chore: bump version to 2.0.6+36

- Fix duration showing incorrect values (ms to seconds conversion)
- Read audio quality from FLAC file instead of trusting API
- Add artist verification for Tidal/Qobuz/Amazon downloads
- Fix FLAC metadata case-insensitive replacement
- Fix settings navigation freeze on Android 14+ (PopScope handling)

.github/workflows/android-build.yml

@@ -1,75 +0,0 @@
-name: Android Build
-
-on:
-  push:
-    tags:
-      - 'v*'
-  workflow_dispatch:
-
-jobs:
-  build-android:
-    runs-on: ubuntu-latest
-    
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Setup Java
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'temurin'
-          java-version: '17'
-
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: '1.21'
-          cache-dependency-path: go_backend/go.sum
-
-      - name: Install Android SDK & NDK
-        uses: android-actions/setup-android@v3
-
-      - name: Install gomobile
-        run: |
-          go install golang.org/x/mobile/cmd/gomobile@latest
-          gomobile init
-
-      - name: Build Go backend for Android
-        working-directory: go_backend
-        run: |
-          mkdir -p ../android/app/libs
-          gomobile bind -target=android -androidapi 24 -o ../android/app/libs/gobackend.aar .
-        env:
-          CGO_ENABLED: 1
-
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          channel: 'stable'
-          cache: true
-
-      - name: Get Flutter dependencies
-        run: flutter pub get
-
-      - name: Generate app icons
-        run: dart run flutter_launcher_icons
-
-      - name: Build APK (Release)
-        run: flutter build apk --release
-
-      - name: Build App Bundle (Release)
-        run: flutter build appbundle --release
-
-      - name: Upload APK artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: SpotiFLAC-Android-APK
-          path: build/app/outputs/flutter-apk/app-release.apk
-          retention-days: 30
-
-      - name: Upload AAB artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: SpotiFLAC-Android-AAB
-          path: build/app/outputs/bundle/release/app-release.aab
-          retention-days: 30

.github/workflows/auto-release.yml

@@ -1,69 +0,0 @@
-name: Auto Release on Version Bump
-
-on:
-  push:
-    branches: [main]
-    paths:
-      - 'pubspec.yaml'
-
-jobs:
-  check-version:
-    runs-on: ubuntu-latest
-    outputs:
-      version_changed: ${{ steps.check.outputs.changed }}
-      new_version: ${{ steps.check.outputs.version }}
-    
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 2
-
-      - name: Check if version changed
-        id: check
-        run: |
-          # Get current version
-          CURRENT_VERSION=$(grep '^version:' pubspec.yaml | sed 's/version: //' | cut -d'+' -f1)
-          
-          # Get previous version
-          git show HEAD~1:pubspec.yaml > /tmp/old_pubspec.yaml 2>/dev/null || echo "version: 0.0.0" > /tmp/old_pubspec.yaml
-          PREVIOUS_VERSION=$(grep '^version:' /tmp/old_pubspec.yaml | sed 's/version: //' | cut -d'+' -f1)
-          
-          echo "Current version: $CURRENT_VERSION"
-          echo "Previous version: $PREVIOUS_VERSION"
-          
-          if [ "$CURRENT_VERSION" != "$PREVIOUS_VERSION" ]; then
-            echo "Version changed!"
-            echo "changed=true" >> $GITHUB_OUTPUT
-            echo "version=v$CURRENT_VERSION" >> $GITHUB_OUTPUT
-          else
-            echo "Version unchanged"
-            echo "changed=false" >> $GITHUB_OUTPUT
-          fi
-
-  create-tag-and-trigger-release:
-    needs: check-version
-    if: needs.check-version.outputs.version_changed == 'true'
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      actions: write
-    
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Create and push tag
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git tag ${{ needs.check-version.outputs.new_version }}
-          git push origin ${{ needs.check-version.outputs.new_version }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Trigger Release workflow
-        run: |
-          gh workflow run release.yml -f version=${{ needs.check-version.outputs.new_version }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/auto-tag.yml

@@ -0,0 +1,77 @@
+name: Auto Tag on Version Change
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'pubspec.yaml'
+
+jobs:
+  check-version:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2  # Need previous commit to compare
+
+      - name: Get current version
+        id: current
+        run: |
+          VERSION=$(grep '^version:' pubspec.yaml | sed 's/version: //' | cut -d'+' -f1)
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Current version: $VERSION"
+
+      - name: Get previous version
+        id: previous
+        run: |
+          git checkout HEAD~1 -- pubspec.yaml 2>/dev/null || echo "version: 0.0.0" > pubspec.yaml.old
+          if [ -f pubspec.yaml.old ]; then
+            VERSION=$(grep '^version:' pubspec.yaml.old | sed 's/version: //' | cut -d'+' -f1)
+          else
+            VERSION=$(grep '^version:' pubspec.yaml | sed 's/version: //' | cut -d'+' -f1)
+          fi
+          git checkout HEAD -- pubspec.yaml
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Previous version: $VERSION"
+
+      - name: Check if version changed
+        id: check
+        run: |
+          CURRENT="${{ steps.current.outputs.version }}"
+          PREVIOUS="${{ steps.previous.outputs.version }}"
+          
+          if [ "$CURRENT" != "$PREVIOUS" ]; then
+            echo "Version changed from $PREVIOUS to $CURRENT"
+            echo "changed=true" >> $GITHUB_OUTPUT
+          else
+            echo "Version unchanged: $CURRENT"
+            echo "changed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Check if tag exists
+        id: tag_exists
+        if: steps.check.outputs.changed == 'true'
+        run: |
+          TAG="v${{ steps.current.outputs.version }}"
+          if git ls-remote --tags origin | grep -q "refs/tags/$TAG"; then
+            echo "Tag $TAG already exists"
+            echo "exists=true" >> $GITHUB_OUTPUT
+          else
+            echo "Tag $TAG does not exist"
+            echo "exists=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create and push tag
+        if: steps.check.outputs.changed == 'true' && steps.tag_exists.outputs.exists == 'false'
+        run: |
+          TAG="v${{ steps.current.outputs.version }}"
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git tag -a "$TAG" -m "Release $TAG"
+          git push origin "$TAG"
+          echo "Created and pushed tag: $TAG"

.github/workflows/ios-build.yml

@@ -1,118 +0,0 @@
-name: iOS Build
-
-on:
-  push:
-    tags:
-      - 'v*'
-  workflow_dispatch:
-
-jobs:
-  build-ios:
-    runs-on: macos-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: '1.21'
-          cache-dependency-path: go_backend/go.sum
-
-      - name: Install gomobile
-        run: |
-          go install golang.org/x/mobile/cmd/gomobile@latest
-          gomobile init
-
-      - name: Build Go backend for iOS (XCFramework)
-        working-directory: go_backend
-        run: |
-          mkdir -p ../ios/Frameworks
-          gomobile bind -target=ios -o ../ios/Frameworks/Gobackend.xcframework .
-        env:
-          CGO_ENABLED: 1
-
-      - name: Verify XCFramework created
-        run: |
-          echo "=== Checking XCFramework ==="
-          ls -la ios/Frameworks/
-          ls -la ios/Frameworks/Gobackend.xcframework/ || (echo "ERROR: XCFramework not found!" && exit 1)
-
-      - name: Add XCFramework to Xcode project
-        run: |
-          # Install xcodeproj gem for modifying Xcode project
-          sudo gem install xcodeproj
-          
-          # Create Ruby script to add framework
-          cat > add_framework.rb << 'EOF'
-          require 'xcodeproj'
-          
-          project_path = 'ios/Runner.xcodeproj'
-          project = Xcodeproj::Project.open(project_path)
-          
-          # Get the main target
-          target = project.targets.find { |t| t.name == 'Runner' }
-          
-          # Get or create Frameworks group
-          frameworks_group = project.main_group.find_subpath('Frameworks', true)
-          frameworks_group ||= project.main_group.new_group('Frameworks')
-          
-          # Add XCFramework reference
-          framework_path = 'Frameworks/Gobackend.xcframework'
-          framework_ref = frameworks_group.new_file(framework_path, :project)
-          
-          # Add to frameworks build phase
-          frameworks_build_phase = target.frameworks_build_phase
-          frameworks_build_phase.add_file_reference(framework_ref)
-          
-          # Add to embed frameworks build phase
-          embed_phase = target.build_phases.find { |p| p.is_a?(Xcodeproj::Project::Object::PBXCopyFilesBuildPhase) && p.name == 'Embed Frameworks' }
-          if embed_phase
-            build_file = embed_phase.add_file_reference(framework_ref)
-            build_file.settings = { 'ATTRIBUTES' => ['CodeSignOnCopy', 'RemoveHeadersOnCopy'] }
-          end
-          
-          project.save
-          puts "Successfully added Gobackend.xcframework to Xcode project"
-          EOF
-          
-          ruby add_framework.rb
-
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          channel: 'stable'
-          cache: true
-
-      - name: Get Flutter dependencies
-        run: flutter pub get
-
-      - name: Generate app icons
-        run: dart run flutter_launcher_icons
-
-      - name: Build iOS (no codesign)
-        run: flutter build ios --release --no-codesign
-
-      - name: Create IPA (unsigned)
-        run: |
-          mkdir -p build/ios/ipa
-          cd build/ios/iphoneos
-          mkdir Payload
-          cp -r Runner.app Payload/
-          zip -r ../ipa/SpotiFLAC-unsigned.ipa Payload
-          rm -rf Payload
-
-      - name: Upload IPA artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: SpotiFLAC-iOS-unsigned
-          path: build/ios/ipa/SpotiFLAC-unsigned.ipa
-          retention-days: 30
-
-      - name: Upload XCFramework artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: Gobackend-XCFramework
-          path: ios/Frameworks/Gobackend.xcframework
-          retention-days: 30

.github/workflows/release.yml

@@ -17,14 +17,26 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       version: ${{ steps.version.outputs.version }}
+      is_prerelease: ${{ steps.version.outputs.is_prerelease }}
     steps:
       - name: Get version
         id: version
         run: |
           if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
-            echo "version=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
+            VERSION="${{ github.event.inputs.version }}"
           else
-            echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+            VERSION="${GITHUB_REF#refs/tags/}"
+          fi
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          
+          # Check if version contains -preview, -beta, -rc, or -alpha (NOT -hotfix)
+          VERSION_LOWER=$(echo "$VERSION" | tr '[:upper:]' '[:lower:]')
+          if [[ "$VERSION_LOWER" == *"-preview"* ]] || [[ "$VERSION_LOWER" == *"-beta"* ]] || [[ "$VERSION_LOWER" == *"-rc"* ]] || [[ "$VERSION_LOWER" == *"-alpha"* ]]; then
+            echo "is_prerelease=true" >> $GITHUB_OUTPUT
+            echo "Detected pre-release version: $VERSION"
+          else
+            echo "is_prerelease=false" >> $GITHUB_OUTPUT
+            echo "Detected stable version: $VERSION"
           fi
 
   # Android and iOS build in PARALLEL
@@ -33,6 +45,20 @@ jobs:
     needs: get-version
     
     steps:
+      - name: Free disk space
+        run: |
+          # Remove large unused tools (~15GB total)
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /opt/hostedtoolcache/CodeQL
+          sudo rm -rf /usr/local/share/boost
+          sudo rm -rf /usr/share/swift
+          sudo rm -rf /usr/local/.ghcup
+          # Clean docker images
+          sudo docker image prune --all --force
+          # Show available space
+          df -h
+
       - name: Checkout repository
         uses: actions/checkout@v4
 
@@ -86,16 +112,29 @@ jobs:
       - name: Generate app icons
         run: dart run flutter_launcher_icons
 
-      - name: Build APK (Release)
+      - name: Build APK (Release - unsigned)
         run: flutter build apk --release --split-per-abi
 
+      - name: Sign APKs
+        uses: r0adkll/sign-android-release@v1
+        id: sign_arm64
+        with:
+          releaseDirectory: build/app/outputs/flutter-apk
+          signingKeyBase64: ${{ secrets.KEYSTORE_BASE64 }}
+          alias: ${{ secrets.KEY_ALIAS }}
+          keyStorePassword: ${{ secrets.KEYSTORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+        env:
+          BUILD_TOOLS_VERSION: "34.0.0"
+
       - name: Rename APKs
         run: |
           VERSION=${{ needs.get-version.outputs.version }}
           cd build/app/outputs/flutter-apk
-          mv app-arm64-v8a-release.apk SpotiFLAC-${VERSION}-arm64.apk || true
+          # Signed files have -signed suffix
-          mv app-armeabi-v7a-release.apk SpotiFLAC-${VERSION}-arm32.apk || true
+          mv app-arm64-v8a-release-signed.apk SpotiFLAC-${VERSION}-arm64.apk || mv app-arm64-v8a-release.apk SpotiFLAC-${VERSION}-arm64.apk || true
-          mv app-release.apk SpotiFLAC-${VERSION}-universal.apk || true
+          mv app-armeabi-v7a-release-signed.apk SpotiFLAC-${VERSION}-arm32.apk || mv app-armeabi-v7a-release.apk SpotiFLAC-${VERSION}-arm32.apk || true
+          mv app-release-signed.apk SpotiFLAC-${VERSION}-universal.apk || mv app-release.apk SpotiFLAC-${VERSION}-universal.apk || true
           ls -la
 
       - name: Upload APK artifact
@@ -222,6 +261,34 @@ jobs:
       contents: write
     
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Extract changelog for version
+        id: changelog
+        run: |
+          VERSION=${{ needs.get-version.outputs.version }}
+          VERSION_NUM=${VERSION#v}  # Remove 'v' prefix
+          
+          echo "Looking for version: $VERSION_NUM"
+          
+          # Extract changelog section for this version using sed
+          # Find the line with version, then print until next version header or end
+          CHANGELOG=$(sed -n "/^## \[$VERSION_NUM\]/,/^## \[/{ /^## \[$VERSION_NUM\]/d; /^## \[/d; p; }" CHANGELOG.md)
+          
+          # If no changelog found, use default message
+          if [ -z "$CHANGELOG" ]; then
+            echo "No changelog found for version $VERSION_NUM"
+            CHANGELOG="See CHANGELOG.md for details."
+          else
+            echo "Found changelog content"
+          fi
+          
+          # Save to file for multiline support
+          echo "$CHANGELOG" > /tmp/changelog.txt
+          echo "Extracted changelog:"
+          cat /tmp/changelog.txt
+
       - name: Download Android APK
         uses: actions/download-artifact@v4
         with:
@@ -234,26 +301,47 @@ jobs:
           name: ios-ipa
           path: ./release
 
+      - name: Prepare release body
+        run: |
+          VERSION=${{ needs.get-version.outputs.version }}
+          cat > /tmp/release_body.txt << 'HEADER'
+          ## SpotiFLAC $VERSION
+          
+          Download Spotify tracks in FLAC quality from Tidal, Qobuz & Amazon Music.
+          
+          ### What's New
+          HEADER
+          
+          # Replace $VERSION in header
+          sed -i "s/\$VERSION/$VERSION/g" /tmp/release_body.txt
+          
+          cat /tmp/changelog.txt >> /tmp/release_body.txt
+          
+          cat >> /tmp/release_body.txt << FOOTER
+          
+          ---
+          
+          ### Downloads
+          - **Android (arm64)**: \`SpotiFLAC-${VERSION}-arm64.apk\` (recommended)
+          - **Android (arm32)**: \`SpotiFLAC-${VERSION}-arm32.apk\` (older devices)
+          - **iOS**: \`SpotiFLAC-${VERSION}-ios-unsigned.ipa\` (sideload required)
+          
+          ### Installation
+          **Android**: Enable "Install from unknown sources" and install the APK
+          **iOS**: Use AltStore, Sideloadly, or similar tools to sideload the IPA
+          FOOTER
+          
+          echo "Release body:"
+          cat /tmp/release_body.txt
+
       - name: Create Release
         uses: softprops/action-gh-release@v1
         with:
           tag_name: ${{ needs.get-version.outputs.version }}
           name: SpotiFLAC ${{ needs.get-version.outputs.version }}
-          body: |
+          body_path: /tmp/release_body.txt
-            ## SpotiFLAC ${{ needs.get-version.outputs.version }}
-            
-            Download Spotify tracks in FLAC quality from Tidal, Qobuz & Amazon Music.
-            
-            ### Downloads
-            - **Android (arm64)**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-arm64.apk` (recommended)
-            - **Android (arm32)**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-arm32.apk` (older devices)
-            - **iOS**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-ios-unsigned.ipa` (sideload required)
-            
-            ### Installation
-            **Android**: Enable "Install from unknown sources" and install the APK
-            **iOS**: Use AltStore, Sideloadly, or similar tools to sideload the IPA
           files: ./release/*
           draft: false
-          prerelease: false
+          prerelease: ${{ needs.get-version.outputs.is_prerelease == 'true' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -7,8 +7,48 @@ Thumbs.db
 .vscode/
 *.iml
 
-# Kiro specs (optional - remove if you want to track specs)
+# Kiro specs (development only)
-# .kiro/
+.kiro/
 
-# Reference folder (if you don't want to include it)
+# Reference folder (development only)
-# referensi/
+referensi/
+
+# Development notes
+COMPARISON_PC_vs_ANDROID.md
+
+# Old spotiflac_android folder (moved to root)
+spotiflac_android/
+
+# Flutter/Dart
+.dart_tool/
+.packages
+build/
+*.lock
+!pubspec.lock
+.flutter-plugins
+.flutter-plugins-dependencies
+.metadata
+*.apk
+
+# Go backend build artifacts
+go_backend/*.aar
+go_backend/*.jar
+go_backend/*.exe
+go_backend/*.xcframework/
+
+# Android
+android/.gradle/
+android/app/libs/
+android/local.properties
+android/*.iml
+android/key.properties
+android/*.jks
+android/*.keystore
+android/app/*.jks
+
+# iOS
+ios/Frameworks/
+ios/Pods/
+ios/.symlinks/
+ios/Flutter/Flutter.framework/
+ios/Flutter/Flutter.podspec

CHANGELOG.md

@@ -1,5 +1,450 @@
 # Changelog
 
+## [2.0.6] - 2026-01-05
+
+### Fixed
+- **Duration Display Bug**: Fixed duration showing incorrect values like "4135:53" instead of "4:14"
+  - `duration_ms` (milliseconds) was being stored directly without conversion to seconds
+  - Now properly converts milliseconds to seconds before display
+- **Audio Quality from File**: Quality info (bit depth/sample rate) now read from actual FLAC file instead of trusting API
+  - More accurate quality display for all services (Tidal, Qobuz, Amazon)
+  - Also reads quality from existing files when skipping duplicates
+- **Artist Verification for Downloads**: Added artist name verification to prevent downloading wrong tracks
+  - Verifies artist matches between Spotify metadata and streaming service
+  - Handles different scripts (Japanese/Chinese vs Latin) as same artist with different transliteration
+  - Applied to Tidal, Qobuz, and Amazon downloads
+- **Metadata Case-Sensitivity**: Fixed FLAC metadata not being properly overwritten when downloaded file has lowercase tags
+  - Now uses case-insensitive comparison when replacing existing Vorbis comments
+  - Fixes issue where Amazon downloads could have duplicate metadata tags
+- **Settings Navigation Freeze**: Fixed app freezing when navigating back from settings sub-menus on some devices
+  - Added proper PopScope handling for predictive back gesture on Android 14+
+
+## [2.0.5] - 2026-01-05
+
+### Added
+- **Large Playlist Support**: Playlists with up to 1000 tracks are now fully fetched (was limited to 100)
+
+### Fixed
+- **Wrong Track Download**: Fixed issue where tracks with same ISRC but different versions (e.g., short/instrumental vs full version) would download the wrong track. Now verifies duration matches before downloading (30 second tolerance).
+
+## [2.0.4] - 2026-01-04
+
+### Fixed
+- **Android 11 Storage Permission**: Fixed "Permission denied" error on Android 11 (API 30) devices
+  - Added `MANAGE_EXTERNAL_STORAGE` permission for Android 11-12
+  - Shows explanation dialog before opening system settings
+
+## [2.0.3] - 2026-01-03
+
+### Added
+- **Custom Spotify API Credentials**: Set your own Spotify Client ID and Secret in Settings > Options to avoid rate limiting
+  - Toggle to enable/disable custom credentials without deleting them
+  - Material Expressive 3 bottom sheet UI for entering credentials
+- **Keyboard Dismiss on Scroll**: Keyboard now automatically dismisses when scrolling search results
+- **Rate Limit Error UI**: Shows friendly error card when API rate limit (429) is hit on Home, Artist, and Album screens
+
+### Changed
+- **Search on Enter Only**: Removed auto-search debounce, now only searches when pressing Enter key (saves API calls)
+
+### Fixed
+- **Download Cancel**: Fixed cancelled downloads still completing in background and appearing in history. Cancelled files are now properly deleted.
+- **Search Keyboard Dismiss**: Fixed keyboard randomly dismissing and navigating back when starting to search
+- **Back Button During Search**: Back button now properly dismisses keyboard first before clearing search
+- **Search Error Navigation**: Fixed pressing Enter during search (when loading or error) navigating back to home instead of staying on search screen
+- **Duplicate Search on Enter**: Enter key no longer triggers duplicate search if results already loaded
+
+## [2.0.2] - 2026-01-03
+
+### Added
+- **Actual Quality Display**: Shows real audio quality (bit depth/sample rate) after download
+  - Quality badge on download history items (e.g., "24-bit", "16-bit")
+  - Full quality info in Track Metadata screen (e.g., "24-bit/96kHz")
+  - Tertiary color highlight for Hi-Res (24-bit) downloads
+- **Quality Disclaimer**: Added note in quality picker explaining that actual quality depends on track availability
+- **Instant Lyrics Loading**: Lyrics now load from embedded file first (instant) before falling back to internet fetch
+
+### Fixed
+- **Fallback Service Display**: Fixed download history showing wrong service when fallback occurs (e.g., showing "TIDAL" when actually downloaded from "QOBUZ")
+- **Open in Spotify**: Fixed "Open in Spotify" button not opening Spotify app correctly
+
+### Removed
+- **Romaji Conversion**: Removed Japanese lyrics to romaji conversion feature (Kanji not supported, results were incomplete)
+
+### Technical
+- Go backend now returns `actual_bit_depth` and `actual_sample_rate` in download response
+- Go backend now returns `service` field indicating actual service used (important for fallback)
+- Tidal API v2 response provides exact quality info
+- Qobuz uses track metadata for quality info
+- Amazon now reads quality from downloaded FLAC file (previously returned unknown)
+
+## [2.0.1] - 2026-01-03
+
+### Added
+- **Quality Picker Track Info**: Shows track name, artist, and cover in quality picker
+  - Tap to expand long track titles
+  - Expand icon only shows when title is truncated
+  - Ripple effect follows rounded corners including drag handle
+
+### Changed
+- **Unified Progress Tracking System**: Deprecated legacy single-download progress
+  - All downloads now use item-based progress tracking
+  - Fixes duplicate notification bug when finalizing
+  - Cleaner codebase with single progress system
+
+### Fixed
+- **Duplicate Notification Bug**: Fixed issue where "Finalizing" and "Downloading" notifications appeared simultaneously
+- **Update Notification Stuck**: Fixed notification staying at 100% after download completes
+- **Quality Picker Consistency**: Unified quality picker UI across all screens (Home, Album, Playlist)
+  - Container with `primaryContainer` background for each option
+  - Distinct icons: music_note (Lossless), high_quality (Hi-Res), four_k (Max)
+
+## [2.0.0] - 2026-01-03
+
+### Added
+- **Artist Search Results**: Search now shows artists alongside tracks
+  - Horizontal scrollable artist cards with circular avatars
+  - Tap artist to view their discography
+- **Multi-Layer Caching System**: Aggressive caching to minimize API calls
+  - Go backend cache: Artist (10 min), Album (10 min), Search (5 min)
+  - Flutter memory cache: Instant navigation for previously viewed artists/albums
+  - Duplicate search prevention: Same query won't trigger new API call
+- **Real-time Download Status**: Track items show live download progress
+  - Queued: Hourglass icon
+  - Downloading: Circular progress with percentage
+  - Completed: Check icon
+  - Works in Home search, Album, and Playlist screens
+- **Downloaded Track Indicator**: Tracks already in history show check mark
+  - Lazy file verification: Only checks file existence when tapped
+  - Auto-removes from history if file was deleted, allowing re-download
+  - Prevents accidental duplicate downloads
+- **Pre-release Support**: GitHub Actions auto-detects preview/beta/rc/alpha tags
+  - Stable users won't receive update notifications for preview versions
+
+### Changed
+- **Instant Navigation UX**: Navigate to Artist/Album screens immediately
+  - Header (name, cover) shows instantly from available data
+  - Content (albums/tracks) loads in background inside the screen
+  - Second visit to same artist/album is instant from Flutter cache
+- **Search Results UI Redesign**: 
+  - Removed "Download All" button from search results
+  - Added "Songs" section header (matches "Artists" header style)
+  - Track list now in grouped card with rounded corners (like Settings)
+  - Track items with dividers and InkWell ripple effect
+- **Larger UI Elements**: Improved touch targets and visual hierarchy
+  - Recent downloads: Album art 56→100px, section height 80→130px
+  - Artist cards: Avatar 72→88px, container 90→100px
+  - Track items: Album art 48→56px
+- **Optimized Search**: Pressing Enter with same query no longer triggers duplicate search
+- **Smoother Progress Animation**: Progress jumps to 100% after download completes
+  - Embedding (cover, metadata, lyrics) happens in background without blocking UI
+- **Finalizing Status**: Shows "Finalizing" indicator while embedding metadata
+  - Distinct icon (edit_note) with tertiary color
+  - User knows download is complete, just processing metadata
+- **Consistent Download Button Sizes**: All download/status buttons now 44x44px
+- **Better Dynamic Color Contrast**: Improved visibility for cards and chips with dynamic color
+  - Settings cards use overlay colors for better contrast
+  - Theme/view mode chips have visible borders in light mode
+- **Navigation Bar Styling**: Distinct background color from content area
+- **Ask Before Download Default**: Now enabled by default for better UX
+
+### Fixed
+- **Artist Profile Images**: Fixed artist images not showing in search results (field name mismatch)
+- **Album Card Overflow**: Fixed 5px overflow in artist discography album cards
+- **Optimized Rebuilds**: Each track item only rebuilds when its own status changes
+  - Uses Riverpod `select()` for granular state watching
+  - Prevents entire list rebuild on progress updates
+- **Update Notification Stuck**: Fixed notification staying at 100% after download complete
+
+## [1.6.3] - 2026-01-03
+
+### Added
+- **Predictive Back Navigation**: Support for Android 14+ predictive back gesture with smooth animations
+- **Separate Detail Screens**: Album, Artist, and Playlist now open as dedicated screens with Material Expressive 3 design
+  - Collapsing header with cover art and gradient overlay
+  - Card-based info section with rounded corners (20px radius)
+  - Tonal download buttons with circular shape
+  - Quality picker bottom sheet with drag handle
+- **Double-Tap to Exit**: Press back twice to exit app when at home screen (replaces exit dialog)
+
+### Changed
+- **Navigation Architecture**: Refactored from state-based to screen-based navigation
+  - Album/Artist/Playlist URLs navigate to dedicated screens via `Navigator.push()`
+  - Enables native predictive back gesture animations
+  - Search results stay on Home tab for quick downloads
+- **Simplified State Management**: Removed `previousState` chain from TrackProvider since Navigator handles back navigation
+
+## [1.6.2] - 2026-01-02
+
+### Added
+- **HTTPS-Only Downloads**: APK downloads and update checks now enforce HTTPS-only connections for security
+
+### Changed
+- **Home Tab Rename**: Renamed "Search" tab to "Home" with home icon
+- **Branding**: Changed idle screen title from "Search Music" to "SpotiFLAC"
+- **About Page Redesign**: New Material Expressive 3 grouped layout with app header, contributors section with GitHub avatars, and organized links
+
+### Fixed
+- **Play Button Flash**: Fixed play button briefly showing red error icon on app start (now uses optimistic rendering)
+
+### Performance
+- **Optimized State Management**: Use `.select()` for Riverpod providers to prevent unnecessary widget rebuilds
+- **List Keys**: Added keys to all list builders for efficient list updates and reordering
+- **Request Cancellation**: Outdated API requests are ignored when new search/fetch is triggered
+- **Debounced URL Fetches**: All network requests now debounced to prevent rapid duplicate calls
+- **Bounded File Cache**: File existence cache now limited to 500 entries to prevent memory leak
+- **Timer Cleanup**: Progress polling timer properly disposed when provider is destroyed
+- **Stream Error Handling**: Share intent stream now has proper error handling
+
+## [1.6.1] - 2026-01-02
+
+### Added
+- **Background Download Service**: Downloads now continue running when app is in background
+  - Foreground service with wake lock prevents Android from killing downloads
+  - Persistent notification shows download progress
+  - No more "connection abort" errors when switching apps
+
+### Fixed
+- **Share Intent App Restart**: Fixed download queue being lost when sharing from Spotify while downloads are in progress
+  - Download queue is now persisted to storage and automatically restored on app restart
+  - Interrupted downloads (marked as "downloading") are reset to "queued" and auto-resumed
+  - Changed launch mode to `singleTask` to reuse existing activity instead of restarting
+  - Added `onNewIntent` handler to properly receive new share intents
+- **Back Button During Loading**: Back button no longer clears state while loading shared URL
+
+### Changed
+- **Kotlin**: Upgraded from 2.2.20 to 2.3.0 for better plugin compatibility
+
+## [1.6.0] - 2026-01-02
+
+### Added
+- **Manual Quality Selection**: New option to choose audio quality before each download
+  - Toggle "Ask Before Download" in Download Settings
+  - When enabled, shows quality picker (Lossless, Hi-Res, Hi-Res Max) before downloading
+  - Works for both single track and batch downloads
+- **Live Search**: Search results appear as you type with 400ms debounce
+  - Animated search bar moves from center to top when typing
+  - Keyboard stays open during transition
+  - Back button navigates through search history (album → artist → idle)
+  - Clear button to reset search
+  - URLs still require manual submit
+- **Search Tab Header**: Added collapsing app bar to centered search view for consistent UI across all tabs
+- **Share Audio File**: Share downloaded tracks to other apps from Track Metadata screen
+
+### Fixed
+- **Update Checker**: Fixed version comparison for versions with suffix (e.g., `1.5.0-hotfix6`)
+  - Users on hotfix versions now properly receive update notifications
+  - Handles `-hotfix`, `-beta`, `-rc` suffixes correctly
+- **Settings Ripple Effect**: Fixed splash/ripple effect to properly clip within rounded card corners
+
+### Changed
+- **Settings UI Redesign**: New Android-style grouped settings with connected cards
+  - Items in same group are connected with rounded card container
+  - Section headers outside cards for clear visual hierarchy
+  - Better contrast with white overlay for dark mode dynamic colors
+- **Larger Tab Titles**: Increased app bar title size (28px) and height (130px) for better visibility
+- **Consistent Header Position**: Fixed Search tab header alignment to match History and Settings tabs
+
+### Improved
+- **Code Quality**: Replaced all `print()` statements with structured logging using `logger` package
+- **Dependencies Updated**:
+  - `share_plus`: 10.1.4 → 12.0.1
+  - `flutter_local_notifications`: 18.0.1 → 19.0.0
+  - `build_runner`: 2.4.15 → 2.10.4
+
+## [1.5.5] - 2026-01-02
+
+### Added
+- **Share to App**: Share Spotify links directly from Spotify app or browser to SpotiFLAC
+  - Supports track, album, playlist, and artist URLs
+  - Auto-fetches metadata when link is shared
+  - Works with both `open.spotify.com` URLs and `spotify:` URIs
+- **Lyrics Viewer**: View lyrics for downloaded tracks in Track Metadata screen
+  - Fetches lyrics from LRCLIB on-demand
+  - Clean display without timestamps
+  - Copy lyrics to clipboard
+- **Artist URL Support**: Paste artist URL to browse their discography
+  - Shows all albums, singles, and compilations
+  - Horizontal scrollable album cards grouped by type
+  - Tap any album to view and download its tracks
+- **Folder Organization**: Organize downloads into folders by artist or album
+  - Options: None, By Artist, By Album, By Artist & Album
+  - Configurable in Settings > Download
+- **Japanese Lyrics to Romaji**: Auto-convert Hiragana/Katakana lyrics to romaji
+  - Useful for non-Japanese speakers who want to sing along
+  - Toggle in Settings > Options > Lyrics
+  - Kanji characters are preserved (requires dictionary lookup)
+- **History View Mode**: Choose between grid or list view for download history
+  - Grid view shows album art in a 3-column layout (default)
+  - List view shows detailed track info with date
+  - Configurable in Settings > Appearance > Layout
+- **Exit Confirmation**: Dialog prompt when pressing back to exit app (only at root)
+
+### Changed
+- **Downloads Tab Renamed to History**: Better reflects the tab's purpose
+  - Shows download queue at top when active
+  - Completed downloads auto-move to history section
+  - Cleaner separation between active downloads and history
+- **Smarter Back Navigation**: Back button now navigates properly
+  - Goes back through search history (album → artist → empty)
+  - Returns to Search tab from other tabs
+  - Only shows exit dialog when truly at root
+
+### Fixed
+- **Download Progress**: Fixed progress stuck at 0% when using item-based progress tracking (affected sequential downloads after multi-download feature was added)
+- **Artist View State**: Fixed UI state not clearing properly when switching between artist and album views
+- **Share Intent Timing**: Fixed shared URLs not being processed when app was cold-started from share intent
+
+### Improved
+- **Cleaner UI for Returning Users**: Helper text "Supports: Track, Album, Playlist URLs" now only shows for new users and hides after first search
+- **Cleaner Home Tab**: Removed redundant "Recent Downloads" section, renamed to "Search" tab
+- **Centered Search Bar**: Search bar now appears centered on screen when empty, moves to top when results are shown - easier to reach on large phones
+- **Back Navigation**: Android back button now works as expected - returns to previous view (album → artist → empty search)
+
+## [1.5.0-hotfix6] - 2026-01-02
+
+### Fixed
+- **App Signing**: Use r0adkll/sign-android-release GitHub Action for reliable signing
+
+## [1.5.0-hotfix5] - 2026-01-02
+
+### Fixed
+- **App Signing**: Use key.properties as per Flutter official documentation
+
+## [1.5.0-hotfix4] - 2026-01-02
+
+### Fixed
+- **App Signing**: Create keystore.properties in workflow for Gradle
+
+## [1.5.0-hotfix] - 2026-01-02
+
+### Important Notice
+We apologize for the inconvenience. Previous releases were signed with different keys, causing "package conflicts" errors when upgrading. Starting from this version, all releases will use a consistent signing key.
+
+**If you're upgrading from v1.5.0 or earlier, please uninstall the app first before installing this version.** This is a one-time requirement. Future updates will work seamlessly without uninstalling.
+
+### Added
+- **In-App Update**: Download and install updates directly from the app
+  - Progress bar shows download status
+  - Automatic device architecture detection (arm64/arm32)
+  - Downloads correct APK for your device
+- **Consistent App Signing**: All future releases will use the same signing key
+
+### Fixed
+- **Update Checker**: Now downloads APK directly instead of opening browser
+
+## [1.5.0] - 2026-01-02
+
+### Added
+- **Download Progress Notification**: Shows notification with download progress percentage while downloading
+  - Progress bar in notification during download
+  - Completion notification when track finishes
+  - Summary notification when all downloads complete
+- **Notification Permission in Setup**: Android 13+ users will be prompted for notification permission during initial setup
+  - New step in setup wizard for notification permission
+  - Option to skip if user doesn't want notifications
+- **Per-Item Queue Controls**: Each track in download queue now has individual controls
+  - Cancel button for queued items
+  - Stop button for currently downloading items
+  - Retry and Remove buttons for failed/skipped items
+  - Visual progress bar with percentage for each downloading track
+- **Pull-to-Refresh on Home**: Swipe down to clear URL input and fetched tracks
+  - No need to exit app to clear current search/fetch
+- **Multi-Progress Tracking for Concurrent Downloads**: Each concurrent download now shows individual progress percentage
+  - Previously concurrent downloads jumped from 0% to 100%
+  - Now each track shows real-time progress when downloading in parallel
+- **In-App Update**: Download and install updates directly from the app
+  - Progress bar shows download status
+  - Automatic device architecture detection (arm64/arm32)
+  - Downloads correct APK for your device
+
+### Changed
+- **Recent Downloads**: Now shows up to 10 items (was 5) for better scrolling
+- **Queue UI Redesign**: Card-based layout with clearer status indicators
+  - Removed global pause/resume in favor of per-item controls
+  - Better visual hierarchy with cover art, track info, and action buttons
+- **Settings UI**: Redesigned with category-based navigation (One UI style)
+  - Main settings tab with 4 categories: Appearance, Download, Options, About
+  - Each category opens a detail page
+  - Large title at top with menu items below
+  - One-handed friendly layout
+- **Collapsing Toolbar**: Implemented One UI style collapsing header for all tabs
+  - Title animates from 28px (expanded) to 20px (collapsed)
+  - Back button only on settings detail pages
+  - Consistent across Home, Downloads, and Settings tabs
+- **Home Search Bar Redesign**: More prominent and user-friendly input
+  - Larger card-style search bar with border outline
+  - Tap to open bottom sheet with full input experience
+  - Paste and Search buttons clearly visible
+  - Helper text showing supported URL types
+- **Empty State Improved**: Better onboarding for new users
+  - "Ready to Download" title with icon
+  - Clear instructions on how to use the app
+  - "Add Music" button for quick access
+
+### Technical
+- Added `flutter_local_notifications` package for notifications
+- Added notification permission request in setup screen for Android 13+
+- Enabled core library desugaring for all Android subprojects
+- Added multi-progress tracking in Go backend (`ItemProgress`, `ItemProgressWriter`)
+- Added `GetAllDownloadProgress`, `InitItemProgress`, `FinishItemProgress`, `ClearItemProgress` exports
+- Updated platform channel handlers for both Android (Kotlin) and iOS (Swift)
+
+### Performance
+- Optimized SliverAppBar: Removed LayoutBuilder that was called every frame during scroll
+- Optimized image caching: Added `memCacheWidth/Height` to CachedNetworkImage for memory efficiency
+- Optimized state management: Use `select()` to only rebuild when specific state changes
+- Smoother animations: Changed to `BouncingScrollPhysics` and `Curves.easeOutCubic`
+
+## [1.2.0] - 2026-01-02
+
+### Added
+- **Track Metadata Screen**: New detailed metadata view when tapping on downloaded tracks
+  - Material Expressive 3 design with cover art header and gradient
+  - Hero animation from list to detail view
+  - Displays: track name, artist, album artist, album, track number, disc number, duration, release date, ISRC, Spotify ID, quality, service, download date
+  - File info: format (FLAC/M4A), file size, quality badge, service badge with colors
+  - Tap to copy ISRC and Spotify ID
+  - "Open in Spotify" button to open track in Spotify app/browser
+  - File path display with copy functionality
+  - Play and Delete action buttons
+- **Hi-Res Lossless MAX**: New highest quality option for maximum audio fidelity
+
+### Fixed
+- **Hi-Res Quality Bug**: Fixed issue where Hi-Res downloads were stuck at Lossless quality
+  - Users on previous versions are recommended to upgrade to get proper Hi-Res downloads
+- **Settings Navigation Bug**: Fixed issue where changing settings (like audio quality) would navigate back to Home tab
+- **Tidal Badge Color**: Fixed unreadable Tidal service badge (was too bright cyan, now darker blue)
+
+### Changed
+- **Recent Downloads**: Tapping on a track now opens metadata screen instead of playing directly
+  - Play button still available for quick playback
+- **Download History Model**: Extended with additional metadata fields (albumArtist, isrc, spotifyId, trackNumber, discNumber, duration, releaseDate, quality)
+- Removed unused `history_screen.dart` and `history_tab.dart` files
+
+## [1.1.2] - 2026-01-01
+
+### Added
+- **Update Checker**: Automatic check for new versions from GitHub releases
+  - Shows changelog in update dialog
+  - Option to disable update notifications
+- **Release Changelog**: GitHub releases now include full changelog
+
+### Changed
+- Updated version to 1.1.2
+
+## [1.1.1] - 2026-01-01
+
+### Fixed
+- **About Dialog**: Custom About dialog with cleaner layout
+- **Setup Screen**: Fixed step indicator line alignment
+- **Warning Text**: Fixed parallel downloads warning to use Material theme colors
+- **Copyright Year**: Updated to 2026
+
+### Changed
+- Removed Theme Preview from Settings
+- Added MIT License
+
+
 ## [1.1.0] - 2026-01-01
 
 ### Added
@@ -11,7 +456,6 @@
 - **History Persistence**: Download history now persists across app restarts using SharedPreferences
 - **Connection Pooling**: Shared HTTP transport to prevent TCP connection exhaustion during large batch downloads
 - **Connection Cleanup**: Automatic cleanup of idle connections every 50 downloads and at queue end
-- **GitHub & Credits Section**: Added links to SpotiFLAC Mobile and original SpotiFLAC desktop in Settings
 
 ### Fixed
 - **Download Progress Bug**: Fixed 0% → 100% jump by adding proper progress tracking for BTS format downloads

README.md

@@ -16,10 +16,10 @@ Get Spotify tracks in true FLAC from Tidal, Qobuz & Amazon Music — no account
 ## Screenshots
 
 <p align="center">
-  <img src="docs/Screenshot_20260101-210622_SpotiFLAC.png" width="200" />
+  <img src="assets/images/1.jpg?v=2" width="200" />
-  <img src="docs/Screenshot_20260101-210626_SpotiFLAC.png" width="200" />
+  <img src="assets/images/2.jpg?v=2" width="200" />
-  <img src="docs/Screenshot_20260101-210633_SpotiFLAC.png" width="200" />
+  <img src="assets/images/3.jpg?v=2" width="200" />
-  <img src="docs/Screenshot_20260101-210653_SpotiFLAC.png" width="200" />
+  <img src="assets/images/4.jpg?v=2" width="200" />
 </p>
 
 ## Other project
@@ -29,6 +29,8 @@ Get Spotify tracks in true FLAC from Tidal, Qobuz & Amazon Music for Windows, ma
 
 ## Disclaimer
 
+> **iOS Support**: This app is primarily tested on Android. iOS support is experimental and may have bugs — the developer is too poor to afford an iPhone for proper testing. If you encounter issues on iOS, please report them!
+
 This project is for **educational and private use only**. The developer does not condone or encourage copyright infringement.
 
 **SpotiFLAC** is a third-party tool and is not affiliated with, endorsed by, or connected to Spotify, Tidal, Qobuz, Amazon Music, or any other streaming service.

android/app/build.gradle.kts

@@ -5,6 +5,13 @@ plugins {
     id("dev.flutter.flutter-gradle-plugin")
 }
 
+// Load keystore properties for local builds
+val keystorePropertiesFile = rootProject.file("key.properties")
+val keystoreProperties = java.util.Properties()
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(java.io.FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.zarz.spotiflac"
     compileSdk = flutter.compileSdkVersion
@@ -22,6 +29,17 @@ android {
         }
     }
 
+    signingConfigs {
+        if (keystorePropertiesFile.exists()) {
+            create("release") {
+                keyAlias = keystoreProperties["keyAlias"] as String
+                keyPassword = keystoreProperties["keyPassword"] as String
+                storeFile = file(keystoreProperties["storeFile"] as String)
+                storePassword = keystoreProperties["storePassword"] as String
+            }
+        }
+    }
+
     defaultConfig {
         applicationId = "com.zarz.spotiflac"
         minSdk = flutter.minSdkVersion
@@ -30,8 +48,6 @@ android {
         versionName = flutter.versionName
         multiDexEnabled = true
         
-        // Only include arm64-v8a for smaller APK (most modern devices)
-        // Remove this line if you need to support older 32-bit devices
         ndk {
             abiFilters += listOf("arm64-v8a", "armeabi-v7a")
         }
@@ -39,8 +55,13 @@ android {
 
     buildTypes {
         release {
-            signingConfig = signingConfigs.getByName("debug")
+            // For local builds: use release signing if key.properties exists
-            // Enable code shrinking and resource shrinking
+            // For CI builds: APK is signed by GitHub Action after build
+            signingConfig = if (keystorePropertiesFile.exists()) {
+                signingConfigs.getByName("release")
+            } else {
+                signingConfigs.getByName("debug")
+            }
             isMinifyEnabled = true
             isShrinkResources = true
             proguardFiles(
@@ -72,7 +93,7 @@ repositories {
 }
 
 dependencies {
-    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
     implementation(files("libs/gobackend.aar"))
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
     implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")

android/app/src/main/AndroidManifest.xml

@@ -4,26 +4,30 @@
     <!-- Permissions -->
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" 
-        android:maxSdkVersion="28" />
+        android:maxSdkVersion="29" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" 
         android:maxSdkVersion="32" />
+    <!-- For Android 11+ (API 30-32) - full storage access -->
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
 
     <application
         android:label="SpotiFLAC"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
         android:requestLegacyExternalStorage="true"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true"
+        android:enableOnBackInvokedCallback="true">
 
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:launchMode="singleTop"
+            android:launchMode="singleTask"
-            android:taskAffinity=""
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
@@ -76,6 +80,17 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+
+        <!-- FileProvider for APK installation -->
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
     </application>
 
     <queries>

android/app/src/main/kotlin/com/zarz/spotiflac/DownloadService.kt

@@ -5,83 +5,211 @@ import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.app.PendingIntent
 import android.app.Service
+import android.content.Context
 import android.content.Intent
 import android.os.Build
 import android.os.IBinder
+import android.os.PowerManager
 import androidx.core.app.NotificationCompat
 
+/**
+ * Foreground service to keep downloads running when app is in background.
+ * This prevents Android from killing the download process or throttling network.
+ */
 class DownloadService : Service() {
+    
     companion object {
-        const val CHANNEL_ID = "spotiflac_download_channel"
+        private const val CHANNEL_ID = "download_channel"
-        const val NOTIFICATION_ID = 1
+        private const val NOTIFICATION_ID = 1001
-        const val ACTION_START = "com.zarz.spotiflac.START_DOWNLOAD"
+        private const val WAKELOCK_TAG = "SpotiFLAC:DownloadWakeLock"
-        const val ACTION_STOP = "com.zarz.spotiflac.STOP_DOWNLOAD"
+        
+        const val ACTION_START = "com.zarz.spotiflac.action.START_DOWNLOAD"
+        const val ACTION_STOP = "com.zarz.spotiflac.action.STOP_DOWNLOAD"
+        const val ACTION_UPDATE_PROGRESS = "com.zarz.spotiflac.action.UPDATE_PROGRESS"
+        
+        const val EXTRA_TRACK_NAME = "track_name"
+        const val EXTRA_ARTIST_NAME = "artist_name"
+        const val EXTRA_PROGRESS = "progress"
+        const val EXTRA_TOTAL = "total"
+        const val EXTRA_QUEUE_COUNT = "queue_count"
+        
+        private var isRunning = false
+        
+        fun isServiceRunning(): Boolean = isRunning
+        
+        fun start(context: Context, trackName: String = "", artistName: String = "", queueCount: Int = 0) {
+            val intent = Intent(context, DownloadService::class.java).apply {
+                action = ACTION_START
+                putExtra(EXTRA_TRACK_NAME, trackName)
+                putExtra(EXTRA_ARTIST_NAME, artistName)
+                putExtra(EXTRA_QUEUE_COUNT, queueCount)
+            }
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                context.startForegroundService(intent)
+            } else {
+                context.startService(intent)
+            }
+        }
+        
+        fun stop(context: Context) {
+            val intent = Intent(context, DownloadService::class.java).apply {
+                action = ACTION_STOP
+            }
+            context.startService(intent)
+        }
+        
+        fun updateProgress(context: Context, trackName: String, artistName: String, progress: Long, total: Long, queueCount: Int) {
+            val intent = Intent(context, DownloadService::class.java).apply {
+                action = ACTION_UPDATE_PROGRESS
+                putExtra(EXTRA_TRACK_NAME, trackName)
+                putExtra(EXTRA_ARTIST_NAME, artistName)
+                putExtra(EXTRA_PROGRESS, progress)
+                putExtra(EXTRA_TOTAL, total)
+                putExtra(EXTRA_QUEUE_COUNT, queueCount)
+            }
+            context.startService(intent)
+        }
     }
-
+    
+    private var wakeLock: PowerManager.WakeLock? = null
+    private var currentTrackName = ""
+    private var currentArtistName = ""
+    private var queueCount = 0
+    
     override fun onCreate() {
         super.onCreate()
         createNotificationChannel()
     }
-
+    
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         when (intent?.action) {
-            ACTION_START -> startForegroundService()
+            ACTION_START -> {
-            ACTION_STOP -> stopSelf()
+                currentTrackName = intent.getStringExtra(EXTRA_TRACK_NAME) ?: ""
+                currentArtistName = intent.getStringExtra(EXTRA_ARTIST_NAME) ?: ""
+                queueCount = intent.getIntExtra(EXTRA_QUEUE_COUNT, 0)
+                startForegroundService()
+            }
+            ACTION_STOP -> {
+                stopForegroundService()
+            }
+            ACTION_UPDATE_PROGRESS -> {
+                currentTrackName = intent.getStringExtra(EXTRA_TRACK_NAME) ?: currentTrackName
+                currentArtistName = intent.getStringExtra(EXTRA_ARTIST_NAME) ?: currentArtistName
+                val progress = intent.getLongExtra(EXTRA_PROGRESS, 0)
+                val total = intent.getLongExtra(EXTRA_TOTAL, 0)
+                queueCount = intent.getIntExtra(EXTRA_QUEUE_COUNT, queueCount)
+                updateNotification(progress, total)
+            }
         }
-        return START_NOT_STICKY
+        return START_STICKY
     }
-
+    
     override fun onBind(intent: Intent?): IBinder? = null
-
+    
     private fun createNotificationChannel() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             val channel = NotificationChannel(
                 CHANNEL_ID,
-                "Download Progress",
+                "Download Service",
                 NotificationManager.IMPORTANCE_LOW
             ).apply {
-                description = "Shows download progress for SpotiFLAC"
+                description = "Shows download progress"
                 setShowBadge(false)
             }
             val manager = getSystemService(NotificationManager::class.java)
             manager.createNotificationChannel(channel)
         }
     }
-
+    
     private fun startForegroundService() {
-        val notification = createNotification("Downloading...", 0)
+        isRunning = true
+        
+        // Acquire wake lock to prevent CPU sleep
+        val powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
+        wakeLock = powerManager.newWakeLock(
+            PowerManager.PARTIAL_WAKE_LOCK,
+            WAKELOCK_TAG
+        ).apply {
+            acquire(60 * 60 * 1000L) // 1 hour max
+        }
+        
+        val notification = buildNotification(0, 0)
         startForeground(NOTIFICATION_ID, notification)
     }
-
+    
-    fun updateProgress(trackName: String, progress: Int) {
+    private fun stopForegroundService() {
-        val notification = createNotification(trackName, progress)
+        isRunning = false
+        wakeLock?.let {
+            if (it.isHeld) {
+                it.release()
+            }
+        }
+        wakeLock = null
+        stopForeground(STOP_FOREGROUND_REMOVE)
+        stopSelf()
+    }
+    
+    private fun updateNotification(progress: Long, total: Long) {
+        if (!isRunning) return
+        
+        val notification = buildNotification(progress, total)
         val manager = getSystemService(NotificationManager::class.java)
         manager.notify(NOTIFICATION_ID, notification)
     }
-
+    
-    private fun createNotification(title: String, progress: Int): Notification {
+    private fun buildNotification(progress: Long, total: Long): Notification {
-        val intent = Intent(this, MainActivity::class.java)
         val pendingIntent = PendingIntent.getActivity(
-            this, 0, intent,
+            this,
+            0,
+            Intent(this, MainActivity::class.java),
             PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
         )
-
+        
-        val stopIntent = Intent(this, DownloadService::class.java).apply {
+        val title = if (queueCount > 1) {
-            action = ACTION_STOP
+            "Downloading $queueCount tracks"
+        } else if (currentTrackName.isNotEmpty()) {
+            currentTrackName
+        } else {
+            "Downloading..."
         }
-        val stopPendingIntent = PendingIntent.getService(
+        
-            this, 0, stopIntent,
+        val text = if (currentArtistName.isNotEmpty() && queueCount <= 1) {
-            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+            currentArtistName
-        )
+        } else if (total > 0) {
-
+            val progressPercent = (progress * 100 / total).toInt()
-        return NotificationCompat.Builder(this, CHANNEL_ID)
+            val progressMB = progress / (1024.0 * 1024.0)
-            .setContentTitle("SpotiFLAC")
+            val totalMB = total / (1024.0 * 1024.0)
-            .setContentText(title)
+            String.format("%.1f / %.1f MB (%d%%)", progressMB, totalMB, progressPercent)
+        } else {
+            "Preparing download..."
+        }
+        
+        val builder = NotificationCompat.Builder(this, CHANNEL_ID)
+            .setContentTitle(title)
+            .setContentText(text)
             .setSmallIcon(android.R.drawable.stat_sys_download)
-            .setProgress(100, progress, progress == 0)
-            .setOngoing(true)
             .setContentIntent(pendingIntent)
-            .addAction(android.R.drawable.ic_menu_close_clear_cancel, "Cancel", stopPendingIntent)
+            .setOngoing(true)
-            .build()
+            .setOnlyAlertOnce(true)
+            .setPriority(NotificationCompat.PRIORITY_LOW)
+            .setCategory(NotificationCompat.CATEGORY_PROGRESS)
+        
+        if (total > 0) {
+            builder.setProgress(100, (progress * 100 / total).toInt(), false)
+        } else {
+            builder.setProgress(0, 0, true)
+        }
+        
+        return builder.build()
+    }
+    
+    override fun onDestroy() {
+        isRunning = false
+        wakeLock?.let {
+            if (it.isHeld) {
+                it.release()
+            }
+        }
+        super.onDestroy()
     }
 }

android/app/src/main/kotlin/com/zarz/spotiflac/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.zarz.spotiflac
 
+import android.content.Intent
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
@@ -14,6 +15,12 @@ class MainActivity: FlutterActivity() {
     private val CHANNEL = "com.zarz.spotiflac/backend"
     private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
 
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        // Update the intent so receive_sharing_intent can access the new data
+        setIntent(intent)
+    }
+
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
         
@@ -43,6 +50,15 @@ class MainActivity: FlutterActivity() {
                             }
                             result.success(response)
                         }
+                        "searchSpotifyAll" -> {
+                            val query = call.argument<String>("query") ?: ""
+                            val trackLimit = call.argument<Int>("track_limit") ?: 15
+                            val artistLimit = call.argument<Int>("artist_limit") ?: 3
+                            val response = withContext(Dispatchers.IO) {
+                                Gobackend.searchSpotifyAll(query, trackLimit.toLong(), artistLimit.toLong())
+                            }
+                            result.success(response)
+                        }
                         "checkAvailability" -> {
                             val spotifyId = call.argument<String>("spotify_id") ?: ""
                             val isrc = call.argument<String>("isrc") ?: ""
@@ -71,6 +87,33 @@ class MainActivity: FlutterActivity() {
                             }
                             result.success(response)
                         }
+                        "getAllDownloadProgress" -> {
+                            val response = withContext(Dispatchers.IO) {
+                                Gobackend.getAllDownloadProgress()
+                            }
+                            result.success(response)
+                        }
+                        "initItemProgress" -> {
+                            val itemId = call.argument<String>("item_id") ?: ""
+                            withContext(Dispatchers.IO) {
+                                Gobackend.initItemProgress(itemId)
+                            }
+                            result.success(null)
+                        }
+                        "finishItemProgress" -> {
+                            val itemId = call.argument<String>("item_id") ?: ""
+                            withContext(Dispatchers.IO) {
+                                Gobackend.finishItemProgress(itemId)
+                            }
+                            result.success(null)
+                        }
+                        "clearItemProgress" -> {
+                            val itemId = call.argument<String>("item_id") ?: ""
+                            withContext(Dispatchers.IO) {
+                                Gobackend.clearItemProgress(itemId)
+                            }
+                            result.success(null)
+                        }
                         "setDownloadDirectory" -> {
                             val path = call.argument<String>("path") ?: ""
                             withContext(Dispatchers.IO) {
@@ -114,8 +157,9 @@ class MainActivity: FlutterActivity() {
                             val spotifyId = call.argument<String>("spotify_id") ?: ""
                             val trackName = call.argument<String>("track_name") ?: ""
                             val artistName = call.argument<String>("artist_name") ?: ""
+                            val filePath = call.argument<String>("file_path") ?: ""
                             val response = withContext(Dispatchers.IO) {
-                                Gobackend.getLyricsLRC(spotifyId, trackName, artistName)
+                                Gobackend.getLyricsLRC(spotifyId, trackName, artistName, filePath)
                             }
                             result.success(response)
                         }
@@ -133,6 +177,37 @@ class MainActivity: FlutterActivity() {
                             }
                             result.success(null)
                         }
+                        "startDownloadService" -> {
+                            val trackName = call.argument<String>("track_name") ?: ""
+                            val artistName = call.argument<String>("artist_name") ?: ""
+                            val queueCount = call.argument<Int>("queue_count") ?: 0
+                            DownloadService.start(this@MainActivity, trackName, artistName, queueCount)
+                            result.success(null)
+                        }
+                        "stopDownloadService" -> {
+                            DownloadService.stop(this@MainActivity)
+                            result.success(null)
+                        }
+                        "updateDownloadServiceProgress" -> {
+                            val trackName = call.argument<String>("track_name") ?: ""
+                            val artistName = call.argument<String>("artist_name") ?: ""
+                            val progress = call.argument<Long>("progress") ?: 0L
+                            val total = call.argument<Long>("total") ?: 0L
+                            val queueCount = call.argument<Int>("queue_count") ?: 0
+                            DownloadService.updateProgress(this@MainActivity, trackName, artistName, progress, total, queueCount)
+                            result.success(null)
+                        }
+                        "isDownloadServiceRunning" -> {
+                            result.success(DownloadService.isServiceRunning())
+                        }
+                        "setSpotifyCredentials" -> {
+                            val clientId = call.argument<String>("client_id") ?: ""
+                            val clientSecret = call.argument<String>("client_secret") ?: ""
+                            withContext(Dispatchers.IO) {
+                                Gobackend.setSpotifyAPICredentials(clientId, clientSecret)
+                            }
+                            result.success(null)
+                        }
                         else -> result.notImplemented()
                     }
                 } catch (e: Exception) {

android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-files-path name="external_files" path="." />
+    <cache-path name="cache" path="." />
+    <files-path name="files" path="." />
+</paths>

android/build.gradle.kts

@@ -10,10 +10,19 @@ subprojects {
         if (project.hasProperty("android")) {
             project.extensions.configure<com.android.build.gradle.BaseExtension>("android") {
                 compileOptions {
+                    isCoreLibraryDesugaringEnabled = true
                     sourceCompatibility = JavaVersion.VERSION_17
                     targetCompatibility = JavaVersion.VERSION_17
                 }
+                
+                // Enable multidex for all subprojects
+                defaultConfig {
+                    multiDexEnabled = true
+                }
             }
+            
+            // Add desugaring dependency to all Android subprojects
+            project.dependencies.add("coreLibraryDesugaring", "com.android.tools:desugar_jdk_libs:2.1.4")
         }
         
         tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {

android/settings.gradle.kts

@@ -20,7 +20,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "8.11.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
+    id("org.jetbrains.kotlin.android") version "2.3.0" apply false
 }
 
 include(":app")

devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

go_backend/amazon.go

@@ -36,6 +36,63 @@ type DoubleDoubleStatusResponse struct {
 	} `json:"current"`
 }
 
+// amazonArtistsMatch checks if the artist names are similar enough
+func amazonArtistsMatch(expectedArtist, foundArtist string) bool {
+	normExpected := strings.ToLower(strings.TrimSpace(expectedArtist))
+	normFound := strings.ToLower(strings.TrimSpace(foundArtist))
+	
+	// Exact match
+	if normExpected == normFound {
+		return true
+	}
+	
+	// Check if one contains the other
+	if strings.Contains(normExpected, normFound) || strings.Contains(normFound, normExpected) {
+		return true
+	}
+	
+	// Check first artist (before comma or feat)
+	expectedFirst := strings.Split(normExpected, ",")[0]
+	expectedFirst = strings.Split(expectedFirst, " feat")[0]
+	expectedFirst = strings.Split(expectedFirst, " ft.")[0]
+	expectedFirst = strings.TrimSpace(expectedFirst)
+	
+	foundFirst := strings.Split(normFound, ",")[0]
+	foundFirst = strings.Split(foundFirst, " feat")[0]
+	foundFirst = strings.Split(foundFirst, " ft.")[0]
+	foundFirst = strings.TrimSpace(foundFirst)
+	
+	if expectedFirst == foundFirst {
+		return true
+	}
+	
+	// Check if first artist is contained in the other
+	if strings.Contains(expectedFirst, foundFirst) || strings.Contains(foundFirst, expectedFirst) {
+		return true
+	}
+	
+	// If scripts are different (one is ASCII, one is non-ASCII like Japanese/Chinese/Korean),
+	// assume they're the same artist with different transliteration
+	expectedASCII := amazonIsASCIIString(expectedArtist)
+	foundASCII := amazonIsASCIIString(foundArtist)
+	if expectedASCII != foundASCII {
+		fmt.Printf("[Amazon] Artist names in different scripts, assuming match: '%s' vs '%s'\n", expectedArtist, foundArtist)
+		return true
+	}
+	
+	return false
+}
+
+// amazonIsASCIIString checks if a string contains only ASCII characters
+func amazonIsASCIIString(s string) bool {
+	for _, r := range s {
+		if r > 127 {
+			return false
+		}
+	}
+	return true
+}
+
 // NewAmazonDownloader creates a new Amazon downloader using DoubleDouble service
 func NewAmazonDownloader() *AmazonDownloader {
 	return &AmazonDownloader{
@@ -202,11 +259,12 @@ func (a *AmazonDownloader) downloadFromDoubleDoubleService(amazonURL, outputDir
 
 
 // DownloadFile downloads a file from URL with User-Agent and progress tracking
-func (a *AmazonDownloader) DownloadFile(downloadURL, outputPath string) error {
+func (a *AmazonDownloader) DownloadFile(downloadURL, outputPath, itemID string) error {
-	// Set current file being downloaded
+	// Initialize item progress (required for all downloads)
-	SetCurrentFile(filepath.Base(outputPath))
+	if itemID != "" {
-	SetDownloading(true)
+		StartItemProgress(itemID)
-	defer SetDownloading(false)
+		defer CompleteItemProgress(itemID)
+	}
 
 	req, err := http.NewRequest("GET", downloadURL, nil)
 	if err != nil {
@@ -226,8 +284,8 @@ func (a *AmazonDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 
 	// Set total bytes if available
-	if resp.ContentLength > 0 {
+	if resp.ContentLength > 0 && itemID != "" {
-		SetBytesTotal(resp.ContentLength)
+		SetItemBytesTotal(itemID, resp.ContentLength)
 	}
 
 	out, err := os.Create(outputPath)
@@ -236,51 +294,73 @@ func (a *AmazonDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 	defer out.Close()
 
-	// Track download progress
+	// Use item progress writer
-	pw := NewProgressWriter(out)
+	var bytesWritten int64
-	_, err = io.Copy(pw, resp.Body)
+	if itemID != "" {
+		pw := NewItemProgressWriter(out, itemID)
+		bytesWritten, err = io.Copy(pw, resp.Body)
+	} else {
+		// Fallback: direct copy without progress tracking
+		bytesWritten, err = io.Copy(out, resp.Body)
+	}
 	if err != nil {
 		return fmt.Errorf("failed to write file: %w", err)
 	}
 
-	fmt.Printf("\r[Amazon] Downloaded: %.2f MB (Complete)\n", float64(pw.GetTotal())/(1024*1024))
+	fmt.Printf("\r[Amazon] Downloaded: %.2f MB (Complete)\n", float64(bytesWritten)/(1024*1024))
 	return nil
 }
 
+// AmazonDownloadResult contains download result with quality info
+type AmazonDownloadResult struct {
+	FilePath   string
+	BitDepth   int
+	SampleRate int
+}
+
 // downloadFromAmazon downloads a track using the request parameters
 // Uses DoubleDouble service (same as PC version)
-func downloadFromAmazon(req DownloadRequest) (string, error) {
+func downloadFromAmazon(req DownloadRequest) (AmazonDownloadResult, error) {
 	downloader := NewAmazonDownloader()
 
 	// Check for existing file first
 	if existingFile, exists := checkISRCExistsInternal(req.OutputDir, req.ISRC); exists {
-		return "EXISTS:" + existingFile, nil
+		return AmazonDownloadResult{FilePath: "EXISTS:" + existingFile}, nil
 	}
 
 	// Get Amazon URL from SongLink
 	songlink := NewSongLinkClient()
 	availability, err := songlink.CheckTrackAvailability(req.SpotifyID, req.ISRC)
 	if err != nil {
-		return "", fmt.Errorf("failed to check Amazon availability via SongLink: %w", err)
+		return AmazonDownloadResult{}, fmt.Errorf("failed to check Amazon availability via SongLink: %w", err)
 	}
 
 	if !availability.Amazon || availability.AmazonURL == "" {
-		return "", fmt.Errorf("track not available on Amazon Music (SongLink returned no Amazon URL)")
+		return AmazonDownloadResult{}, fmt.Errorf("track not available on Amazon Music (SongLink returned no Amazon URL)")
 	}
 
 	// Create output directory if needed
 	if req.OutputDir != "." {
 		if err := os.MkdirAll(req.OutputDir, 0755); err != nil {
-			return "", fmt.Errorf("failed to create output directory: %w", err)
+			return AmazonDownloadResult{}, fmt.Errorf("failed to create output directory: %w", err)
 		}
 	}
 
 	// Download using DoubleDouble service (same as PC)
 	downloadURL, trackName, artistName, err := downloader.downloadFromDoubleDoubleService(availability.AmazonURL, req.OutputDir)
 	if err != nil {
-		return "", fmt.Errorf("failed to get download URL: %w", err)
+		return AmazonDownloadResult{}, fmt.Errorf("failed to get download URL: %w", err)
 	}
 
+	// Verify artist matches
+	if artistName != "" && !amazonArtistsMatch(req.ArtistName, artistName) {
+		fmt.Printf("[Amazon] Artist mismatch: expected '%s', got '%s'. Rejecting.\n", req.ArtistName, artistName)
+		return AmazonDownloadResult{}, fmt.Errorf("artist mismatch: expected '%s', got '%s'", req.ArtistName, artistName)
+	}
+
+	// Log match found
+	fmt.Printf("[Amazon] Match found: '%s' by '%s'\n", trackName, artistName)
+
 	// Build filename using Spotify metadata (more accurate)
 	filename := buildFilenameFromTemplate(req.FilenameFormat, map[string]interface{}{
 		"title":  req.TrackName,
@@ -295,12 +375,19 @@ func downloadFromAmazon(req DownloadRequest) (string, error) {
 
 	// Check if file already exists
 	if fileInfo, statErr := os.Stat(outputPath); statErr == nil && fileInfo.Size() > 0 {
-		return "EXISTS:" + outputPath, nil
+		return AmazonDownloadResult{FilePath: "EXISTS:" + outputPath}, nil
 	}
 
-	// Download file
+	// Download file with item ID for progress tracking
-	if err := downloader.DownloadFile(downloadURL, outputPath); err != nil {
+	if err := downloader.DownloadFile(downloadURL, outputPath, req.ItemID); err != nil {
-		return "", fmt.Errorf("download failed: %w", err)
+		return AmazonDownloadResult{}, fmt.Errorf("download failed: %w", err)
+	}
+
+	// Set progress to 100% and status to finalizing (before embedding)
+	// This makes the UI show "Finalizing..." while embedding happens
+	if req.ItemID != "" {
+		SetItemProgress(req.ItemID, 1.0, 0, 0)
+		SetItemFinalizing(req.ItemID)
 	}
 
 	// Log track info from DoubleDouble (for debugging)
@@ -359,5 +446,24 @@ func downloadFromAmazon(req DownloadRequest) (string, error) {
 	}
 
 	fmt.Println("[Amazon] ✓ Downloaded successfully from Amazon Music")
-	return outputPath, nil
+	
+	// Read actual quality from the downloaded FLAC file
+	// Amazon API doesn't provide quality info, but we can read it from the file itself
+	quality, err := GetAudioQuality(outputPath)
+	if err != nil {
+		fmt.Printf("[Amazon] Warning: couldn't read quality from file: %v\n", err)
+		// Return 0 to indicate unknown quality
+		return AmazonDownloadResult{
+			FilePath:   outputPath,
+			BitDepth:   0,
+			SampleRate: 0,
+		}, nil
+	}
+	
+	fmt.Printf("[Amazon] Actual quality: %d-bit/%dHz\n", quality.BitDepth, quality.SampleRate)
+	return AmazonDownloadResult{
+		FilePath:   outputPath,
+		BitDepth:   quality.BitDepth,
+		SampleRate: quality.SampleRate,
+	}, nil
 }

go_backend/exports.go

@@ -5,6 +5,7 @@ package gobackend
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"strings"
 	"time"
 )
@@ -30,6 +31,12 @@ func ParseSpotifyURL(url string) (string, error) {
 	return string(jsonBytes), nil
 }
 
+// SetSpotifyAPICredentials sets custom Spotify API credentials from Flutter
+// Pass empty strings to use default credentials
+func SetSpotifyAPICredentials(clientID, clientSecret string) {
+	SetSpotifyCredentials(clientID, clientSecret)
+}
+
 // GetSpotifyMetadata fetches metadata from Spotify URL
 // Returns JSON with track/album/playlist data
 func GetSpotifyMetadata(spotifyURL string) (string, error) {
@@ -70,6 +77,26 @@ func SearchSpotify(query string, limit int) (string, error) {
 	return string(jsonBytes), nil
 }
 
+// SearchSpotifyAll searches for tracks and artists on Spotify
+// Returns JSON with tracks and artists arrays
+func SearchSpotifyAll(query string, trackLimit, artistLimit int) (string, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	
+	client := NewSpotifyMetadataClient()
+	results, err := client.SearchAll(ctx, query, trackLimit, artistLimit)
+	if err != nil {
+		return "", err
+	}
+	
+	jsonBytes, err := json.Marshal(results)
+	if err != nil {
+		return "", err
+	}
+	
+	return string(jsonBytes), nil
+}
+
 // CheckAvailability checks track availability on streaming services
 // Returns JSON with availability info for Tidal, Qobuz, Amazon
 func CheckAvailability(spotifyID, isrc string) (string, error) {
@@ -99,12 +126,15 @@ type DownloadRequest struct {
 	CoverURL             string `json:"cover_url"`
 	OutputDir            string `json:"output_dir"`
 	FilenameFormat       string `json:"filename_format"`
+	Quality              string `json:"quality"` // LOSSLESS, HI_RES, HI_RES_LOSSLESS
 	EmbedLyrics          bool   `json:"embed_lyrics"`
 	EmbedMaxQualityCover bool   `json:"embed_max_quality_cover"`
 	TrackNumber          int    `json:"track_number"`
 	DiscNumber           int    `json:"disc_number"`
 	TotalTracks          int    `json:"total_tracks"`
 	ReleaseDate          string `json:"release_date"`
+	ItemID               string `json:"item_id"`    // Unique ID for progress tracking
+	DurationMS           int    `json:"duration_ms"` // Expected duration in milliseconds (for verification)
 }
 
 // DownloadResponse represents the result of a download
@@ -114,6 +144,17 @@ type DownloadResponse struct {
 	FilePath      string `json:"file_path,omitempty"`
 	Error         string `json:"error,omitempty"`
 	AlreadyExists bool   `json:"already_exists,omitempty"`
+	// Actual quality info from the source
+	ActualBitDepth   int    `json:"actual_bit_depth,omitempty"`
+	ActualSampleRate int    `json:"actual_sample_rate,omitempty"`
+	Service          string `json:"service,omitempty"` // Actual service used (for fallback)
+}
+
+// DownloadResult is a generic result type for all downloaders
+type DownloadResult struct {
+	FilePath   string
+	BitDepth   int
+	SampleRate int
 }
 
 // DownloadTrack downloads a track from the specified service
@@ -132,16 +173,40 @@ func DownloadTrack(requestJSON string) (string, error) {
 	req.AlbumArtist = strings.TrimSpace(req.AlbumArtist)
 	req.OutputDir = strings.TrimSpace(req.OutputDir)
 	
-	var filePath string
+	var result DownloadResult
 	var err error
 	
 	switch req.Service {
 	case "tidal":
-		filePath, err = downloadFromTidal(req)
+		tidalResult, tidalErr := downloadFromTidal(req)
+		if tidalErr == nil {
+			result = DownloadResult{
+				FilePath:   tidalResult.FilePath,
+				BitDepth:   tidalResult.BitDepth,
+				SampleRate: tidalResult.SampleRate,
+			}
+		}
+		err = tidalErr
 	case "qobuz":
-		filePath, err = downloadFromQobuz(req)
+		qobuzResult, qobuzErr := downloadFromQobuz(req)
+		if qobuzErr == nil {
+			result = DownloadResult{
+				FilePath:   qobuzResult.FilePath,
+				BitDepth:   qobuzResult.BitDepth,
+				SampleRate: qobuzResult.SampleRate,
+			}
+		}
+		err = qobuzErr
 	case "amazon":
-		filePath, err = downloadFromAmazon(req)
+		amazonResult, amazonErr := downloadFromAmazon(req)
+		if amazonErr == nil {
+			result = DownloadResult{
+				FilePath:   amazonResult.FilePath,
+				BitDepth:   amazonResult.BitDepth,
+				SampleRate: amazonResult.SampleRate,
+			}
+		}
+		err = amazonErr
 	default:
 		return errorResponse("Unknown service: " + req.Service)
 	}
@@ -151,21 +216,44 @@ func DownloadTrack(requestJSON string) (string, error) {
 	}
 	
 	// Check if file already exists
-	if len(filePath) > 7 && filePath[:7] == "EXISTS:" {
+	if len(result.FilePath) > 7 && result.FilePath[:7] == "EXISTS:" {
+		actualPath := result.FilePath[7:]
+		// Read actual quality from existing file
+		quality, qErr := GetAudioQuality(actualPath)
+		if qErr == nil {
+			result.BitDepth = quality.BitDepth
+			result.SampleRate = quality.SampleRate
+		}
 		resp := DownloadResponse{
-			Success:       true,
+			Success:          true,
-			Message:       "File already exists",
+			Message:          "File already exists",
-			FilePath:      filePath[7:],
+			FilePath:         actualPath,
-			AlreadyExists: true,
+			AlreadyExists:    true,
+			ActualBitDepth:   result.BitDepth,
+			ActualSampleRate: result.SampleRate,
+			Service:          req.Service,
 		}
 		jsonBytes, _ := json.Marshal(resp)
 		return string(jsonBytes), nil
 	}
 	
+	// Read actual quality from downloaded file (more accurate than API)
+	quality, qErr := GetAudioQuality(result.FilePath)
+	if qErr == nil {
+		result.BitDepth = quality.BitDepth
+		result.SampleRate = quality.SampleRate
+		fmt.Printf("[Download] Actual quality from file: %d-bit/%dHz\n", quality.BitDepth, quality.SampleRate)
+	} else {
+		fmt.Printf("[Download] Could not read quality from file: %v\n", qErr)
+	}
+	
 	resp := DownloadResponse{
-		Success:  true,
+		Success:          true,
-		Message:  "Download complete",
+		Message:          "Download complete",
-		FilePath: filePath,
+		FilePath:         result.FilePath,
+		ActualBitDepth:   result.BitDepth,
+		ActualSampleRate: result.SampleRate,
+		Service:          req.Service,
 	}
 	
 	jsonBytes, _ := json.Marshal(resp)
@@ -207,35 +295,82 @@ func DownloadWithFallback(requestJSON string) (string, error) {
 	for _, service := range services {
 		req.Service = service
 		
-		var filePath string
+		var result DownloadResult
 		var err error
 		
 		switch service {
 		case "tidal":
-			filePath, err = downloadFromTidal(req)
+			tidalResult, tidalErr := downloadFromTidal(req)
+			if tidalErr == nil {
+				result = DownloadResult{
+					FilePath:   tidalResult.FilePath,
+					BitDepth:   tidalResult.BitDepth,
+					SampleRate: tidalResult.SampleRate,
+				}
+			}
+			err = tidalErr
 		case "qobuz":
-			filePath, err = downloadFromQobuz(req)
+			qobuzResult, qobuzErr := downloadFromQobuz(req)
+			if qobuzErr == nil {
+				result = DownloadResult{
+					FilePath:   qobuzResult.FilePath,
+					BitDepth:   qobuzResult.BitDepth,
+					SampleRate: qobuzResult.SampleRate,
+				}
+			}
+			err = qobuzErr
 		case "amazon":
-			filePath, err = downloadFromAmazon(req)
+			amazonResult, amazonErr := downloadFromAmazon(req)
+			if amazonErr == nil {
+				result = DownloadResult{
+					FilePath:   amazonResult.FilePath,
+					BitDepth:   amazonResult.BitDepth,
+					SampleRate: amazonResult.SampleRate,
+				}
+			}
+			err = amazonErr
 		}
 		
 		if err == nil {
 			// Check if file already exists
-			if len(filePath) > 7 && filePath[:7] == "EXISTS:" {
+			if len(result.FilePath) > 7 && result.FilePath[:7] == "EXISTS:" {
+				actualPath := result.FilePath[7:]
+				// Read actual quality from existing file
+				quality, qErr := GetAudioQuality(actualPath)
+				if qErr == nil {
+					result.BitDepth = quality.BitDepth
+					result.SampleRate = quality.SampleRate
+				}
 				resp := DownloadResponse{
-					Success:       true,
+					Success:          true,
-					Message:       "File already exists",
+					Message:          "File already exists",
-					FilePath:      filePath[7:],
+					FilePath:         actualPath,
-					AlreadyExists: true,
+					AlreadyExists:    true,
+					ActualBitDepth:   result.BitDepth,
+					ActualSampleRate: result.SampleRate,
+					Service:          service,
 				}
 				jsonBytes, _ := json.Marshal(resp)
 				return string(jsonBytes), nil
 			}
 			
+			// Read actual quality from downloaded file (more accurate than API)
+			quality, qErr := GetAudioQuality(result.FilePath)
+			if qErr == nil {
+				result.BitDepth = quality.BitDepth
+				result.SampleRate = quality.SampleRate
+				fmt.Printf("[Download] Actual quality from file: %d-bit/%dHz\n", quality.BitDepth, quality.SampleRate)
+			} else {
+				fmt.Printf("[Download] Could not read quality from file: %v\n", qErr)
+			}
+			
 			resp := DownloadResponse{
-				Success:  true,
+				Success:          true,
-				Message:  "Downloaded from " + service,
+				Message:          "Downloaded from " + service,
-				FilePath: filePath,
+				FilePath:         result.FilePath,
+				ActualBitDepth:   result.BitDepth,
+				ActualSampleRate: result.SampleRate,
+				Service:          service,
 			}
 			jsonBytes, _ := json.Marshal(resp)
 			return string(jsonBytes), nil
@@ -254,6 +389,27 @@ func GetDownloadProgress() string {
 	return string(jsonBytes)
 }
 
+// GetAllDownloadProgress returns progress for all active downloads (concurrent mode)
+func GetAllDownloadProgress() string {
+	return GetMultiProgress()
+}
+
+// InitItemProgress initializes progress tracking for a download item
+func InitItemProgress(itemID string) {
+	StartItemProgress(itemID)
+}
+
+// FinishItemProgress marks a download item as complete and removes tracking
+func FinishItemProgress(itemID string) {
+	CompleteItemProgress(itemID)
+	// Don't remove immediately - let Flutter poll one more time to see 100%
+}
+
+// ClearItemProgress removes progress tracking for a specific item
+func ClearItemProgress(itemID string) {
+	RemoveItemProgress(itemID)
+}
+
 // CleanupConnections closes idle HTTP connections
 // Call this periodically during large batch downloads to prevent TCP exhaustion
 func CleanupConnections() {
@@ -323,14 +479,24 @@ func FetchLyrics(spotifyID, trackName, artistName string) (string, error) {
 }
 
 // GetLyricsLRC fetches lyrics and converts to LRC format string
-func GetLyricsLRC(spotifyID, trackName, artistName string) (string, error) {
+// First tries to extract from file, then falls back to fetching from internet
+func GetLyricsLRC(spotifyID, trackName, artistName string, filePath string) (string, error) {
+	// Try to extract from file first (much faster)
+	if filePath != "" {
+		lyrics, err := ExtractLyrics(filePath)
+		if err == nil && lyrics != "" {
+			return lyrics, nil
+		}
+	}
+
+	// Fallback to fetching from internet
 	client := NewLyricsClient()
-	lyrics, err := client.FetchLyricsAllSources(spotifyID, trackName, artistName)
+	lyricsData, err := client.FetchLyricsAllSources(spotifyID, trackName, artistName)
 	if err != nil {
 		return "", err
 	}
 
-	lrcContent := convertToLRC(lyrics)
+	lrcContent := convertToLRC(lyricsData)
 	return lrcContent, nil
 }
 

go_backend/metadata.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/go-flac/flacpicture"
 	"github.com/go-flac/flacvorbis"
@@ -273,10 +274,16 @@ func setComment(cmt *flacvorbis.MetaDataBlockVorbisComment, key, value string) {
 	if value == "" {
 		return
 	}
-	// Remove existing
+	// Remove existing (case-insensitive comparison for Vorbis comments)
+	keyUpper := strings.ToUpper(key)
 	for i := len(cmt.Comments) - 1; i >= 0; i-- {
-		if len(cmt.Comments[i]) > len(key)+1 && cmt.Comments[i][:len(key)+1] == key+"=" {
+		comment := cmt.Comments[i]
-			cmt.Comments = append(cmt.Comments[:i], cmt.Comments[i+1:]...)
+		eqIdx := strings.Index(comment, "=")
+		if eqIdx > 0 {
+			existingKey := strings.ToUpper(comment[:eqIdx])
+			if existingKey == keyUpper {
+				cmt.Comments = append(cmt.Comments[:i], cmt.Comments[i+1:]...)
+			}
 		}
 	}
 	// Add new
@@ -335,3 +342,92 @@ func EmbedLyrics(filePath string, lyrics string) error {
 
 	return f.Save(filePath)
 }
+
+// ExtractLyrics extracts embedded lyrics from a FLAC file
+func ExtractLyrics(filePath string) (string, error) {
+	f, err := flac.ParseFile(filePath)
+	if err != nil {
+		return "", fmt.Errorf("failed to parse FLAC file: %w", err)
+	}
+
+	for _, meta := range f.Meta {
+		if meta.Type == flac.VorbisComment {
+			cmt, err := flacvorbis.ParseFromMetaDataBlock(*meta)
+			if err != nil {
+				continue
+			}
+			
+			// Try LYRICS tag first
+			lyrics, err := cmt.Get("LYRICS")
+			if err == nil && len(lyrics) > 0 && lyrics[0] != "" {
+				return lyrics[0], nil
+			}
+			
+			// Fallback to UNSYNCEDLYRICS
+			lyrics, err = cmt.Get("UNSYNCEDLYRICS")
+			if err == nil && len(lyrics) > 0 && lyrics[0] != "" {
+				return lyrics[0], nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("no lyrics found in file")
+}
+
+// AudioQuality represents audio quality info from a FLAC file
+type AudioQuality struct {
+	BitDepth   int `json:"bit_depth"`
+	SampleRate int `json:"sample_rate"`
+}
+
+// GetAudioQuality reads bit depth and sample rate from a FLAC file's StreamInfo block
+// FLAC StreamInfo is always the first metadata block after the 4-byte "fLaC" marker
+func GetAudioQuality(filePath string) (AudioQuality, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return AudioQuality{}, fmt.Errorf("failed to open file: %w", err)
+	}
+	defer file.Close()
+
+	// Read FLAC marker (4 bytes: "fLaC")
+	marker := make([]byte, 4)
+	if _, err := file.Read(marker); err != nil {
+		return AudioQuality{}, fmt.Errorf("failed to read marker: %w", err)
+	}
+	if string(marker) != "fLaC" {
+		return AudioQuality{}, fmt.Errorf("not a FLAC file")
+	}
+
+	// Read metadata block header (4 bytes)
+	// Byte 0: bit 7 = last block flag, bits 0-6 = block type (0 = STREAMINFO)
+	// Bytes 1-3: block length (24-bit big-endian)
+	header := make([]byte, 4)
+	if _, err := file.Read(header); err != nil {
+		return AudioQuality{}, fmt.Errorf("failed to read header: %w", err)
+	}
+
+	blockType := header[0] & 0x7F
+	if blockType != 0 {
+		return AudioQuality{}, fmt.Errorf("first block is not STREAMINFO")
+	}
+
+	// Read STREAMINFO block (34 bytes minimum)
+	// Bytes 10-13 contain sample rate (20 bits), channels (3 bits), bits per sample (5 bits)
+	streamInfo := make([]byte, 34)
+	if _, err := file.Read(streamInfo); err != nil {
+		return AudioQuality{}, fmt.Errorf("failed to read STREAMINFO: %w", err)
+	}
+
+	// Parse sample rate (20 bits starting at byte 10)
+	// Bytes 10-12: [SSSS SSSS] [SSSS SSSS] [SSSS CCCC] where S=sample rate, C=channels
+	sampleRate := (int(streamInfo[10]) << 12) | (int(streamInfo[11]) << 4) | (int(streamInfo[12]) >> 4)
+
+	// Parse bits per sample (5 bits)
+	// Byte 12 bits 0-3 and byte 13 bit 7: [.... BBBB] [B...] where B=bits per sample - 1
+	bitsPerSample := ((int(streamInfo[12]) & 0x01) << 4) | (int(streamInfo[13]) >> 4) + 1
+
+	return AudioQuality{
+		BitDepth:   bitsPerSample,
+		SampleRate: sampleRate,
+	}, nil
+}

go_backend/progress.go

@@ -1,10 +1,12 @@
 package gobackend
 
 import (
+	"encoding/json"
 	"sync"
 )
 
 // DownloadProgress represents current download progress
+// Now unified - returns data from multi-progress system
 type DownloadProgress struct {
 	CurrentFile   string  `json:"current_file"`
 	Progress      float64 `json:"progress"`
@@ -12,54 +14,169 @@ type DownloadProgress struct {
 	BytesTotal    int64   `json:"bytes_total"`
 	BytesReceived int64   `json:"bytes_received"`
 	IsDownloading bool    `json:"is_downloading"`
+	Status        string  `json:"status"` // "downloading", "finalizing", "completed"
+}
+
+// ItemProgress represents progress for a single download item
+type ItemProgress struct {
+	ItemID        string  `json:"item_id"`
+	BytesTotal    int64   `json:"bytes_total"`
+	BytesReceived int64   `json:"bytes_received"`
+	Progress      float64 `json:"progress"` // 0.0 to 1.0
+	IsDownloading bool    `json:"is_downloading"`
+	Status        string  `json:"status"` // "downloading", "finalizing", "completed"
+}
+
+// MultiProgress holds progress for multiple concurrent downloads
+type MultiProgress struct {
+	Items map[string]*ItemProgress `json:"items"`
 }
 
 var (
-	currentProgress DownloadProgress
+	downloadDir   string
-	progressMu      sync.RWMutex
+	downloadDirMu sync.RWMutex
-	downloadDir     string
+
-	downloadDirMu   sync.RWMutex
+	// Multi-download progress tracking (unified system)
+	multiProgress = MultiProgress{Items: make(map[string]*ItemProgress)}
+	multiMu       sync.RWMutex
 )
 
-// getProgress returns current download progress
+// getProgress returns current download progress from multi-progress system
+// Returns first active item's progress for backward compatibility
 func getProgress() DownloadProgress {
-	progressMu.RLock()
+	multiMu.RLock()
-	defer progressMu.RUnlock()
+	defer multiMu.RUnlock()
-	return currentProgress
+
+	// Find first active item
+	for _, item := range multiProgress.Items {
+		return DownloadProgress{
+			CurrentFile:   item.ItemID,
+			Progress:      item.Progress * 100, // Convert to percentage
+			BytesTotal:    item.BytesTotal,
+			BytesReceived: item.BytesReceived,
+			IsDownloading: item.IsDownloading,
+			Status:        item.Status,
+		}
+	}
+
+	return DownloadProgress{}
 }
 
-// SetDownloadProgress sets the current download progress (MB downloaded)
+// GetMultiProgress returns progress for all active downloads as JSON
-func SetDownloadProgress(mbDownloaded float64) {
+func GetMultiProgress() string {
-	progressMu.Lock()
+	multiMu.RLock()
-	defer progressMu.Unlock()
+	defer multiMu.RUnlock()
-	currentProgress.Progress = mbDownloaded
+
-	currentProgress.IsDownloading = true
+	jsonBytes, err := json.Marshal(multiProgress)
+	if err != nil {
+		return "{\"items\":{}}"
+	}
+	return string(jsonBytes)
 }
 
-// SetDownloadSpeed sets the current download speed
+// GetItemProgress returns progress for a specific item as JSON
-func SetDownloadSpeed(speedMBps float64) {
+func GetItemProgress(itemID string) string {
-	progressMu.Lock()
+	multiMu.RLock()
-	defer progressMu.Unlock()
+	defer multiMu.RUnlock()
-	currentProgress.Speed = speedMBps
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		jsonBytes, _ := json.Marshal(item)
+		return string(jsonBytes)
+	}
+	return "{}"
 }
 
-// SetCurrentFile sets the current file being downloaded and resets progress
+// StartItemProgress initializes progress tracking for an item
-func SetCurrentFile(filename string) {
+func StartItemProgress(itemID string) {
-	progressMu.Lock()
+	multiMu.Lock()
-	defer progressMu.Unlock()
+	defer multiMu.Unlock()
-	// Reset progress for new file
+
-	currentProgress.BytesReceived = 0
+	multiProgress.Items[itemID] = &ItemProgress{
-	currentProgress.BytesTotal = 0
+		ItemID:        itemID,
-	currentProgress.Progress = 0
+		BytesTotal:    0,
-	currentProgress.CurrentFile = filename
+		BytesReceived: 0,
-	currentProgress.IsDownloading = true
+		Progress:      0,
+		IsDownloading: true,
+		Status:        "downloading",
+	}
 }
 
-// ResetProgress resets the download progress
+// SetItemBytesTotal sets total bytes for an item
-func ResetProgress() {
+func SetItemBytesTotal(itemID string, total int64) {
-	progressMu.Lock()
+	multiMu.Lock()
-	defer progressMu.Unlock()
+	defer multiMu.Unlock()
-	currentProgress = DownloadProgress{}
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		item.BytesTotal = total
+	}
+}
+
+// SetItemBytesReceived sets bytes received for an item
+func SetItemBytesReceived(itemID string, received int64) {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		item.BytesReceived = received
+		if item.BytesTotal > 0 {
+			item.Progress = float64(received) / float64(item.BytesTotal)
+		}
+	}
+}
+
+// CompleteItemProgress marks an item as complete
+func CompleteItemProgress(itemID string) {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		item.Progress = 1.0
+		item.IsDownloading = false
+		item.Status = "completed"
+	}
+}
+
+// SetItemProgress sets progress for an item directly
+func SetItemProgress(itemID string, progress float64, bytesReceived, bytesTotal int64) {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		item.Progress = progress
+		if bytesReceived > 0 {
+			item.BytesReceived = bytesReceived
+		}
+		if bytesTotal > 0 {
+			item.BytesTotal = bytesTotal
+		}
+	}
+}
+
+// SetItemFinalizing marks an item as finalizing (embedding metadata)
+func SetItemFinalizing(itemID string) {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	if item, ok := multiProgress.Items[itemID]; ok {
+		item.Progress = 1.0
+		item.Status = "finalizing"
+	}
+}
+
+// RemoveItemProgress removes progress tracking for an item
+func RemoveItemProgress(itemID string) {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	delete(multiProgress.Items, itemID)
+}
+
+// ClearAllItemProgress clears all item progress
+func ClearAllItemProgress() {
+	multiMu.Lock()
+	defer multiMu.Unlock()
+
+	multiProgress.Items = make(map[string]*ItemProgress)
 }
 
 // setDownloadDir sets the default download directory
@@ -77,61 +194,29 @@ func getDownloadDir() string {
 	return downloadDir
 }
 
-// SetDownloading sets the download status
+// ItemProgressWriter wraps io.Writer to track download progress for a specific item
-func SetDownloading(status bool) {
+type ItemProgressWriter struct {
-	progressMu.Lock()
-	defer progressMu.Unlock()
-	currentProgress.IsDownloading = status
-}
-
-// SetBytesTotal sets total bytes to download
-func SetBytesTotal(total int64) {
-	progressMu.Lock()
-	defer progressMu.Unlock()
-	currentProgress.BytesTotal = total
-}
-
-// SetBytesReceived sets bytes received so far
-func SetBytesReceived(received int64) {
-	progressMu.Lock()
-	defer progressMu.Unlock()
-	currentProgress.BytesReceived = received
-	if currentProgress.BytesTotal > 0 {
-		currentProgress.Progress = float64(received) / float64(currentProgress.BytesTotal) * 100
-	}
-}
-
-// ProgressWriter wraps io.Writer to track download progress
-type ProgressWriter struct {
 	writer  interface{ Write([]byte) (int, error) }
-	total   int64
+	itemID  string
 	current int64
 }
 
-// NewProgressWriter creates a new progress writer wrapping an io.Writer
+// NewItemProgressWriter creates a new progress writer for a specific item
-func NewProgressWriter(w interface{ Write([]byte) (int, error) }) *ProgressWriter {
+func NewItemProgressWriter(w interface{ Write([]byte) (int, error) }, itemID string) *ItemProgressWriter {
-	// Reset bytes received when starting new download
+	return &ItemProgressWriter{
-	SetBytesReceived(0)
-	return &ProgressWriter{
 		writer:  w,
+		itemID:  itemID,
 		current: 0,
-		total:   0,
 	}
 }
 
 // Write implements io.Writer
-func (pw *ProgressWriter) Write(p []byte) (int, error) {
+func (pw *ItemProgressWriter) Write(p []byte) (int, error) {
 	n, err := pw.writer.Write(p)
 	if err != nil {
 		return n, err
 	}
 	pw.current += int64(n)
-	pw.total += int64(n)
+	SetItemBytesReceived(pw.itemID, pw.current)
-	SetBytesReceived(pw.current)
 	return n, nil
 }
-
-// GetTotal returns total bytes written
-func (pw *ProgressWriter) GetTotal() int64 {
-	return pw.total
-}

go_backend/qobuz.go

@@ -9,6 +9,7 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"strings"
 )
 
 // QobuzDownloader handles Qobuz downloads
@@ -39,6 +40,63 @@ type QobuzTrack struct {
 	} `json:"performer"`
 }
 
+// qobuzArtistsMatch checks if the artist names are similar enough
+func qobuzArtistsMatch(expectedArtist, foundArtist string) bool {
+	normExpected := strings.ToLower(strings.TrimSpace(expectedArtist))
+	normFound := strings.ToLower(strings.TrimSpace(foundArtist))
+	
+	// Exact match
+	if normExpected == normFound {
+		return true
+	}
+	
+	// Check if one contains the other
+	if strings.Contains(normExpected, normFound) || strings.Contains(normFound, normExpected) {
+		return true
+	}
+	
+	// Check first artist (before comma or feat)
+	expectedFirst := strings.Split(normExpected, ",")[0]
+	expectedFirst = strings.Split(expectedFirst, " feat")[0]
+	expectedFirst = strings.Split(expectedFirst, " ft.")[0]
+	expectedFirst = strings.TrimSpace(expectedFirst)
+	
+	foundFirst := strings.Split(normFound, ",")[0]
+	foundFirst = strings.Split(foundFirst, " feat")[0]
+	foundFirst = strings.Split(foundFirst, " ft.")[0]
+	foundFirst = strings.TrimSpace(foundFirst)
+	
+	if expectedFirst == foundFirst {
+		return true
+	}
+	
+	// Check if first artist is contained in the other
+	if strings.Contains(expectedFirst, foundFirst) || strings.Contains(foundFirst, expectedFirst) {
+		return true
+	}
+	
+	// If scripts are different (one is ASCII, one is non-ASCII like Japanese/Chinese/Korean),
+	// assume they're the same artist with different transliteration
+	expectedASCII := qobuzIsASCIIString(expectedArtist)
+	foundASCII := qobuzIsASCIIString(foundArtist)
+	if expectedASCII != foundASCII {
+		fmt.Printf("[Qobuz] Artist names in different scripts, assuming match: '%s' vs '%s'\n", expectedArtist, foundArtist)
+		return true
+	}
+	
+	return false
+}
+
+// qobuzIsASCIIString checks if a string contains only ASCII characters
+func qobuzIsASCIIString(s string) bool {
+	for _, r := range s {
+		if r > 127 {
+			return false
+		}
+	}
+	return true
+}
+
 // NewQobuzDownloader creates a new Qobuz downloader
 func NewQobuzDownloader() *QobuzDownloader {
 	return &QobuzDownloader{
@@ -112,8 +170,96 @@ func (q *QobuzDownloader) SearchTrackByISRC(isrc string) (*QobuzTrack, error) {
 	return nil, fmt.Errorf("no exact ISRC match found for: %s", isrc)
 }
 
+// SearchTrackByISRCWithTitle searches for a track by ISRC with duration verification
+// expectedDurationSec is the expected duration in seconds (0 to skip verification)
+func (q *QobuzDownloader) SearchTrackByISRCWithDuration(isrc string, expectedDurationSec int) (*QobuzTrack, error) {
+	apiBase, _ := base64.StdEncoding.DecodeString("aHR0cHM6Ly93d3cucW9idXouY29tL2FwaS5qc29uLzAuMi90cmFjay9zZWFyY2g/cXVlcnk9")
+	searchURL := fmt.Sprintf("%s%s&limit=50&app_id=%s", string(apiBase), url.QueryEscape(isrc), q.appID)
+
+	req, err := http.NewRequest("GET", searchURL, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := DoRequestWithUserAgent(q.client, req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return nil, fmt.Errorf("search failed: HTTP %d", resp.StatusCode)
+	}
+
+	var result struct {
+		Tracks struct {
+			Items []QobuzTrack `json:"items"`
+		} `json:"tracks"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return nil, err
+	}
+
+	// Find ISRC matches
+	var isrcMatches []*QobuzTrack
+	for i := range result.Tracks.Items {
+		if result.Tracks.Items[i].ISRC == isrc {
+			isrcMatches = append(isrcMatches, &result.Tracks.Items[i])
+		}
+	}
+
+	if len(isrcMatches) > 0 {
+		// Verify duration if provided
+		if expectedDurationSec > 0 {
+			var durationVerifiedMatches []*QobuzTrack
+			for _, track := range isrcMatches {
+				durationDiff := track.Duration - expectedDurationSec
+				if durationDiff < 0 {
+					durationDiff = -durationDiff
+				}
+				// Allow 30 seconds tolerance
+				if durationDiff <= 30 {
+					durationVerifiedMatches = append(durationVerifiedMatches, track)
+				}
+			}
+			
+			if len(durationVerifiedMatches) > 0 {
+				fmt.Printf("[Qobuz] ISRC match with duration verification: '%s' (expected %ds, found %ds)\n", 
+					durationVerifiedMatches[0].Title, expectedDurationSec, durationVerifiedMatches[0].Duration)
+				return durationVerifiedMatches[0], nil
+			}
+			
+			// ISRC matches but duration doesn't
+			fmt.Printf("[Qobuz] WARNING: ISRC %s found but duration mismatch. Expected=%ds, Found=%ds. Rejecting.\n", 
+				isrc, expectedDurationSec, isrcMatches[0].Duration)
+			return nil, fmt.Errorf("ISRC found but duration mismatch: expected %ds, found %ds (likely different version)", 
+				expectedDurationSec, isrcMatches[0].Duration)
+		}
+		
+		// No duration to verify, return first match
+		fmt.Printf("[Qobuz] ISRC match (no duration verification): '%s'\n", isrcMatches[0].Title)
+		return isrcMatches[0], nil
+	}
+
+	if len(result.Tracks.Items) == 0 {
+		return nil, fmt.Errorf("no tracks found for ISRC: %s", isrc)
+	}
+
+	return nil, fmt.Errorf("no exact ISRC match found for: %s", isrc)
+}
+
+// SearchTrackByISRCWithTitle is deprecated, use SearchTrackByISRCWithDuration instead
+func (q *QobuzDownloader) SearchTrackByISRCWithTitle(isrc, expectedTitle string) (*QobuzTrack, error) {
+	return q.SearchTrackByISRCWithDuration(isrc, 0)
+}
+
 // SearchTrackByMetadata searches for a track using artist name and track name
 func (q *QobuzDownloader) SearchTrackByMetadata(trackName, artistName string) (*QobuzTrack, error) {
+	return q.SearchTrackByMetadataWithDuration(trackName, artistName, 0)
+}
+
+// SearchTrackByMetadataWithDuration searches for a track with duration verification
+func (q *QobuzDownloader) SearchTrackByMetadataWithDuration(trackName, artistName string, expectedDurationSec int) (*QobuzTrack, error) {
 	apiBase, _ := base64.StdEncoding.DecodeString("aHR0cHM6Ly93d3cucW9idXouY29tL2FwaS5qc29uLzAuMi90cmFjay9zZWFyY2g/cXVlcnk9")
 
 	// Try multiple search strategies
@@ -129,6 +275,8 @@ func (q *QobuzDownloader) SearchTrackByMetadata(trackName, artistName string) (*
 		queries = append(queries, trackName)
 	}
 
+	var allTracks []QobuzTrack
+
 	for _, query := range queries {
 		searchURL := fmt.Sprintf("%s%s&limit=50&app_id=%s", string(apiBase), url.QueryEscape(query), q.appID)
 
@@ -159,19 +307,50 @@ func (q *QobuzDownloader) SearchTrackByMetadata(trackName, artistName string) (*
 		resp.Body.Close()
 
 		if len(result.Tracks.Items) > 0 {
-			// Return first result with best quality
+			allTracks = append(allTracks, result.Tracks.Items...)
-			for i := range result.Tracks.Items {
+		}
-				track := &result.Tracks.Items[i]
+	}
+
+	if len(allTracks) == 0 {
+		return nil, fmt.Errorf("no tracks found for: %s - %s", artistName, trackName)
+	}
+
+	// If duration verification is requested
+	if expectedDurationSec > 0 {
+		var durationMatches []*QobuzTrack
+		for i := range allTracks {
+			track := &allTracks[i]
+			durationDiff := track.Duration - expectedDurationSec
+			if durationDiff < 0 {
+				durationDiff = -durationDiff
+			}
+			if durationDiff <= 30 {
+				durationMatches = append(durationMatches, track)
+			}
+		}
+
+		if len(durationMatches) > 0 {
+			// Return best quality among duration matches
+			for _, track := range durationMatches {
 				if track.MaximumBitDepth >= 24 {
 					return track, nil
 				}
 			}
-			// Return first result if no hi-res found
+			return durationMatches[0], nil
-			return &result.Tracks.Items[0], nil
 		}
+
+		// No duration match found
+		return nil, fmt.Errorf("no tracks found with matching duration (expected %ds)", expectedDurationSec)
 	}
 
-	return nil, fmt.Errorf("no tracks found for: %s - %s", artistName, trackName)
+	// No duration verification, return best quality
+	for i := range allTracks {
+		track := &allTracks[i]
+		if track.MaximumBitDepth >= 24 {
+			return track, nil
+		}
+	}
+	return &allTracks[0], nil
 }
 
 // getQobuzDownloadURLSequential requests download URL from APIs sequentially
@@ -261,11 +440,12 @@ func (q *QobuzDownloader) GetDownloadURL(trackID int64, quality string) (string,
 }
 
 // DownloadFile downloads a file from URL with User-Agent and progress tracking
-func (q *QobuzDownloader) DownloadFile(downloadURL, outputPath string) error {
+func (q *QobuzDownloader) DownloadFile(downloadURL, outputPath, itemID string) error {
-	// Set current file being downloaded
+	// Initialize item progress (required for all downloads)
-	SetCurrentFile(filepath.Base(outputPath))
+	if itemID != "" {
-	SetDownloading(true)
+		StartItemProgress(itemID)
-	defer SetDownloading(false)
+		defer CompleteItemProgress(itemID)
+	}
 
 	req, err := http.NewRequest("GET", downloadURL, nil)
 	if err != nil {
@@ -283,8 +463,8 @@ func (q *QobuzDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 
 	// Set total bytes if available
-	if resp.ContentLength > 0 {
+	if resp.ContentLength > 0 && itemID != "" {
-		SetBytesTotal(resp.ContentLength)
+		SetItemBytesTotal(itemID, resp.ContentLength)
 	}
 
 	out, err := os.Create(outputPath)
@@ -293,42 +473,72 @@ func (q *QobuzDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 	defer out.Close()
 
-	// Use ProgressWriter for tracking
+	// Use item progress writer
-	progressWriter := NewProgressWriter(out)
+	if itemID != "" {
-	_, err = io.Copy(progressWriter, resp.Body)
+		progressWriter := NewItemProgressWriter(out, itemID)
+		_, err = io.Copy(progressWriter, resp.Body)
+	} else {
+		// Fallback: direct copy without progress tracking
+		_, err = io.Copy(out, resp.Body)
+	}
 	return err
 }
 
+// QobuzDownloadResult contains download result with quality info
+type QobuzDownloadResult struct {
+	FilePath   string
+	BitDepth   int
+	SampleRate int
+}
+
 // downloadFromQobuz downloads a track using the request parameters
-func downloadFromQobuz(req DownloadRequest) (string, error) {
+func downloadFromQobuz(req DownloadRequest) (QobuzDownloadResult, error) {
 	downloader := NewQobuzDownloader()
 
 	// Check for existing file first
 	if existingFile, exists := checkISRCExistsInternal(req.OutputDir, req.ISRC); exists {
-		return "EXISTS:" + existingFile, nil
+		return QobuzDownloadResult{FilePath: "EXISTS:" + existingFile}, nil
 	}
 
+	// Convert expected duration from ms to seconds
+	expectedDurationSec := req.DurationMS / 1000
+
 	var track *QobuzTrack
 	var err error
 
-	// Strategy 1: Search by ISRC
+	// Strategy 1: Search by ISRC with duration verification
 	if req.ISRC != "" {
-		track, err = downloader.SearchTrackByISRC(req.ISRC)
+		track, err = downloader.SearchTrackByISRCWithDuration(req.ISRC, expectedDurationSec)
+		// Verify artist
+		if track != nil && !qobuzArtistsMatch(req.ArtistName, track.Performer.Name) {
+			fmt.Printf("[Qobuz] Artist mismatch from ISRC search: expected '%s', got '%s'. Rejecting.\n", 
+				req.ArtistName, track.Performer.Name)
+			track = nil
+		}
 	}
 
-	// Strategy 2: Search by metadata
+	// Strategy 2: Search by metadata with duration verification
 	if track == nil {
-		track, err = downloader.SearchTrackByMetadata(req.TrackName, req.ArtistName)
+		track, err = downloader.SearchTrackByMetadataWithDuration(req.TrackName, req.ArtistName, expectedDurationSec)
+		// Verify artist
+		if track != nil && !qobuzArtistsMatch(req.ArtistName, track.Performer.Name) {
+			fmt.Printf("[Qobuz] Artist mismatch from metadata search: expected '%s', got '%s'. Rejecting.\n", 
+				req.ArtistName, track.Performer.Name)
+			track = nil
+		}
 	}
 
 	if track == nil {
-		errMsg := "could not find track on Qobuz"
+		errMsg := "could not find matching track on Qobuz (artist/duration mismatch)"
 		if err != nil {
 			errMsg = err.Error()
 		}
-		return "", fmt.Errorf("qobuz search failed: %s", errMsg)
+		return QobuzDownloadResult{}, fmt.Errorf("qobuz search failed: %s", errMsg)
 	}
 
+	// Log match found
+	fmt.Printf("[Qobuz] Match found: '%s' by '%s' (duration: %ds)\n", track.Title, track.Performer.Name, track.Duration)
+
 	// Build filename
 	filename := buildFilenameFromTemplate(req.FilenameFormat, map[string]interface{}{
 		"title":  req.TrackName,
@@ -343,18 +553,44 @@ func downloadFromQobuz(req DownloadRequest) (string, error) {
 
 	// Check if file already exists
 	if fileInfo, statErr := os.Stat(outputPath); statErr == nil && fileInfo.Size() > 0 {
-		return "EXISTS:" + outputPath, nil
+		return QobuzDownloadResult{FilePath: "EXISTS:" + outputPath}, nil
 	}
 
+	// Map quality from Tidal format to Qobuz format
+	// Tidal: LOSSLESS (16-bit), HI_RES (24-bit), HI_RES_LOSSLESS (24-bit hi-res)
+	// Qobuz: 5 (MP3 320), 6 (16-bit), 7 (24-bit 96kHz), 27 (24-bit 192kHz)
+	qobuzQuality := "27" // Default to highest quality
+	switch req.Quality {
+	case "LOSSLESS":
+		qobuzQuality = "6" // 16-bit FLAC
+	case "HI_RES":
+		qobuzQuality = "7" // 24-bit 96kHz
+	case "HI_RES_LOSSLESS":
+		qobuzQuality = "27" // 24-bit 192kHz
+	}
+	fmt.Printf("[Qobuz] Using quality: %s (mapped from %s)\n", qobuzQuality, req.Quality)
+
+	// Get actual quality from track metadata
+	actualBitDepth := track.MaximumBitDepth
+	actualSampleRate := int(track.MaximumSamplingRate * 1000) // Convert kHz to Hz
+	fmt.Printf("[Qobuz] Actual quality: %d-bit/%.1fkHz\n", actualBitDepth, track.MaximumSamplingRate)
+
 	// Get download URL using parallel API requests
-	downloadURL, err := downloader.GetDownloadURL(track.ID, "27") // 27 = FLAC 24-bit
+	downloadURL, err := downloader.GetDownloadURL(track.ID, qobuzQuality)
 	if err != nil {
-		return "", fmt.Errorf("failed to get download URL: %w", err)
+		return QobuzDownloadResult{}, fmt.Errorf("failed to get download URL: %w", err)
 	}
 
-	// Download file
+	// Download file with item ID for progress tracking
-	if err := downloader.DownloadFile(downloadURL, outputPath); err != nil {
+	if err := downloader.DownloadFile(downloadURL, outputPath, req.ItemID); err != nil {
-		return "", fmt.Errorf("download failed: %w", err)
+		return QobuzDownloadResult{}, fmt.Errorf("download failed: %w", err)
+	}
+
+	// Set progress to 100% and status to finalizing (before embedding)
+	// This makes the UI show "Finalizing..." while embedding happens
+	if req.ItemID != "" {
+		SetItemProgress(req.ItemID, 1.0, 0, 0)
+		SetItemFinalizing(req.ItemID)
 	}
 
 	// Embed metadata
@@ -407,5 +643,9 @@ func downloadFromQobuz(req DownloadRequest) (string, error) {
 		}
 	}
 
-	return outputPath, nil
+	return QobuzDownloadResult{
+		FilePath:   outputPath,
+		BitDepth:   actualBitDepth,
+		SampleRate: actualSampleRate,
+	}, nil
 }

go_backend/romaji.go

@@ -1,276 +0,0 @@
-package gobackend
-
-import (
-	"strings"
-	"unicode"
-)
-
-// Japanese character ranges
-const (
-	hiraganaStart = 0x3040
-	hiraganaEnd   = 0x309F
-	katakanaStart = 0x30A0
-	katakanaEnd   = 0x30FF
-	kanjiStart    = 0x4E00
-	kanjiEnd      = 0x9FFF
-)
-
-// hiraganaToRomaji maps hiragana characters to romaji
-var hiraganaToRomaji = map[rune]string{
-	// Basic vowels
-	'あ': "a", 'い': "i", 'う': "u", 'え': "e", 'お': "o",
-	// K-row
-	'か': "ka", 'き': "ki", 'く': "ku", 'け': "ke", 'こ': "ko",
-	// S-row
-	'さ': "sa", 'し': "shi", 'す': "su", 'せ': "se", 'そ': "so",
-	// T-row
-	'た': "ta", 'ち': "chi", 'つ': "tsu", 'て': "te", 'と': "to",
-	// N-row
-	'な': "na", 'に': "ni", 'ぬ': "nu", 'ね': "ne", 'の': "no",
-	// H-row
-	'は': "ha", 'ひ': "hi", 'ふ': "fu", 'へ': "he", 'ほ': "ho",
-	// M-row
-	'ま': "ma", 'み': "mi", 'む': "mu", 'め': "me", 'も': "mo",
-	// Y-row
-	'や': "ya", 'ゆ': "yu", 'よ': "yo",
-	// R-row
-	'ら': "ra", 'り': "ri", 'る': "ru", 'れ': "re", 'ろ': "ro",
-	// W-row
-	'わ': "wa", 'を': "wo",
-	// N
-	'ん': "n",
-	// Voiced (dakuten) - G-row
-	'が': "ga", 'ぎ': "gi", 'ぐ': "gu", 'げ': "ge", 'ご': "go",
-	// Z-row
-	'ざ': "za", 'じ': "ji", 'ず': "zu", 'ぜ': "ze", 'ぞ': "zo",
-	// D-row
-	'だ': "da", 'ぢ': "ji", 'づ': "zu", 'で': "de", 'ど': "do",
-	// B-row
-	'ば': "ba", 'び': "bi", 'ぶ': "bu", 'べ': "be", 'ぼ': "bo",
-	// P-row (handakuten)
-	'ぱ': "pa", 'ぴ': "pi", 'ぷ': "pu", 'ぺ': "pe", 'ぽ': "po",
-	// Small characters
-	'ゃ': "ya", 'ゅ': "yu", 'ょ': "yo",
-	'ぁ': "a", 'ぃ': "i", 'ぅ': "u", 'ぇ': "e", 'ぉ': "o",
-	'っ': "", // Small tsu - handled specially
-	// Long vowel mark
-	'ー': "",
-}
-
-// katakanaToRomaji maps katakana characters to romaji
-var katakanaToRomaji = map[rune]string{
-	// Basic vowels
-	'ア': "a", 'イ': "i", 'ウ': "u", 'エ': "e", 'オ': "o",
-	// K-row
-	'カ': "ka", 'キ': "ki", 'ク': "ku", 'ケ': "ke", 'コ': "ko",
-	// S-row
-	'サ': "sa", 'シ': "shi", 'ス': "su", 'セ': "se", 'ソ': "so",
-	// T-row
-	'タ': "ta", 'チ': "chi", 'ツ': "tsu", 'テ': "te", 'ト': "to",
-	// N-row
-	'ナ': "na", 'ニ': "ni", 'ヌ': "nu", 'ネ': "ne", 'ノ': "no",
-	// H-row
-	'ハ': "ha", 'ヒ': "hi", 'フ': "fu", 'ヘ': "he", 'ホ': "ho",
-	// M-row
-	'マ': "ma", 'ミ': "mi", 'ム': "mu", 'メ': "me", 'モ': "mo",
-	// Y-row
-	'ヤ': "ya", 'ユ': "yu", 'ヨ': "yo",
-	// R-row
-	'ラ': "ra", 'リ': "ri", 'ル': "ru", 'レ': "re", 'ロ': "ro",
-	// W-row
-	'ワ': "wa", 'ヲ': "wo",
-	// N
-	'ン': "n",
-	// Voiced (dakuten) - G-row
-	'ガ': "ga", 'ギ': "gi", 'グ': "gu", 'ゲ': "ge", 'ゴ': "go",
-	// Z-row
-	'ザ': "za", 'ジ': "ji", 'ズ': "zu", 'ゼ': "ze", 'ゾ': "zo",
-	// D-row
-	'ダ': "da", 'ヂ': "ji", 'ヅ': "zu", 'デ': "de", 'ド': "do",
-	// B-row
-	'バ': "ba", 'ビ': "bi", 'ブ': "bu", 'ベ': "be", 'ボ': "bo",
-	// P-row (handakuten)
-	'パ': "pa", 'ピ': "pi", 'プ': "pu", 'ペ': "pe", 'ポ': "po",
-	// Small characters
-	'ャ': "ya", 'ュ': "yu", 'ョ': "yo",
-	'ァ': "a", 'ィ': "i", 'ゥ': "u", 'ェ': "e", 'ォ': "o",
-	'ッ': "", // Small tsu - handled specially
-	// Extended katakana
-	'ヴ': "vu",
-	// Long vowel mark
-	'ー': "",
-}
-
-// Extended katakana combinations (multi-character)
-var katakanaExtended = map[string]string{
-	"ファ": "fa", "フィ": "fi", "フェ": "fe", "フォ": "fo",
-}
-
-// Combination mappings for small ya/yu/yo
-var hiraganaCombo = map[string]string{
-	"きゃ": "kya", "きゅ": "kyu", "きょ": "kyo",
-	"しゃ": "sha", "しゅ": "shu", "しょ": "sho",
-	"ちゃ": "cha", "ちゅ": "chu", "ちょ": "cho",
-	"にゃ": "nya", "にゅ": "nyu", "にょ": "nyo",
-	"ひゃ": "hya", "ひゅ": "hyu", "ひょ": "hyo",
-	"みゃ": "mya", "みゅ": "myu", "みょ": "myo",
-	"りゃ": "rya", "りゅ": "ryu", "りょ": "ryo",
-	"ぎゃ": "gya", "ぎゅ": "gyu", "ぎょ": "gyo",
-	"じゃ": "ja", "じゅ": "ju", "じょ": "jo",
-	"びゃ": "bya", "びゅ": "byu", "びょ": "byo",
-	"ぴゃ": "pya", "ぴゅ": "pyu", "ぴょ": "pyo",
-}
-
-var katakanaCombo = map[string]string{
-	"キャ": "kya", "キュ": "kyu", "キョ": "kyo",
-	"シャ": "sha", "シュ": "shu", "ショ": "sho",
-	"チャ": "cha", "チュ": "chu", "チョ": "cho",
-	"ニャ": "nya", "ニュ": "nyu", "ニョ": "nyo",
-	"ヒャ": "hya", "ヒュ": "hyu", "ヒョ": "hyo",
-	"ミャ": "mya", "ミュ": "myu", "ミョ": "myo",
-	"リャ": "rya", "リュ": "ryu", "リョ": "ryo",
-	"ギャ": "gya", "ギュ": "gyu", "ギョ": "gyo",
-	"ジャ": "ja", "ジュ": "ju", "ジョ": "jo",
-	"ビャ": "bya", "ビュ": "byu", "ビョ": "byo",
-	"ピャ": "pya", "ピュ": "pyu", "ピョ": "pyo",
-	// Extended katakana combinations
-	"ティ": "ti", "ディ": "di",
-	"トゥ": "tu", "ドゥ": "du",
-	"ファ": "fa", "フィ": "fi", "フェ": "fe", "フォ": "fo",
-	"ウィ": "wi", "ウェ": "we", "ウォ": "wo",
-	"ヴァ": "va", "ヴィ": "vi", "ヴェ": "ve", "ヴォ": "vo",
-}
-
-// ContainsJapanese checks if a string contains Japanese characters (Hiragana, Katakana, or Kanji)
-func ContainsJapanese(s string) bool {
-	for _, r := range s {
-		if isHiragana(r) || isKatakana(r) || isKanji(r) {
-			return true
-		}
-	}
-	return false
-}
-
-// ContainsKana checks if a string contains Hiragana or Katakana (convertible to romaji)
-func ContainsKana(s string) bool {
-	for _, r := range s {
-		if isHiragana(r) || isKatakana(r) {
-			return true
-		}
-	}
-	return false
-}
-
-func isHiragana(r rune) bool {
-	return r >= hiraganaStart && r <= hiraganaEnd
-}
-
-func isKatakana(r rune) bool {
-	return r >= katakanaStart && r <= katakanaEnd
-}
-
-func isKanji(r rune) bool {
-	return r >= kanjiStart && r <= kanjiEnd
-}
-
-// ToRomaji converts Japanese kana (Hiragana/Katakana) to romaji
-// Kanji characters are preserved as-is since they require dictionary lookup
-func ToRomaji(s string) string {
-	if !ContainsKana(s) {
-		return s
-	}
-
-	runes := []rune(s)
-	var result strings.Builder
-	result.Grow(len(s) * 2) // Romaji is typically longer
-
-	i := 0
-	for i < len(runes) {
-		r := runes[i]
-
-		// Check for two-character combinations first
-		if i+1 < len(runes) {
-			combo := string(runes[i : i+2])
-			if romaji, ok := hiraganaCombo[combo]; ok {
-				result.WriteString(romaji)
-				i += 2
-				continue
-			}
-			if romaji, ok := katakanaCombo[combo]; ok {
-				result.WriteString(romaji)
-				i += 2
-				continue
-			}
-		}
-
-		// Handle small tsu (っ/ッ) - doubles the next consonant
-		if r == 'っ' || r == 'ッ' {
-			if i+1 < len(runes) {
-				nextRune := runes[i+1]
-				var nextRomaji string
-				if romaji, ok := hiraganaToRomaji[nextRune]; ok {
-					nextRomaji = romaji
-				} else if romaji, ok := katakanaToRomaji[nextRune]; ok {
-					nextRomaji = romaji
-				}
-				if len(nextRomaji) > 0 {
-					result.WriteByte(nextRomaji[0]) // Double the consonant
-				}
-			}
-			i++
-			continue
-		}
-
-		// Handle long vowel mark (ー)
-		if r == 'ー' {
-			// Extend the previous vowel
-			resultStr := result.String()
-			if len(resultStr) > 0 {
-				lastChar := resultStr[len(resultStr)-1]
-				if lastChar == 'a' || lastChar == 'i' || lastChar == 'u' || lastChar == 'e' || lastChar == 'o' {
-					result.WriteByte(lastChar)
-				}
-			}
-			i++
-			continue
-		}
-
-		// Single character conversion
-		if romaji, ok := hiraganaToRomaji[r]; ok {
-			result.WriteString(romaji)
-			i++
-			continue
-		}
-
-		if romaji, ok := katakanaToRomaji[r]; ok {
-			result.WriteString(romaji)
-			i++
-			continue
-		}
-
-		// Keep non-Japanese characters as-is
-		if unicode.IsSpace(r) {
-			result.WriteRune(' ')
-		} else {
-			result.WriteRune(r)
-		}
-		i++
-	}
-
-	return result.String()
-}
-
-// GetRomajiVariants returns search variants for Japanese text
-// Returns the original string plus romaji version if applicable
-func GetRomajiVariants(s string) []string {
-	variants := []string{s}
-
-	if ContainsKana(s) {
-		romaji := ToRomaji(s)
-		if romaji != s && strings.TrimSpace(romaji) != "" {
-			variants = append(variants, romaji)
-		}
-	}
-
-	return variants
-}

go_backend/spotify.go

@@ -10,6 +10,7 @@ import (
 	"math/rand"
 	"net/http"
 	"net/url"
+	"os"
 	"strings"
 	"sync"
 	"time"
@@ -20,11 +21,28 @@ const (
 	playlistBaseURL     = "https://api.spotify.com/v1/playlists/%s"
 	albumBaseURL        = "https://api.spotify.com/v1/albums/%s"
 	trackBaseURL        = "https://api.spotify.com/v1/tracks/%s"
+	artistBaseURL       = "https://api.spotify.com/v1/artists/%s"
+	artistAlbumsURL     = "https://api.spotify.com/v1/artists/%s/albums"
 	searchBaseURL       = "https://api.spotify.com/v1/search"
+	
+	// Cache TTL settings
+	artistCacheTTL = 10 * time.Minute
+	searchCacheTTL = 5 * time.Minute
+	albumCacheTTL  = 10 * time.Minute
 )
 
 var errInvalidSpotifyURL = errors.New("invalid or unsupported Spotify URL")
 
+// cacheEntry holds cached data with expiration
+type cacheEntry struct {
+	data      interface{}
+	expiresAt time.Time
+}
+
+func (e *cacheEntry) isExpired() bool {
+	return time.Now().After(e.expiresAt)
+}
+
 // SpotifyMetadataClient handles Spotify API interactions
 type SpotifyMetadataClient struct {
 	httpClient     *http.Client
@@ -32,31 +50,76 @@ type SpotifyMetadataClient struct {
 	clientSecret   string
 	cachedToken    string
 	tokenExpiresAt time.Time
+	tokenMu        sync.Mutex // Protects token cache for concurrent access
 	rng            *rand.Rand
 	rngMu          sync.Mutex
 	userAgent      string
+	
+	// Caches to reduce API calls
+	artistCache map[string]*cacheEntry // key: artistID
+	searchCache map[string]*cacheEntry // key: query+type
+	albumCache  map[string]*cacheEntry // key: albumID
+	cacheMu     sync.RWMutex
+}
+
+// Custom credentials storage (set from Flutter)
+var (
+	customClientID     string
+	customClientSecret string
+	credentialsMu      sync.RWMutex
+)
+
+// SetSpotifyCredentials sets custom Spotify API credentials
+// Pass empty strings to use default credentials
+func SetSpotifyCredentials(clientID, clientSecret string) {
+	credentialsMu.Lock()
+	defer credentialsMu.Unlock()
+	customClientID = clientID
+	customClientSecret = clientSecret
+}
+
+// getCredentials returns the current credentials (custom or default)
+func getCredentials() (string, string) {
+	credentialsMu.RLock()
+	defer credentialsMu.RUnlock()
+	
+	if customClientID != "" && customClientSecret != "" {
+		return customClientID, customClientSecret
+	}
+	
+	// Fall back to default credentials
+	clientID := os.Getenv("SPOTIFY_CLIENT_ID")
+	if clientID == "" {
+		if decoded, err := base64.StdEncoding.DecodeString("NWY1NzNjOTYyMDQ5NGJhZTg3ODkwYzBmMDhhNjAyOTM="); err == nil {
+			clientID = string(decoded)
+		}
+	}
+
+	clientSecret := os.Getenv("SPOTIFY_CLIENT_SECRET")
+	if clientSecret == "" {
+		if decoded, err := base64.StdEncoding.DecodeString("MjEyNDc2ZDliMGYzNDcyZWFhNzYyZDkwYjE5YjBiYTg="); err == nil {
+			clientSecret = string(decoded)
+		}
+	}
+	
+	return clientID, clientSecret
 }
 
 // NewSpotifyMetadataClient creates a new Spotify client
 func NewSpotifyMetadataClient() *SpotifyMetadataClient {
 	src := rand.NewSource(time.Now().UnixNano())
 
-	// Decode credentials from base64
+	// Get credentials (custom or default)
-	clientID := ""
+	clientID, clientSecret := getCredentials()
-	if decoded, err := base64.StdEncoding.DecodeString("NWY1NzNjOTYyMDQ5NGJhZTg3ODkwYzBmMDhhNjAyOTM="); err == nil {
-		clientID = string(decoded)
-	}
-
-	clientSecret := ""
-	if decoded, err := base64.StdEncoding.DecodeString("MjEyNDc2ZDliMGYzNDcyZWFhNzYyZDkwYjE5YjBiYTg="); err == nil {
-		clientSecret = string(decoded)
-	}
 
 	c := &SpotifyMetadataClient{
-		httpClient:   &http.Client{Timeout: 15 * time.Second},
+		httpClient:   NewHTTPClientWithTimeout(15 * time.Second), // Use shared transport for connection pooling
 		clientID:     clientID,
 		clientSecret: clientSecret,
 		rng:          rand.New(src),
+		artistCache:  make(map[string]*cacheEntry),
+		searchCache:  make(map[string]*cacheEntry),
+		albumCache:   make(map[string]*cacheEntry),
 	}
 	c.userAgent = c.randomUserAgent()
 	return c
@@ -131,6 +194,32 @@ type PlaylistResponsePayload struct {
 	TrackList    []AlbumTrackMetadata `json:"track_list"`
 }
 
+// ArtistInfoMetadata holds artist information
+type ArtistInfoMetadata struct {
+	ID         string `json:"id"`
+	Name       string `json:"name"`
+	Images     string `json:"images"`
+	Followers  int    `json:"followers"`
+	Popularity int    `json:"popularity"`
+}
+
+// ArtistAlbumMetadata holds album info for artist discography
+type ArtistAlbumMetadata struct {
+	ID          string `json:"id"`
+	Name        string `json:"name"`
+	ReleaseDate string `json:"release_date"`
+	TotalTracks int    `json:"total_tracks"`
+	Images      string `json:"images"`
+	AlbumType   string `json:"album_type"` // album, single, compilation
+	Artists     string `json:"artists"`
+}
+
+// ArtistResponsePayload is the response for artist requests
+type ArtistResponsePayload struct {
+	ArtistInfo ArtistInfoMetadata    `json:"artist_info"`
+	Albums     []ArtistAlbumMetadata `json:"albums"`
+}
+
 // TrackResponse is the response for single track requests
 type TrackResponse struct {
 	Track TrackMetadata `json:"track"`
@@ -142,6 +231,21 @@ type SearchResult struct {
 	Total  int             `json:"total"`
 }
 
+// SearchArtistResult represents an artist in search results
+type SearchArtistResult struct {
+	ID         string `json:"id"`
+	Name       string `json:"name"`
+	Images     string `json:"images"`
+	Followers  int    `json:"followers"`
+	Popularity int    `json:"popularity"`
+}
+
+// SearchAllResult represents combined search results for tracks and artists
+type SearchAllResult struct {
+	Tracks  []TrackMetadata      `json:"tracks"`
+	Artists []SearchArtistResult `json:"artists"`
+}
+
 type spotifyURI struct {
 	Type string
 	ID   string
@@ -212,6 +316,8 @@ func (c *SpotifyMetadataClient) GetFilteredData(ctx context.Context, spotifyURL
 		return c.fetchAlbum(ctx, parsed.ID, token)
 	case "playlist":
 		return c.fetchPlaylist(ctx, parsed.ID, token)
+	case "artist":
+		return c.fetchArtist(ctx, parsed.ID, token)
 	default:
 		return nil, fmt.Errorf("unsupported Spotify type: %s", parsed.Type)
 	}
@@ -263,6 +369,98 @@ func (c *SpotifyMetadataClient) SearchTracks(ctx context.Context, query string,
 	return result, nil
 }
 
+// SearchAll searches for tracks and artists on Spotify
+func (c *SpotifyMetadataClient) SearchAll(ctx context.Context, query string, trackLimit, artistLimit int) (*SearchAllResult, error) {
+	// Create cache key
+	cacheKey := fmt.Sprintf("all:%s:%d:%d", query, trackLimit, artistLimit)
+	
+	// Check cache first
+	c.cacheMu.RLock()
+	if entry, ok := c.searchCache[cacheKey]; ok && !entry.isExpired() {
+		c.cacheMu.RUnlock()
+		return entry.data.(*SearchAllResult), nil
+	}
+	c.cacheMu.RUnlock()
+
+	token, err := c.getAccessToken(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	searchURL := fmt.Sprintf("%s?q=%s&type=track,artist&limit=%d", searchBaseURL, url.QueryEscape(query), trackLimit)
+	
+	var response struct {
+		Tracks struct {
+			Items []trackFull `json:"items"`
+		} `json:"tracks"`
+		Artists struct {
+			Items []struct {
+				ID         string  `json:"id"`
+				Name       string  `json:"name"`
+				Images     []image `json:"images"`
+				Followers  struct {
+					Total int `json:"total"`
+				} `json:"followers"`
+				Popularity int `json:"popularity"`
+			} `json:"items"`
+		} `json:"artists"`
+	}
+	
+	if err := c.getJSON(ctx, searchURL, token, &response); err != nil {
+		return nil, err
+	}
+
+	result := &SearchAllResult{
+		Tracks:  make([]TrackMetadata, 0, len(response.Tracks.Items)),
+		Artists: make([]SearchArtistResult, 0, len(response.Artists.Items)),
+	}
+
+	for _, track := range response.Tracks.Items {
+		result.Tracks = append(result.Tracks, TrackMetadata{
+			SpotifyID:   track.ID,
+			Artists:     joinArtists(track.Artists),
+			Name:        track.Name,
+			AlbumName:   track.Album.Name,
+			AlbumArtist: joinArtists(track.Album.Artists),
+			DurationMS:  track.DurationMS,
+			Images:      firstImageURL(track.Album.Images),
+			ReleaseDate: track.Album.ReleaseDate,
+			TrackNumber: track.TrackNumber,
+			TotalTracks: track.Album.TotalTracks,
+			DiscNumber:  track.DiscNumber,
+			ExternalURL: track.ExternalURL.Spotify,
+			ISRC:        track.ExternalID.ISRC,
+		})
+	}
+
+	// Limit artists to artistLimit
+	artistCount := len(response.Artists.Items)
+	if artistCount > artistLimit {
+		artistCount = artistLimit
+	}
+	
+	for i := 0; i < artistCount; i++ {
+		artist := response.Artists.Items[i]
+		result.Artists = append(result.Artists, SearchArtistResult{
+			ID:         artist.ID,
+			Name:       artist.Name,
+			Images:     firstImageURL(artist.Images),
+			Followers:  artist.Followers.Total,
+			Popularity: artist.Popularity,
+		})
+	}
+
+	// Store in cache
+	c.cacheMu.Lock()
+	c.searchCache[cacheKey] = &cacheEntry{
+		data:      result,
+		expiresAt: time.Now().Add(searchCacheTTL),
+	}
+	c.cacheMu.Unlock()
+
+	return result, nil
+}
+
 func (c *SpotifyMetadataClient) fetchTrack(ctx context.Context, trackID, token string) (*TrackResponse, error) {
 	var data trackFull
 	if err := c.getJSON(ctx, fmt.Sprintf(trackBaseURL, trackID), token, &data); err != nil {
@@ -289,6 +487,14 @@ func (c *SpotifyMetadataClient) fetchTrack(ctx context.Context, trackID, token s
 }
 
 func (c *SpotifyMetadataClient) fetchAlbum(ctx context.Context, albumID, token string) (*AlbumResponsePayload, error) {
+	// Check cache first
+	c.cacheMu.RLock()
+	if entry, ok := c.albumCache[albumID]; ok && !entry.isExpired() {
+		c.cacheMu.RUnlock()
+		return entry.data.(*AlbumResponsePayload), nil
+	}
+	c.cacheMu.RUnlock()
+
 	var data struct {
 		Name        string   `json:"name"`
 		ReleaseDate string   `json:"release_date"`
@@ -344,13 +550,24 @@ func (c *SpotifyMetadataClient) fetchAlbum(ctx context.Context, albumID, token s
 		})
 	}
 
-	return &AlbumResponsePayload{
+	result := &AlbumResponsePayload{
 		AlbumInfo: info,
 		TrackList: tracks,
-	}, nil
+	}
+
+	// Store in cache
+	c.cacheMu.Lock()
+	c.albumCache[albumID] = &cacheEntry{
+		data:      result,
+		expiresAt: time.Now().Add(albumCacheTTL),
+	}
+	c.cacheMu.Unlock()
+
+	return result, nil
 }
 
 func (c *SpotifyMetadataClient) fetchPlaylist(ctx context.Context, playlistID, token string) (*PlaylistResponsePayload, error) {
+	// First request to get playlist info and first batch of tracks
 	var data struct {
 		Name   string  `json:"name"`
 		Images []image `json:"images"`
@@ -361,7 +578,8 @@ func (c *SpotifyMetadataClient) fetchPlaylist(ctx context.Context, playlistID, t
 			Items []struct {
 				Track *trackFull `json:"track"`
 			} `json:"items"`
-			Total int `json:"total"`
+			Total int    `json:"total"`
+			Next  string `json:"next"`
 		} `json:"tracks"`
 	}
 
@@ -375,7 +593,10 @@ func (c *SpotifyMetadataClient) fetchPlaylist(ctx context.Context, playlistID, t
 	info.Owner.Name = data.Name
 	info.Owner.Images = firstImageURL(data.Images)
 
-	tracks := make([]AlbumTrackMetadata, 0, len(data.Tracks.Items))
+	// Pre-allocate with expected capacity
+	tracks := make([]AlbumTrackMetadata, 0, data.Tracks.Total)
+	
+	// Add first batch of tracks
 	for _, item := range data.Tracks.Items {
 		if item.Track == nil {
 			continue
@@ -399,12 +620,161 @@ func (c *SpotifyMetadataClient) fetchPlaylist(ctx context.Context, playlistID, t
 		})
 	}
 
+	// Fetch remaining tracks using pagination (up to 1000 tracks max)
+	nextURL := data.Tracks.Next
+	maxTracks := 1000
+	
+	for nextURL != "" && len(tracks) < maxTracks {
+		var pageData struct {
+			Items []struct {
+				Track *trackFull `json:"track"`
+			} `json:"items"`
+			Next string `json:"next"`
+		}
+
+		if err := c.getJSON(ctx, nextURL, token, &pageData); err != nil {
+			// Log error but return what we have so far
+			fmt.Printf("[Spotify] Warning: failed to fetch page, returning %d tracks: %v\n", len(tracks), err)
+			break
+		}
+
+		for _, item := range pageData.Items {
+			if item.Track == nil {
+				continue
+			}
+			if len(tracks) >= maxTracks {
+				break
+			}
+			tracks = append(tracks, AlbumTrackMetadata{
+				SpotifyID:   item.Track.ID,
+				Artists:     joinArtists(item.Track.Artists),
+				Name:        item.Track.Name,
+				AlbumName:   item.Track.Album.Name,
+				AlbumArtist: joinArtists(item.Track.Album.Artists),
+				DurationMS:  item.Track.DurationMS,
+				Images:      firstImageURL(item.Track.Album.Images),
+				ReleaseDate: item.Track.Album.ReleaseDate,
+				TrackNumber: item.Track.TrackNumber,
+				TotalTracks: item.Track.Album.TotalTracks,
+				DiscNumber:  item.Track.DiscNumber,
+				ExternalURL: item.Track.ExternalURL.Spotify,
+				ISRC:        item.Track.ExternalID.ISRC,
+				AlbumID:     item.Track.Album.ID,
+				AlbumURL:    item.Track.Album.ExternalURL.Spotify,
+			})
+		}
+
+		nextURL = pageData.Next
+	}
+
+	fmt.Printf("[Spotify] Fetched %d tracks from playlist (total: %d)\n", len(tracks), data.Tracks.Total)
+
 	return &PlaylistResponsePayload{
 		PlaylistInfo: info,
 		TrackList:    tracks,
 	}, nil
 }
 
+func (c *SpotifyMetadataClient) fetchArtist(ctx context.Context, artistID, token string) (*ArtistResponsePayload, error) {
+	// Check cache first
+	c.cacheMu.RLock()
+	if entry, ok := c.artistCache[artistID]; ok && !entry.isExpired() {
+		c.cacheMu.RUnlock()
+		return entry.data.(*ArtistResponsePayload), nil
+	}
+	c.cacheMu.RUnlock()
+
+	// Fetch artist info
+	var artistData struct {
+		ID         string  `json:"id"`
+		Name       string  `json:"name"`
+		Images     []image `json:"images"`
+		Followers  struct {
+			Total int `json:"total"`
+		} `json:"followers"`
+		Popularity int `json:"popularity"`
+	}
+
+	if err := c.getJSON(ctx, fmt.Sprintf(artistBaseURL, artistID), token, &artistData); err != nil {
+		return nil, err
+	}
+
+	artistInfo := ArtistInfoMetadata{
+		ID:         artistData.ID,
+		Name:       artistData.Name,
+		Images:     firstImageURL(artistData.Images),
+		Followers:  artistData.Followers.Total,
+		Popularity: artistData.Popularity,
+	}
+
+	// Fetch artist albums (all types: album, single, compilation)
+	albums := make([]ArtistAlbumMetadata, 0)
+	offset := 0
+	limit := 50
+
+	for {
+		albumsURL := fmt.Sprintf("%s?include_groups=album,single,compilation&limit=%d&offset=%d",
+			fmt.Sprintf(artistAlbumsURL, artistID), limit, offset)
+
+		var albumsData struct {
+			Items []struct {
+				ID          string      `json:"id"`
+				Name        string      `json:"name"`
+				ReleaseDate string      `json:"release_date"`
+				TotalTracks int         `json:"total_tracks"`
+				Images      []image     `json:"images"`
+				AlbumType   string      `json:"album_type"`
+				Artists     []artist    `json:"artists"`
+				ExternalURL externalURL `json:"external_urls"`
+			} `json:"items"`
+			Next  string `json:"next"`
+			Total int    `json:"total"`
+		}
+
+		if err := c.getJSON(ctx, albumsURL, token, &albumsData); err != nil {
+			return nil, err
+		}
+
+		for _, album := range albumsData.Items {
+			albums = append(albums, ArtistAlbumMetadata{
+				ID:          album.ID,
+				Name:        album.Name,
+				ReleaseDate: album.ReleaseDate,
+				TotalTracks: album.TotalTracks,
+				Images:      firstImageURL(album.Images),
+				AlbumType:   album.AlbumType,
+				Artists:     joinArtists(album.Artists),
+			})
+		}
+
+		// Check if there are more albums
+		if albumsData.Next == "" || len(albumsData.Items) < limit {
+			break
+		}
+		offset += limit
+
+		// Safety limit to prevent infinite loops
+		if offset > 500 {
+			break
+		}
+	}
+
+	result := &ArtistResponsePayload{
+		ArtistInfo: artistInfo,
+		Albums:     albums,
+	}
+
+	// Store in cache
+	c.cacheMu.Lock()
+	c.artistCache[artistID] = &cacheEntry{
+		data:      result,
+		expiresAt: time.Now().Add(artistCacheTTL),
+	}
+	c.cacheMu.Unlock()
+
+	return result, nil
+}
+
 func (c *SpotifyMetadataClient) fetchTrackISRC(ctx context.Context, trackID, token string) string {
 	var data struct {
 		ExternalID externalID `json:"external_ids"`

go_backend/tidal.go

@@ -315,6 +315,28 @@ func (t *TidalDownloader) SearchTrackByISRC(isrc string) (*TidalTrack, error) {
 	return nil, fmt.Errorf("no exact ISRC match found for: %s", isrc)
 }
 
+// normalizeTitle normalizes a track title for comparison (kept for potential future use)
+func normalizeTitle(title string) string {
+	normalized := strings.ToLower(strings.TrimSpace(title))
+	
+	// Remove common suffixes in parentheses or brackets
+	suffixPatterns := []string{
+		" (remaster)", " (remastered)", " (deluxe)", " (deluxe edition)",
+		" (bonus track)", " (single)", " (album version)", " (radio edit)",
+		" [remaster]", " [remastered]", " [deluxe]", " [bonus track]",
+	}
+	for _, suffix := range suffixPatterns {
+		normalized = strings.TrimSuffix(normalized, suffix)
+	}
+	
+	// Remove multiple spaces
+	for strings.Contains(normalized, "  ") {
+		normalized = strings.ReplaceAll(normalized, "  ", " ")
+	}
+	
+	return normalized
+}
+
 // SearchTrackByMetadataWithISRC searches for a track with ISRC matching priority
 func (t *TidalDownloader) SearchTrackByMetadataWithISRC(trackName, artistName, spotifyISRC string, expectedDuration int) (*TidalTrack, error) {
 	token, err := t.GetAccessToken()
@@ -335,33 +357,7 @@ func (t *TidalDownloader) SearchTrackByMetadataWithISRC(trackName, artistName, s
 		queries = append(queries, trackName)
 	}
 
-	// Strategy 3: Romaji versions if Japanese detected
+	// Strategy 3: Artist only as last resort
-	if ContainsJapanese(trackName) || ContainsJapanese(artistName) {
-		// Try romaji version of track name
-		if ContainsKana(trackName) {
-			romajiTrack := ToRomaji(trackName)
-			if romajiTrack != trackName {
-				if artistName != "" {
-					queries = append(queries, artistName+" "+romajiTrack)
-				}
-				queries = append(queries, romajiTrack)
-			}
-		}
-		// Try romaji version of artist name
-		if ContainsKana(artistName) {
-			romajiArtist := ToRomaji(artistName)
-			if romajiArtist != artistName {
-				queries = append(queries, romajiArtist+" "+trackName)
-				// Try both romaji
-				if ContainsKana(trackName) {
-					romajiTrack := ToRomaji(trackName)
-					queries = append(queries, romajiArtist+" "+romajiTrack)
-				}
-			}
-		}
-	}
-
-	// Strategy 4: Artist only as last resort
 	if artistName != "" {
 		queries = append(queries, artistName)
 	}
@@ -416,14 +412,50 @@ func (t *TidalDownloader) SearchTrackByMetadataWithISRC(trackName, artistName, s
 		return nil, fmt.Errorf("no tracks found for any search query")
 	}
 
-	// Priority 1: Match by ISRC (exact match)
+	// Priority 1: Match by ISRC (exact match) WITH title verification
 	if spotifyISRC != "" {
+		var isrcMatches []*TidalTrack
 		for i := range allTracks {
 			track := &allTracks[i]
 			if track.ISRC == spotifyISRC {
-				return track, nil
+				isrcMatches = append(isrcMatches, track)
 			}
 		}
+		
+		if len(isrcMatches) > 0 {
+			// Verify duration first (most important check)
+			if expectedDuration > 0 {
+				var durationVerifiedMatches []*TidalTrack
+				for _, track := range isrcMatches {
+					durationDiff := track.Duration - expectedDuration
+					if durationDiff < 0 {
+						durationDiff = -durationDiff
+					}
+					// Allow 30 seconds tolerance for duration
+					if durationDiff <= 30 {
+						durationVerifiedMatches = append(durationVerifiedMatches, track)
+					}
+				}
+				
+				if len(durationVerifiedMatches) > 0 {
+					// Return first duration-verified match
+					fmt.Printf("[Tidal] ISRC match with duration verification: '%s' (expected %ds, found %ds)\n", 
+						durationVerifiedMatches[0].Title, expectedDuration, durationVerifiedMatches[0].Duration)
+					return durationVerifiedMatches[0], nil
+				}
+				
+				// ISRC matches but duration doesn't - this is likely wrong version
+				fmt.Printf("[Tidal] WARNING: ISRC %s found but duration mismatch. Expected=%ds, Found=%ds. Rejecting.\n", 
+					spotifyISRC, expectedDuration, isrcMatches[0].Duration)
+				return nil, fmt.Errorf("ISRC found but duration mismatch: expected %ds, found %ds (likely different version/edit)", 
+					expectedDuration, isrcMatches[0].Duration)
+			}
+			
+			// No duration to verify, just return first ISRC match
+			fmt.Printf("[Tidal] ISRC match (no duration verification): '%s'\n", isrcMatches[0].Title)
+			return isrcMatches[0], nil
+		}
+		
 		// If ISRC was provided but no match found, return error
 		return nil, fmt.Errorf("ISRC mismatch: no track found with ISRC %s on Tidal", spotifyISRC)
 	}
@@ -483,11 +515,18 @@ func (t *TidalDownloader) SearchTrackByMetadata(trackName, artistName string) (*
 }
 
 
+// TidalDownloadInfo contains download URL and quality info
+type TidalDownloadInfo struct {
+	URL        string
+	BitDepth   int
+	SampleRate int
+}
+
 // getDownloadURLSequential requests download URL from APIs sequentially
 // Returns the first successful result (supports both v1 and v2 API formats)
-func getDownloadURLSequential(apis []string, trackID int64, quality string) (string, string, error) {
+func getDownloadURLSequential(apis []string, trackID int64, quality string) (string, TidalDownloadInfo, error) {
 	if len(apis) == 0 {
-		return "", "", fmt.Errorf("no APIs available")
+		return "", TidalDownloadInfo{}, fmt.Errorf("no APIs available")
 	}
 
 	client := NewHTTPClientWithTimeout(DefaultTimeout)
@@ -519,7 +558,12 @@ func getDownloadURLSequential(apis []string, trackID int64, quality string) (str
 		// Try v2 format first (object with manifest)
 		var v2Response TidalAPIResponseV2
 		if err := json.Unmarshal(body, &v2Response); err == nil && v2Response.Data.Manifest != "" {
-			return apiURL, "MANIFEST:" + v2Response.Data.Manifest, nil
+			info := TidalDownloadInfo{
+				URL:        "MANIFEST:" + v2Response.Data.Manifest,
+				BitDepth:   v2Response.Data.BitDepth,
+				SampleRate: v2Response.Data.SampleRate,
+			}
+			return apiURL, info, nil
 		}
 
 		// Fallback to v1 format (array with OriginalTrackUrl)
@@ -529,7 +573,13 @@ func getDownloadURLSequential(apis []string, trackID int64, quality string) (str
 		if err := json.Unmarshal(body, &v1Responses); err == nil {
 			for _, item := range v1Responses {
 				if item.OriginalTrackURL != "" {
-					return apiURL, item.OriginalTrackURL, nil
+					// v1 format doesn't have quality info, assume 16-bit/44.1kHz
+					info := TidalDownloadInfo{
+						URL:        item.OriginalTrackURL,
+						BitDepth:   16,
+						SampleRate: 44100,
+					}
+					return apiURL, info, nil
 				}
 			}
 		}
@@ -537,22 +587,22 @@ func getDownloadURLSequential(apis []string, trackID int64, quality string) (str
 		errors = append(errors, BuildErrorMessage(apiURL, resp.StatusCode, "no download URL or manifest in response"))
 	}
 
-	return "", "", fmt.Errorf("all %d Tidal APIs failed. Errors: %v", len(apis), errors)
+	return "", TidalDownloadInfo{}, fmt.Errorf("all %d Tidal APIs failed. Errors: %v", len(apis), errors)
 }
 
 // GetDownloadURL gets download URL for a track - tries APIs sequentially
-func (t *TidalDownloader) GetDownloadURL(trackID int64, quality string) (string, error) {
+func (t *TidalDownloader) GetDownloadURL(trackID int64, quality string) (TidalDownloadInfo, error) {
 	apis := t.GetAvailableAPIs()
 	if len(apis) == 0 {
-		return "", fmt.Errorf("no API URL configured")
+		return TidalDownloadInfo{}, fmt.Errorf("no API URL configured")
 	}
 
-	_, downloadURL, err := getDownloadURLSequential(apis, trackID, quality)
+	_, info, err := getDownloadURLSequential(apis, trackID, quality)
 	if err != nil {
-		return "", fmt.Errorf("failed to get download URL: %w", err)
+		return TidalDownloadInfo{}, fmt.Errorf("failed to get download URL: %w", err)
 	}
 
-	return downloadURL, nil
+	return info, nil
 }
 
 // parseManifest parses Tidal manifest (supports both BTS and DASH formats)
@@ -640,16 +690,17 @@ func parseManifest(manifestB64 string) (directURL string, initURL string, mediaU
 
 
 // DownloadFile downloads a file from URL with progress tracking
-func (t *TidalDownloader) DownloadFile(downloadURL, outputPath string) error {
+func (t *TidalDownloader) DownloadFile(downloadURL, outputPath, itemID string) error {
 	// Handle manifest-based download
 	if strings.HasPrefix(downloadURL, "MANIFEST:") {
-		return t.downloadFromManifest(strings.TrimPrefix(downloadURL, "MANIFEST:"), outputPath)
+		return t.downloadFromManifest(strings.TrimPrefix(downloadURL, "MANIFEST:"), outputPath, itemID)
 	}
 
-	// Set current file being downloaded
+	// Initialize item progress (required for all downloads)
-	SetCurrentFile(filepath.Base(outputPath))
+	if itemID != "" {
-	SetDownloading(true)
+		StartItemProgress(itemID)
-	defer SetDownloading(false)
+		defer CompleteItemProgress(itemID)
+	}
 
 	req, err := http.NewRequest("GET", downloadURL, nil)
 	if err != nil {
@@ -667,8 +718,8 @@ func (t *TidalDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 
 	// Set total bytes if available
-	if resp.ContentLength > 0 {
+	if resp.ContentLength > 0 && itemID != "" {
-		SetBytesTotal(resp.ContentLength)
+		SetItemBytesTotal(itemID, resp.ContentLength)
 	}
 
 	out, err := os.Create(outputPath)
@@ -677,13 +728,18 @@ func (t *TidalDownloader) DownloadFile(downloadURL, outputPath string) error {
 	}
 	defer out.Close()
 
-	// Use ProgressWriter for tracking
+	// Use item progress writer
-	progressWriter := NewProgressWriter(out)
+	if itemID != "" {
-	_, err = io.Copy(progressWriter, resp.Body)
+		progressWriter := NewItemProgressWriter(out, itemID)
+		_, err = io.Copy(progressWriter, resp.Body)
+	} else {
+		// Fallback: direct copy without progress tracking
+		_, err = io.Copy(out, resp.Body)
+	}
 	return err
 }
 
-func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath string) error {
+func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath, itemID string) error {
 	directURL, initURL, mediaURLs, err := parseManifest(manifestB64)
 	if err != nil {
 		return fmt.Errorf("failed to parse manifest: %w", err)
@@ -695,10 +751,11 @@ func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath string) e
 
 	// If we have a direct URL (BTS format), download directly with progress tracking
 	if directURL != "" {
-		// Set current file being downloaded
+		// Initialize item progress (required for all downloads)
-		SetCurrentFile(filepath.Base(outputPath))
+		if itemID != "" {
-		SetDownloading(true)
+			StartItemProgress(itemID)
-		defer SetDownloading(false)
+			defer CompleteItemProgress(itemID)
+		}
 
 		req, err := http.NewRequest("GET", directURL, nil)
 		if err != nil {
@@ -716,8 +773,8 @@ func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath string) e
 		}
 
 		// Set total bytes for progress tracking
-		if resp.ContentLength > 0 {
+		if resp.ContentLength > 0 && itemID != "" {
-			SetBytesTotal(resp.ContentLength)
+			SetItemBytesTotal(itemID, resp.ContentLength)
 		}
 
 		out, err := os.Create(outputPath)
@@ -726,9 +783,14 @@ func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath string) e
 		}
 		defer out.Close()
 
-		// Use ProgressWriter for tracking
+		// Use item progress writer
-		progressWriter := NewProgressWriter(out)
+		if itemID != "" {
-		_, err = io.Copy(progressWriter, resp.Body)
+			progressWriter := NewItemProgressWriter(out, itemID)
+			_, err = io.Copy(progressWriter, resp.Body)
+		} else {
+			// Fallback: direct copy without progress tracking
+			_, err = io.Copy(out, resp.Body)
+		}
 		return err
 	}
 
@@ -800,15 +862,83 @@ func (t *TidalDownloader) downloadFromManifest(manifestB64, outputPath string) e
 	return nil
 }
 
+// TidalDownloadResult contains download result with quality info
+type TidalDownloadResult struct {
+	FilePath   string
+	BitDepth   int
+	SampleRate int
+}
+
+// artistsMatch checks if the artist names are similar enough
+func artistsMatch(spotifyArtist, tidalArtist string) bool {
+	normSpotify := strings.ToLower(strings.TrimSpace(spotifyArtist))
+	normTidal := strings.ToLower(strings.TrimSpace(tidalArtist))
+	
+	// Exact match
+	if normSpotify == normTidal {
+		return true
+	}
+	
+	// Check if one contains the other (for cases like "Artist" vs "Artist feat. Someone")
+	if strings.Contains(normSpotify, normTidal) || strings.Contains(normTidal, normSpotify) {
+		return true
+	}
+	
+	// Check first artist (before comma or feat)
+	spotifyFirst := strings.Split(normSpotify, ",")[0]
+	spotifyFirst = strings.Split(spotifyFirst, " feat")[0]
+	spotifyFirst = strings.Split(spotifyFirst, " ft.")[0]
+	spotifyFirst = strings.TrimSpace(spotifyFirst)
+	
+	tidalFirst := strings.Split(normTidal, ",")[0]
+	tidalFirst = strings.Split(tidalFirst, " feat")[0]
+	tidalFirst = strings.Split(tidalFirst, " ft.")[0]
+	tidalFirst = strings.TrimSpace(tidalFirst)
+	
+	if spotifyFirst == tidalFirst {
+		return true
+	}
+	
+	// Check if first artist is contained in the other
+	if strings.Contains(spotifyFirst, tidalFirst) || strings.Contains(tidalFirst, spotifyFirst) {
+		return true
+	}
+	
+	// If scripts are different (one is ASCII, one is non-ASCII like Japanese/Chinese/Korean),
+	// assume they're the same artist with different transliteration
+	// This handles cases like "鈴木雅之" vs "Masayuki Suzuki"
+	spotifyASCII := isASCIIString(spotifyArtist)
+	tidalASCII := isASCIIString(tidalArtist)
+	if spotifyASCII != tidalASCII {
+		fmt.Printf("[Tidal] Artist names in different scripts, assuming match: '%s' vs '%s'\n", spotifyArtist, tidalArtist)
+		return true
+	}
+	
+	return false
+}
+
+// isASCIIString checks if a string contains only ASCII characters
+func isASCIIString(s string) bool {
+	for _, r := range s {
+		if r > 127 {
+			return false
+		}
+	}
+	return true
+}
+
 // downloadFromTidal downloads a track using the request parameters
-func downloadFromTidal(req DownloadRequest) (string, error) {
+func downloadFromTidal(req DownloadRequest) (TidalDownloadResult, error) {
 	downloader := NewTidalDownloader()
 
 	// Check for existing file first
 	if existingFile, exists := checkISRCExistsInternal(req.OutputDir, req.ISRC); exists {
-		return "EXISTS:" + existingFile, nil
+		return TidalDownloadResult{FilePath: "EXISTS:" + existingFile}, nil
 	}
 
+	// Convert expected duration from ms to seconds
+	expectedDurationSec := req.DurationMS / 1000
+
 	var track *TidalTrack
 	var err error
 
@@ -820,28 +950,103 @@ func downloadFromTidal(req DownloadRequest) (string, error) {
 			trackID, idErr := downloader.GetTrackIDFromURL(tidalURL)
 			if idErr == nil {
 				track, err = downloader.GetTrackInfoByID(trackID)
+				if track != nil {
+					// Get artist name from track
+					tidalArtist := track.Artist.Name
+					if len(track.Artists) > 0 {
+						var artistNames []string
+						for _, a := range track.Artists {
+							artistNames = append(artistNames, a.Name)
+						}
+						tidalArtist = strings.Join(artistNames, ", ")
+					}
+					
+					// Verify artist matches
+					if !artistsMatch(req.ArtistName, tidalArtist) {
+						fmt.Printf("[Tidal] Artist mismatch from SongLink: expected '%s', got '%s'. Rejecting.\n", 
+							req.ArtistName, tidalArtist)
+						track = nil
+					}
+					
+					// Verify duration if we have expected duration
+					if track != nil && expectedDurationSec > 0 {
+						durationDiff := track.Duration - expectedDurationSec
+						if durationDiff < 0 {
+							durationDiff = -durationDiff
+						}
+						// Allow 30 seconds tolerance
+						if durationDiff > 30 {
+							fmt.Printf("[Tidal] Duration mismatch from SongLink: expected %ds, got %ds. Rejecting.\n", 
+								expectedDurationSec, track.Duration)
+							track = nil // Reject this match
+						}
+					}
+				}
 			}
 		}
 	}
 
-	// Strategy 2: Search by ISRC with multi-strategy fallback
+	// Strategy 2: Search by ISRC with duration verification
 	if track == nil && req.ISRC != "" {
-		track, err = downloader.SearchTrackByMetadataWithISRC(req.TrackName, req.ArtistName, req.ISRC, 0)
+		track, err = downloader.SearchTrackByMetadataWithISRC(req.TrackName, req.ArtistName, req.ISRC, expectedDurationSec)
+		// Verify artist for ISRC match too
+		if track != nil {
+			tidalArtist := track.Artist.Name
+			if len(track.Artists) > 0 {
+				var artistNames []string
+				for _, a := range track.Artists {
+					artistNames = append(artistNames, a.Name)
+				}
+				tidalArtist = strings.Join(artistNames, ", ")
+			}
+			if !artistsMatch(req.ArtistName, tidalArtist) {
+				fmt.Printf("[Tidal] Artist mismatch from ISRC search: expected '%s', got '%s'. Rejecting.\n", 
+					req.ArtistName, tidalArtist)
+				track = nil
+			}
+		}
 	}
 
 	// Strategy 3: Search by metadata only (no ISRC requirement)
 	if track == nil {
-		track, err = downloader.SearchTrackByMetadata(req.TrackName, req.ArtistName)
+		track, err = downloader.SearchTrackByMetadataWithISRC(req.TrackName, req.ArtistName, "", expectedDurationSec)
+		// Verify artist for metadata search too
+		if track != nil {
+			tidalArtist := track.Artist.Name
+			if len(track.Artists) > 0 {
+				var artistNames []string
+				for _, a := range track.Artists {
+					artistNames = append(artistNames, a.Name)
+				}
+				tidalArtist = strings.Join(artistNames, ", ")
+			}
+			if !artistsMatch(req.ArtistName, tidalArtist) {
+				fmt.Printf("[Tidal] Artist mismatch from metadata search: expected '%s', got '%s'. Rejecting.\n", 
+					req.ArtistName, tidalArtist)
+				track = nil
+			}
+		}
 	}
 
 	if track == nil {
-		errMsg := "could not find track on Tidal"
+		errMsg := "could not find matching track on Tidal (artist/duration mismatch)"
 		if err != nil {
 			errMsg = err.Error()
 		}
-		return "", fmt.Errorf("tidal search failed: %s", errMsg)
+		return TidalDownloadResult{}, fmt.Errorf("tidal search failed: %s", errMsg)
 	}
 
+	// Final verification logging
+	tidalArtist := track.Artist.Name
+	if len(track.Artists) > 0 {
+		var artistNames []string
+		for _, a := range track.Artists {
+			artistNames = append(artistNames, a.Name)
+		}
+		tidalArtist = strings.Join(artistNames, ", ")
+	}
+	fmt.Printf("[Tidal] Match found: '%s' by '%s' (duration: %ds)\n", track.Title, tidalArtist, track.Duration)
+
 	// Build filename
 	filename := buildFilenameFromTemplate(req.FilenameFormat, map[string]interface{}{
 		"title":  req.TrackName,
@@ -856,18 +1061,35 @@ func downloadFromTidal(req DownloadRequest) (string, error) {
 
 	// Check if file already exists
 	if fileInfo, statErr := os.Stat(outputPath); statErr == nil && fileInfo.Size() > 0 {
-		return "EXISTS:" + outputPath, nil
+		return TidalDownloadResult{FilePath: "EXISTS:" + outputPath}, nil
 	}
 
+	// Determine quality to use (default to LOSSLESS if not specified)
+	quality := req.Quality
+	if quality == "" {
+		quality = "LOSSLESS"
+	}
+	fmt.Printf("[Tidal] Using quality: %s\n", quality)
+
 	// Get download URL using parallel API requests
-	downloadURL, err := downloader.GetDownloadURL(track.ID, "LOSSLESS")
+	downloadInfo, err := downloader.GetDownloadURL(track.ID, quality)
 	if err != nil {
-		return "", fmt.Errorf("failed to get download URL: %w", err)
+		return TidalDownloadResult{}, fmt.Errorf("failed to get download URL: %w", err)
 	}
 
-	// Download file
+	// Log actual quality received
-	if err := downloader.DownloadFile(downloadURL, outputPath); err != nil {
+	fmt.Printf("[Tidal] Actual quality: %d-bit/%dHz\n", downloadInfo.BitDepth, downloadInfo.SampleRate)
-		return "", fmt.Errorf("download failed: %w", err)
+
+	// Download file with item ID for progress tracking
+	if err := downloader.DownloadFile(downloadInfo.URL, outputPath, req.ItemID); err != nil {
+		return TidalDownloadResult{}, fmt.Errorf("download failed: %w", err)
+	}
+
+	// Set progress to 100% and status to finalizing (before embedding)
+	// This makes the UI show "Finalizing..." while embedding happens
+	if req.ItemID != "" {
+		SetItemProgress(req.ItemID, 1.0, 0, 0)
+		SetItemFinalizing(req.ItemID)
 	}
 
 	// Check if file was saved as M4A (DASH stream) instead of FLAC
@@ -880,7 +1102,7 @@ func downloadFromTidal(req DownloadRequest) (string, error) {
 		fmt.Printf("[Tidal] File saved as M4A (DASH stream): %s\n", actualOutputPath)
 	} else if _, err := os.Stat(outputPath); err != nil {
 		// Neither FLAC nor M4A exists
-		return "", fmt.Errorf("download completed but file not found at %s or %s", outputPath, m4aPath)
+		return TidalDownloadResult{}, fmt.Errorf("download completed but file not found at %s or %s", outputPath, m4aPath)
 	}
 
 	// Embed metadata
@@ -938,5 +1160,9 @@ func downloadFromTidal(req DownloadRequest) (string, error) {
 		fmt.Printf("[Tidal] Skipping metadata embed for M4A file (will be handled after conversion): %s\n", actualOutputPath)
 	}
 
-	return actualOutputPath, nil
+	return TidalDownloadResult{
+		FilePath:   actualOutputPath,
+		BitDepth:   downloadInfo.BitDepth,
+		SampleRate: downloadInfo.SampleRate,
+	}, nil
 }

ios/Runner/AppDelegate.swift

@@ -66,6 +66,15 @@ import Gobackend  // Import Go framework
             if let error = error { throw error }
             return response
             
+        case "searchSpotifyAll":
+            let args = call.arguments as! [String: Any]
+            let query = args["query"] as! String
+            let trackLimit = args["track_limit"] as? Int ?? 15
+            let artistLimit = args["artist_limit"] as? Int ?? 3
+            let response = GobackendSearchSpotifyAll(query, Int(trackLimit), Int(artistLimit), &error)
+            if let error = error { throw error }
+            return response
+            
         case "checkAvailability":
             let args = call.arguments as! [String: Any]
             let spotifyId = args["spotify_id"] as! String
@@ -90,6 +99,28 @@ import Gobackend  // Import Go framework
             let response = GobackendGetDownloadProgress()
             return response
             
+        case "getAllDownloadProgress":
+            let response = GobackendGetAllDownloadProgress()
+            return response
+            
+        case "initItemProgress":
+            let args = call.arguments as! [String: Any]
+            let itemId = args["item_id"] as! String
+            GobackendInitItemProgress(itemId)
+            return nil
+            
+        case "finishItemProgress":
+            let args = call.arguments as! [String: Any]
+            let itemId = args["item_id"] as! String
+            GobackendFinishItemProgress(itemId)
+            return nil
+            
+        case "clearItemProgress":
+            let args = call.arguments as! [String: Any]
+            let itemId = args["item_id"] as! String
+            GobackendClearItemProgress(itemId)
+            return nil
+            
         case "setDownloadDirectory":
             let args = call.arguments as! [String: Any]
             let path = args["path"] as! String
@@ -133,7 +164,8 @@ import Gobackend  // Import Go framework
             let spotifyId = args["spotify_id"] as! String
             let trackName = args["track_name"] as! String
             let artistName = args["artist_name"] as! String
-            let response = GobackendGetLyricsLRC(spotifyId, trackName, artistName, &error)
+            let filePath = args["file_path"] as? String ?? ""
+            let response = GobackendGetLyricsLRC(spotifyId, trackName, artistName, filePath, &error)
             if let error = error { throw error }
             return response
             
@@ -145,6 +177,10 @@ import Gobackend  // Import Go framework
             if let error = error { throw error }
             return response
             
+        case "cleanupConnections":
+            GobackendCleanupConnections()
+            return nil
+            
         default:
             throw NSError(
                 domain: "SpotiFLAC",

lib/app.dart

@@ -7,10 +7,11 @@ import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/theme/dynamic_color_wrapper.dart';
 
 final _routerProvider = Provider<GoRouter>((ref) {
-  final settings = ref.watch(settingsProvider);
+  // Only watch isFirstLaunch to prevent router rebuild on other settings changes
+  final isFirstLaunch = ref.watch(settingsProvider.select((s) => s.isFirstLaunch));
   
   return GoRouter(
-    initialLocation: settings.isFirstLaunch ? '/setup' : '/',
+    initialLocation: isFirstLaunch ? '/setup' : '/',
     routes: [
       GoRoute(
         path: '/',

lib/constants/app_info.dart

@@ -0,0 +1,18 @@
+/// App version and info constants
+/// Update version here only - all other files will reference this
+class AppInfo {
+  static const String version = '2.0.6';
+  static const String buildNumber = '36';
+  static const String fullVersion = '$version+$buildNumber';
+  
+  
+  static const String appName = 'SpotiFLAC';
+  static const String copyright = '© 2026 SpotiFLAC';
+  
+  static const String mobileAuthor = 'zarzet';
+  static const String originalAuthor = 'afkarxyz';
+  
+  static const String githubRepo = 'zarzet/SpotiFLAC-Mobile';
+  static const String githubUrl = 'https://github.com/$githubRepo';
+  static const String originalGithubUrl = 'https://github.com/afkarxyz/SpotiFLAC';
+}

lib/main.dart

@@ -2,9 +2,18 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:spotiflac_android/app.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/services/notification_service.dart';
+import 'package:spotiflac_android/services/share_intent_service.dart';
 
-void main() {
+void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  
+  // Initialize notification service
+  await NotificationService().initialize();
+  
+  // Initialize share intent service
+  await ShareIntentService().initialize();
+  
   runApp(
     ProviderScope(
       child: const _EagerInitialization(

lib/models/download_item.dart

@@ -7,6 +7,7 @@ part 'download_item.g.dart';
 enum DownloadStatus {
   queued,
   downloading,
+  finalizing, // Embedding metadata, cover, lyrics
   completed,
   failed,
   skipped,
@@ -22,6 +23,7 @@ class DownloadItem {
   final String? filePath;
   final String? error;
   final DateTime createdAt;
+  final String? qualityOverride; // Override quality for this specific download
 
   const DownloadItem({
     required this.id,
@@ -32,6 +34,7 @@ class DownloadItem {
     this.filePath,
     this.error,
     required this.createdAt,
+    this.qualityOverride,
   });
 
   DownloadItem copyWith({
@@ -43,6 +46,7 @@ class DownloadItem {
     String? filePath,
     String? error,
     DateTime? createdAt,
+    String? qualityOverride,
   }) {
     return DownloadItem(
       id: id ?? this.id,
@@ -53,6 +57,7 @@ class DownloadItem {
       filePath: filePath ?? this.filePath,
       error: error ?? this.error,
       createdAt: createdAt ?? this.createdAt,
+      qualityOverride: qualityOverride ?? this.qualityOverride,
     );
   }
 

lib/models/download_item.g.dart

@@ -17,6 +17,7 @@ DownloadItem _$DownloadItemFromJson(Map<String, dynamic> json) => DownloadItem(
   filePath: json['filePath'] as String?,
   error: json['error'] as String?,
   createdAt: DateTime.parse(json['createdAt'] as String),
+  qualityOverride: json['qualityOverride'] as String?,
 );
 
 Map<String, dynamic> _$DownloadItemToJson(DownloadItem instance) =>
@@ -29,11 +30,13 @@ Map<String, dynamic> _$DownloadItemToJson(DownloadItem instance) =>
       'filePath': instance.filePath,
       'error': instance.error,
       'createdAt': instance.createdAt.toIso8601String(),
+      'qualityOverride': instance.qualityOverride,
     };
 
 const _$DownloadStatusEnumMap = {
   DownloadStatus.queued: 'queued',
   DownloadStatus.downloading: 'downloading',
+  DownloadStatus.finalizing: 'finalizing',
   DownloadStatus.completed: 'completed',
   DownloadStatus.failed: 'failed',
   DownloadStatus.skipped: 'skipped',

lib/models/settings.dart

@@ -13,6 +13,14 @@ class AppSettings {
   final bool maxQualityCover;
   final bool isFirstLaunch;
   final int concurrentDownloads; // 1 = sequential (default), max 3
+  final bool checkForUpdates; // Check for updates on app start
+  final bool hasSearchedBefore; // Hide helper text after first search
+  final String folderOrganization; // none, artist, album, artist_album
+  final String historyViewMode; // list, grid
+  final bool askQualityBeforeDownload; // Show quality picker before each download
+  final String spotifyClientId; // Custom Spotify client ID (empty = use default)
+  final String spotifyClientSecret; // Custom Spotify client secret (empty = use default)
+  final bool useCustomSpotifyCredentials; // Whether to use custom credentials (if set)
 
   const AppSettings({
     this.defaultService = 'tidal',
@@ -24,6 +32,14 @@ class AppSettings {
     this.maxQualityCover = true,
     this.isFirstLaunch = true,
     this.concurrentDownloads = 1, // Default: sequential (off)
+    this.checkForUpdates = true, // Default: enabled
+    this.hasSearchedBefore = false, // Default: show helper text
+    this.folderOrganization = 'none', // Default: no folder organization
+    this.historyViewMode = 'grid', // Default: grid view
+    this.askQualityBeforeDownload = true, // Default: ask quality before download
+    this.spotifyClientId = '', // Default: use built-in credentials
+    this.spotifyClientSecret = '', // Default: use built-in credentials
+    this.useCustomSpotifyCredentials = true, // Default: use custom if set
   });
 
   AppSettings copyWith({
@@ -36,6 +52,14 @@ class AppSettings {
     bool? maxQualityCover,
     bool? isFirstLaunch,
     int? concurrentDownloads,
+    bool? checkForUpdates,
+    bool? hasSearchedBefore,
+    String? folderOrganization,
+    String? historyViewMode,
+    bool? askQualityBeforeDownload,
+    String? spotifyClientId,
+    String? spotifyClientSecret,
+    bool? useCustomSpotifyCredentials,
   }) {
     return AppSettings(
       defaultService: defaultService ?? this.defaultService,
@@ -47,6 +71,14 @@ class AppSettings {
       maxQualityCover: maxQualityCover ?? this.maxQualityCover,
       isFirstLaunch: isFirstLaunch ?? this.isFirstLaunch,
       concurrentDownloads: concurrentDownloads ?? this.concurrentDownloads,
+      checkForUpdates: checkForUpdates ?? this.checkForUpdates,
+      hasSearchedBefore: hasSearchedBefore ?? this.hasSearchedBefore,
+      folderOrganization: folderOrganization ?? this.folderOrganization,
+      historyViewMode: historyViewMode ?? this.historyViewMode,
+      askQualityBeforeDownload: askQualityBeforeDownload ?? this.askQualityBeforeDownload,
+      spotifyClientId: spotifyClientId ?? this.spotifyClientId,
+      spotifyClientSecret: spotifyClientSecret ?? this.spotifyClientSecret,
+      useCustomSpotifyCredentials: useCustomSpotifyCredentials ?? this.useCustomSpotifyCredentials,
     );
   }
 

lib/models/settings.g.dart

@@ -16,6 +16,15 @@ AppSettings _$AppSettingsFromJson(Map<String, dynamic> json) => AppSettings(
   maxQualityCover: json['maxQualityCover'] as bool? ?? true,
   isFirstLaunch: json['isFirstLaunch'] as bool? ?? true,
   concurrentDownloads: (json['concurrentDownloads'] as num?)?.toInt() ?? 1,
+  checkForUpdates: json['checkForUpdates'] as bool? ?? true,
+  hasSearchedBefore: json['hasSearchedBefore'] as bool? ?? false,
+  folderOrganization: json['folderOrganization'] as String? ?? 'none',
+  historyViewMode: json['historyViewMode'] as String? ?? 'grid',
+  askQualityBeforeDownload: json['askQualityBeforeDownload'] as bool? ?? true,
+  spotifyClientId: json['spotifyClientId'] as String? ?? '',
+  spotifyClientSecret: json['spotifyClientSecret'] as String? ?? '',
+  useCustomSpotifyCredentials:
+      json['useCustomSpotifyCredentials'] as bool? ?? true,
 );
 
 Map<String, dynamic> _$AppSettingsToJson(AppSettings instance) =>
@@ -29,4 +38,12 @@ Map<String, dynamic> _$AppSettingsToJson(AppSettings instance) =>
       'maxQualityCover': instance.maxQualityCover,
       'isFirstLaunch': instance.isFirstLaunch,
       'concurrentDownloads': instance.concurrentDownloads,
+      'checkForUpdates': instance.checkForUpdates,
+      'hasSearchedBefore': instance.hasSearchedBefore,
+      'folderOrganization': instance.folderOrganization,
+      'historyViewMode': instance.historyViewMode,
+      'askQualityBeforeDownload': instance.askQualityBeforeDownload,
+      'spotifyClientId': instance.spotifyClientId,
+      'spotifyClientSecret': instance.spotifyClientSecret,
+      'useCustomSpotifyCredentials': instance.useCustomSpotifyCredentials,
     };

lib/providers/settings_provider.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:spotiflac_android/models/settings.dart';
+import 'package:spotiflac_android/services/platform_bridge.dart';
 
 const _settingsKey = 'app_settings';
 
@@ -17,6 +18,8 @@ class SettingsNotifier extends Notifier<AppSettings> {
     final json = prefs.getString(_settingsKey);
     if (json != null) {
       state = AppSettings.fromJson(jsonDecode(json));
+      // Apply Spotify credentials to Go backend on load
+      _applySpotifyCredentials();
     }
   }
 
@@ -25,6 +28,22 @@ class SettingsNotifier extends Notifier<AppSettings> {
     await prefs.setString(_settingsKey, jsonEncode(state.toJson()));
   }
 
+  /// Apply current Spotify credentials to Go backend
+  Future<void> _applySpotifyCredentials() async {
+    // Only apply custom credentials if enabled and both fields are set
+    if (state.useCustomSpotifyCredentials && 
+        state.spotifyClientId.isNotEmpty && 
+        state.spotifyClientSecret.isNotEmpty) {
+      await PlatformBridge.setSpotifyCredentials(
+        state.spotifyClientId,
+        state.spotifyClientSecret,
+      );
+    } else {
+      // Clear to use default
+      await PlatformBridge.setSpotifyCredentials('', '');
+    }
+  }
+
   void setDefaultService(String service) {
     state = state.copyWith(defaultService: service);
     _saveSettings();
@@ -71,6 +90,67 @@ class SettingsNotifier extends Notifier<AppSettings> {
     state = state.copyWith(concurrentDownloads: clamped);
     _saveSettings();
   }
+
+  void setCheckForUpdates(bool enabled) {
+    state = state.copyWith(checkForUpdates: enabled);
+    _saveSettings();
+  }
+
+  void setHasSearchedBefore() {
+    if (!state.hasSearchedBefore) {
+      state = state.copyWith(hasSearchedBefore: true);
+      _saveSettings();
+    }
+  }
+
+  void setFolderOrganization(String organization) {
+    state = state.copyWith(folderOrganization: organization);
+    _saveSettings();
+  }
+
+  void setHistoryViewMode(String mode) {
+    state = state.copyWith(historyViewMode: mode);
+    _saveSettings();
+  }
+
+  void setAskQualityBeforeDownload(bool enabled) {
+    state = state.copyWith(askQualityBeforeDownload: enabled);
+    _saveSettings();
+  }
+
+  void setSpotifyClientId(String clientId) {
+    state = state.copyWith(spotifyClientId: clientId);
+    _saveSettings();
+  }
+
+  void setSpotifyClientSecret(String clientSecret) {
+    state = state.copyWith(spotifyClientSecret: clientSecret);
+    _saveSettings();
+  }
+
+  void setSpotifyCredentials(String clientId, String clientSecret) {
+    state = state.copyWith(
+      spotifyClientId: clientId,
+      spotifyClientSecret: clientSecret,
+    );
+    _saveSettings();
+    _applySpotifyCredentials();
+  }
+
+  void clearSpotifyCredentials() {
+    state = state.copyWith(
+      spotifyClientId: '',
+      spotifyClientSecret: '',
+    );
+    _saveSettings();
+    _applySpotifyCredentials();
+  }
+
+  void setUseCustomSpotifyCredentials(bool enabled) {
+    state = state.copyWith(useCustomSpotifyCredentials: enabled);
+    _saveSettings();
+    _applySpotifyCredentials();
+  }
 }
 
 final settingsProvider = NotifierProvider<SettingsNotifier, AppSettings>(

lib/providers/track_provider.dart

@@ -6,72 +6,147 @@ class TrackState {
   final List<Track> tracks;
   final bool isLoading;
   final String? error;
+  final String? albumId;
   final String? albumName;
   final String? playlistName;
+  final String? artistId;
+  final String? artistName;
   final String? coverUrl;
+  final List<ArtistAlbum>? artistAlbums; // For artist page
+  final List<SearchArtist>? searchArtists; // For search results
+  final bool hasSearchText; // For back button handling
 
   const TrackState({
     this.tracks = const [],
     this.isLoading = false,
     this.error,
+    this.albumId,
     this.albumName,
     this.playlistName,
+    this.artistId,
+    this.artistName,
     this.coverUrl,
+    this.artistAlbums,
+    this.searchArtists,
+    this.hasSearchText = false,
   });
 
+  bool get hasContent => tracks.isNotEmpty || artistAlbums != null || (searchArtists != null && searchArtists!.isNotEmpty);
+
   TrackState copyWith({
     List<Track>? tracks,
     bool? isLoading,
     String? error,
+    String? albumId,
     String? albumName,
     String? playlistName,
+    String? artistId,
+    String? artistName,
     String? coverUrl,
+    List<ArtistAlbum>? artistAlbums,
+    List<SearchArtist>? searchArtists,
+    bool? hasSearchText,
   }) {
     return TrackState(
       tracks: tracks ?? this.tracks,
       isLoading: isLoading ?? this.isLoading,
       error: error,
+      albumId: albumId ?? this.albumId,
       albumName: albumName ?? this.albumName,
       playlistName: playlistName ?? this.playlistName,
+      artistId: artistId ?? this.artistId,
+      artistName: artistName ?? this.artistName,
       coverUrl: coverUrl ?? this.coverUrl,
+      artistAlbums: artistAlbums ?? this.artistAlbums,
+      searchArtists: searchArtists ?? this.searchArtists,
+      hasSearchText: hasSearchText ?? this.hasSearchText,
     );
   }
 }
 
+/// Represents an album in artist discography
+class ArtistAlbum {
+  final String id;
+  final String name;
+  final String releaseDate;
+  final int totalTracks;
+  final String? coverUrl;
+  final String albumType; // album, single, compilation
+  final String artists;
+
+  const ArtistAlbum({
+    required this.id,
+    required this.name,
+    required this.releaseDate,
+    required this.totalTracks,
+    this.coverUrl,
+    required this.albumType,
+    required this.artists,
+  });
+}
+
+/// Represents an artist in search results
+class SearchArtist {
+  final String id;
+  final String name;
+  final String? imageUrl;
+  final int followers;
+  final int popularity;
+
+  const SearchArtist({
+    required this.id,
+    required this.name,
+    this.imageUrl,
+    required this.followers,
+    required this.popularity,
+  });
+}
+
 class TrackNotifier extends Notifier<TrackState> {
+  /// Request ID to track and cancel outdated requests
+  int _currentRequestId = 0;
+
   @override
   TrackState build() {
     return const TrackState();
   }
 
+  /// Check if request is still valid (not cancelled by newer request)
+  bool _isRequestValid(int requestId) => requestId == _currentRequestId;
+
   Future<void> fetchFromUrl(String url) async {
-    state = state.copyWith(isLoading: true, error: null);
+    // Increment request ID to cancel any pending requests
+    final requestId = ++_currentRequestId;
+
+    // Preserve hasSearchText during fetch
+    state = TrackState(isLoading: true, hasSearchText: state.hasSearchText);
 
     try {
       final parsed = await PlatformBridge.parseSpotifyUrl(url);
+      if (!_isRequestValid(requestId)) return; // Request cancelled
+      
       final type = parsed['type'] as String;
 
       final metadata = await PlatformBridge.getSpotifyMetadata(url);
+      if (!_isRequestValid(requestId)) return; // Request cancelled
 
       if (type == 'track') {
         final trackData = metadata['track'] as Map<String, dynamic>;
         final track = _parseTrack(trackData);
-        state = state.copyWith(
+        state = TrackState(
           tracks: [track],
           isLoading: false,
-          albumName: null,
-          playlistName: null,
           coverUrl: track.coverUrl,
         );
       } else if (type == 'album') {
         final albumInfo = metadata['album_info'] as Map<String, dynamic>;
         final trackList = metadata['track_list'] as List<dynamic>;
         final tracks = trackList.map((t) => _parseTrack(t as Map<String, dynamic>)).toList();
-        state = state.copyWith(
+        state = TrackState(
           tracks: tracks,
           isLoading: false,
+          albumId: parsed['id'] as String?,
           albumName: albumInfo['name'] as String?,
-          playlistName: null,
           coverUrl: albumInfo['images'] as String?,
         );
       } else if (type == 'playlist') {
@@ -79,34 +154,59 @@ class TrackNotifier extends Notifier<TrackState> {
         final trackList = metadata['track_list'] as List<dynamic>;
         final tracks = trackList.map((t) => _parseTrack(t as Map<String, dynamic>)).toList();
         final owner = playlistInfo['owner'] as Map<String, dynamic>?;
-        state = state.copyWith(
+        state = TrackState(
           tracks: tracks,
           isLoading: false,
-          albumName: null,
           playlistName: owner?['name'] as String?,
           coverUrl: owner?['images'] as String?,
         );
+      } else if (type == 'artist') {
+        final artistInfo = metadata['artist_info'] as Map<String, dynamic>;
+        final albumsList = metadata['albums'] as List<dynamic>;
+        final albums = albumsList.map((a) => _parseArtistAlbum(a as Map<String, dynamic>)).toList();
+        state = TrackState(
+          tracks: [], // No tracks for artist view
+          isLoading: false,
+          artistId: artistInfo['id'] as String?,
+          artistName: artistInfo['name'] as String?,
+          coverUrl: artistInfo['images'] as String?,
+          artistAlbums: albums,
+        );
       }
     } catch (e) {
-      state = state.copyWith(isLoading: false, error: e.toString());
+      if (!_isRequestValid(requestId)) return; // Request cancelled
+      // Preserve hasSearchText on error so user stays on search screen
+      state = TrackState(isLoading: false, error: e.toString(), hasSearchText: state.hasSearchText);
     }
   }
 
   Future<void> search(String query) async {
-    state = state.copyWith(isLoading: true, error: null);
+    // Increment request ID to cancel any pending requests
+    final requestId = ++_currentRequestId;
+
+    // Preserve hasSearchText during search
+    state = TrackState(isLoading: true, hasSearchText: state.hasSearchText);
 
     try {
-      final results = await PlatformBridge.searchSpotify(query, limit: 20);
+      final results = await PlatformBridge.searchSpotifyAll(query, trackLimit: 20, artistLimit: 5);
+      if (!_isRequestValid(requestId)) return; // Request cancelled
+      
       final trackList = results['tracks'] as List<dynamic>? ?? [];
+      final artistList = results['artists'] as List<dynamic>? ?? [];
+      
       final tracks = trackList.map((t) => _parseSearchTrack(t as Map<String, dynamic>)).toList();
-      state = state.copyWith(
+      final artists = artistList.map((a) => _parseSearchArtist(a as Map<String, dynamic>)).toList();
+      
+      state = TrackState(
         tracks: tracks,
+        searchArtists: artists,
         isLoading: false,
-        albumName: null,
+        hasSearchText: state.hasSearchText,
-        playlistName: null,
       );
     } catch (e) {
-      state = state.copyWith(isLoading: false, error: e.toString());
+      if (!_isRequestValid(requestId)) return; // Request cancelled
+      // Preserve hasSearchText on error so user stays on search screen
+      state = TrackState(isLoading: false, error: e.toString(), hasSearchText: state.hasSearchText);
     }
   }
 
@@ -152,6 +252,11 @@ class TrackNotifier extends Notifier<TrackState> {
     state = const TrackState();
   }
 
+  /// Set search text state for back button handling
+  void setSearchText(bool hasText) {
+    state = state.copyWith(hasSearchText: hasText);
+  }
+
   Track _parseTrack(Map<String, dynamic> data) {
     return Track(
       id: data['spotify_id'] as String? ?? '',
@@ -161,7 +266,7 @@ class TrackNotifier extends Notifier<TrackState> {
       albumArtist: data['album_artist'] as String?,
       coverUrl: data['images'] as String?,
       isrc: data['isrc'] as String?,
-      duration: data['duration_ms'] as int? ?? 0,
+      duration: ((data['duration_ms'] as int? ?? 0) / 1000).round(),
       trackNumber: data['track_number'] as int?,
       discNumber: data['disc_number'] as int?,
       releaseDate: data['release_date'] as String?,
@@ -177,12 +282,34 @@ class TrackNotifier extends Notifier<TrackState> {
       albumArtist: data['album_artist'] as String?,
       coverUrl: data['images'] as String?,
       isrc: data['isrc'] as String?,
-      duration: data['duration_ms'] as int? ?? 0,
+      duration: ((data['duration_ms'] as int? ?? 0) / 1000).round(),
       trackNumber: data['track_number'] as int?,
       discNumber: data['disc_number'] as int?,
       releaseDate: data['release_date'] as String?,
     );
   }
+
+  ArtistAlbum _parseArtistAlbum(Map<String, dynamic> data) {
+    return ArtistAlbum(
+      id: data['id'] as String? ?? '',
+      name: data['name'] as String? ?? '',
+      releaseDate: data['release_date'] as String? ?? '',
+      totalTracks: data['total_tracks'] as int? ?? 0,
+      coverUrl: data['images'] as String?,
+      albumType: data['album_type'] as String? ?? 'album',
+      artists: data['artists'] as String? ?? '',
+    );
+  }
+
+  SearchArtist _parseSearchArtist(Map<String, dynamic> data) {
+    return SearchArtist(
+      id: data['id'] as String? ?? '',
+      name: data['name'] as String? ?? '',
+      imageUrl: data['images'] as String?,
+      followers: data['followers'] as int? ?? 0,
+      popularity: data['popularity'] as int? ?? 0,
+    );
+  }
 }
 
 final trackProvider = NotifierProvider<TrackNotifier, TrackState>(

lib/screens/album_screen.dart

@@ -0,0 +1,665 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:spotiflac_android/models/track.dart';
+import 'package:spotiflac_android/models/download_item.dart';
+import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/services/platform_bridge.dart';
+
+/// Simple in-memory cache for album tracks
+class _AlbumCache {
+  static final Map<String, _CacheEntry> _cache = {};
+  static const Duration _ttl = Duration(minutes: 10);
+
+  static List<Track>? get(String albumId) {
+    final entry = _cache[albumId];
+    if (entry == null) return null;
+    if (DateTime.now().isAfter(entry.expiresAt)) {
+      _cache.remove(albumId);
+      return null;
+    }
+    return entry.tracks;
+  }
+
+  static void set(String albumId, List<Track> tracks) {
+    _cache[albumId] = _CacheEntry(tracks, DateTime.now().add(_ttl));
+  }
+}
+
+class _CacheEntry {
+  final List<Track> tracks;
+  final DateTime expiresAt;
+  _CacheEntry(this.tracks, this.expiresAt);
+}
+
+/// Album detail screen with Material Expressive 3 design
+class AlbumScreen extends ConsumerStatefulWidget {
+  final String albumId;
+  final String albumName;
+  final String? coverUrl;
+  final List<Track>? tracks; // Optional - will fetch if null
+
+  const AlbumScreen({
+    super.key,
+    required this.albumId,
+    required this.albumName,
+    this.coverUrl,
+    this.tracks,
+  });
+
+  @override
+  ConsumerState<AlbumScreen> createState() => _AlbumScreenState();
+}
+
+class _AlbumScreenState extends ConsumerState<AlbumScreen> {
+  List<Track>? _tracks;
+  bool _isLoading = false;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    // Priority: widget.tracks > cache > fetch
+    _tracks = widget.tracks ?? _AlbumCache.get(widget.albumId);
+    if (_tracks == null) {
+      _fetchTracks();
+    }
+  }
+
+  Future<void> _fetchTracks() async {
+    setState(() => _isLoading = true);
+    try {
+      final url = 'https://open.spotify.com/album/${widget.albumId}';
+      final metadata = await PlatformBridge.getSpotifyMetadata(url);
+      final trackList = metadata['track_list'] as List<dynamic>;
+      final tracks = trackList.map((t) => _parseTrack(t as Map<String, dynamic>)).toList();
+      
+      // Store in cache
+      _AlbumCache.set(widget.albumId, tracks);
+      
+      if (mounted) {
+        setState(() {
+          _tracks = tracks;
+          _isLoading = false;
+        });
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _error = e.toString();
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  Track _parseTrack(Map<String, dynamic> data) {
+    return Track(
+      id: data['spotify_id'] as String? ?? '',
+      name: data['name'] as String? ?? '',
+      artistName: data['artists'] as String? ?? '',
+      albumName: data['album_name'] as String? ?? '',
+      albumArtist: data['album_artist'] as String?,
+      coverUrl: data['images'] as String?,
+      isrc: data['isrc'] as String?,
+      duration: ((data['duration_ms'] as int? ?? 0) / 1000).round(),
+      trackNumber: data['track_number'] as int?,
+      discNumber: data['disc_number'] as int?,
+      releaseDate: data['release_date'] as String?,
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final tracks = _tracks ?? [];
+
+    return Scaffold(
+      body: CustomScrollView(
+        slivers: [
+          _buildAppBar(context, colorScheme),
+          _buildInfoCard(context, colorScheme),
+          if (_isLoading)
+            const SliverToBoxAdapter(child: Padding(
+              padding: EdgeInsets.all(32),
+              child: Center(child: CircularProgressIndicator()),
+            )),
+            if (_error != null)
+            SliverToBoxAdapter(child: Padding(
+              padding: const EdgeInsets.all(16),
+              child: _buildErrorWidget(_error!, colorScheme),
+            )),
+          if (!_isLoading && _error == null && tracks.isNotEmpty) ...[
+            _buildTrackListHeader(context, colorScheme),
+            _buildTrackList(context, colorScheme, tracks),
+          ],
+          const SliverToBoxAdapter(child: SizedBox(height: 32)),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAppBar(BuildContext context, ColorScheme colorScheme) {
+    return SliverAppBar(
+      expandedHeight: 280,
+      pinned: true,
+      stretch: true,
+      backgroundColor: colorScheme.surface,
+      surfaceTintColor: Colors.transparent,
+      flexibleSpace: FlexibleSpaceBar(
+        background: Stack(
+          fit: StackFit.expand,
+          children: [
+            if (widget.coverUrl != null)
+              CachedNetworkImage(
+                imageUrl: widget.coverUrl!,
+                fit: BoxFit.cover,
+                color: Colors.black.withValues(alpha: 0.5),
+                colorBlendMode: BlendMode.darken,
+                memCacheWidth: 600,
+              ),
+            Container(
+              decoration: BoxDecoration(
+                gradient: LinearGradient(
+                  begin: Alignment.topCenter,
+                  end: Alignment.bottomCenter,
+                  colors: [
+                    Colors.transparent,
+                    colorScheme.surface.withValues(alpha: 0.8),
+                    colorScheme.surface,
+                  ],
+                  stops: const [0.0, 0.7, 1.0],
+                ),
+              ),
+            ),
+            Center(
+              child: Padding(
+                padding: const EdgeInsets.only(top: 60),
+                child: Container(
+                  width: 140,
+                  height: 140,
+                  decoration: BoxDecoration(
+                    borderRadius: BorderRadius.circular(16),
+                    boxShadow: [
+                      BoxShadow(
+                        color: Colors.black.withValues(alpha: 0.3),
+                        blurRadius: 20,
+                        offset: const Offset(0, 10),
+                      ),
+                    ],
+                  ),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(16),
+                    child: widget.coverUrl != null
+                        ? CachedNetworkImage(imageUrl: widget.coverUrl!, fit: BoxFit.cover, memCacheWidth: 280)
+                        : Container(
+                            color: colorScheme.surfaceContainerHighest,
+                            child: Icon(Icons.album, size: 48, color: colorScheme.onSurfaceVariant),
+                          ),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+        stretchModes: const [StretchMode.zoomBackground, StretchMode.blurBackground],
+      ),
+      leading: IconButton(
+        icon: Container(
+          padding: const EdgeInsets.all(8),
+          decoration: BoxDecoration(color: colorScheme.surface.withValues(alpha: 0.8), shape: BoxShape.circle),
+          child: Icon(Icons.arrow_back, color: colorScheme.onSurface),
+        ),
+        onPressed: () => Navigator.pop(context),
+      ),
+    );
+  }
+
+  Widget _buildInfoCard(BuildContext context, ColorScheme colorScheme) {
+    final tracks = _tracks ?? [];
+    return SliverToBoxAdapter(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Card(
+          elevation: 0,
+          color: colorScheme.surfaceContainerLow,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+          child: Padding(
+            padding: const EdgeInsets.all(20),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  widget.albumName,
+                  style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: colorScheme.onSurface),
+                ),
+                const SizedBox(height: 8),
+                if (tracks.isNotEmpty)
+                  Container(
+                    padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+                    decoration: BoxDecoration(color: colorScheme.secondaryContainer, borderRadius: BorderRadius.circular(20)),
+                    child: Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        Icon(Icons.music_note, size: 14, color: colorScheme.onSecondaryContainer),
+                        const SizedBox(width: 4),
+                        Text('${tracks.length} tracks', style: TextStyle(color: colorScheme.onSecondaryContainer, fontWeight: FontWeight.w600, fontSize: 12)),
+                      ],
+                    ),
+                  ),
+                if (tracks.isNotEmpty) ...[
+                  const SizedBox(height: 16),
+                  FilledButton.icon(
+                    onPressed: () => _downloadAll(context),
+                    icon: const Icon(Icons.download),
+                    label: Text('Download All (${tracks.length})'),
+                    style: FilledButton.styleFrom(minimumSize: const Size.fromHeight(52), shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16))),
+                  ),
+                ],
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTrackListHeader(BuildContext context, ColorScheme colorScheme) {
+    return SliverToBoxAdapter(
+      child: Padding(
+        padding: const EdgeInsets.fromLTRB(20, 8, 20, 8),
+        child: Row(
+          children: [
+            Icon(Icons.queue_music, size: 20, color: colorScheme.primary),
+            const SizedBox(width: 8),
+            Text('Tracks', style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600, color: colorScheme.onSurface)),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTrackList(BuildContext context, ColorScheme colorScheme, List<Track> tracks) {
+    return SliverList(
+      delegate: SliverChildBuilderDelegate(
+        (context, index) {
+          final track = tracks[index];
+          return KeyedSubtree(
+            key: ValueKey(track.id),
+            child: _AlbumTrackItem(
+              track: track,
+              onDownload: () => _downloadTrack(context, track),
+            ),
+          );
+        },
+        childCount: tracks.length,
+      ),
+    );
+  }
+
+  void _downloadTrack(BuildContext context, Track track) {
+    final settings = ref.read(settingsProvider);
+    if (settings.askQualityBeforeDownload) {
+      _showQualityPicker(context, (quality) {
+        ref.read(downloadQueueProvider.notifier).addToQueue(track, settings.defaultService, qualityOverride: quality);
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added "${track.name}" to queue')));
+      }, trackName: track.name, artistName: track.artistName, coverUrl: track.coverUrl);
+    } else {
+      ref.read(downloadQueueProvider.notifier).addToQueue(track, settings.defaultService);
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added "${track.name}" to queue')));
+    }
+  }
+
+  void _downloadAll(BuildContext context) {
+    final tracks = _tracks;
+    if (tracks == null || tracks.isEmpty) return;
+    final settings = ref.read(settingsProvider);
+    if (settings.askQualityBeforeDownload) {
+      _showQualityPicker(context, (quality) {
+        ref.read(downloadQueueProvider.notifier).addMultipleToQueue(tracks, settings.defaultService, qualityOverride: quality);
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added ${tracks.length} tracks to queue')));
+      }, trackName: '${tracks.length} tracks', artistName: widget.albumName);
+    } else {
+      ref.read(downloadQueueProvider.notifier).addMultipleToQueue(tracks, settings.defaultService);
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added ${tracks.length} tracks to queue')));
+    }
+  }
+
+  void _showQualityPicker(BuildContext context, void Function(String quality) onSelect, {String? trackName, String? artistName, String? coverUrl}) {
+    final colorScheme = Theme.of(context).colorScheme;
+    showModalBottomSheet(
+      context: context,
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(28))),
+      builder: (context) => SafeArea(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            if (trackName != null) ...[
+              _TrackInfoHeader(trackName: trackName, artistName: artistName, coverUrl: coverUrl),
+              Divider(height: 1, color: colorScheme.outlineVariant.withValues(alpha: 0.5)),
+            ] else ...[
+              const SizedBox(height: 8),
+              Center(child: Container(width: 40, height: 4, decoration: BoxDecoration(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4), borderRadius: BorderRadius.circular(2)))),
+            ],
+            Padding(
+              padding: const EdgeInsets.fromLTRB(24, 16, 24, 8),
+              child: Text('Select Quality', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold)),
+            ),
+            // Disclaimer
+            Padding(
+              padding: const EdgeInsets.fromLTRB(24, 0, 24, 12),
+              child: Text(
+                'Actual quality depends on track availability. Hi-Res may not be available for all tracks.',
+                style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                  color: colorScheme.onSurfaceVariant,
+                  fontStyle: FontStyle.italic,
+                ),
+              ),
+            ),
+            _QualityOption(title: 'FLAC Lossless', subtitle: '16-bit / 44.1kHz', icon: Icons.music_note, onTap: () { Navigator.pop(context); onSelect('LOSSLESS'); }),
+            _QualityOption(title: 'Hi-Res FLAC', subtitle: '24-bit / up to 96kHz', icon: Icons.high_quality, onTap: () { Navigator.pop(context); onSelect('HI_RES'); }),
+            _QualityOption(title: 'Hi-Res FLAC Max', subtitle: '24-bit / up to 192kHz', icon: Icons.four_k, onTap: () { Navigator.pop(context); onSelect('HI_RES_LOSSLESS'); }),
+            const SizedBox(height: 16),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// Build error widget with special handling for rate limit (429)
+  Widget _buildErrorWidget(String error, ColorScheme colorScheme) {
+    final isRateLimit = error.contains('429') || 
+                        error.toLowerCase().contains('rate limit') ||
+                        error.toLowerCase().contains('too many requests');
+    
+    if (isRateLimit) {
+      return Card(
+        elevation: 0,
+        color: colorScheme.errorContainer,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Row(
+            children: [
+              Icon(Icons.timer_off, color: colorScheme.onErrorContainer),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      'Rate Limited',
+                      style: TextStyle(
+                        color: colorScheme.onErrorContainer,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    const SizedBox(height: 4),
+                    Text(
+                      'Too many requests. Please wait a moment and try again.',
+                      style: TextStyle(
+                        color: colorScheme.onErrorContainer,
+                        fontSize: 12,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        ),
+      );
+    }
+    
+    // Default error display
+    return Card(
+      elevation: 0,
+      color: colorScheme.errorContainer.withValues(alpha: 0.5),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Row(
+          children: [
+            Icon(Icons.error_outline, color: colorScheme.error),
+            const SizedBox(width: 12),
+            Expanded(child: Text(error, style: TextStyle(color: colorScheme.error))),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _QualityOption extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final IconData icon;
+  final VoidCallback onTap;
+
+  const _QualityOption({required this.title, required this.subtitle, required this.icon, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return ListTile(
+      contentPadding: const EdgeInsets.symmetric(horizontal: 24, vertical: 4),
+      leading: Container(padding: const EdgeInsets.all(10), decoration: BoxDecoration(color: colorScheme.primaryContainer, borderRadius: BorderRadius.circular(12)), child: Icon(icon, color: colorScheme.onPrimaryContainer, size: 20)),
+      title: Text(title, style: const TextStyle(fontWeight: FontWeight.w500)),
+      subtitle: Text(subtitle, style: TextStyle(color: colorScheme.onSurfaceVariant)),
+      onTap: onTap,
+    );
+  }
+}
+
+class _TrackInfoHeader extends StatefulWidget {
+  final String trackName;
+  final String? artistName;
+  final String? coverUrl;
+  const _TrackInfoHeader({required this.trackName, this.artistName, this.coverUrl});
+
+  @override
+  State<_TrackInfoHeader> createState() => _TrackInfoHeaderState();
+}
+
+class _TrackInfoHeaderState extends State<_TrackInfoHeader> {
+  bool _expanded = false;
+  bool _isOverflowing = false;
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: _isOverflowing ? () => setState(() => _expanded = !_expanded) : null,
+        borderRadius: const BorderRadius.only(topLeft: Radius.circular(28), topRight: Radius.circular(28)),
+        child: Column(
+          children: [
+            const SizedBox(height: 8),
+            Container(width: 40, height: 4, decoration: BoxDecoration(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4), borderRadius: BorderRadius.circular(2))),
+            Padding(
+              padding: const EdgeInsets.fromLTRB(16, 12, 16, 12),
+              child: Row(
+                children: [
+                  ClipRRect(
+                    borderRadius: BorderRadius.circular(8),
+                    child: widget.coverUrl != null
+                        ? Image.network(widget.coverUrl!, width: 56, height: 56, fit: BoxFit.cover,
+                            errorBuilder: (_, e, s) => Container(width: 56, height: 56, color: colorScheme.surfaceContainerHighest, child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)))
+                        : Container(width: 56, height: 56, color: colorScheme.surfaceContainerHighest, child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)),
+                  ),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: LayoutBuilder(
+                      builder: (context, constraints) {
+                        final titleStyle = Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600);
+                        final titleSpan = TextSpan(text: widget.trackName, style: titleStyle);
+                        final titlePainter = TextPainter(text: titleSpan, maxLines: 1, textDirection: TextDirection.ltr)..layout(maxWidth: constraints.maxWidth);
+                        final titleOverflows = titlePainter.didExceedMaxLines;
+                        
+                        WidgetsBinding.instance.addPostFrameCallback((_) {
+                          if (mounted && _isOverflowing != titleOverflows) {
+                            setState(() => _isOverflowing = titleOverflows);
+                          }
+                        });
+                        
+                        return Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              widget.trackName,
+                              style: titleStyle,
+                              maxLines: _expanded ? 10 : 1,
+                              overflow: _expanded ? TextOverflow.visible : TextOverflow.ellipsis,
+                            ),
+                            if (widget.artistName != null) ...[
+                              const SizedBox(height: 2),
+                              Text(
+                                widget.artistName!,
+                                style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
+                                maxLines: _expanded ? 3 : 1,
+                                overflow: _expanded ? TextOverflow.visible : TextOverflow.ellipsis,
+                              ),
+                            ],
+                          ],
+                        );
+                      },
+                    ),
+                  ),
+                  if (_isOverflowing || _expanded)
+                    Icon(_expanded ? Icons.expand_less : Icons.expand_more, color: colorScheme.onSurfaceVariant, size: 20),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Separate Consumer widget for each track - only rebuilds when this specific track's status changes
+class _AlbumTrackItem extends ConsumerWidget {
+  final Track track;
+  final VoidCallback onDownload;
+
+  const _AlbumTrackItem({required this.track, required this.onDownload});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colorScheme = Theme.of(context).colorScheme;
+    
+    // Only watch the specific item for this track
+    final queueItem = ref.watch(downloadQueueProvider.select((state) {
+      return state.items.where((item) => item.track.id == track.id).firstOrNull;
+    }));
+    
+    // Check if track is in history (already downloaded before)
+    final isInHistory = ref.watch(downloadHistoryProvider.select((state) {
+      return state.isDownloaded(track.id);
+    }));
+    
+    final isQueued = queueItem != null;
+    final isDownloading = queueItem?.status == DownloadStatus.downloading;
+    final isFinalizing = queueItem?.status == DownloadStatus.finalizing;
+    final isCompleted = queueItem?.status == DownloadStatus.completed;
+    final progress = queueItem?.progress ?? 0.0;
+    
+    // Show as downloaded if in queue completed OR in history
+    final showAsDownloaded = isCompleted || (!isQueued && isInHistory);
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 8),
+      child: Card(
+        elevation: 0,
+        color: Colors.transparent,
+        margin: const EdgeInsets.symmetric(vertical: 2),
+        child: ListTile(
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          leading: track.coverUrl != null
+              ? ClipRRect(borderRadius: BorderRadius.circular(8), child: CachedNetworkImage(imageUrl: track.coverUrl!, width: 48, height: 48, fit: BoxFit.cover, memCacheWidth: 96))
+              : Container(width: 48, height: 48, decoration: BoxDecoration(color: colorScheme.surfaceContainerHighest, borderRadius: BorderRadius.circular(8)), child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)),
+          title: Text(track.name, maxLines: 1, overflow: TextOverflow.ellipsis, style: Theme.of(context).textTheme.bodyLarge?.copyWith(fontWeight: FontWeight.w500)),
+          subtitle: Text(track.artistName, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(color: colorScheme.onSurfaceVariant)),
+          trailing: _buildDownloadButton(context, ref, colorScheme, isQueued: isQueued, isDownloading: isDownloading, isFinalizing: isFinalizing, showAsDownloaded: showAsDownloaded, isInHistory: isInHistory, progress: progress),
+          onTap: () => _handleTap(context, ref, isQueued: isQueued, isInHistory: isInHistory),
+        ),
+      ),
+    );
+  }
+
+  void _handleTap(BuildContext context, WidgetRef ref, {required bool isQueued, required bool isInHistory}) async {
+    if (isQueued) return;
+    
+    if (isInHistory) {
+      final historyItem = ref.read(downloadHistoryProvider.notifier).getBySpotifyId(track.id);
+      if (historyItem != null) {
+        final fileExists = await File(historyItem.filePath).exists();
+        if (fileExists) {
+          if (context.mounted) {
+            ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('"${track.name}" already downloaded')));
+          }
+          return;
+        } else {
+          ref.read(downloadHistoryProvider.notifier).removeBySpotifyId(track.id);
+        }
+      }
+    }
+    
+    onDownload();
+  }
+
+  Widget _buildDownloadButton(BuildContext context, WidgetRef ref, ColorScheme colorScheme, {
+    required bool isQueued,
+    required bool isDownloading,
+    required bool isFinalizing,
+    required bool showAsDownloaded,
+    required bool isInHistory,
+    required double progress,
+  }) {
+    const double size = 44.0;
+    const double iconSize = 20.0;
+    
+    if (showAsDownloaded) {
+      return GestureDetector(
+        onTap: () => _handleTap(context, ref, isQueued: isQueued, isInHistory: isInHistory),
+        child: Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.primaryContainer, shape: BoxShape.circle), child: Icon(Icons.check, color: colorScheme.onPrimaryContainer, size: iconSize)),
+      );
+    } else if (isFinalizing) {
+      return SizedBox(
+        width: size,
+        height: size,
+        child: Stack(
+          alignment: Alignment.center,
+          children: [
+            CircularProgressIndicator(strokeWidth: 3, color: colorScheme.tertiary, backgroundColor: colorScheme.surfaceContainerHighest),
+            Icon(Icons.edit_note, color: colorScheme.tertiary, size: 16),
+          ],
+        ),
+      );
+    } else if (isDownloading) {
+      return SizedBox(
+        width: size,
+        height: size,
+        child: Stack(
+          alignment: Alignment.center,
+          children: [
+            CircularProgressIndicator(value: progress > 0 ? progress : null, strokeWidth: 3, color: colorScheme.primary, backgroundColor: colorScheme.surfaceContainerHighest),
+            if (progress > 0) Text('${(progress * 100).toInt()}', style: TextStyle(fontSize: 10, fontWeight: FontWeight.bold, color: colorScheme.primary)),
+          ],
+        ),
+      );
+    } else if (isQueued) {
+      return Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.surfaceContainerHighest, shape: BoxShape.circle), child: Icon(Icons.hourglass_empty, color: colorScheme.onSurfaceVariant, size: iconSize));
+    } else {
+      return GestureDetector(
+        onTap: onDownload,
+        child: Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.secondaryContainer, shape: BoxShape.circle), child: Icon(Icons.download, color: colorScheme.onSecondaryContainer, size: iconSize)),
+      );
+    }
+  }
+}

lib/screens/artist_screen.dart

@@ -0,0 +1,384 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:spotiflac_android/providers/track_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/services/platform_bridge.dart';
+import 'package:spotiflac_android/screens/album_screen.dart';
+
+/// Simple in-memory cache for artist discography
+class _ArtistCache {
+  static final Map<String, _CacheEntry> _cache = {};
+  static const Duration _ttl = Duration(minutes: 10);
+
+  static List<ArtistAlbum>? get(String artistId) {
+    final entry = _cache[artistId];
+    if (entry == null) return null;
+    if (DateTime.now().isAfter(entry.expiresAt)) {
+      _cache.remove(artistId);
+      return null;
+    }
+    return entry.albums;
+  }
+
+  static void set(String artistId, List<ArtistAlbum> albums) {
+    _cache[artistId] = _CacheEntry(albums, DateTime.now().add(_ttl));
+  }
+}
+
+class _CacheEntry {
+  final List<ArtistAlbum> albums;
+  final DateTime expiresAt;
+  _CacheEntry(this.albums, this.expiresAt);
+}
+
+/// Artist screen with Material Expressive 3 design - shows discography
+class ArtistScreen extends ConsumerStatefulWidget {
+  final String artistId;
+  final String artistName;
+  final String? coverUrl;
+  final List<ArtistAlbum>? albums; // Optional - will fetch if null
+
+  const ArtistScreen({
+    super.key,
+    required this.artistId,
+    required this.artistName,
+    this.coverUrl,
+    this.albums,
+  });
+
+  @override
+  ConsumerState<ArtistScreen> createState() => _ArtistScreenState();
+}
+
+class _ArtistScreenState extends ConsumerState<ArtistScreen> {
+  bool _isLoadingDiscography = false;
+  List<ArtistAlbum>? _albums;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    // Priority: widget.albums > cache > fetch
+    _albums = widget.albums ?? _ArtistCache.get(widget.artistId);
+    if (_albums == null) {
+      _fetchDiscography();
+    }
+  }
+
+  Future<void> _fetchDiscography() async {
+    setState(() => _isLoadingDiscography = true);
+    try {
+      final url = 'https://open.spotify.com/artist/${widget.artistId}';
+      final metadata = await PlatformBridge.getSpotifyMetadata(url);
+      final albumsList = metadata['albums'] as List<dynamic>;
+      final albums = albumsList.map((a) => _parseArtistAlbum(a as Map<String, dynamic>)).toList();
+      
+      // Store in cache
+      _ArtistCache.set(widget.artistId, albums);
+      
+      if (mounted) {
+        setState(() {
+          _albums = albums;
+          _isLoadingDiscography = false;
+        });
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _error = e.toString();
+          _isLoadingDiscography = false;
+        });
+      }
+    }
+  }
+
+  ArtistAlbum _parseArtistAlbum(Map<String, dynamic> data) {
+    return ArtistAlbum(
+      id: data['id'] as String? ?? '',
+      name: data['name'] as String? ?? '',
+      releaseDate: data['release_date'] as String? ?? '',
+      totalTracks: data['total_tracks'] as int? ?? 0,
+      coverUrl: data['images'] as String?,
+      albumType: data['album_type'] as String? ?? 'album',
+      artists: data['artists'] as String? ?? '',
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final albums = _albums ?? [];
+    final albumsOnly = albums.where((a) => a.albumType == 'album').toList();
+    final singles = albums.where((a) => a.albumType == 'single').toList();
+    final compilations = albums.where((a) => a.albumType == 'compilation').toList();
+
+    return Scaffold(
+      body: Stack(
+        children: [
+          CustomScrollView(
+            slivers: [
+              _buildAppBar(context, colorScheme),
+              _buildInfoCard(context, colorScheme),
+              if (_isLoadingDiscography)
+                const SliverToBoxAdapter(child: Padding(
+                  padding: EdgeInsets.all(32),
+                  child: Center(child: CircularProgressIndicator()),
+                )),
+              if (_error != null)
+                SliverToBoxAdapter(child: Padding(
+                  padding: const EdgeInsets.all(16),
+                  child: _buildErrorWidget(_error!, colorScheme),
+                )),
+              if (!_isLoadingDiscography && _error == null) ...[
+                if (albumsOnly.isNotEmpty) SliverToBoxAdapter(child: _buildAlbumSection('Albums', albumsOnly, colorScheme)),
+                if (singles.isNotEmpty) SliverToBoxAdapter(child: _buildAlbumSection('Singles & EPs', singles, colorScheme)),
+                if (compilations.isNotEmpty) SliverToBoxAdapter(child: _buildAlbumSection('Compilations', compilations, colorScheme)),
+              ],
+              const SliverToBoxAdapter(child: SizedBox(height: 32)),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAppBar(BuildContext context, ColorScheme colorScheme) {
+    return SliverAppBar(
+      expandedHeight: 280,
+      pinned: true,
+      stretch: true,
+      backgroundColor: colorScheme.surface,
+      surfaceTintColor: Colors.transparent,
+      flexibleSpace: FlexibleSpaceBar(
+        background: Stack(
+          fit: StackFit.expand,
+          children: [
+            if (widget.coverUrl != null)
+              CachedNetworkImage(imageUrl: widget.coverUrl!, fit: BoxFit.cover, color: Colors.black.withValues(alpha: 0.5), colorBlendMode: BlendMode.darken, memCacheWidth: 600),
+            Container(
+              decoration: BoxDecoration(
+                gradient: LinearGradient(
+                  begin: Alignment.topCenter,
+                  end: Alignment.bottomCenter,
+                  colors: [Colors.transparent, colorScheme.surface.withValues(alpha: 0.8), colorScheme.surface],
+                  stops: const [0.0, 0.7, 1.0],
+                ),
+              ),
+            ),
+            Center(
+              child: Padding(
+                padding: const EdgeInsets.only(top: 60),
+                child: Container(
+                  width: 140,
+                  height: 140,
+                  decoration: BoxDecoration(
+                    shape: BoxShape.circle,
+                    boxShadow: [BoxShadow(color: Colors.black.withValues(alpha: 0.3), blurRadius: 20, offset: const Offset(0, 10))],
+                  ),
+                  child: ClipOval(
+                    child: widget.coverUrl != null
+                        ? CachedNetworkImage(imageUrl: widget.coverUrl!, fit: BoxFit.cover, memCacheWidth: 280)
+                        : Container(color: colorScheme.surfaceContainerHighest, child: Icon(Icons.person, size: 48, color: colorScheme.onSurfaceVariant)),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+        stretchModes: const [StretchMode.zoomBackground, StretchMode.blurBackground],
+      ),
+      leading: IconButton(
+        icon: Container(padding: const EdgeInsets.all(8), decoration: BoxDecoration(color: colorScheme.surface.withValues(alpha: 0.8), shape: BoxShape.circle), child: Icon(Icons.arrow_back, color: colorScheme.onSurface)),
+        onPressed: () => Navigator.pop(context),
+      ),
+    );
+  }
+
+  Widget _buildInfoCard(BuildContext context, ColorScheme colorScheme) {
+    return SliverToBoxAdapter(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Card(
+          elevation: 0,
+          color: colorScheme.surfaceContainerLow,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+          child: Padding(
+            padding: const EdgeInsets.all(20),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(widget.artistName, style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: colorScheme.onSurface)),
+                const SizedBox(height: 8),
+                if (_albums != null)
+                  Container(
+                    padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+                    decoration: BoxDecoration(color: colorScheme.primaryContainer, borderRadius: BorderRadius.circular(20)),
+                    child: Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        Icon(Icons.album, size: 14, color: colorScheme.onPrimaryContainer),
+                        const SizedBox(width: 4),
+                        Text('${_albums!.length} releases', style: TextStyle(color: colorScheme.onPrimaryContainer, fontWeight: FontWeight.w600, fontSize: 12)),
+                      ],
+                    ),
+                  ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildAlbumSection(String title, List<ArtistAlbum> albums, ColorScheme colorScheme) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Padding(
+          padding: const EdgeInsets.fromLTRB(20, 16, 20, 8),
+          child: Row(
+            children: [
+              Icon(Icons.album, size: 20, color: colorScheme.primary),
+              const SizedBox(width: 8),
+              Text('$title (${albums.length})', style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600, color: colorScheme.primary)),
+            ],
+          ),
+        ),
+        SizedBox(
+          height: 210,
+          child: ListView.builder(
+            scrollDirection: Axis.horizontal,
+            padding: const EdgeInsets.symmetric(horizontal: 12),
+            itemCount: albums.length,
+            itemBuilder: (context, index) {
+              final album = albums[index];
+              return KeyedSubtree(key: ValueKey(album.id), child: _buildAlbumCard(album, colorScheme));
+            },
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildAlbumCard(ArtistAlbum album, ColorScheme colorScheme) {
+    return GestureDetector(
+      onTap: () => _navigateToAlbum(album),
+      child: Container(
+        width: 140,
+        margin: const EdgeInsets.symmetric(horizontal: 6),
+        child: Card(
+          elevation: 0,
+          color: colorScheme.surfaceContainerLow,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+          child: Padding(
+            padding: const EdgeInsets.all(8),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                ClipRRect(
+                  borderRadius: BorderRadius.circular(12),
+                  child: album.coverUrl != null
+                      ? CachedNetworkImage(imageUrl: album.coverUrl!, width: 124, height: 124, fit: BoxFit.cover, memCacheWidth: 248)
+                      : Container(width: 124, height: 124, color: colorScheme.surfaceContainerHighest, child: Icon(Icons.album, color: colorScheme.onSurfaceVariant, size: 40)),
+                ),
+                const SizedBox(height: 6),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(album.name, style: Theme.of(context).textTheme.bodySmall?.copyWith(fontWeight: FontWeight.w600), maxLines: 2, overflow: TextOverflow.ellipsis),
+                      const Spacer(),
+                      Text(
+                        '${album.releaseDate.length >= 4 ? album.releaseDate.substring(0, 4) : album.releaseDate} • ${album.totalTracks} tracks',
+                        style: Theme.of(context).textTheme.bodySmall?.copyWith(color: colorScheme.onSurfaceVariant, fontSize: 11),
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _navigateToAlbum(ArtistAlbum album) {
+    // Navigate immediately with data from artist discography, fetch tracks in AlbumScreen
+    ref.read(settingsProvider.notifier).setHasSearchedBefore();
+    Navigator.push(context, MaterialPageRoute(
+      builder: (context) => AlbumScreen(
+        albumId: album.id,
+        albumName: album.name,
+        coverUrl: album.coverUrl,
+        // tracks: null - will be fetched in AlbumScreen
+      ),
+    ));
+  }
+
+  /// Build error widget with special handling for rate limit (429)
+  Widget _buildErrorWidget(String error, ColorScheme colorScheme) {
+    final isRateLimit = error.contains('429') || 
+                        error.toLowerCase().contains('rate limit') ||
+                        error.toLowerCase().contains('too many requests');
+    
+    if (isRateLimit) {
+      return Card(
+        elevation: 0,
+        color: colorScheme.errorContainer,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Row(
+            children: [
+              Icon(Icons.timer_off, color: colorScheme.onErrorContainer),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      'Rate Limited',
+                      style: TextStyle(
+                        color: colorScheme.onErrorContainer,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    const SizedBox(height: 4),
+                    Text(
+                      'Too many requests. Please wait a moment and try again.',
+                      style: TextStyle(
+                        color: colorScheme.onErrorContainer,
+                        fontSize: 12,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        ),
+      );
+    }
+    
+    // Default error display
+    return Card(
+      elevation: 0,
+      color: colorScheme.errorContainer.withValues(alpha: 0.5),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Row(
+          children: [
+            Icon(Icons.error_outline, color: colorScheme.error),
+            const SizedBox(width: 12),
+            Expanded(child: Text(error, style: TextStyle(color: colorScheme.error))),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/screens/history_screen.dart

@@ -1,372 +0,0 @@
-import 'dart:io';
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:cached_network_image/cached_network_image.dart';
-import 'package:open_filex/open_filex.dart';
-import 'package:spotiflac_android/providers/download_queue_provider.dart';
-
-class HistoryScreen extends ConsumerWidget {
-  const HistoryScreen({super.key});
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    final historyState = ref.watch(downloadHistoryProvider);
-    final history = historyState.items;
-    final colorScheme = Theme.of(context).colorScheme;
-
-    return Scaffold(
-      appBar: AppBar(
-        title: const Text('Download History'),
-        actions: [
-          if (history.isNotEmpty)
-            IconButton(
-              icon: const Icon(Icons.delete_sweep),
-              onPressed: () => _showClearHistoryDialog(context, ref),
-              tooltip: 'Clear history',
-            ),
-        ],
-      ),
-      body: history.isEmpty
-          ? _buildEmptyState(context, colorScheme)
-          : ListView.builder(
-              itemCount: history.length,
-              itemBuilder: (context, index) {
-                final item = history[index];
-                return _buildHistoryItem(context, ref, item, colorScheme);
-              },
-            ),
-    );
-  }
-
-  Widget _buildEmptyState(BuildContext context, ColorScheme colorScheme) {
-    return Center(
-      child: Column(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          Icon(
-            Icons.history, 
-            size: 64, 
-            color: colorScheme.onSurfaceVariant,
-          ),
-          const SizedBox(height: 16),
-          Text(
-            'No download history',
-            style: Theme.of(context).textTheme.bodyLarge?.copyWith(
-              color: colorScheme.onSurfaceVariant,
-            ),
-          ),
-          const SizedBox(height: 8),
-          Text(
-            'Downloaded tracks will appear here',
-            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-              color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildHistoryItem(BuildContext context, WidgetRef ref, DownloadHistoryItem item, ColorScheme colorScheme) {
-    final fileExists = File(item.filePath).existsSync();
-    
-    return Dismissible(
-      key: Key(item.id),
-      direction: DismissDirection.endToStart,
-      background: Container(
-        alignment: Alignment.centerRight,
-        padding: const EdgeInsets.only(right: 16),
-        color: colorScheme.error,
-        child: Icon(Icons.delete, color: colorScheme.onError),
-      ),
-      onDismissed: (_) {
-        ref.read(downloadHistoryProvider.notifier).removeFromHistory(item.id);
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Removed "${item.trackName}" from history')),
-        );
-      },
-      child: ListTile(
-        leading: item.coverUrl != null
-            ? ClipRRect(
-                borderRadius: BorderRadius.circular(8),
-                child: CachedNetworkImage(
-                  imageUrl: item.coverUrl!,
-                  width: 48,
-                  height: 48,
-                  fit: BoxFit.cover,
-                  placeholder: (_, __) => Container(
-                    width: 48,
-                    height: 48,
-                    decoration: BoxDecoration(
-                      color: colorScheme.surfaceContainerHighest,
-                      borderRadius: BorderRadius.circular(8),
-                    ),
-                  ),
-                ),
-              )
-            : Container(
-                width: 48,
-                height: 48,
-                decoration: BoxDecoration(
-                  color: colorScheme.surfaceContainerHighest,
-                  borderRadius: BorderRadius.circular(8),
-                ),
-                child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant),
-              ),
-        title: Text(
-          item.trackName,
-          maxLines: 1,
-          overflow: TextOverflow.ellipsis,
-        ),
-        subtitle: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Text(
-              item.artistName,
-              maxLines: 1,
-              overflow: TextOverflow.ellipsis,
-              style: TextStyle(color: colorScheme.onSurfaceVariant),
-            ),
-            Row(
-              children: [
-                Icon(
-                  _getServiceIcon(item.service),
-                  size: 12,
-                  color: colorScheme.onSurfaceVariant,
-                ),
-                const SizedBox(width: 4),
-                Text(
-                  _formatDate(item.downloadedAt),
-                  style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                    color: colorScheme.onSurfaceVariant,
-                  ),
-                ),
-                if (!fileExists) ...[
-                  const SizedBox(width: 8),
-                  Icon(
-                    Icons.warning,
-                    size: 12,
-                    color: colorScheme.error,
-                  ),
-                  const SizedBox(width: 2),
-                  Text(
-                    'File missing',
-                    style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                      color: colorScheme.error,
-                    ),
-                  ),
-                ],
-              ],
-            ),
-          ],
-        ),
-        trailing: fileExists
-            ? IconButton(
-                icon: Icon(Icons.play_arrow, color: colorScheme.primary),
-                onPressed: () => _openFile(context, item.filePath),
-              )
-            : Icon(Icons.error_outline, color: colorScheme.onSurfaceVariant),
-        onTap: fileExists ? () => _openFile(context, item.filePath) : null,
-        onLongPress: () => _showItemDetails(context, ref, item, colorScheme),
-      ),
-    );
-  }
-
-  IconData _getServiceIcon(String service) {
-    switch (service.toLowerCase()) {
-      case 'tidal':
-        return Icons.waves;
-      case 'qobuz':
-        return Icons.album;
-      case 'amazon':
-        return Icons.shopping_cart;
-      default:
-        return Icons.cloud_download;
-    }
-  }
-
-  String _formatDate(DateTime date) {
-    final now = DateTime.now();
-    final diff = now.difference(date);
-    
-    if (diff.inDays == 0) {
-      if (diff.inHours == 0) {
-        return '${diff.inMinutes}m ago';
-      }
-      return '${diff.inHours}h ago';
-    } else if (diff.inDays == 1) {
-      return 'Yesterday';
-    } else if (diff.inDays < 7) {
-      return '${diff.inDays}d ago';
-    } else {
-      return '${date.day}/${date.month}/${date.year}';
-    }
-  }
-
-  Future<void> _openFile(BuildContext context, String filePath) async {
-    try {
-      final result = await OpenFilex.open(filePath);
-      
-      if (result.type != ResultType.done) {
-        if (context.mounted) {
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text('Cannot open: ${result.message}'),
-              action: SnackBarAction(
-                label: 'Copy Path',
-                onPressed: () {
-                  Clipboard.setData(ClipboardData(text: filePath));
-                  ScaffoldMessenger.of(context).showSnackBar(
-                    const SnackBar(content: Text('Path copied to clipboard')),
-                  );
-                },
-              ),
-            ),
-          );
-        }
-      }
-    } catch (e) {
-      if (context.mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Cannot open file: $e')),
-        );
-      }
-    }
-  }
-
-  void _showItemDetails(BuildContext context, WidgetRef ref, DownloadHistoryItem item, ColorScheme colorScheme) {
-    showModalBottomSheet(
-      context: context,
-      builder: (context) => Container(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              children: [
-                if (item.coverUrl != null)
-                  ClipRRect(
-                    borderRadius: BorderRadius.circular(12),
-                    child: CachedNetworkImage(
-                      imageUrl: item.coverUrl!,
-                      width: 64,
-                      height: 64,
-                      fit: BoxFit.cover,
-                    ),
-                  ),
-                const SizedBox(width: 16),
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        item.trackName,
-                        style: Theme.of(context).textTheme.titleMedium?.copyWith(
-                          fontWeight: FontWeight.bold,
-                        ),
-                      ),
-                      Text(
-                        item.artistName,
-                        style: TextStyle(color: colorScheme.onSurfaceVariant),
-                      ),
-                      Text(
-                        item.albumName,
-                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                          color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
-                        ),
-                      ),
-                    ],
-                  ),
-                ),
-              ],
-            ),
-            const SizedBox(height: 16),
-            const Divider(),
-            _buildDetailRow(context, 'Service', item.service.toUpperCase(), colorScheme),
-            _buildDetailRow(context, 'Downloaded', _formatDate(item.downloadedAt), colorScheme),
-            _buildDetailRow(context, 'File', item.filePath, colorScheme, isPath: true),
-            const SizedBox(height: 16),
-            Row(
-              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-              children: [
-                TextButton.icon(
-                  onPressed: () {
-                    ref.read(downloadHistoryProvider.notifier).removeFromHistory(item.id);
-                    Navigator.pop(context);
-                  },
-                  icon: Icon(Icons.delete, color: colorScheme.error),
-                  label: Text('Remove', style: TextStyle(color: colorScheme.error)),
-                ),
-                if (File(item.filePath).existsSync())
-                  TextButton.icon(
-                    onPressed: () {
-                      Navigator.pop(context);
-                      _openFile(context, item.filePath);
-                    },
-                    icon: Icon(Icons.play_arrow, color: colorScheme.primary),
-                    label: Text('Play', style: TextStyle(color: colorScheme.primary)),
-                  ),
-              ],
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildDetailRow(BuildContext context, String label, String value, ColorScheme colorScheme, {bool isPath = false}) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 4),
-      child: Row(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          SizedBox(
-            width: 80,
-            child: Text(
-              label,
-              style: TextStyle(color: colorScheme.onSurfaceVariant),
-            ),
-          ),
-          Expanded(
-            child: Text(
-              value,
-              style: TextStyle(
-                fontSize: isPath ? 12 : 14,
-                fontFamily: isPath ? 'monospace' : null,
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showClearHistoryDialog(BuildContext context, WidgetRef ref) {
-    final colorScheme = Theme.of(context).colorScheme;
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Clear History'),
-        content: const Text(
-          'Are you sure you want to clear all download history? '
-          'This will not delete the downloaded files.',
-        ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('Cancel'),
-          ),
-          TextButton(
-            onPressed: () {
-              ref.read(downloadHistoryProvider.notifier).clearHistory();
-              Navigator.pop(context);
-            },
-            child: Text('Clear', style: TextStyle(color: colorScheme.error)),
-          ),
-        ],
-      ),
-    );
-  }
-}

lib/screens/history_tab.dart

@@ -1,388 +0,0 @@
-import 'dart:io';
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:cached_network_image/cached_network_image.dart';
-import 'package:open_filex/open_filex.dart';
-import 'package:spotiflac_android/providers/download_queue_provider.dart';
-
-class HistoryTab extends ConsumerWidget {
-  const HistoryTab({super.key});
-
-  @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    final historyState = ref.watch(downloadHistoryProvider);
-    final history = historyState.items;
-    final colorScheme = Theme.of(context).colorScheme;
-
-    return Column(
-      children: [
-        // Header with clear action
-        if (history.isNotEmpty)
-          Padding(
-            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
-            child: Row(
-              mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              children: [
-                Text(
-                  '${history.length} downloads',
-                  style: Theme.of(context).textTheme.titleSmall?.copyWith(
-                    color: colorScheme.onSurfaceVariant,
-                  ),
-                ),
-                TextButton.icon(
-                  onPressed: () => _showClearHistoryDialog(context, ref),
-                  icon: Icon(Icons.delete_sweep, size: 18, color: colorScheme.error),
-                  label: Text('Clear history', style: TextStyle(color: colorScheme.error)),
-                ),
-              ],
-            ),
-          ),
-        
-        // History list
-        Expanded(
-          child: history.isEmpty
-              ? _buildEmptyState(context, colorScheme)
-              : ListView.builder(
-                  itemCount: history.length,
-                  itemBuilder: (context, index) {
-                    final item = history[index];
-                    return _buildHistoryItem(context, ref, item, colorScheme);
-                  },
-                ),
-        ),
-      ],
-    );
-  }
-
-  Widget _buildEmptyState(BuildContext context, ColorScheme colorScheme) {
-    return Center(
-      child: Column(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          Icon(
-            Icons.history, 
-            size: 64, 
-            color: colorScheme.onSurfaceVariant,
-          ),
-          const SizedBox(height: 16),
-          Text(
-            'No download history',
-            style: Theme.of(context).textTheme.bodyLarge?.copyWith(
-              color: colorScheme.onSurfaceVariant,
-            ),
-          ),
-          const SizedBox(height: 8),
-          Text(
-            'Downloaded tracks will appear here',
-            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-              color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildHistoryItem(BuildContext context, WidgetRef ref, DownloadHistoryItem item, ColorScheme colorScheme) {
-    final fileExists = File(item.filePath).existsSync();
-    
-    return Dismissible(
-      key: Key(item.id),
-      direction: DismissDirection.endToStart,
-      background: Container(
-        alignment: Alignment.centerRight,
-        padding: const EdgeInsets.only(right: 16),
-        color: colorScheme.error,
-        child: Icon(Icons.delete, color: colorScheme.onError),
-      ),
-      onDismissed: (_) {
-        ref.read(downloadHistoryProvider.notifier).removeFromHistory(item.id);
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Removed "${item.trackName}" from history')),
-        );
-      },
-      child: ListTile(
-        leading: item.coverUrl != null
-            ? ClipRRect(
-                borderRadius: BorderRadius.circular(8),
-                child: CachedNetworkImage(
-                  imageUrl: item.coverUrl!,
-                  width: 48,
-                  height: 48,
-                  fit: BoxFit.cover,
-                  placeholder: (_, __) => Container(
-                    width: 48,
-                    height: 48,
-                    decoration: BoxDecoration(
-                      color: colorScheme.surfaceContainerHighest,
-                      borderRadius: BorderRadius.circular(8),
-                    ),
-                  ),
-                ),
-              )
-            : Container(
-                width: 48,
-                height: 48,
-                decoration: BoxDecoration(
-                  color: colorScheme.surfaceContainerHighest,
-                  borderRadius: BorderRadius.circular(8),
-                ),
-                child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant),
-              ),
-        title: Text(
-          item.trackName,
-          maxLines: 1,
-          overflow: TextOverflow.ellipsis,
-        ),
-        subtitle: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Text(
-              item.artistName,
-              maxLines: 1,
-              overflow: TextOverflow.ellipsis,
-              style: TextStyle(color: colorScheme.onSurfaceVariant),
-            ),
-            Row(
-              children: [
-                Icon(
-                  _getServiceIcon(item.service),
-                  size: 12,
-                  color: colorScheme.onSurfaceVariant,
-                ),
-                const SizedBox(width: 4),
-                Text(
-                  _formatDate(item.downloadedAt),
-                  style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                    color: colorScheme.onSurfaceVariant,
-                  ),
-                ),
-                if (!fileExists) ...[
-                  const SizedBox(width: 8),
-                  Icon(
-                    Icons.warning,
-                    size: 12,
-                    color: colorScheme.error,
-                  ),
-                  const SizedBox(width: 2),
-                  Text(
-                    'File missing',
-                    style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                      color: colorScheme.error,
-                    ),
-                  ),
-                ],
-              ],
-            ),
-          ],
-        ),
-        trailing: fileExists
-            ? IconButton(
-                icon: Icon(Icons.play_arrow, color: colorScheme.primary),
-                onPressed: () => _openFile(context, item.filePath),
-              )
-            : Icon(Icons.error_outline, color: colorScheme.onSurfaceVariant),
-        onTap: fileExists ? () => _openFile(context, item.filePath) : null,
-        onLongPress: () => _showItemDetails(context, ref, item, colorScheme),
-      ),
-    );
-  }
-
-  IconData _getServiceIcon(String service) {
-    switch (service.toLowerCase()) {
-      case 'tidal':
-        return Icons.waves;
-      case 'qobuz':
-        return Icons.album;
-      case 'amazon':
-        return Icons.shopping_cart;
-      default:
-        return Icons.cloud_download;
-    }
-  }
-
-  String _formatDate(DateTime date) {
-    final now = DateTime.now();
-    final diff = now.difference(date);
-    
-    if (diff.inDays == 0) {
-      if (diff.inHours == 0) {
-        return '${diff.inMinutes}m ago';
-      }
-      return '${diff.inHours}h ago';
-    } else if (diff.inDays == 1) {
-      return 'Yesterday';
-    } else if (diff.inDays < 7) {
-      return '${diff.inDays}d ago';
-    } else {
-      return '${date.day}/${date.month}/${date.year}';
-    }
-  }
-
-  Future<void> _openFile(BuildContext context, String filePath) async {
-    try {
-      final result = await OpenFilex.open(filePath);
-      
-      if (result.type != ResultType.done) {
-        if (context.mounted) {
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text('Cannot open: ${result.message}'),
-              action: SnackBarAction(
-                label: 'Copy Path',
-                onPressed: () {
-                  Clipboard.setData(ClipboardData(text: filePath));
-                  ScaffoldMessenger.of(context).showSnackBar(
-                    const SnackBar(content: Text('Path copied to clipboard')),
-                  );
-                },
-              ),
-            ),
-          );
-        }
-      }
-    } catch (e) {
-      if (context.mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Cannot open file: $e')),
-        );
-      }
-    }
-  }
-
-  void _showItemDetails(BuildContext context, WidgetRef ref, DownloadHistoryItem item, ColorScheme colorScheme) {
-    showModalBottomSheet(
-      context: context,
-      builder: (context) => Container(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              children: [
-                if (item.coverUrl != null)
-                  ClipRRect(
-                    borderRadius: BorderRadius.circular(12),
-                    child: CachedNetworkImage(
-                      imageUrl: item.coverUrl!,
-                      width: 64,
-                      height: 64,
-                      fit: BoxFit.cover,
-                    ),
-                  ),
-                const SizedBox(width: 16),
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        item.trackName,
-                        style: Theme.of(context).textTheme.titleMedium?.copyWith(
-                          fontWeight: FontWeight.bold,
-                        ),
-                      ),
-                      Text(
-                        item.artistName,
-                        style: TextStyle(color: colorScheme.onSurfaceVariant),
-                      ),
-                      Text(
-                        item.albumName,
-                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                          color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
-                        ),
-                      ),
-                    ],
-                  ),
-                ),
-              ],
-            ),
-            const SizedBox(height: 16),
-            const Divider(),
-            _buildDetailRow(context, 'Service', item.service.toUpperCase(), colorScheme),
-            _buildDetailRow(context, 'Downloaded', _formatDate(item.downloadedAt), colorScheme),
-            _buildDetailRow(context, 'File', item.filePath, colorScheme, isPath: true),
-            const SizedBox(height: 16),
-            Row(
-              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-              children: [
-                TextButton.icon(
-                  onPressed: () {
-                    ref.read(downloadHistoryProvider.notifier).removeFromHistory(item.id);
-                    Navigator.pop(context);
-                  },
-                  icon: Icon(Icons.delete, color: colorScheme.error),
-                  label: Text('Remove', style: TextStyle(color: colorScheme.error)),
-                ),
-                if (File(item.filePath).existsSync())
-                  TextButton.icon(
-                    onPressed: () {
-                      Navigator.pop(context);
-                      _openFile(context, item.filePath);
-                    },
-                    icon: Icon(Icons.play_arrow, color: colorScheme.primary),
-                    label: Text('Play', style: TextStyle(color: colorScheme.primary)),
-                  ),
-              ],
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildDetailRow(BuildContext context, String label, String value, ColorScheme colorScheme, {bool isPath = false}) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 4),
-      child: Row(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          SizedBox(
-            width: 80,
-            child: Text(
-              label,
-              style: TextStyle(color: colorScheme.onSurfaceVariant),
-            ),
-          ),
-          Expanded(
-            child: Text(
-              value,
-              style: TextStyle(
-                fontSize: isPath ? 12 : 14,
-                fontFamily: isPath ? 'monospace' : null,
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showClearHistoryDialog(BuildContext context, WidgetRef ref) {
-    final colorScheme = Theme.of(context).colorScheme;
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Clear History'),
-        content: const Text(
-          'Are you sure you want to clear all download history? '
-          'This will not delete the downloaded files.',
-        ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('Cancel'),
-          ),
-          TextButton(
-            onPressed: () {
-              ref.read(downloadHistoryProvider.notifier).clearHistory();
-              Navigator.pop(context);
-            },
-            child: Text('Clear', style: TextStyle(color: colorScheme.error)),
-          ),
-        ],
-      ),
-    );
-  }
-}

lib/screens/home_screen.dart

@@ -177,9 +177,9 @@ class _HomeScreenState extends ConsumerState<HomeScreen> {
         onDestinationSelected: _onNavTap,
         destinations: [
           const NavigationDestination(
-            icon: Icon(Icons.home_outlined),
+            icon: Icon(Icons.search_outlined),
-            selectedIcon: Icon(Icons.home),
+            selectedIcon: Icon(Icons.search),
-            label: 'Home',
+            label: 'Search',
           ),
           NavigationDestination(
             icon: Badge(
@@ -219,7 +219,7 @@ class _HomeScreenState extends ConsumerState<HomeScreen> {
                   width: 80,
                   height: 80,
                   fit: BoxFit.cover,
-                  placeholder: (_, __) => Container(
+                  placeholder: (_, _) => Container(
                     width: 80,
                     height: 80,
                     color: colorScheme.surfaceContainerHighest,

lib/screens/main_shell.dart

@@ -1,9 +1,19 @@
+import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/providers/track_provider.dart';
 import 'package:spotiflac_android/screens/home_tab.dart';
 import 'package:spotiflac_android/screens/queue_tab.dart';
-import 'package:spotiflac_android/screens/settings_tab.dart';
+import 'package:spotiflac_android/screens/settings/settings_tab.dart';
+import 'package:spotiflac_android/services/share_intent_service.dart';
+import 'package:spotiflac_android/services/update_checker.dart';
+import 'package:spotiflac_android/widgets/update_dialog.dart';
+import 'package:spotiflac_android/utils/logger.dart';
+
+final _log = AppLogger('MainShell');
 
 class MainShell extends ConsumerStatefulWidget {
   const MainShell({super.key});
@@ -15,90 +25,219 @@ class MainShell extends ConsumerStatefulWidget {
 class _MainShellState extends ConsumerState<MainShell> {
   int _currentIndex = 0;
   late PageController _pageController;
+  bool _hasCheckedUpdate = false;
+  StreamSubscription<String>? _shareSubscription;
+  DateTime? _lastBackPress; // For double-tap to exit
 
   @override
   void initState() {
     super.initState();
     _pageController = PageController(initialPage: _currentIndex);
+    // Check for updates after first frame
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _checkForUpdates();
+      _setupShareListener();
+    });
+  }
+
+  void _setupShareListener() {
+    // Check for pending URL that was received before listener was ready
+    final pendingUrl = ShareIntentService().consumePendingUrl();
+    if (pendingUrl != null) {
+      _log.d('Processing pending shared URL: $pendingUrl');
+      _handleSharedUrl(pendingUrl);
+    }
+
+    // Listen for future shared URLs with error handling
+    _shareSubscription = ShareIntentService().sharedUrlStream.listen(
+      (url) {
+        _log.d('Received shared URL from stream: $url');
+        _handleSharedUrl(url);
+      },
+      onError: (error) {
+        _log.e('Share stream error: $error');
+      },
+      cancelOnError: false,
+    );
+  }
+
+  void _handleSharedUrl(String url) {
+    // Navigate to Home tab
+    if (_currentIndex != 0) {
+      _onNavTap(0);
+    }
+    // Fetch metadata for shared URL
+    ref.read(trackProvider.notifier).fetchFromUrl(url);
+    // Mark that user has searched (hide helper text)
+    ref.read(settingsProvider.notifier).setHasSearchedBefore();
+    // Show snackbar
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Loading shared link...')),
+      );
+    }
+  }
+
+  Future<void> _checkForUpdates() async {
+    if (_hasCheckedUpdate) return;
+    _hasCheckedUpdate = true;
+
+    final settings = ref.read(settingsProvider);
+    if (!settings.checkForUpdates) return;
+
+    final updateInfo = await UpdateChecker.checkForUpdate();
+    if (updateInfo != null && mounted) {
+      showUpdateDialog(
+        context,
+        updateInfo: updateInfo,
+        onDisableUpdates: () {
+          ref.read(settingsProvider.notifier).setCheckForUpdates(false);
+        },
+      );
+    }
   }
 
   @override
   void dispose() {
+    _shareSubscription?.cancel();
     _pageController.dispose();
     super.dispose();
   }
 
   void _onNavTap(int index) {
-    setState(() => _currentIndex = index);
+    if (_currentIndex != index) {
-    _pageController.animateToPage(
+      setState(() => _currentIndex = index);
-      index,
+      _pageController.animateToPage(
-      duration: const Duration(milliseconds: 300),
+        index,
-      curve: Curves.easeInOut,
+        duration: const Duration(milliseconds: 250),
-    );
+        curve: Curves.easeOutCubic,
+      );
+    }
   }
 
   void _onPageChanged(int index) {
-    setState(() => _currentIndex = index);
+    if (_currentIndex != index) {
+      setState(() => _currentIndex = index);
+    }
+  }
+
+  /// Handle back press with double-tap to exit
+  void _handleBackPress() {
+    final trackState = ref.read(trackProvider);
+    
+    // Check if keyboard is visible - if so, just dismiss keyboard, don't clear search
+    final isKeyboardVisible = MediaQuery.of(context).viewInsets.bottom > 0;
+    if (isKeyboardVisible) {
+      FocusScope.of(context).unfocus();
+      return;
+    }
+    
+    // If on Home tab and has text in search bar or has content (but not loading), clear it
+    if (_currentIndex == 0 && !trackState.isLoading && (trackState.hasSearchText || trackState.hasContent)) {
+      ref.read(trackProvider.notifier).clear();
+      return;
+    }
+    
+    // If not on Home tab, go to Home tab first
+    if (_currentIndex != 0) {
+      _onNavTap(0);
+      return;
+    }
+    
+    // If loading, ignore back press
+    if (trackState.isLoading) {
+      return;
+    }
+    
+    // Double-tap to exit
+    final now = DateTime.now();
+    if (_lastBackPress != null && now.difference(_lastBackPress!) < const Duration(seconds: 2)) {
+      SystemNavigator.pop();
+    } else {
+      _lastBackPress = now;
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Press back again to exit'),
+          duration: Duration(seconds: 2),
+          behavior: SnackBarBehavior.floating,
+        ),
+      );
+    }
   }
 
   @override
   Widget build(BuildContext context) {
-    final queueState = ref.watch(downloadQueueProvider);
+    final queueState = ref.watch(downloadQueueProvider.select((s) => s.queuedCount));
+    final trackState = ref.watch(trackProvider);
+    
+    // Check if keyboard is visible (bottom inset > 0 means keyboard is showing)
+    final isKeyboardVisible = MediaQuery.of(context).viewInsets.bottom > 0;
+    
+    // Determine if we can pop (for predictive back animation)
+    // canPop is true when we're at root with no content - enables predictive back gesture
+    // IMPORTANT: Never allow pop when keyboard is visible to prevent accidental navigation
+    final canPop = _currentIndex == 0 && 
+                   !trackState.hasSearchText && 
+                   !trackState.hasContent && 
+                   !trackState.isLoading &&
+                   !isKeyboardVisible;
 
-    return Scaffold(
+    return PopScope(
-      appBar: AppBar(
+      canPop: canPop,
-        leading: Padding(
+      onPopInvokedWithResult: (didPop, result) async {
-          padding: const EdgeInsets.all(8.0),
+        if (didPop) {
-          child: ClipRRect(
+          // System handled the pop - this means predictive back completed
-            borderRadius: BorderRadius.circular(20),
+          // We need to handle double-tap to exit here
-            child: Image.asset(
+          return;
-              'assets/images/logo.png',
+        }
-              width: 40,
+        
-              height: 40,
+        // Handle back press manually when canPop is false
-            ),
+        _handleBackPress();
-          ),
+      },
+      child: Scaffold(
+        body: PageView(
+          controller: _pageController,
+          onPageChanged: _onPageChanged,
+          physics: const BouncingScrollPhysics(),
+          children: const [
+            HomeTab(),
+            QueueTab(),
+            SettingsTab(),
+          ],
         ),
-        title: const Text('SpotiFLAC'),
+        bottomNavigationBar: NavigationBar(
-      ),
+          selectedIndex: _currentIndex,
-      body: PageView(
+          onDestinationSelected: _onNavTap,
-        controller: _pageController,
+          animationDuration: const Duration(milliseconds: 200),
-        onPageChanged: _onPageChanged,
+          backgroundColor: Theme.of(context).brightness == Brightness.dark
-        physics: const BouncingScrollPhysics(),
+              ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), Theme.of(context).colorScheme.surface)
-        children: const [
+              : Color.alphaBlend(Colors.black.withValues(alpha: 0.03), Theme.of(context).colorScheme.surface),
-          HomeTab(),
+          destinations: [
-          QueueTab(),
+            const NavigationDestination(
-          SettingsTab(),
+              icon: Icon(Icons.home_outlined),
-        ],
+              selectedIcon: Icon(Icons.home),
-      ),
+              label: 'Home',
-      bottomNavigationBar: NavigationBar(
-        selectedIndex: _currentIndex,
-        onDestinationSelected: _onNavTap,
-        animationDuration: const Duration(milliseconds: 300),
-        destinations: [
-          const NavigationDestination(
-            icon: Icon(Icons.home_outlined),
-            selectedIcon: Icon(Icons.home),
-            label: 'Home',
-          ),
-          NavigationDestination(
-            icon: Badge(
-              isLabelVisible: queueState.queuedCount > 0,
-              label: Text('${queueState.queuedCount}'),
-              child: const Icon(Icons.download_outlined),
             ),
-            selectedIcon: Badge(
+            NavigationDestination(
-              isLabelVisible: queueState.queuedCount > 0,
+              icon: Badge(
-              label: Text('${queueState.queuedCount}'),
+                isLabelVisible: queueState > 0,
-              child: const Icon(Icons.download),
+                label: Text('$queueState'),
+                child: const Icon(Icons.history_outlined),
+              ),
+              selectedIcon: Badge(
+                isLabelVisible: queueState > 0,
+                label: Text('$queueState'),
+                child: const Icon(Icons.history),
+              ),
+              label: 'History',
             ),
-            label: 'Downloads',
+            const NavigationDestination(
-          ),
+              icon: Icon(Icons.settings_outlined),
-          const NavigationDestination(
+              selectedIcon: Icon(Icons.settings),
-            icon: Icon(Icons.settings_outlined),
+              label: 'Settings',
-            selectedIcon: Icon(Icons.settings),
+            ),
-            label: 'Settings',
+          ],
-          ),
+        ),
-        ],
       ),
     );
   }

lib/screens/playlist_screen.dart

@@ -0,0 +1,464 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:spotiflac_android/models/track.dart';
+import 'package:spotiflac_android/models/download_item.dart';
+import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+
+/// Playlist detail screen with Material Expressive 3 design
+class PlaylistScreen extends ConsumerWidget {
+  final String playlistName;
+  final String? coverUrl;
+  final List<Track> tracks;
+
+  const PlaylistScreen({
+    super.key,
+    required this.playlistName,
+    this.coverUrl,
+    required this.tracks,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Scaffold(
+      body: CustomScrollView(
+        slivers: [
+          _buildAppBar(context, colorScheme),
+          _buildInfoCard(context, ref, colorScheme),
+          _buildTrackListHeader(context, colorScheme),
+          _buildTrackList(context, ref, colorScheme),
+          const SliverToBoxAdapter(child: SizedBox(height: 32)),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAppBar(BuildContext context, ColorScheme colorScheme) {
+    return SliverAppBar(
+      expandedHeight: 280,
+      pinned: true,
+      stretch: true,
+      backgroundColor: colorScheme.surface,
+      surfaceTintColor: Colors.transparent,
+      flexibleSpace: FlexibleSpaceBar(
+        background: Stack(
+          fit: StackFit.expand,
+          children: [
+            if (coverUrl != null)
+              CachedNetworkImage(imageUrl: coverUrl!, fit: BoxFit.cover, color: Colors.black.withValues(alpha: 0.5), colorBlendMode: BlendMode.darken, memCacheWidth: 600),
+            Container(
+              decoration: BoxDecoration(
+                gradient: LinearGradient(
+                  begin: Alignment.topCenter,
+                  end: Alignment.bottomCenter,
+                  colors: [Colors.transparent, colorScheme.surface.withValues(alpha: 0.8), colorScheme.surface],
+                  stops: const [0.0, 0.7, 1.0],
+                ),
+              ),
+            ),
+            Center(
+              child: Padding(
+                padding: const EdgeInsets.only(top: 60),
+                child: Container(
+                  width: 140,
+                  height: 140,
+                  decoration: BoxDecoration(
+                    borderRadius: BorderRadius.circular(16),
+                    boxShadow: [BoxShadow(color: Colors.black.withValues(alpha: 0.3), blurRadius: 20, offset: const Offset(0, 10))],
+                  ),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(16),
+                    child: coverUrl != null
+                        ? CachedNetworkImage(imageUrl: coverUrl!, fit: BoxFit.cover, memCacheWidth: 280)
+                        : Container(color: colorScheme.surfaceContainerHighest, child: Icon(Icons.playlist_play, size: 48, color: colorScheme.onSurfaceVariant)),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+        stretchModes: const [StretchMode.zoomBackground, StretchMode.blurBackground],
+      ),
+      leading: IconButton(
+        icon: Container(padding: const EdgeInsets.all(8), decoration: BoxDecoration(color: colorScheme.surface.withValues(alpha: 0.8), shape: BoxShape.circle), child: Icon(Icons.arrow_back, color: colorScheme.onSurface)),
+        onPressed: () => Navigator.pop(context),
+      ),
+    );
+  }
+
+  Widget _buildInfoCard(BuildContext context, WidgetRef ref, ColorScheme colorScheme) {
+    return SliverToBoxAdapter(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Card(
+          elevation: 0,
+          color: colorScheme.surfaceContainerLow,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+          child: Padding(
+            padding: const EdgeInsets.all(20),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(playlistName, style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: colorScheme.onSurface)),
+                const SizedBox(height: 8),
+                Container(
+                  padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+                  decoration: BoxDecoration(color: colorScheme.tertiaryContainer, borderRadius: BorderRadius.circular(20)),
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Icon(Icons.playlist_play, size: 14, color: colorScheme.onTertiaryContainer),
+                      const SizedBox(width: 4),
+                      Text('${tracks.length} tracks', style: TextStyle(color: colorScheme.onTertiaryContainer, fontWeight: FontWeight.w600, fontSize: 12)),
+                    ],
+                  ),
+                ),
+                const SizedBox(height: 16),
+                FilledButton.icon(
+                  onPressed: () => _downloadAll(context, ref),
+                  icon: const Icon(Icons.download),
+                  label: Text('Download All (${tracks.length})'),
+                  style: FilledButton.styleFrom(minimumSize: const Size.fromHeight(52), shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16))),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTrackListHeader(BuildContext context, ColorScheme colorScheme) {
+    return SliverToBoxAdapter(
+      child: Padding(
+        padding: const EdgeInsets.fromLTRB(20, 8, 20, 8),
+        child: Row(
+          children: [
+            Icon(Icons.queue_music, size: 20, color: colorScheme.primary),
+            const SizedBox(width: 8),
+            Text('Tracks', style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600, color: colorScheme.onSurface)),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTrackList(BuildContext context, WidgetRef ref, ColorScheme colorScheme) {
+    return SliverList(
+      delegate: SliverChildBuilderDelegate(
+        (context, index) {
+          final track = tracks[index];
+          return KeyedSubtree(
+            key: ValueKey(track.id),
+            child: _PlaylistTrackItem(
+              track: track,
+              onDownload: () => _downloadTrack(context, ref, track),
+            ),
+          );
+        },
+        childCount: tracks.length,
+      ),
+    );
+  }
+
+  void _downloadTrack(BuildContext context, WidgetRef ref, Track track) {
+    final settings = ref.read(settingsProvider);
+    if (settings.askQualityBeforeDownload) {
+      _showQualityPicker(context, (quality) {
+        ref.read(downloadQueueProvider.notifier).addToQueue(track, settings.defaultService, qualityOverride: quality);
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added "${track.name}" to queue')));
+      }, trackName: track.name, artistName: track.artistName, coverUrl: track.coverUrl);
+    } else {
+      ref.read(downloadQueueProvider.notifier).addToQueue(track, settings.defaultService);
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added "${track.name}" to queue')));
+    }
+  }
+
+  void _downloadAll(BuildContext context, WidgetRef ref) {
+    if (tracks.isEmpty) return;
+    final settings = ref.read(settingsProvider);
+    if (settings.askQualityBeforeDownload) {
+      _showQualityPicker(context, (quality) {
+        ref.read(downloadQueueProvider.notifier).addMultipleToQueue(tracks, settings.defaultService, qualityOverride: quality);
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added ${tracks.length} tracks to queue')));
+      }, trackName: '${tracks.length} tracks', artistName: playlistName);
+    } else {
+      ref.read(downloadQueueProvider.notifier).addMultipleToQueue(tracks, settings.defaultService);
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Added ${tracks.length} tracks to queue')));
+    }
+  }
+
+  void _showQualityPicker(BuildContext context, void Function(String quality) onSelect, {String? trackName, String? artistName, String? coverUrl}) {
+    final colorScheme = Theme.of(context).colorScheme;
+    showModalBottomSheet(
+      context: context,
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(28))),
+      builder: (context) => SafeArea(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            if (trackName != null) ...[
+              _TrackInfoHeader(trackName: trackName, artistName: artistName, coverUrl: coverUrl),
+              Divider(height: 1, color: colorScheme.outlineVariant.withValues(alpha: 0.5)),
+            ] else ...[
+              const SizedBox(height: 8),
+              Center(child: Container(width: 40, height: 4, decoration: BoxDecoration(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4), borderRadius: BorderRadius.circular(2)))),
+            ],
+            Padding(padding: const EdgeInsets.fromLTRB(24, 16, 24, 8), child: Text('Select Quality', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold))),
+            // Disclaimer
+            Padding(
+              padding: const EdgeInsets.fromLTRB(24, 0, 24, 12),
+              child: Text(
+                'Actual quality depends on track availability. Hi-Res may not be available for all tracks.',
+                style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                  color: colorScheme.onSurfaceVariant,
+                  fontStyle: FontStyle.italic,
+                ),
+              ),
+            ),
+            _QualityOption(title: 'FLAC Lossless', subtitle: '16-bit / 44.1kHz', icon: Icons.music_note, onTap: () { Navigator.pop(context); onSelect('LOSSLESS'); }),
+            _QualityOption(title: 'Hi-Res FLAC', subtitle: '24-bit / up to 96kHz', icon: Icons.high_quality, onTap: () { Navigator.pop(context); onSelect('HI_RES'); }),
+            _QualityOption(title: 'Hi-Res FLAC Max', subtitle: '24-bit / up to 192kHz', icon: Icons.four_k, onTap: () { Navigator.pop(context); onSelect('HI_RES_LOSSLESS'); }),
+            const SizedBox(height: 16),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _QualityOption extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final IconData icon;
+  final VoidCallback onTap;
+
+  const _QualityOption({required this.title, required this.subtitle, required this.icon, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return ListTile(
+      contentPadding: const EdgeInsets.symmetric(horizontal: 24, vertical: 4),
+      leading: Container(padding: const EdgeInsets.all(10), decoration: BoxDecoration(color: colorScheme.primaryContainer, borderRadius: BorderRadius.circular(12)), child: Icon(icon, color: colorScheme.onPrimaryContainer, size: 20)),
+      title: Text(title, style: const TextStyle(fontWeight: FontWeight.w500)),
+      subtitle: Text(subtitle, style: TextStyle(color: colorScheme.onSurfaceVariant)),
+      onTap: onTap,
+    );
+  }
+}
+
+class _TrackInfoHeader extends StatefulWidget {
+  final String trackName;
+  final String? artistName;
+  final String? coverUrl;
+  const _TrackInfoHeader({required this.trackName, this.artistName, this.coverUrl});
+
+  @override
+  State<_TrackInfoHeader> createState() => _TrackInfoHeaderState();
+}
+
+class _TrackInfoHeaderState extends State<_TrackInfoHeader> {
+  bool _expanded = false;
+  bool _isOverflowing = false;
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: _isOverflowing ? () => setState(() => _expanded = !_expanded) : null,
+        borderRadius: const BorderRadius.only(topLeft: Radius.circular(28), topRight: Radius.circular(28)),
+        child: Column(
+          children: [
+            const SizedBox(height: 8),
+            Container(width: 40, height: 4, decoration: BoxDecoration(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4), borderRadius: BorderRadius.circular(2))),
+            Padding(
+              padding: const EdgeInsets.fromLTRB(16, 12, 16, 12),
+              child: Row(
+                children: [
+                  ClipRRect(
+                    borderRadius: BorderRadius.circular(8),
+                    child: widget.coverUrl != null
+                        ? Image.network(widget.coverUrl!, width: 56, height: 56, fit: BoxFit.cover,
+                            errorBuilder: (_, e, s) => Container(width: 56, height: 56, color: colorScheme.surfaceContainerHighest, child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)))
+                        : Container(width: 56, height: 56, color: colorScheme.surfaceContainerHighest, child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)),
+                  ),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: LayoutBuilder(
+                      builder: (context, constraints) {
+                        final titleStyle = Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600);
+                        final titleSpan = TextSpan(text: widget.trackName, style: titleStyle);
+                        final titlePainter = TextPainter(text: titleSpan, maxLines: 1, textDirection: TextDirection.ltr)..layout(maxWidth: constraints.maxWidth);
+                        final titleOverflows = titlePainter.didExceedMaxLines;
+                        
+                        WidgetsBinding.instance.addPostFrameCallback((_) {
+                          if (mounted && _isOverflowing != titleOverflows) {
+                            setState(() => _isOverflowing = titleOverflows);
+                          }
+                        });
+                        
+                        return Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              widget.trackName,
+                              style: titleStyle,
+                              maxLines: _expanded ? 10 : 1,
+                              overflow: _expanded ? TextOverflow.visible : TextOverflow.ellipsis,
+                            ),
+                            if (widget.artistName != null) ...[
+                              const SizedBox(height: 2),
+                              Text(
+                                widget.artistName!,
+                                style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
+                                maxLines: _expanded ? 3 : 1,
+                                overflow: _expanded ? TextOverflow.visible : TextOverflow.ellipsis,
+                              ),
+                            ],
+                          ],
+                        );
+                      },
+                    ),
+                  ),
+                  if (_isOverflowing || _expanded)
+                    Icon(_expanded ? Icons.expand_less : Icons.expand_more, color: colorScheme.onSurfaceVariant, size: 20),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Separate Consumer widget for each track - only rebuilds when this specific track's status changes
+class _PlaylistTrackItem extends ConsumerWidget {
+  final Track track;
+  final VoidCallback onDownload;
+
+  const _PlaylistTrackItem({required this.track, required this.onDownload});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colorScheme = Theme.of(context).colorScheme;
+    
+    // Only watch the specific item for this track
+    final queueItem = ref.watch(downloadQueueProvider.select((state) {
+      return state.items.where((item) => item.track.id == track.id).firstOrNull;
+    }));
+    
+    // Check if track is in history (already downloaded before)
+    final isInHistory = ref.watch(downloadHistoryProvider.select((state) {
+      return state.isDownloaded(track.id);
+    }));
+    
+    final isQueued = queueItem != null;
+    final isDownloading = queueItem?.status == DownloadStatus.downloading;
+    final isFinalizing = queueItem?.status == DownloadStatus.finalizing;
+    final isCompleted = queueItem?.status == DownloadStatus.completed;
+    final progress = queueItem?.progress ?? 0.0;
+    
+    // Show as downloaded if in queue completed OR in history
+    final showAsDownloaded = isCompleted || (!isQueued && isInHistory);
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 8),
+      child: Card(
+        elevation: 0,
+        color: Colors.transparent,
+        margin: const EdgeInsets.symmetric(vertical: 2),
+        child: ListTile(
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+          leading: track.coverUrl != null
+              ? ClipRRect(borderRadius: BorderRadius.circular(8), child: CachedNetworkImage(imageUrl: track.coverUrl!, width: 48, height: 48, fit: BoxFit.cover, memCacheWidth: 96))
+              : Container(width: 48, height: 48, decoration: BoxDecoration(color: colorScheme.surfaceContainerHighest, borderRadius: BorderRadius.circular(8)), child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant)),
+          title: Text(track.name, maxLines: 1, overflow: TextOverflow.ellipsis, style: Theme.of(context).textTheme.bodyLarge?.copyWith(fontWeight: FontWeight.w500)),
+          subtitle: Text(track.artistName, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(color: colorScheme.onSurfaceVariant)),
+          trailing: _buildDownloadButton(context, ref, colorScheme, isQueued: isQueued, isDownloading: isDownloading, isFinalizing: isFinalizing, showAsDownloaded: showAsDownloaded, isInHistory: isInHistory, progress: progress),
+          onTap: () => _handleTap(context, ref, isQueued: isQueued, isInHistory: isInHistory),
+        ),
+      ),
+    );
+  }
+
+  void _handleTap(BuildContext context, WidgetRef ref, {required bool isQueued, required bool isInHistory}) async {
+    if (isQueued) return;
+    
+    if (isInHistory) {
+      final historyItem = ref.read(downloadHistoryProvider.notifier).getBySpotifyId(track.id);
+      if (historyItem != null) {
+        final fileExists = await File(historyItem.filePath).exists();
+        if (fileExists) {
+          if (context.mounted) {
+            ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('"${track.name}" already downloaded')));
+          }
+          return;
+        } else {
+          ref.read(downloadHistoryProvider.notifier).removeBySpotifyId(track.id);
+        }
+      }
+    }
+    
+    onDownload();
+  }
+
+  Widget _buildDownloadButton(BuildContext context, WidgetRef ref, ColorScheme colorScheme, {
+    required bool isQueued,
+    required bool isDownloading,
+    required bool isFinalizing,
+    required bool showAsDownloaded,
+    required bool isInHistory,
+    required double progress,
+  }) {
+    const double size = 44.0;
+    const double iconSize = 20.0;
+    
+    if (showAsDownloaded) {
+      return GestureDetector(
+        onTap: () => _handleTap(context, ref, isQueued: isQueued, isInHistory: isInHistory),
+        child: Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.primaryContainer, shape: BoxShape.circle), child: Icon(Icons.check, color: colorScheme.onPrimaryContainer, size: iconSize)),
+      );
+    } else if (isFinalizing) {
+      return SizedBox(
+        width: size,
+        height: size,
+        child: Stack(
+          alignment: Alignment.center,
+          children: [
+            CircularProgressIndicator(strokeWidth: 3, color: colorScheme.tertiary, backgroundColor: colorScheme.surfaceContainerHighest),
+            Icon(Icons.edit_note, color: colorScheme.tertiary, size: 16),
+          ],
+        ),
+      );
+    } else if (isDownloading) {
+      return SizedBox(
+        width: size,
+        height: size,
+        child: Stack(
+          alignment: Alignment.center,
+          children: [
+            CircularProgressIndicator(value: progress > 0 ? progress : null, strokeWidth: 3, color: colorScheme.primary, backgroundColor: colorScheme.surfaceContainerHighest),
+            if (progress > 0) Text('${(progress * 100).toInt()}', style: TextStyle(fontSize: 10, fontWeight: FontWeight.bold, color: colorScheme.primary)),
+          ],
+        ),
+      );
+    } else if (isQueued) {
+      return Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.surfaceContainerHighest, shape: BoxShape.circle), child: Icon(Icons.hourglass_empty, color: colorScheme.onSurfaceVariant, size: iconSize));
+    } else {
+      return GestureDetector(
+        onTap: onDownload,
+        child: Container(width: size, height: size, decoration: BoxDecoration(color: colorScheme.secondaryContainer, shape: BoxShape.circle), child: Icon(Icons.download, color: colorScheme.onSecondaryContainer, size: iconSize)),
+      );
+    }
+  }
+}

lib/screens/queue_screen.dart

@@ -144,6 +144,18 @@ class QueueScreen extends ConsumerWidget {
             color: colorScheme.primary,
           ),
         );
+      case DownloadStatus.finalizing:
+        return SizedBox(
+          width: 24,
+          height: 24,
+          child: Stack(
+            alignment: Alignment.center,
+            children: [
+              CircularProgressIndicator(strokeWidth: 2, color: colorScheme.tertiary),
+              Icon(Icons.edit_note, color: colorScheme.tertiary, size: 12),
+            ],
+          ),
+        );
       case DownloadStatus.completed:
         return Icon(Icons.check_circle, color: colorScheme.primary);
       case DownloadStatus.failed:

lib/screens/queue_tab.dart

@@ -1,250 +1,765 @@
+import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:cached_network_image/cached_network_image.dart';
+import 'package:open_filex/open_filex.dart';
 import 'package:spotiflac_android/models/download_item.dart';
 import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/screens/track_metadata_screen.dart';
 
-class QueueTab extends ConsumerWidget {
+class QueueTab extends ConsumerStatefulWidget {
   const QueueTab({super.key});
+  @override
+  ConsumerState<QueueTab> createState() => _QueueTabState();
+}
+
+class _QueueTabState extends ConsumerState<QueueTab> {
+  final Map<String, bool> _fileExistsCache = {};
+  final Set<String> _pendingChecks = {}; // Track pending async checks
+  static const int _maxCacheSize = 500; // Limit cache size to prevent memory leak
+
+  /// Check if file exists - returns true optimistically while checking
+  /// This prevents the "red flash" on app start
+  bool _checkFileExists(String? filePath) {
+    if (filePath == null) return false;
+    
+    // If already cached, return cached value
+    if (_fileExistsCache.containsKey(filePath)) {
+      return _fileExistsCache[filePath]!;
+    }
+    
+    // If check is pending, return true optimistically (assume file exists)
+    if (_pendingChecks.contains(filePath)) {
+      return true;
+    }
+    
+    // Limit cache size - remove oldest entry if full
+    if (_fileExistsCache.length >= _maxCacheSize) {
+      _fileExistsCache.remove(_fileExistsCache.keys.first);
+    }
+    
+    // Mark as pending and start async check
+    _pendingChecks.add(filePath);
+    Future.microtask(() async {
+      final exists = await File(filePath).exists();
+      _pendingChecks.remove(filePath);
+      if (mounted && _fileExistsCache[filePath] != exists) {
+        setState(() => _fileExistsCache[filePath] = exists);
+      }
+    });
+    
+    // Return true optimistically while checking
+    return true;
+  }
+
+  Future<void> _openFile(String filePath) async {
+    try {
+      await OpenFilex.open(filePath);
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Cannot open file: $e')),
+        );
+      }
+    }
+  }
+
+  void _navigateToMetadataScreen(DownloadItem item) {
+    final historyItem = ref.read(downloadHistoryProvider).items.firstWhere(
+      (h) => h.filePath == item.filePath,
+      orElse: () => DownloadHistoryItem(
+        id: item.id,
+        trackName: item.track.name,
+        artistName: item.track.artistName,
+        albumName: item.track.albumName,
+        coverUrl: item.track.coverUrl,
+        filePath: item.filePath ?? '',
+        downloadedAt: DateTime.now(),
+        service: item.service,
+      ),
+    );
+    
+    Navigator.push(context, PageRouteBuilder(
+      transitionDuration: const Duration(milliseconds: 300),
+      reverseTransitionDuration: const Duration(milliseconds: 250),
+      pageBuilder: (context, animation, secondaryAnimation) => TrackMetadataScreen(item: historyItem),
+      transitionsBuilder: (context, animation, secondaryAnimation, child) => FadeTransition(opacity: animation, child: child),
+    ));
+  }
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
+  Widget build(BuildContext context) {
-    final queueState = ref.watch(downloadQueueProvider);
+    // Use select() to only rebuild when specific fields change
+    final queueItems = ref.watch(downloadQueueProvider.select((s) => s.items));
+    final isProcessing = ref.watch(downloadQueueProvider.select((s) => s.isProcessing));
+    final isPaused = ref.watch(downloadQueueProvider.select((s) => s.isPaused));
+    final queuedCount = ref.watch(downloadQueueProvider.select((s) => s.queuedCount));
+    final completedCount = ref.watch(downloadQueueProvider.select((s) => s.completedCount));
+    final historyItems = ref.watch(downloadHistoryProvider.select((s) => s.items));
+    final historyViewMode = ref.watch(settingsProvider.select((s) => s.historyViewMode));
     final colorScheme = Theme.of(context).colorScheme;
 
-    return Column(
+    return CustomScrollView(
-      children: [
+      slivers: [
-        // Header with actions
+        // Collapsing App Bar - Simplified for performance
-        if (queueState.items.isNotEmpty)
+        SliverAppBar(
-          Padding(
+          expandedHeight: 130,
-            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+          collapsedHeight: kToolbarHeight,
-            child: Row(
+          floating: false,
-              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          pinned: true,
-              children: [
+          backgroundColor: colorScheme.surface,
-                Text(
+          surfaceTintColor: Colors.transparent,
-                  '${queueState.items.length} items',
+          automaticallyImplyLeading: false,
-                  style: Theme.of(context).textTheme.titleSmall?.copyWith(
+          flexibleSpace: FlexibleSpaceBar(
-                    color: colorScheme.onSurfaceVariant,
+            expandedTitleScale: 1.3,
-                  ),
+            titlePadding: const EdgeInsets.only(left: 24, bottom: 16),
-                ),
+            title: Text(
-                Row(
+              'History',
-                  children: [
+              style: TextStyle(
-                    TextButton.icon(
+                fontSize: 28,
-                      onPressed: () => ref.read(downloadQueueProvider.notifier).clearCompleted(),
+                fontWeight: FontWeight.bold,
-                      icon: const Icon(Icons.done_all, size: 18),
+                color: colorScheme.onSurface,
-                      label: const Text('Clear done'),
+              ),
-                    ),
-                    TextButton.icon(
-                      onPressed: () => _showClearAllDialog(context, ref),
-                      icon: Icon(Icons.clear_all, size: 18, color: colorScheme.error),
-                      label: Text('Clear all', style: TextStyle(color: colorScheme.error)),
-                    ),
-                  ],
-                ),
-              ],
             ),
           ),
-        
-        // Queue list
-        Expanded(
-          child: queueState.items.isEmpty
-              ? _buildEmptyState(context, colorScheme)
-              : ListView.builder(
-                  itemCount: queueState.items.length,
-                  itemBuilder: (context, index) => _buildQueueItem(context, ref, queueState.items[index], colorScheme),
-                ),
         ),
+
+        // Pause/Resume controls - only show when multiple items or paused
+        if ((isProcessing || queuedCount > 0) && (queueItems.length > 1 || isPaused))
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
+              child: Card(
+                child: Padding(
+                  padding: const EdgeInsets.all(12),
+                  child: Row(
+                    children: [
+                      // Status icon
+                      Container(
+                        padding: const EdgeInsets.all(8),
+                        decoration: BoxDecoration(
+                          color: isPaused 
+                              ? colorScheme.errorContainer 
+                              : colorScheme.primaryContainer,
+                          borderRadius: BorderRadius.circular(12),
+                        ),
+                        child: Icon(
+                          isPaused ? Icons.pause : Icons.downloading,
+                          color: isPaused 
+                              ? colorScheme.onErrorContainer 
+                              : colorScheme.onPrimaryContainer,
+                        ),
+                      ),
+                      const SizedBox(width: 12),
+                      // Status text - simplified
+                      Expanded(
+                        child: Text(
+                          isPaused 
+                              ? 'Paused' 
+                              : '$completedCount/${queueItems.length}',
+                          style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                      ),
+                      // Pause/Resume button
+                      FilledButton.tonal(
+                        onPressed: () => ref.read(downloadQueueProvider.notifier).togglePause(),
+                        child: Text(isPaused ? 'Resume' : 'Pause'),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          ),
+
+        // Queue header
+        if (queueItems.isNotEmpty)
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
+              child: Text('Downloading (${queueItems.length})',
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold)),
+            ),
+          ),
+
+        // Queue list with keys for efficient updates
+        if (queueItems.isNotEmpty)
+          SliverList(delegate: SliverChildBuilderDelegate(
+            (context, index) {
+              final item = queueItems[index];
+              return KeyedSubtree(
+                key: ValueKey(item.id),
+                child: _buildQueueItem(context, item, colorScheme),
+              );
+            },
+            childCount: queueItems.length,
+          )),
+
+        // History section header - show count only
+        if (historyItems.isNotEmpty && queueItems.isEmpty)
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
+              child: Text('${historyItems.length} ${historyItems.length == 1 ? 'track' : 'tracks'}',
+                style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+            ),
+          ),
+
+        // History section header when queue has items (show "Downloaded" label)
+        if (historyItems.isNotEmpty && queueItems.isNotEmpty)
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
+              child: Text('Downloaded',
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold)),
+            ),
+          ),
+
+        // History - Grid or List based on setting (with keys)
+        if (historyItems.isNotEmpty)
+          historyViewMode == 'grid'
+              ? SliverPadding(
+                  padding: const EdgeInsets.symmetric(horizontal: 16),
+                  sliver: SliverGrid(
+                    gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+                      crossAxisCount: 3,
+                      mainAxisSpacing: 8,
+                      crossAxisSpacing: 8,
+                      childAspectRatio: 0.75,
+                    ),
+                    delegate: SliverChildBuilderDelegate(
+                      (context, index) {
+                        final item = historyItems[index];
+                        return KeyedSubtree(
+                          key: ValueKey(item.id),
+                          child: _buildHistoryGridItem(context, item, colorScheme),
+                        );
+                      },
+                      childCount: historyItems.length,
+                    ),
+                  ),
+                )
+              : SliverList(delegate: SliverChildBuilderDelegate(
+                  (context, index) {
+                    final item = historyItems[index];
+                    return KeyedSubtree(
+                      key: ValueKey(item.id),
+                      child: _buildHistoryItem(context, item, colorScheme),
+                    );
+                  },
+                  childCount: historyItems.length,
+                )),
+
+        // Empty state when both queue and history are empty
+        if (queueItems.isEmpty && historyItems.isEmpty)
+          SliverFillRemaining(hasScrollBody: false, child: _buildEmptyState(context, colorScheme))
+        else
+          const SliverToBoxAdapter(child: SizedBox(height: 16)),
       ],
     );
   }
 
-  Widget _buildEmptyState(BuildContext context, ColorScheme colorScheme) {
+  Widget _buildEmptyState(BuildContext context, ColorScheme colorScheme) => Center(
-    return Center(
+    child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
-      child: Column(
+      Icon(Icons.history, size: 64, color: colorScheme.onSurfaceVariant),
-        mainAxisAlignment: MainAxisAlignment.center,
+      const SizedBox(height: 16),
-        children: [
+      Text('No download history', style: Theme.of(context).textTheme.bodyLarge?.copyWith(color: colorScheme.onSurfaceVariant)),
-          Icon(
+      const SizedBox(height: 8),
-            Icons.queue_music, 
+      Text('Downloaded tracks will appear here', style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7))),
-            size: 64, 
+    ]),
-            color: colorScheme.onSurfaceVariant,
+  );
+
+  Widget _buildQueueItem(BuildContext context, DownloadItem item, ColorScheme colorScheme) {
+    final isCompleted = item.status == DownloadStatus.completed;
+    
+    return Card(
+      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
+      child: InkWell(
+        onTap: isCompleted ? () => _navigateToMetadataScreen(item) : null,
+        borderRadius: BorderRadius.circular(12),
+        child: Padding(
+          padding: const EdgeInsets.all(12),
+          child: Row(
+            children: [
+              // Cover art with Hero for completed items
+              isCompleted
+                  ? Hero(
+                      tag: 'cover_${item.id}',
+                      child: _buildCoverArt(item, colorScheme),
+                    )
+                  : _buildCoverArt(item, colorScheme),
+              const SizedBox(width: 12),
+              
+              // Track info
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      item.track.name,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
+                    const SizedBox(height: 2),
+                    Text(
+                      item.track.artistName,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                        color: colorScheme.onSurfaceVariant,
+                      ),
+                    ),
+                    if (item.status == DownloadStatus.downloading) ...[
+                      const SizedBox(height: 8),
+                      Row(
+                        children: [
+                          Expanded(
+                            child: ClipRRect(
+                              borderRadius: BorderRadius.circular(4),
+                              child: LinearProgressIndicator(
+                                value: item.progress > 0 ? item.progress : null,
+                                backgroundColor: colorScheme.surfaceContainerHighest,
+                                color: colorScheme.primary,
+                                minHeight: 6,
+                              ),
+                            ),
+                          ),
+                          const SizedBox(width: 8),
+                          Text(
+                            '${(item.progress * 100).toStringAsFixed(0)}%',
+                            style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                              color: colorScheme.primary,
+                              fontWeight: FontWeight.bold,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ],
+                    if (item.status == DownloadStatus.failed) ...[
+                      const SizedBox(height: 4),
+                      Text(
+                        item.error ?? 'Download failed',
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
+                        style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                          color: colorScheme.error,
+                        ),
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+              const SizedBox(width: 8),
+              
+              // Action buttons based on status
+              _buildActionButtons(context, item, colorScheme),
+            ],
           ),
-          const SizedBox(height: 16),
+        ),
-          Text(
-            'No downloads in queue',
-            style: Theme.of(context).textTheme.bodyLarge?.copyWith(
-              color: colorScheme.onSurfaceVariant,
-            ),
-          ),
-          const SizedBox(height: 8),
-          Text(
-            'Add tracks from the Home tab',
-            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-              color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
-            ),
-          ),
-        ],
       ),
     );
   }
 
-  Widget _buildQueueItem(BuildContext context, WidgetRef ref, DownloadItem item, ColorScheme colorScheme) {
+  Widget _buildCoverArt(DownloadItem item, ColorScheme colorScheme) {
-    return ListTile(
+    return item.track.coverUrl != null
-      leading: item.track.coverUrl != null
+        ? ClipRRect(
-          ? ClipRRect(
+            borderRadius: BorderRadius.circular(8),
+            child: CachedNetworkImage(
+              imageUrl: item.track.coverUrl!,
+              width: 56,
+              height: 56,
+              fit: BoxFit.cover,
+              memCacheWidth: 112,
+              memCacheHeight: 112,
+            ),
+          )
+        : Container(
+            width: 56,
+            height: 56,
+            decoration: BoxDecoration(
+              color: colorScheme.surfaceContainerHighest,
               borderRadius: BorderRadius.circular(8),
-              child: CachedNetworkImage(
-                imageUrl: item.track.coverUrl!,
-                width: 48,
-                height: 48,
-                fit: BoxFit.cover,
-              ),
-            )
-          : Container(
-              width: 48,
-              height: 48,
-              decoration: BoxDecoration(
-                color: colorScheme.surfaceContainerHighest,
-                borderRadius: BorderRadius.circular(8),
-              ),
-              child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant),
             ),
-      title: Text(item.track.name, maxLines: 1, overflow: TextOverflow.ellipsis),
+            child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant),
-      subtitle: Column(
+          );
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Text(
-            item.track.artistName, 
-            maxLines: 1, 
-            overflow: TextOverflow.ellipsis,
-            style: TextStyle(color: colorScheme.onSurfaceVariant),
-          ),
-          if (item.status == DownloadStatus.downloading) ...[
-            const SizedBox(height: 4),
-            Row(
-              children: [
-                Expanded(
-                  child: LinearProgressIndicator(
-                    value: item.progress > 0 ? item.progress : null,
-                    backgroundColor: colorScheme.surfaceContainerHighest,
-                    color: colorScheme.primary,
-                  ),
-                ),
-                const SizedBox(width: 8),
-                Text(
-                  '${(item.progress * 100).toStringAsFixed(0)}%',
-                  style: Theme.of(context).textTheme.labelSmall?.copyWith(
-                    color: colorScheme.onSurfaceVariant,
-                    fontWeight: FontWeight.bold,
-                  ),
-                ),
-              ],
-            ),
-          ],
-        ],
-      ),
-      trailing: _buildStatusIcon(context, item, colorScheme),
-      onTap: item.status == DownloadStatus.queued
-          ? () => ref.read(downloadQueueProvider.notifier).cancelItem(item.id)
-          : null,
-    );
   }
 
-  Widget _buildStatusIcon(BuildContext context, DownloadItem item, ColorScheme colorScheme) {
+  Widget _buildActionButtons(BuildContext context, DownloadItem item, ColorScheme colorScheme) {
     switch (item.status) {
       case DownloadStatus.queued:
-        return Icon(Icons.hourglass_empty, color: colorScheme.onSurfaceVariant);
+        // Queued: Show cancel button
+        return Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            IconButton(
+              onPressed: () => ref.read(downloadQueueProvider.notifier).cancelItem(item.id),
+              icon: Icon(Icons.close, color: colorScheme.error),
+              tooltip: 'Cancel',
+              style: IconButton.styleFrom(
+                backgroundColor: colorScheme.errorContainer.withValues(alpha: 0.3),
+              ),
+            ),
+          ],
+        );
+        
       case DownloadStatus.downloading:
-        return SizedBox(
+        // Downloading: Show stop button
-          width: 24,
+        return Row(
-          height: 24,
+          mainAxisSize: MainAxisSize.min,
-          child: CircularProgressIndicator(
+          children: [
-            value: item.progress,
+            IconButton(
-            strokeWidth: 2,
+              onPressed: () => ref.read(downloadQueueProvider.notifier).cancelItem(item.id),
-            color: colorScheme.primary,
+              icon: Icon(Icons.stop, color: colorScheme.error),
-          ),
+              tooltip: 'Stop',
+              style: IconButton.styleFrom(
+                backgroundColor: colorScheme.errorContainer.withValues(alpha: 0.3),
+              ),
+            ),
+          ],
         );
+        
+      case DownloadStatus.finalizing:
+        // Finalizing: Show spinner with edit icon (embedding metadata)
+        return Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            SizedBox(
+              width: 40,
+              height: 40,
+              child: Stack(
+                alignment: Alignment.center,
+                children: [
+                  CircularProgressIndicator(strokeWidth: 3, color: colorScheme.tertiary),
+                  Icon(Icons.edit_note, color: colorScheme.tertiary, size: 16),
+                ],
+              ),
+            ),
+          ],
+        );
+        
       case DownloadStatus.completed:
-        return Icon(Icons.check_circle, color: colorScheme.primary);
+        // Completed: Show play button and check icon
-      case DownloadStatus.failed:
+        final fileExists = _checkFileExists(item.filePath);
-        return IconButton(
+        return Row(
-          icon: Icon(Icons.error, color: colorScheme.error),
+          mainAxisSize: MainAxisSize.min,
-          onPressed: () => _showErrorDialog(context, item, colorScheme),
+          children: [
-          tooltip: 'Tap to see error details',
+            if (fileExists)
+              IconButton(
+                onPressed: () => _openFile(item.filePath!),
+                icon: Icon(Icons.play_arrow, color: colorScheme.primary),
+                tooltip: 'Play',
+                style: IconButton.styleFrom(
+                  backgroundColor: colorScheme.primaryContainer.withValues(alpha: 0.3),
+                ),
+              )
+            else
+              Icon(Icons.error_outline, color: colorScheme.error, size: 20),
+            const SizedBox(width: 4),
+            Container(
+              padding: const EdgeInsets.all(8),
+              decoration: BoxDecoration(
+                color: colorScheme.primaryContainer,
+                shape: BoxShape.circle,
+              ),
+              child: Icon(Icons.check, color: colorScheme.onPrimaryContainer, size: 20),
+            ),
+          ],
         );
+        
+      case DownloadStatus.failed:
+        // Failed: Show retry and remove buttons
+        return Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            IconButton(
+              onPressed: () => ref.read(downloadQueueProvider.notifier).retryItem(item.id),
+              icon: Icon(Icons.refresh, color: colorScheme.primary),
+              tooltip: 'Retry',
+              style: IconButton.styleFrom(
+                backgroundColor: colorScheme.primaryContainer.withValues(alpha: 0.3),
+              ),
+            ),
+            const SizedBox(width: 4),
+            IconButton(
+              onPressed: () => ref.read(downloadQueueProvider.notifier).removeItem(item.id),
+              icon: Icon(Icons.close, color: colorScheme.error),
+              tooltip: 'Remove',
+              style: IconButton.styleFrom(
+                backgroundColor: colorScheme.errorContainer.withValues(alpha: 0.3),
+              ),
+            ),
+          ],
+        );
+        
       case DownloadStatus.skipped:
-        return Icon(Icons.skip_next, color: colorScheme.primary);
+        // Skipped: Show retry and remove buttons
+        return Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            IconButton(
+              onPressed: () => ref.read(downloadQueueProvider.notifier).retryItem(item.id),
+              icon: Icon(Icons.refresh, color: colorScheme.primary),
+              tooltip: 'Retry',
+              style: IconButton.styleFrom(
+                backgroundColor: colorScheme.primaryContainer.withValues(alpha: 0.3),
+              ),
+            ),
+            const SizedBox(width: 4),
+            IconButton(
+              onPressed: () => ref.read(downloadQueueProvider.notifier).removeItem(item.id),
+              icon: Icon(Icons.close, color: colorScheme.onSurfaceVariant),
+              tooltip: 'Remove',
+            ),
+          ],
+        );
     }
   }
 
-  void _showErrorDialog(BuildContext context, DownloadItem item, ColorScheme colorScheme) {
+  void _navigateToHistoryMetadataScreen(DownloadHistoryItem item) {
-    showDialog(
+    Navigator.push(context, PageRouteBuilder(
-      context: context,
+      transitionDuration: const Duration(milliseconds: 300),
-      builder: (context) => AlertDialog(
+      reverseTransitionDuration: const Duration(milliseconds: 250),
-        title: Row(
+      pageBuilder: (context, animation, secondaryAnimation) => TrackMetadataScreen(item: item),
-          children: [
+      transitionsBuilder: (context, animation, secondaryAnimation, child) => FadeTransition(opacity: animation, child: child),
-            Icon(Icons.error, color: colorScheme.error),
+    ));
-            const SizedBox(width: 8),
+  }
-            const Text('Download Failed'),
+
-          ],
+  Widget _buildHistoryGridItem(BuildContext context, DownloadHistoryItem item, ColorScheme colorScheme) {
-        ),
+    final fileExists = _checkFileExists(item.filePath);
-        content: SingleChildScrollView(
+    
-          child: Column(
+    return GestureDetector(
-            crossAxisAlignment: CrossAxisAlignment.start,
+      onTap: () => _navigateToHistoryMetadataScreen(item),
-            mainAxisSize: MainAxisSize.min,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // Cover art with play button overlay
+          Stack(
             children: [
-              Text('Track: ${item.track.name}', style: const TextStyle(fontWeight: FontWeight.bold)),
+              AspectRatio(
-              Text('Artist: ${item.track.artistName}'),
+                aspectRatio: 1,
-              const SizedBox(height: 16),
+                child: ClipRRect(
-              const Text('Error:', style: TextStyle(fontWeight: FontWeight.bold)),
-              const SizedBox(height: 4),
-              Container(
-                padding: const EdgeInsets.all(8),
-                decoration: BoxDecoration(
-                  color: colorScheme.errorContainer,
                   borderRadius: BorderRadius.circular(8),
+                  child: item.coverUrl != null
+                      ? CachedNetworkImage(
+                          imageUrl: item.coverUrl!,
+                          fit: BoxFit.cover,
+                          memCacheWidth: 200,
+                          memCacheHeight: 200,
+                        )
+                      : Container(
+                          color: colorScheme.surfaceContainerHighest,
+                          child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant, size: 32),
+                        ),
                 ),
-                child: Text(
+              ),
-                  item.error ?? 'Unknown error',
+              // Quality badge (top-left)
-                  style: TextStyle(
+              if (item.quality != null && item.quality!.contains('bit'))
-                    fontFamily: 'monospace', 
+                Positioned(
-                    fontSize: 12,
+                  left: 4,
-                    color: colorScheme.onErrorContainer,
+                  top: 4,
+                  child: Container(
+                    padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
+                    decoration: BoxDecoration(
+                      color: item.quality!.startsWith('24') 
+                          ? colorScheme.tertiary 
+                          : colorScheme.surfaceContainerHighest,
+                      borderRadius: BorderRadius.circular(4),
+                    ),
+                    child: Text(
+                      item.quality!.split('/').first, // Just show "24-bit" or "16-bit"
+                      style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                        color: item.quality!.startsWith('24') 
+                            ? colorScheme.onTertiary 
+                            : colorScheme.onSurfaceVariant,
+                        fontSize: 9,
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
                   ),
                 ),
+              // Play button overlay
+              if (fileExists)
+                Positioned(
+                  right: 4,
+                  bottom: 4,
+                  child: GestureDetector(
+                    onTap: () => _openFile(item.filePath),
+                    child: Container(
+                      padding: const EdgeInsets.all(6),
+                      decoration: BoxDecoration(
+                        color: colorScheme.primary,
+                        shape: BoxShape.circle,
+                      ),
+                      child: Icon(Icons.play_arrow, color: colorScheme.onPrimary, size: 16),
+                    ),
+                  ),
+                ),
+              // Error indicator if file missing
+              if (!fileExists)
+                Positioned(
+                  right: 4,
+                  bottom: 4,
+                  child: Container(
+                    padding: const EdgeInsets.all(4),
+                    decoration: BoxDecoration(
+                      color: colorScheme.errorContainer,
+                      shape: BoxShape.circle,
+                    ),
+                    child: Icon(Icons.error_outline, color: colorScheme.error, size: 14),
+                  ),
+                ),
+            ],
+          ),
+          const SizedBox(height: 6),
+          // Track name
+          Text(
+            item.trackName,
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+            style: Theme.of(context).textTheme.bodySmall?.copyWith(
+              fontWeight: FontWeight.w500,
+            ),
+          ),
+          // Artist name
+          Text(
+            item.artistName,
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+            style: Theme.of(context).textTheme.labelSmall?.copyWith(
+              color: colorScheme.onSurfaceVariant,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildHistoryItem(BuildContext context, DownloadHistoryItem item, ColorScheme colorScheme) {
+    final fileExists = _checkFileExists(item.filePath);
+    final date = item.downloadedAt;
+    final months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+    final dateStr = '${months[date.month - 1]} ${date.day}, ${date.hour.toString().padLeft(2, '0')}:${date.minute.toString().padLeft(2, '0')}';
+    
+    return Card(
+      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
+      child: InkWell(
+        onTap: () => _navigateToHistoryMetadataScreen(item),
+        borderRadius: BorderRadius.circular(12),
+        child: Padding(
+          padding: const EdgeInsets.all(12),
+          child: Row(
+            children: [
+              // Cover art
+              item.coverUrl != null
+                  ? ClipRRect(
+                      borderRadius: BorderRadius.circular(8),
+                      child: CachedNetworkImage(
+                        imageUrl: item.coverUrl!,
+                        width: 56,
+                        height: 56,
+                        fit: BoxFit.cover,
+                        memCacheWidth: 112,
+                        memCacheHeight: 112,
+                      ),
+                    )
+                  : Container(
+                      width: 56,
+                      height: 56,
+                      decoration: BoxDecoration(
+                        color: colorScheme.surfaceContainerHighest,
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                      child: Icon(Icons.music_note, color: colorScheme.onSurfaceVariant),
+                    ),
+              const SizedBox(width: 12),
+              
+              // Track info
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      item.trackName,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
+                    const SizedBox(height: 2),
+                    Text(
+                      item.artistName,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                        color: colorScheme.onSurfaceVariant,
+                      ),
+                    ),
+                    const SizedBox(height: 2),
+                    Row(
+                      children: [
+                        Text(
+                          dateStr,
+                          style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                            color: colorScheme.onSurfaceVariant.withValues(alpha: 0.7),
+                          ),
+                        ),
+                        // Quality badge
+                        if (item.quality != null && item.quality!.contains('bit')) ...[
+                          const SizedBox(width: 8),
+                          Container(
+                            padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+                            decoration: BoxDecoration(
+                              color: item.quality!.startsWith('24') 
+                                  ? colorScheme.tertiaryContainer 
+                                  : colorScheme.surfaceContainerHighest,
+                              borderRadius: BorderRadius.circular(4),
+                            ),
+                            child: Text(
+                              item.quality!,
+                              style: Theme.of(context).textTheme.labelSmall?.copyWith(
+                                color: item.quality!.startsWith('24') 
+                                    ? colorScheme.onTertiaryContainer 
+                                    : colorScheme.onSurfaceVariant,
+                                fontSize: 10,
+                                fontWeight: FontWeight.w500,
+                              ),
+                            ),
+                          ),
+                        ],
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+              const SizedBox(width: 8),
+              
+              // Action buttons
+              Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  if (fileExists)
+                    IconButton(
+                      onPressed: () => _openFile(item.filePath),
+                      icon: Icon(Icons.play_arrow, color: colorScheme.primary),
+                      tooltip: 'Play',
+                      style: IconButton.styleFrom(
+                        backgroundColor: colorScheme.primaryContainer.withValues(alpha: 0.3),
+                      ),
+                    )
+                  else
+                    Icon(Icons.error_outline, color: colorScheme.error, size: 20),
+                ],
               ),
             ],
           ),
         ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('Close'),
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _showClearAllDialog(BuildContext context, WidgetRef ref) {
-    final colorScheme = Theme.of(context).colorScheme;
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Clear All'),
-        content: const Text('Are you sure you want to clear all downloads?'),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('Cancel'),
-          ),
-          TextButton(
-            onPressed: () {
-              ref.read(downloadQueueProvider.notifier).clearAll();
-              Navigator.pop(context);
-            },
-            child: Text('Clear', style: TextStyle(color: colorScheme.error)),
-          ),
-        ],
       ),
     );
   }

lib/screens/settings/about_page.dart

@@ -0,0 +1,358 @@
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
+import 'package:spotiflac_android/widgets/settings_group.dart';
+
+class AboutPage extends StatelessWidget {
+  const AboutPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return PopScope(
+      canPop: true,
+      child: Scaffold(
+        body: CustomScrollView(
+          slivers: [
+            // Collapsing App Bar with back button
+            SliverAppBar(
+              expandedHeight: 120 + topPadding,
+              collapsedHeight: kToolbarHeight,
+              floating: false,
+              pinned: true,
+              backgroundColor: colorScheme.surface,
+              surfaceTintColor: Colors.transparent,
+              leading: IconButton(
+                icon: const Icon(Icons.arrow_back),
+                onPressed: () => Navigator.pop(context),
+              ),
+              flexibleSpace: LayoutBuilder(
+                builder: (context, constraints) {
+                  final maxHeight = 120 + topPadding;
+                  final minHeight = kToolbarHeight + topPadding;
+                  final expandRatio = ((constraints.maxHeight - minHeight) / (maxHeight - minHeight)).clamp(0.0, 1.0);
+                  // When collapsed (expandRatio=0): left=56 to avoid back button
+                  // When expanded (expandRatio=1): left=24 for normal padding
+                  final leftPadding = 56 - (32 * expandRatio); // 56 -> 24
+                  return FlexibleSpaceBar(
+                    expandedTitleScale: 1.0,
+                    titlePadding: EdgeInsets.only(left: leftPadding, bottom: 16),
+                    title: Text(
+                      'About',
+                      style: TextStyle(
+                        fontSize: 20 + (8 * expandRatio), // 20 -> 28
+                        fontWeight: FontWeight.bold,
+                        color: colorScheme.onSurface,
+                      ),
+                    ),
+                  );
+                },
+              ),
+            ),
+
+          // App header card with logo and description
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
+              child: _AppHeaderCard(),
+            ),
+          ),
+
+          // Contributors section
+          const SliverToBoxAdapter(
+            child: SettingsSectionHeader(title: 'Contributors'),
+          ),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                _ContributorItem(
+                  name: AppInfo.mobileAuthor,
+                  description: 'Mobile version developer',
+                  githubUsername: AppInfo.mobileAuthor,
+                  showDivider: true,
+                ),
+                _ContributorItem(
+                  name: AppInfo.originalAuthor,
+                  description: 'Creator of the original SpotiFLAC',
+                  githubUsername: AppInfo.originalAuthor,
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          // Links section
+          const SliverToBoxAdapter(
+            child: SettingsSectionHeader(title: 'Links'),
+          ),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsItem(
+                  icon: Icons.phone_android,
+                  title: 'Mobile source code',
+                  subtitle: 'github.com/${AppInfo.githubRepo}',
+                  onTap: () => _launchUrl(AppInfo.githubUrl),
+                  showDivider: true,
+                ),
+                SettingsItem(
+                  icon: Icons.computer,
+                  title: 'PC source code',
+                  subtitle: 'github.com/${AppInfo.originalAuthor}/SpotiFLAC',
+                  onTap: () => _launchUrl(AppInfo.originalGithubUrl),
+                  showDivider: true,
+                ),
+                SettingsItem(
+                  icon: Icons.bug_report_outlined,
+                  title: 'Report an issue',
+                  subtitle: 'Report any problems you encounter',
+                  onTap: () => _launchUrl('${AppInfo.githubUrl}/issues/new'),
+                  showDivider: true,
+                ),
+                SettingsItem(
+                  icon: Icons.lightbulb_outline,
+                  title: 'Feature request',
+                  subtitle: 'Suggest new features for the app',
+                  onTap: () => _launchUrl('${AppInfo.githubUrl}/issues/new'),
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          // App info section
+          const SliverToBoxAdapter(
+            child: SettingsSectionHeader(title: 'App'),
+          ),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsItem(
+                  icon: Icons.info_outline,
+                  title: 'Version',
+                  subtitle: 'v${AppInfo.version} (build ${AppInfo.buildNumber})',
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          // Copyright
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.all(24),
+              child: Center(
+                child: Text(
+                  AppInfo.copyright,
+                  style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                    color: colorScheme.onSurfaceVariant,
+                  ),
+                ),
+              ),
+            ),
+          ),
+
+          // Bottom padding
+          const SliverToBoxAdapter(child: SizedBox(height: 16)),
+        ],
+      ),
+      ),
+    );
+  }
+
+  static Future<void> _launchUrl(String url) async {
+    final uri = Uri.parse(url);
+    // Use inAppBrowserView for reliable URL opening with app chooser
+    await launchUrl(uri, mode: LaunchMode.inAppBrowserView);
+  }
+}
+
+class _AppHeaderCard extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    final cardColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.08), colorScheme.surface)
+        : colorScheme.surfaceContainerHighest;
+
+    return Container(
+      decoration: BoxDecoration(
+        color: cardColor,
+        borderRadius: BorderRadius.circular(20),
+      ),
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        children: [
+          // App logo
+          Container(
+            width: 88,
+            height: 88,
+            decoration: BoxDecoration(
+              color: colorScheme.primaryContainer,
+              borderRadius: BorderRadius.circular(24),
+              boxShadow: [
+                BoxShadow(
+                  color: colorScheme.primary.withValues(alpha: 0.2),
+                  blurRadius: 16,
+                  offset: const Offset(0, 4),
+                ),
+              ],
+            ),
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(24),
+              child: Image.asset(
+                'assets/images/logo.png',
+                fit: BoxFit.cover,
+                errorBuilder: (_, _, _) => Icon(
+                  Icons.music_note,
+                  size: 48,
+                  color: colorScheme.onPrimaryContainer,
+                ),
+              ),
+            ),
+          ),
+          const SizedBox(height: 16),
+          // App name
+          Text(
+            AppInfo.appName,
+            style: Theme.of(context).textTheme.headlineSmall?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const SizedBox(height: 4),
+          // Version badge
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
+            decoration: BoxDecoration(
+              color: colorScheme.secondaryContainer,
+              borderRadius: BorderRadius.circular(12),
+            ),
+            child: Text(
+              'v${AppInfo.version}',
+              style: Theme.of(context).textTheme.labelMedium?.copyWith(
+                color: colorScheme.onSecondaryContainer,
+                fontWeight: FontWeight.w600,
+              ),
+            ),
+          ),
+          const SizedBox(height: 16),
+          // Description
+          Text(
+            'Download Spotify tracks in lossless quality from Tidal, Qobuz, and Amazon Music.',
+            textAlign: TextAlign.center,
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+              color: colorScheme.onSurfaceVariant,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ContributorItem extends StatelessWidget {
+  final String name;
+  final String description;
+  final String githubUsername;
+  final bool showDivider;
+
+  const _ContributorItem({
+    required this.name,
+    required this.description,
+    required this.githubUsername,
+    this.showDivider = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        InkWell(
+          onTap: () => _launchGitHub(githubUsername),
+          splashColor: colorScheme.primary.withValues(alpha: 0.12),
+          highlightColor: colorScheme.primary.withValues(alpha: 0.08),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+            child: Row(
+              children: [
+                // GitHub Avatar
+                ClipRRect(
+                  borderRadius: BorderRadius.circular(12),
+                  child: CachedNetworkImage(
+                    imageUrl: 'https://github.com/$githubUsername.png',
+                    width: 40,
+                    height: 40,
+                    fit: BoxFit.cover,
+                    placeholder: (context, url) => Container(
+                      width: 40,
+                      height: 40,
+                      color: colorScheme.surfaceContainerHighest,
+                      child: Icon(
+                        Icons.person,
+                        color: colorScheme.onSurfaceVariant,
+                        size: 20,
+                      ),
+                    ),
+                    errorWidget: (context, url, error) => Container(
+                      width: 40,
+                      height: 40,
+                      color: colorScheme.surfaceContainerHighest,
+                      child: Icon(
+                        Icons.person,
+                        color: colorScheme.onSurfaceVariant,
+                        size: 20,
+                      ),
+                    ),
+                  ),
+                ),
+                const SizedBox(width: 16),
+                // Name and description
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        name,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      ),
+                      const SizedBox(height: 2),
+                      Text(
+                        description,
+                        style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                          color: colorScheme.onSurfaceVariant,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+                // GitHub icon
+                Icon(Icons.chevron_right, color: colorScheme.onSurfaceVariant),
+              ],
+            ),
+          ),
+        ),
+        if (showDivider)
+          Divider(
+            height: 1,
+            thickness: 1,
+            indent: 76,
+            endIndent: 20,
+            color: colorScheme.outlineVariant.withValues(alpha: 0.3),
+          ),
+      ],
+    );
+  }
+
+  Future<void> _launchGitHub(String username) async {
+    final uri = Uri.parse('https://github.com/$username');
+    await launchUrl(uri, mode: LaunchMode.inAppBrowserView);
+  }
+}

lib/screens/settings/appearance_settings_page.dart

@@ -0,0 +1,309 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/providers/theme_provider.dart';
+import 'package:spotiflac_android/widgets/settings_group.dart';
+
+class AppearanceSettingsPage extends ConsumerWidget {
+  const AppearanceSettingsPage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final themeSettings = ref.watch(themeProvider);
+    final settings = ref.watch(settingsProvider);
+    final colorScheme = Theme.of(context).colorScheme;
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return PopScope(
+      canPop: true,
+      child: Scaffold(
+        body: CustomScrollView(
+          slivers: [
+            // Collapsing App Bar with back button
+            SliverAppBar(
+              expandedHeight: 120 + topPadding,
+              collapsedHeight: kToolbarHeight,
+              floating: false,
+              pinned: true,
+              backgroundColor: colorScheme.surface,
+              surfaceTintColor: Colors.transparent,
+              leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => Navigator.pop(context)),
+              flexibleSpace: _AppBarTitle(title: 'Appearance', topPadding: topPadding),
+            ),
+
+            // Theme section
+            const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Theme')),
+            SliverToBoxAdapter(
+              child: SettingsGroup(
+                children: [
+                  _ThemeModeSelector(
+                    currentMode: themeSettings.themeMode,
+                    onChanged: (mode) => ref.read(themeProvider.notifier).setThemeMode(mode),
+                  ),
+                ],
+              ),
+            ),
+
+            // Color section
+            const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Color')),
+            SliverToBoxAdapter(
+              child: SettingsGroup(
+                children: [
+                  SettingsSwitchItem(
+                    icon: Icons.auto_awesome,
+                    title: 'Dynamic Color',
+                    subtitle: 'Use colors from your wallpaper',
+                    value: themeSettings.useDynamicColor,
+                    onChanged: (value) => ref.read(themeProvider.notifier).setUseDynamicColor(value),
+                    showDivider: !themeSettings.useDynamicColor,
+                  ),
+                  if (!themeSettings.useDynamicColor)
+                    _ColorPicker(
+                      currentColor: themeSettings.seedColorValue,
+                      onColorSelected: (color) => ref.read(themeProvider.notifier).setSeedColor(color),
+                    ),
+                ],
+              ),
+            ),
+
+            // Layout section
+            const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Layout')),
+            SliverToBoxAdapter(
+              child: SettingsGroup(
+                children: [
+                  _HistoryViewSelector(
+                    currentMode: settings.historyViewMode,
+                    onChanged: (mode) => ref.read(settingsProvider.notifier).setHistoryViewMode(mode),
+                  ),
+                ],
+              ),
+            ),
+
+            // Fill remaining for scroll
+            const SliverFillRemaining(hasScrollBody: false, child: SizedBox()),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Optimized app bar title with animation
+class _AppBarTitle extends StatelessWidget {
+  final String title;
+  final double topPadding;
+  
+  const _AppBarTitle({required this.title, required this.topPadding});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return LayoutBuilder(
+      builder: (context, constraints) {
+        final maxHeight = 120 + topPadding;
+        final minHeight = kToolbarHeight + topPadding;
+        final expandRatio = ((constraints.maxHeight - minHeight) / (maxHeight - minHeight)).clamp(0.0, 1.0);
+        final leftPadding = 56 - (32 * expandRatio); // 56 -> 24
+        return FlexibleSpaceBar(
+          expandedTitleScale: 1.0,
+          titlePadding: EdgeInsets.only(left: leftPadding, bottom: 16),
+          title: Text(
+            title,
+            style: TextStyle(
+              fontSize: 20 + (8 * expandRatio), // 20 -> 28
+              fontWeight: FontWeight.bold,
+              color: colorScheme.onSurface,
+            ),
+          ),
+        );
+      },
+    );
+  }
+}
+
+class _ThemeModeSelector extends StatelessWidget {
+  final ThemeMode currentMode;
+  final ValueChanged<ThemeMode> onChanged;
+  const _ThemeModeSelector({required this.currentMode, required this.onChanged});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(12),
+      child: Row(children: [
+        _ThemeModeChip(icon: Icons.brightness_auto, label: 'System', isSelected: currentMode == ThemeMode.system, onTap: () => onChanged(ThemeMode.system)),
+        const SizedBox(width: 8),
+        _ThemeModeChip(icon: Icons.light_mode, label: 'Light', isSelected: currentMode == ThemeMode.light, onTap: () => onChanged(ThemeMode.light)),
+        const SizedBox(width: 8),
+        _ThemeModeChip(icon: Icons.dark_mode, label: 'Dark', isSelected: currentMode == ThemeMode.dark, onTap: () => onChanged(ThemeMode.dark)),
+      ]),
+    );
+  }
+}
+
+class _ThemeModeChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final bool isSelected;
+  final VoidCallback onTap;
+  const _ThemeModeChip({required this.icon, required this.label, required this.isSelected, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    // Unselected chips need contrast with card background
+    // Card uses: dark = white 8% overlay, light = surfaceContainerHighest
+    // So chips use: dark = white 5% overlay (darker), light = black 5% overlay (darker than card)
+    final unselectedColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+        : Color.alphaBlend(Colors.black.withValues(alpha: 0.05), colorScheme.surfaceContainerHighest);
+    
+    return Expanded(
+      child: Container(
+        decoration: BoxDecoration(
+          color: isSelected ? colorScheme.primaryContainer : unselectedColor,
+          borderRadius: BorderRadius.circular(12),
+          border: !isDark && !isSelected 
+              ? Border.all(color: colorScheme.outlineVariant.withValues(alpha: 0.5), width: 1)
+              : null,
+        ),
+        child: Material(
+          color: Colors.transparent,
+          borderRadius: BorderRadius.circular(12),
+          child: InkWell(
+            onTap: onTap,
+            borderRadius: BorderRadius.circular(12),
+            child: Padding(
+              padding: const EdgeInsets.symmetric(vertical: 14),
+              child: Column(children: [
+                Icon(icon, color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant),
+                const SizedBox(height: 6),
+                Text(label, style: TextStyle(fontSize: 12,
+                  fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
+                  color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant)),
+              ]),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _ColorPicker extends StatelessWidget {
+  final int currentColor;
+  final ValueChanged<Color> onColorSelected;
+  const _ColorPicker({required this.currentColor, required this.onColorSelected});
+
+  static const _colors = [
+    Color(0xFF1DB954), Color(0xFF6750A4), Color(0xFF0061A4), Color(0xFF006E1C),
+    Color(0xFFBA1A1A), Color(0xFF984061), Color(0xFF7D5260), Color(0xFF006874), Color(0xFFFF6F00),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(20, 8, 20, 16),
+      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+        Text('Accent Color', style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+        const SizedBox(height: 12),
+        Wrap(spacing: 12, runSpacing: 12, children: _colors.map((color) {
+          final isSelected = color.toARGB32() == currentColor;
+          return GestureDetector(
+            onTap: () => onColorSelected(color),
+            child: AnimatedContainer(
+              duration: const Duration(milliseconds: 200),
+              width: 44, height: 44,
+              decoration: BoxDecoration(
+                color: color, shape: BoxShape.circle,
+                border: isSelected ? Border.all(color: colorScheme.onSurface, width: 3) : null,
+                boxShadow: isSelected ? [BoxShadow(color: color.withValues(alpha: 0.4), blurRadius: 8, spreadRadius: 2)] : null,
+              ),
+              child: isSelected ? const Icon(Icons.check, color: Colors.white, size: 20) : null,
+            ),
+          );
+        }).toList()),
+      ]),
+    );
+  }
+}
+
+class _HistoryViewSelector extends StatelessWidget {
+  final String currentMode;
+  final ValueChanged<String> onChanged;
+  const _HistoryViewSelector({required this.currentMode, required this.onChanged});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Padding(
+      padding: const EdgeInsets.all(12),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.only(left: 8, bottom: 8),
+            child: Text('History View', style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+          ),
+          Row(children: [
+            _ViewModeChip(icon: Icons.view_list, label: 'List', isSelected: currentMode == 'list', onTap: () => onChanged('list')),
+            const SizedBox(width: 8),
+            _ViewModeChip(icon: Icons.grid_view, label: 'Grid', isSelected: currentMode == 'grid', onTap: () => onChanged('grid')),
+          ]),
+        ],
+      ),
+    );
+  }
+}
+
+class _ViewModeChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final bool isSelected;
+  final VoidCallback onTap;
+  const _ViewModeChip({required this.icon, required this.label, required this.isSelected, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    // Unselected chips need contrast with card background
+    final unselectedColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+        : Color.alphaBlend(Colors.black.withValues(alpha: 0.05), colorScheme.surfaceContainerHighest);
+    
+    return Expanded(
+      child: Container(
+        decoration: BoxDecoration(
+          color: isSelected ? colorScheme.primaryContainer : unselectedColor,
+          borderRadius: BorderRadius.circular(12),
+          border: !isDark && !isSelected 
+              ? Border.all(color: colorScheme.outlineVariant.withValues(alpha: 0.5), width: 1)
+              : null,
+        ),
+        child: Material(
+          color: Colors.transparent,
+          borderRadius: BorderRadius.circular(12),
+          child: InkWell(
+            onTap: onTap,
+            borderRadius: BorderRadius.circular(12),
+            child: Padding(
+              padding: const EdgeInsets.symmetric(vertical: 14),
+              child: Column(children: [
+                Icon(icon, color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant),
+                const SizedBox(height: 6),
+                Text(label, style: TextStyle(fontSize: 12,
+                  fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
+                  color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant)),
+              ]),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/screens/settings/download_settings_page.dart

@@ -0,0 +1,372 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:file_picker/file_picker.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/widgets/settings_group.dart';
+
+class DownloadSettingsPage extends ConsumerWidget {
+  const DownloadSettingsPage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final settings = ref.watch(settingsProvider);
+    final colorScheme = Theme.of(context).colorScheme;
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return PopScope(
+      canPop: true,
+      child: Scaffold(
+        body: CustomScrollView(
+          slivers: [
+            // Collapsing App Bar with back button
+            SliverAppBar(
+              expandedHeight: 120 + topPadding,
+              collapsedHeight: kToolbarHeight,
+              floating: false,
+              pinned: true,
+              backgroundColor: colorScheme.surface,
+              surfaceTintColor: Colors.transparent,
+              leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => Navigator.pop(context)),
+              flexibleSpace: LayoutBuilder(
+                builder: (context, constraints) {
+                  final maxHeight = 120 + topPadding;
+                  final minHeight = kToolbarHeight + topPadding;
+                  final expandRatio = ((constraints.maxHeight - minHeight) / (maxHeight - minHeight)).clamp(0.0, 1.0);
+                  final leftPadding = 56 - (32 * expandRatio); // 56 -> 24
+                  return FlexibleSpaceBar(
+                    expandedTitleScale: 1.0,
+                    titlePadding: EdgeInsets.only(left: leftPadding, bottom: 16),
+                    title: Text(
+                      'Download',
+                      style: TextStyle(
+                        fontSize: 20 + (8 * expandRatio), // 20 -> 28
+                        fontWeight: FontWeight.bold,
+                        color: colorScheme.onSurface,
+                      ),
+                    ),
+                  );
+                },
+              ),
+            ),
+
+          // Service section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Service')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                _ServiceSelector(
+                  currentService: settings.defaultService,
+                  onChanged: (service) => ref.read(settingsProvider.notifier).setDefaultService(service),
+                ),
+              ],
+            ),
+          ),
+
+          // Quality section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Audio Quality')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsSwitchItem(
+                  icon: Icons.tune,
+                  title: 'Ask Before Download',
+                  subtitle: 'Choose quality for each download',
+                  value: settings.askQualityBeforeDownload,
+                  onChanged: (value) => ref.read(settingsProvider.notifier).setAskQualityBeforeDownload(value),
+                ),
+                if (!settings.askQualityBeforeDownload) ...[
+                  _QualityOption(
+                    title: 'FLAC Lossless',
+                    subtitle: '16-bit / 44.1kHz',
+                    isSelected: settings.audioQuality == 'LOSSLESS',
+                    onTap: () => ref.read(settingsProvider.notifier).setAudioQuality('LOSSLESS'),
+                  ),
+                  _QualityOption(
+                    title: 'Hi-Res FLAC',
+                    subtitle: '24-bit / up to 96kHz',
+                    isSelected: settings.audioQuality == 'HI_RES',
+                    onTap: () => ref.read(settingsProvider.notifier).setAudioQuality('HI_RES'),
+                  ),
+                  _QualityOption(
+                    title: 'Hi-Res FLAC Max',
+                    subtitle: '24-bit / up to 192kHz',
+                    isSelected: settings.audioQuality == 'HI_RES_LOSSLESS',
+                    onTap: () => ref.read(settingsProvider.notifier).setAudioQuality('HI_RES_LOSSLESS'),
+                    showDivider: false,
+                  ),
+                ],
+              ],
+            ),
+          ),
+
+          // File settings section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'File Settings')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsItem(
+                  icon: Icons.text_fields,
+                  title: 'Filename Format',
+                  subtitle: settings.filenameFormat,
+                  onTap: () => _showFormatEditor(context, ref, settings.filenameFormat),
+                ),
+                SettingsItem(
+                  icon: Icons.folder_outlined,
+                  title: 'Download Directory',
+                  subtitle: settings.downloadDirectory.isEmpty ? 'Music/SpotiFLAC' : settings.downloadDirectory,
+                  onTap: () => _pickDirectory(ref),
+                ),
+                SettingsItem(
+                  icon: Icons.create_new_folder_outlined,
+                  title: 'Folder Organization',
+                  subtitle: _getFolderOrganizationLabel(settings.folderOrganization),
+                  onTap: () => _showFolderOrganizationPicker(context, ref, settings.folderOrganization),
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          const SliverToBoxAdapter(child: SizedBox(height: 32)),
+        ],
+      ),
+      ),
+    );
+  }
+
+  void _showFormatEditor(BuildContext context, WidgetRef ref, String current) {
+    final controller = TextEditingController(text: current);
+    final colorScheme = Theme.of(context).colorScheme;
+    showModalBottomSheet(
+      context: context, isScrollControlled: true,
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(28))),
+      builder: (context) => Padding(
+        padding: EdgeInsets.fromLTRB(24, 24, 24, MediaQuery.of(context).viewInsets.bottom + 24),
+        child: Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [
+          Text('Filename Format', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold)),
+          const SizedBox(height: 16),
+          TextField(controller: controller, decoration: const InputDecoration(hintText: '{artist} - {title}'), autofocus: true),
+          const SizedBox(height: 16),
+          Text('Available: {title}, {artist}, {album}, {track}, {year}, {disc}',
+            style: Theme.of(context).textTheme.bodySmall?.copyWith(color: colorScheme.onSurfaceVariant)),
+          const SizedBox(height: 24),
+          Row(mainAxisAlignment: MainAxisAlignment.end, children: [
+            TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
+            const SizedBox(width: 8),
+            FilledButton(onPressed: () { ref.read(settingsProvider.notifier).setFilenameFormat(controller.text); Navigator.pop(context); }, child: const Text('Save')),
+          ]),
+        ]),
+      ),
+    );
+  }
+
+  Future<void> _pickDirectory(WidgetRef ref) async {
+    final result = await FilePicker.platform.getDirectoryPath();
+    if (result != null) ref.read(settingsProvider.notifier).setDownloadDirectory(result);
+  }
+
+  String _getFolderOrganizationLabel(String value) {
+    switch (value) {
+      case 'artist':
+        return 'By Artist';
+      case 'album':
+        return 'By Album';
+      case 'artist_album':
+        return 'By Artist & Album';
+      default:
+        return 'None';
+    }
+  }
+
+  void _showFolderOrganizationPicker(BuildContext context, WidgetRef ref, String current) {
+    final colorScheme = Theme.of(context).colorScheme;
+    showModalBottomSheet(
+      context: context,
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(28))),
+      builder: (context) => SafeArea(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Padding(
+              padding: const EdgeInsets.fromLTRB(24, 24, 24, 8),
+              child: Text('Folder Organization', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold)),
+            ),
+            Padding(
+              padding: const EdgeInsets.fromLTRB(24, 0, 24, 16),
+              child: Text('Organize downloaded files into folders', style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+            ),
+            _FolderOption(
+              title: 'None',
+              subtitle: 'All files in download folder',
+              example: 'SpotiFLAC/Track.flac',
+              isSelected: current == 'none',
+              onTap: () { ref.read(settingsProvider.notifier).setFolderOrganization('none'); Navigator.pop(context); },
+            ),
+            _FolderOption(
+              title: 'By Artist',
+              subtitle: 'Separate folder for each artist',
+              example: 'SpotiFLAC/Artist Name/Track.flac',
+              isSelected: current == 'artist',
+              onTap: () { ref.read(settingsProvider.notifier).setFolderOrganization('artist'); Navigator.pop(context); },
+            ),
+            _FolderOption(
+              title: 'By Album',
+              subtitle: 'Separate folder for each album',
+              example: 'SpotiFLAC/Album Name/Track.flac',
+              isSelected: current == 'album',
+              onTap: () { ref.read(settingsProvider.notifier).setFolderOrganization('album'); Navigator.pop(context); },
+            ),
+            _FolderOption(
+              title: 'By Artist & Album',
+              subtitle: 'Nested folders for artist and album',
+              example: 'SpotiFLAC/Artist/Album/Track.flac',
+              isSelected: current == 'artist_album',
+              onTap: () { ref.read(settingsProvider.notifier).setFolderOrganization('artist_album'); Navigator.pop(context); },
+            ),
+            const SizedBox(height: 16),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _ServiceSelector extends StatelessWidget {
+  final String currentService;
+  final ValueChanged<String> onChanged;
+  const _ServiceSelector({required this.currentService, required this.onChanged});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(12),
+      child: Row(children: [
+        _ServiceChip(icon: Icons.music_note, label: 'Tidal', isSelected: currentService == 'tidal', onTap: () => onChanged('tidal')),
+        const SizedBox(width: 8),
+        _ServiceChip(icon: Icons.album, label: 'Qobuz', isSelected: currentService == 'qobuz', onTap: () => onChanged('qobuz')),
+        const SizedBox(width: 8),
+        _ServiceChip(icon: Icons.shopping_bag, label: 'Amazon', isSelected: currentService == 'amazon', onTap: () => onChanged('amazon')),
+      ]),
+    );
+  }
+}
+
+class _ServiceChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final bool isSelected;
+  final VoidCallback onTap;
+  const _ServiceChip({required this.icon, required this.label, required this.isSelected, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    final unselectedColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+        : colorScheme.surfaceContainerHigh;
+    
+    return Expanded(
+      child: Material(
+        color: isSelected ? colorScheme.primaryContainer : unselectedColor,
+        borderRadius: BorderRadius.circular(12),
+        child: InkWell(
+          onTap: onTap,
+          borderRadius: BorderRadius.circular(12),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(vertical: 14),
+            child: Column(children: [
+              Icon(icon, color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant),
+              const SizedBox(height: 6),
+              Text(label, style: TextStyle(fontSize: 12,
+                fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
+                color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant)),
+            ]),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _QualityOption extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final bool isSelected;
+  final VoidCallback onTap;
+  final bool showDivider;
+  const _QualityOption({required this.title, required this.subtitle, required this.isSelected, required this.onTap, this.showDivider = true});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        InkWell(
+          onTap: onTap,
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+            child: Row(
+              children: [
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(title, style: Theme.of(context).textTheme.bodyLarge),
+                      const SizedBox(height: 2),
+                      Text(subtitle, style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+                    ],
+                  ),
+                ),
+                isSelected 
+                    ? Icon(Icons.check_circle, color: colorScheme.primary)
+                    : Icon(Icons.circle_outlined, color: colorScheme.outline),
+              ],
+            ),
+          ),
+        ),
+        if (showDivider)
+          Divider(
+            height: 1,
+            thickness: 1,
+            indent: 20,
+            endIndent: 20,
+            color: colorScheme.outlineVariant.withValues(alpha: 0.3),
+          ),
+      ],
+    );
+  }
+}
+
+class _FolderOption extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final String example;
+  final bool isSelected;
+  final VoidCallback onTap;
+  const _FolderOption({required this.title, required this.subtitle, required this.example, required this.isSelected, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return ListTile(
+      contentPadding: const EdgeInsets.symmetric(horizontal: 24, vertical: 4),
+      title: Text(title),
+      subtitle: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(subtitle),
+          const SizedBox(height: 4),
+          Text(example, style: TextStyle(fontFamily: 'monospace', fontSize: 11, color: colorScheme.primary)),
+        ],
+      ),
+      trailing: isSelected ? Icon(Icons.check_circle, color: colorScheme.primary) : Icon(Icons.circle_outlined, color: colorScheme.outline),
+      onTap: onTap,
+    );
+  }
+}

lib/screens/settings/options_settings_page.dart

@@ -0,0 +1,395 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:spotiflac_android/models/settings.dart';
+import 'package:spotiflac_android/providers/download_queue_provider.dart';
+import 'package:spotiflac_android/providers/settings_provider.dart';
+import 'package:spotiflac_android/widgets/settings_group.dart';
+
+class OptionsSettingsPage extends ConsumerWidget {
+  const OptionsSettingsPage({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final settings = ref.watch(settingsProvider);
+    final colorScheme = Theme.of(context).colorScheme;
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return PopScope(
+      canPop: true,
+      child: Scaffold(
+        body: CustomScrollView(
+          slivers: [
+            // Collapsing App Bar with back button
+            SliverAppBar(
+              expandedHeight: 120 + topPadding,
+              collapsedHeight: kToolbarHeight,
+              floating: false,
+              pinned: true,
+              backgroundColor: colorScheme.surface,
+              surfaceTintColor: Colors.transparent,
+              leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => Navigator.pop(context)),
+              flexibleSpace: LayoutBuilder(
+                builder: (context, constraints) {
+                  final maxHeight = 120 + topPadding;
+                  final minHeight = kToolbarHeight + topPadding;
+                  final expandRatio = ((constraints.maxHeight - minHeight) / (maxHeight - minHeight)).clamp(0.0, 1.0);
+                  final leftPadding = 56 - (32 * expandRatio); // 56 -> 24
+                  return FlexibleSpaceBar(
+                    expandedTitleScale: 1.0,
+                    titlePadding: EdgeInsets.only(left: leftPadding, bottom: 16),
+                    title: Text(
+                      'Options',
+                      style: TextStyle(
+                        fontSize: 20 + (8 * expandRatio), // 20 -> 28
+                        fontWeight: FontWeight.bold,
+                        color: colorScheme.onSurface,
+                      ),
+                    ),
+                  );
+                },
+              ),
+            ),
+
+          // Download options section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Download')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsSwitchItem(
+                  icon: Icons.sync,
+                  title: 'Auto Fallback',
+                  subtitle: 'Try other services if download fails',
+                  value: settings.autoFallback,
+                  onChanged: (v) => ref.read(settingsProvider.notifier).setAutoFallback(v),
+                ),
+                SettingsSwitchItem(
+                  icon: Icons.lyrics,
+                  title: 'Embed Lyrics',
+                  subtitle: 'Embed synced lyrics into FLAC files',
+                  value: settings.embedLyrics,
+                  onChanged: (v) => ref.read(settingsProvider.notifier).setEmbedLyrics(v),
+                ),
+                SettingsSwitchItem(
+                  icon: Icons.image,
+                  title: 'Max Quality Cover',
+                  subtitle: 'Download highest resolution cover art',
+                  value: settings.maxQualityCover,
+                  onChanged: (v) => ref.read(settingsProvider.notifier).setMaxQualityCover(v),
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          // Performance section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Performance')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                _ConcurrentDownloadsItem(
+                  currentValue: settings.concurrentDownloads,
+                  onChanged: (v) => ref.read(settingsProvider.notifier).setConcurrentDownloads(v),
+                ),
+              ],
+            ),
+          ),
+
+          // App section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'App')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsSwitchItem(
+                  icon: Icons.system_update,
+                  title: 'Check for Updates',
+                  subtitle: 'Notify when new version is available',
+                  value: settings.checkForUpdates,
+                  onChanged: (v) => ref.read(settingsProvider.notifier).setCheckForUpdates(v),
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          // Spotify API section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Spotify API')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsItem(
+                  icon: Icons.key,
+                  title: 'Custom Credentials',
+                  subtitle: settings.spotifyClientId.isNotEmpty 
+                      ? 'Client ID: ${settings.spotifyClientId.length > 8 ? '${settings.spotifyClientId.substring(0, 8)}...' : settings.spotifyClientId}' 
+                      : 'Not configured',
+                  onTap: () => _showSpotifyCredentialsDialog(context, ref, settings),
+                  trailing: settings.spotifyClientId.isNotEmpty
+                      ? Icon(Icons.edit, color: Theme.of(context).colorScheme.onSurfaceVariant, size: 20)
+                      : Icon(Icons.add, color: Theme.of(context).colorScheme.primary, size: 20),
+                  showDivider: settings.spotifyClientId.isNotEmpty,
+                ),
+                if (settings.spotifyClientId.isNotEmpty)
+                  SettingsSwitchItem(
+                    icon: Icons.toggle_on,
+                    title: 'Use Custom Credentials',
+                    subtitle: settings.useCustomSpotifyCredentials 
+                        ? 'Using your credentials' 
+                        : 'Using default credentials',
+                    value: settings.useCustomSpotifyCredentials,
+                    onChanged: (v) => ref.read(settingsProvider.notifier).setUseCustomSpotifyCredentials(v),
+                    showDivider: false,
+                  ),
+              ],
+            ),
+          ),
+
+          // Data section
+          const SliverToBoxAdapter(child: SettingsSectionHeader(title: 'Data')),
+          SliverToBoxAdapter(
+            child: SettingsGroup(
+              children: [
+                SettingsItem(
+                  icon: Icons.delete_forever,
+                  title: 'Clear Download History',
+                  subtitle: 'Remove all downloaded tracks from history',
+                  onTap: () => _showClearHistoryDialog(context, ref, colorScheme),
+                  showDivider: false,
+                ),
+              ],
+            ),
+          ),
+
+          const SliverToBoxAdapter(child: SizedBox(height: 32)),
+        ],
+      ),
+      ),
+    );
+  }
+
+  void _showClearHistoryDialog(BuildContext context, WidgetRef ref, ColorScheme colorScheme) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Clear History'),
+        content: const Text('Are you sure you want to clear all download history? This cannot be undone.'),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Cancel'),
+          ),
+          TextButton(
+            onPressed: () {
+              ref.read(downloadHistoryProvider.notifier).clearHistory();
+              Navigator.pop(context);
+              ScaffoldMessenger.of(context).showSnackBar(
+                const SnackBar(content: Text('History cleared')),
+              );
+            },
+            child: Text('Clear', style: TextStyle(color: colorScheme.error)),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showSpotifyCredentialsDialog(BuildContext context, WidgetRef ref, AppSettings settings) {
+    final clientIdController = TextEditingController(text: settings.spotifyClientId);
+    final clientSecretController = TextEditingController(text: settings.spotifyClientSecret);
+    final colorScheme = Theme.of(context).colorScheme;
+
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(28))),
+      builder: (context) => Padding(
+        padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
+        child: SingleChildScrollView(
+          child: SafeArea(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                const SizedBox(height: 8),
+                Center(child: Container(width: 40, height: 4, decoration: BoxDecoration(color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4), borderRadius: BorderRadius.circular(2)))),
+                Padding(
+                  padding: const EdgeInsets.fromLTRB(24, 20, 24, 8),
+                  child: Text('Spotify API Credentials', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold)),
+                ),
+                Padding(
+                  padding: const EdgeInsets.fromLTRB(24, 0, 24, 16),
+                  child: Text(
+                    'Use your own credentials to avoid rate limiting.',
+                    style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
+                  ),
+                ),
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 24),
+                  child: TextField(
+                    controller: clientIdController,
+                    decoration: InputDecoration(
+                      labelText: 'Client ID',
+                      hintText: 'Enter Spotify Client ID',
+                      filled: true,
+                      fillColor: colorScheme.surfaceContainerLow,
+                      border: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.outline.withValues(alpha: 0.3))),
+                      enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.outline.withValues(alpha: 0.3))),
+                      focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.primary, width: 2)),
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 12),
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 24),
+                  child: TextField(
+                    controller: clientSecretController,
+                    obscureText: true,
+                    decoration: InputDecoration(
+                      labelText: 'Client Secret',
+                      hintText: 'Enter Spotify Client Secret',
+                      filled: true,
+                      fillColor: colorScheme.surfaceContainerLow,
+                      border: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.outline.withValues(alpha: 0.3))),
+                      enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.outline.withValues(alpha: 0.3))),
+                      focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide(color: colorScheme.primary, width: 2)),
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 24),
+                Padding(
+                  padding: const EdgeInsets.fromLTRB(24, 0, 24, 16),
+                  child: Row(
+                    children: [
+                      if (settings.spotifyClientId.isNotEmpty)
+                        Expanded(
+                          child: OutlinedButton(
+                            onPressed: () {
+                              ref.read(settingsProvider.notifier).clearSpotifyCredentials();
+                              Navigator.pop(context);
+                              ScaffoldMessenger.of(context).showSnackBar(
+                                const SnackBar(content: Text('Credentials cleared')),
+                              );
+                            },
+                            style: OutlinedButton.styleFrom(
+                              foregroundColor: colorScheme.error,
+                              side: BorderSide(color: colorScheme.error),
+                              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+                              minimumSize: const Size.fromHeight(52),
+                            ),
+                            child: const Text('Clear'),
+                          ),
+                        ),
+                      if (settings.spotifyClientId.isNotEmpty) const SizedBox(width: 12),
+                      Expanded(
+                        child: FilledButton(
+                          onPressed: () {
+                            final clientId = clientIdController.text.trim();
+                            final clientSecret = clientSecretController.text.trim();
+                            
+                            if (clientId.isNotEmpty && clientSecret.isNotEmpty) {
+                              ref.read(settingsProvider.notifier).setSpotifyCredentials(clientId, clientSecret);
+                              Navigator.pop(context);
+                              ScaffoldMessenger.of(context).showSnackBar(
+                                const SnackBar(content: Text('Credentials saved')),
+                              );
+                            } else if (clientId.isEmpty && clientSecret.isEmpty) {
+                              Navigator.pop(context);
+                            } else {
+                              ScaffoldMessenger.of(context).showSnackBar(
+                                const SnackBar(content: Text('Please fill both Client ID and Secret')),
+                              );
+                            }
+                          },
+                          style: FilledButton.styleFrom(
+                            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+                            minimumSize: const Size.fromHeight(52),
+                          ),
+                          child: const Text('Save'),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _ConcurrentDownloadsItem extends StatelessWidget {
+  final int currentValue;
+  final ValueChanged<int> onChanged;
+  const _ConcurrentDownloadsItem({required this.currentValue, required this.onChanged});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Padding(
+      padding: const EdgeInsets.all(20),
+      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+        Row(children: [
+          Icon(Icons.download_for_offline, color: colorScheme.onSurfaceVariant, size: 24),
+          const SizedBox(width: 16),
+          Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+            Text('Concurrent Downloads', style: Theme.of(context).textTheme.bodyLarge),
+            const SizedBox(height: 2),
+            Text(currentValue == 1 ? 'Sequential (1 at a time)' : '$currentValue parallel downloads',
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+          ])),
+        ]),
+        const SizedBox(height: 16),
+        Row(children: [
+          _ConcurrentChip(label: '1', isSelected: currentValue == 1, onTap: () => onChanged(1)),
+          const SizedBox(width: 8),
+          _ConcurrentChip(label: '2', isSelected: currentValue == 2, onTap: () => onChanged(2)),
+          const SizedBox(width: 8),
+          _ConcurrentChip(label: '3', isSelected: currentValue == 3, onTap: () => onChanged(3)),
+        ]),
+        const SizedBox(height: 12),
+        Row(children: [
+          Icon(Icons.warning_amber_rounded, size: 16, color: colorScheme.error),
+          const SizedBox(width: 8),
+          Expanded(child: Text('Parallel downloads may trigger rate limiting',
+            style: Theme.of(context).textTheme.bodySmall?.copyWith(color: colorScheme.error))),
+        ]),
+      ]),
+    );
+  }
+}
+
+class _ConcurrentChip extends StatelessWidget {
+  final String label;
+  final bool isSelected;
+  final VoidCallback onTap;
+  const _ConcurrentChip({required this.label, required this.isSelected, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    final unselectedColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+        : colorScheme.surfaceContainerHigh;
+    
+    return Expanded(
+      child: Material(
+        color: isSelected ? colorScheme.primaryContainer : unselectedColor,
+        borderRadius: BorderRadius.circular(12),
+        child: InkWell(
+          onTap: onTap,
+          borderRadius: BorderRadius.circular(12),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(vertical: 12),
+            child: Center(child: Text(label, style: TextStyle(
+              fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
+              color: isSelected ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant))),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/screens/settings/settings_tab.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
+import 'package:spotiflac_android/screens/settings/appearance_settings_page.dart';
+import 'package:spotiflac_android/screens/settings/download_settings_page.dart';
+import 'package:spotiflac_android/screens/settings/options_settings_page.dart';
+import 'package:spotiflac_android/screens/settings/about_page.dart';
+import 'package:spotiflac_android/widgets/settings_group.dart';
+
+class SettingsTab extends ConsumerWidget {
+  const SettingsTab({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return CustomScrollView(
+      slivers: [
+        // Collapsing App Bar
+        SliverAppBar(
+          expandedHeight: 130,
+          collapsedHeight: kToolbarHeight,
+          floating: false,
+          pinned: true,
+          backgroundColor: colorScheme.surface,
+          surfaceTintColor: Colors.transparent,
+          automaticallyImplyLeading: false,
+          flexibleSpace: FlexibleSpaceBar(
+            expandedTitleScale: 1.3,
+            titlePadding: const EdgeInsets.only(left: 24, bottom: 16),
+            title: Text(
+              'Settings',
+              style: TextStyle(
+                fontSize: 28,
+                fontWeight: FontWeight.bold,
+                color: colorScheme.onSurface,
+              ),
+            ),
+          ),
+        ),
+
+        // First group: Appearance & Download
+        SliverToBoxAdapter(
+          child: SettingsGroup(
+            margin: const EdgeInsets.fromLTRB(16, 16, 16, 4),
+            children: [
+              SettingsItem(
+                icon: Icons.palette_outlined,
+                title: 'Appearance',
+                subtitle: 'Theme, colors, display',
+                onTap: () => _navigateTo(context, const AppearanceSettingsPage()),
+              ),
+              SettingsItem(
+                icon: Icons.download_outlined,
+                title: 'Download',
+                subtitle: 'Service, quality, filename format',
+                onTap: () => _navigateTo(context, const DownloadSettingsPage()),
+              ),
+              SettingsItem(
+                icon: Icons.tune_outlined,
+                title: 'Options',
+                subtitle: 'Fallback, lyrics, cover art, updates',
+                onTap: () => _navigateTo(context, const OptionsSettingsPage()),
+                showDivider: false,
+              ),
+            ],
+          ),
+        ),
+
+        // Second group: About
+        SliverToBoxAdapter(
+          child: SettingsGroup(
+            children: [
+              SettingsItem(
+                icon: Icons.info_outline,
+                title: 'About',
+                subtitle: 'Version ${AppInfo.version}, credits, GitHub',
+                onTap: () => _navigateTo(context, const AboutPage()),
+                showDivider: false,
+              ),
+            ],
+          ),
+        ),
+        
+        // Fill remaining space
+        const SliverFillRemaining(hasScrollBody: false, child: SizedBox()),
+      ],
+    );
+  }
+
+  void _navigateTo(BuildContext context, Widget page) {
+    Navigator.of(context).push(MaterialPageRoute(builder: (_) => page));
+  }
+}

lib/screens/settings_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/providers/theme_provider.dart';
 
@@ -133,6 +134,15 @@ class SettingsScreen extends ConsumerWidget {
                 : '${settings.concurrentDownloads} parallel downloads'),
             onTap: () => _showConcurrentDownloadsPicker(context, ref, settings.concurrentDownloads),
           ),
+
+          // Check for Updates
+          SwitchListTile(
+            secondary: Icon(Icons.system_update, color: colorScheme.primary),
+            title: const Text('Check for Updates'),
+            subtitle: const Text('Notify when new version is available'),
+            value: settings.checkForUpdates,
+            onChanged: (value) => ref.read(settingsProvider.notifier).setCheckForUpdates(value),
+          ),
           
           const Divider(),
           
@@ -141,22 +151,22 @@ class SettingsScreen extends ConsumerWidget {
           
           ListTile(
             leading: Icon(Icons.code, color: colorScheme.primary),
-            title: const Text('SpotiFLAC Mobile'),
+            title: Text('${AppInfo.appName} Mobile'),
-            subtitle: const Text('github.com/zarzet/SpotiFLAC-Mobile'),
+            subtitle: Text('github.com/${AppInfo.githubRepo}'),
-            onTap: () => _launchUrl('https://github.com/zarzet/SpotiFLAC-Mobile'),
+            onTap: () => _launchUrl(AppInfo.githubUrl),
           ),
           
           ListTile(
             leading: Icon(Icons.computer, color: colorScheme.primary),
-            title: const Text('Original SpotiFLAC (Desktop)'),
+            title: Text('Original ${AppInfo.appName} (Desktop)'),
-            subtitle: const Text('github.com/afkarxyz/SpotiFLAC'),
+            subtitle: Text('github.com/${AppInfo.originalAuthor}/SpotiFLAC'),
-            onTap: () => _launchUrl('https://github.com/afkarxyz/SpotiFLAC'),
+            onTap: () => _launchUrl(AppInfo.originalGithubUrl),
           ),
           
           Padding(
             padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
             child: Text(
-              'Mobile version maintained by zarzet\nOriginal project by afkarxyz',
+              'Mobile version maintained by ${AppInfo.mobileAuthor}\nOriginal project by ${AppInfo.originalAuthor}',
               style: Theme.of(context).textTheme.bodySmall?.copyWith(
                 color: colorScheme.onSurfaceVariant,
               ),
@@ -169,7 +179,7 @@ class SettingsScreen extends ConsumerWidget {
           ListTile(
             leading: Icon(Icons.info, color: colorScheme.primary),
             title: const Text('About'),
-            subtitle: const Text('SpotiFLAC v1.1.1'),
+            subtitle: Text('${AppInfo.appName} v${AppInfo.version}'),
             onTap: () => _showAboutDialog(context),
           ),
         ],
@@ -184,23 +194,23 @@ class SettingsScreen extends ConsumerWidget {
       builder: (context) => AlertDialog(
         title: Row(
           children: [
-            Image.asset('assets/images/logo.png', width: 40, height: 40, errorBuilder: (_, __, ___) => Icon(Icons.music_note, size: 40, color: colorScheme.primary)),
+            Image.asset('assets/images/logo.png', width: 40, height: 40, errorBuilder: (_, _, _) => Icon(Icons.music_note, size: 40, color: colorScheme.primary)),
             const SizedBox(width: 12),
-            const Text('SpotiFLAC'),
+            Text(AppInfo.appName),
           ],
         ),
         content: Column(
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            _buildAboutRow('Version', '1.1.1', colorScheme),
+            _buildAboutRow('Version', AppInfo.version, colorScheme),
             const SizedBox(height: 8),
-            _buildAboutRow('Mobile', 'zarzet', colorScheme),
+            _buildAboutRow('Mobile', AppInfo.mobileAuthor, colorScheme),
             const SizedBox(height: 8),
-            _buildAboutRow('Original', 'afkarxyz', colorScheme),
+            _buildAboutRow('Original', AppInfo.originalAuthor, colorScheme),
             const SizedBox(height: 16),
             Text(
-              '© 2026 SpotiFLAC',
+              AppInfo.copyright,
               style: Theme.of(context).textTheme.bodySmall?.copyWith(
                 color: colorScheme.onSurfaceVariant,
               ),
@@ -382,7 +392,19 @@ class SettingsScreen extends ConsumerWidget {
         title: const Text('Select Quality'),
         content: Column(
           mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            // Disclaimer
+            Padding(
+              padding: const EdgeInsets.only(bottom: 12),
+              child: Text(
+                'Actual quality depends on track availability. Hi-Res may not be available for all tracks.',
+                style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                  color: colorScheme.onSurfaceVariant,
+                  fontStyle: FontStyle.italic,
+                ),
+              ),
+            ),
             _buildQualityOption(context, ref, 'LOSSLESS', 'FLAC (Lossless)', '16-bit / 44.1kHz', current, colorScheme),
             _buildQualityOption(context, ref, 'HI_RES', 'Hi-Res FLAC', '24-bit / up to 192kHz', current, colorScheme),
           ],

lib/screens/settings_tab.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
 import 'package:spotiflac_android/providers/settings_provider.dart';
 import 'package:spotiflac_android/providers/theme_provider.dart';
 
@@ -140,6 +141,15 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
               : '${settings.concurrentDownloads} parallel downloads'),
           onTap: () => _showConcurrentDownloadsPicker(context, ref, settings.concurrentDownloads),
         ),
+
+        // Check for Updates
+        SwitchListTile(
+          secondary: Icon(Icons.system_update, color: colorScheme.primary),
+          title: const Text('Check for Updates'),
+          subtitle: const Text('Notify when new version is available'),
+          value: settings.checkForUpdates,
+          onChanged: (value) => ref.read(settingsProvider.notifier).setCheckForUpdates(value),
+        ),
         
         const Divider(),
         
@@ -148,22 +158,22 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
         
         ListTile(
           leading: Icon(Icons.code, color: colorScheme.primary),
-          title: const Text('SpotiFLAC Mobile'),
+          title: Text('${AppInfo.appName} Mobile'),
-          subtitle: const Text('github.com/zarzet/SpotiFLAC-Mobile'),
+          subtitle: Text('github.com/${AppInfo.githubRepo}'),
-          onTap: () => _launchUrl('https://github.com/zarzet/SpotiFLAC-Mobile'),
+          onTap: () => _launchUrl(AppInfo.githubUrl),
         ),
         
         ListTile(
           leading: Icon(Icons.computer, color: colorScheme.primary),
-          title: const Text('Original SpotiFLAC (Desktop)'),
+          title: Text('Original ${AppInfo.appName} (Desktop)'),
-          subtitle: const Text('github.com/afkarxyz/SpotiFLAC'),
+          subtitle: Text('github.com/${AppInfo.originalAuthor}/SpotiFLAC'),
-          onTap: () => _launchUrl('https://github.com/afkarxyz/SpotiFLAC'),
+          onTap: () => _launchUrl(AppInfo.originalGithubUrl),
         ),
         
         Padding(
           padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
           child: Text(
-            'Mobile version maintained by zarzet\nOriginal project by afkarxyz',
+            'Mobile version maintained by ${AppInfo.mobileAuthor}\nOriginal project by ${AppInfo.originalAuthor}',
             style: Theme.of(context).textTheme.bodySmall?.copyWith(
               color: colorScheme.onSurfaceVariant,
             ),
@@ -176,7 +186,7 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
         ListTile(
           leading: Icon(Icons.info, color: colorScheme.primary),
           title: const Text('About'),
-          subtitle: const Text('SpotiFLAC v1.1.1'),
+          subtitle: Text('${AppInfo.appName} v${AppInfo.version}'),
           onTap: () => _showAboutDialog(context),
         ),
         
@@ -193,23 +203,23 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
       builder: (context) => AlertDialog(
         title: Row(
           children: [
-            Image.asset('assets/images/logo.png', width: 40, height: 40, errorBuilder: (_, __, ___) => Icon(Icons.music_note, size: 40, color: colorScheme.primary)),
+            Image.asset('assets/images/logo.png', width: 40, height: 40, errorBuilder: (_, _, _) => Icon(Icons.music_note, size: 40, color: colorScheme.primary)),
             const SizedBox(width: 12),
-            const Text('SpotiFLAC'),
+            Text(AppInfo.appName),
           ],
         ),
         content: Column(
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            _buildAboutRow('Version', '1.1.1', colorScheme),
+            _buildAboutRow('Version', AppInfo.version, colorScheme),
             const SizedBox(height: 8),
-            _buildAboutRow('Mobile', 'zarzet', colorScheme),
+            _buildAboutRow('Mobile', AppInfo.mobileAuthor, colorScheme),
             const SizedBox(height: 8),
-            _buildAboutRow('Original', 'afkarxyz', colorScheme),
+            _buildAboutRow('Original', AppInfo.originalAuthor, colorScheme),
             const SizedBox(height: 16),
             Text(
-              '© 2026 SpotiFLAC',
+              AppInfo.copyright,
               style: Theme.of(context).textTheme.bodySmall?.copyWith(
                 color: colorScheme.onSurfaceVariant,
               ),
@@ -268,8 +278,9 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
 
   String _getQualityName(String quality) {
     switch (quality) {
-      case 'LOSSLESS': return 'FLAC (Lossless)';
+      case 'LOSSLESS': return 'FLAC (16-bit / 44.1kHz)';
-      case 'HI_RES': return 'Hi-Res FLAC (24-bit)';
+      case 'HI_RES': return 'Hi-Res FLAC (24-bit / 96kHz)';
+      case 'HI_RES_LOSSLESS': return 'Hi-Res FLAC (24-bit / 192kHz)';
       default: return quality;
     }
   }
@@ -378,9 +389,22 @@ class _SettingsTabState extends ConsumerState<SettingsTab> with AutomaticKeepAli
         title: const Text('Select Quality'),
         content: Column(
           mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            // Disclaimer
+            Padding(
+              padding: const EdgeInsets.only(bottom: 12),
+              child: Text(
+                'Actual quality depends on track availability. Hi-Res may not be available for all tracks.',
+                style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                  color: colorScheme.onSurfaceVariant,
+                  fontStyle: FontStyle.italic,
+                ),
+              ),
+            ),
             _buildQualityOption(context, ref, 'LOSSLESS', 'FLAC (Lossless)', '16-bit / 44.1kHz', current, colorScheme),
-            _buildQualityOption(context, ref, 'HI_RES', 'Hi-Res FLAC', '24-bit / up to 192kHz', current, colorScheme),
+            _buildQualityOption(context, ref, 'HI_RES', 'Hi-Res FLAC', '24-bit / up to 96kHz', current, colorScheme),
+            _buildQualityOption(context, ref, 'HI_RES_LOSSLESS', 'Hi-Res FLAC Max', '24-bit / up to 192kHz', current, colorScheme),
           ],
         ),
       ),

lib/screens/setup_screen.dart

@@ -1,4 +1,5 @@
 import 'dart:io';
+import 'dart:math' as math;
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:permission_handler/permission_handler.dart';
@@ -17,11 +18,15 @@ class SetupScreen extends ConsumerStatefulWidget {
 
 class _SetupScreenState extends ConsumerState<SetupScreen> {
   int _currentStep = 0;
-  bool _permissionGranted = false;
+  bool _storagePermissionGranted = false;
+  bool _notificationPermissionGranted = false;
   String? _selectedDirectory;
   bool _isLoading = false;
   int _androidSdkVersion = 0;
 
+  // Total steps: Storage -> Notification (Android 13+) -> Folder
+  int get _totalSteps => _androidSdkVersion >= 33 ? 3 : 2;
+
   @override
   void initState() {
     super.initState();
@@ -35,63 +40,101 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
       _androidSdkVersion = androidInfo.version.sdkInt;
       debugPrint('Android SDK Version: $_androidSdkVersion');
     }
-    await _checkInitialPermission();
+    await _checkInitialPermissions();
   }
 
-  Future<void> _checkInitialPermission() async {
+  Future<void> _checkInitialPermissions() async {
     if (Platform.isIOS) {
-      // iOS doesn't need storage permission - app uses its own Documents directory
       if (mounted) {
-        setState(() => _permissionGranted = true);
+        setState(() {
+          _storagePermissionGranted = true;
+          _notificationPermissionGranted = true;
+        });
       }
     } else if (Platform.isAndroid) {
-      PermissionStatus status;
+      // Check storage permission
-      
+      PermissionStatus storageStatus;
       if (_androidSdkVersion >= 33) {
-        status = await Permission.audio.status;
+        storageStatus = await Permission.audio.status;
       } else if (_androidSdkVersion >= 30) {
-        status = await Permission.manageExternalStorage.status;
+        storageStatus = await Permission.manageExternalStorage.status;
       } else {
-        status = await Permission.storage.status;
+        storageStatus = await Permission.storage.status;
       }
       
-      if (status.isGranted && mounted) {
+      // Check notification permission (Android 13+)
-        setState(() => _permissionGranted = true);
+      PermissionStatus notificationStatus = PermissionStatus.granted;
+      if (_androidSdkVersion >= 33) {
+        notificationStatus = await Permission.notification.status;
+      }
+      
+      if (mounted) {
+        setState(() {
+          _storagePermissionGranted = storageStatus.isGranted;
+          _notificationPermissionGranted = notificationStatus.isGranted;
+        });
       }
     }
   }
 
-  Future<void> _requestPermission() async {
+  Future<void> _requestStoragePermission() async {
     setState(() => _isLoading = true);
 
     try {
       if (Platform.isIOS) {
-        // iOS doesn't need storage permission - app uses its own Documents directory
+        setState(() => _storagePermissionGranted = true);
-        setState(() => _permissionGranted = true);
       } else if (Platform.isAndroid) {
         PermissionStatus status;
         
         if (_androidSdkVersion >= 33) {
+          // Android 13+: Use audio permission
           status = await Permission.audio.request();
-          if (!status.isGranted) {
-            await Permission.notification.request();
-          }
         } else if (_androidSdkVersion >= 30) {
-          status = await Permission.manageExternalStorage.request();
+          // Android 11-12: Need MANAGE_EXTERNAL_STORAGE
+          // This opens system settings, not a dialog
+          status = await Permission.manageExternalStorage.status;
+          if (!status.isGranted) {
+            // Show explanation dialog first
+            if (mounted) {
+              final shouldOpen = await showDialog<bool>(
+                context: context,
+                builder: (context) => AlertDialog(
+                  title: const Text('Storage Access Required'),
+                  content: const Text(
+                    'Android 11+ requires "All files access" permission to save music files.\n\n'
+                    'Please enable "Allow access to manage all files" in the next screen.',
+                  ),
+                  actions: [
+                    TextButton(
+                      onPressed: () => Navigator.pop(context, false),
+                      child: const Text('Cancel'),
+                    ),
+                    FilledButton(
+                      onPressed: () => Navigator.pop(context, true),
+                      child: const Text('Open Settings'),
+                    ),
+                  ],
+                ),
+              );
+              
+              if (shouldOpen == true) {
+                status = await Permission.manageExternalStorage.request();
+              }
+            }
+          }
         } else {
+          // Android 10 and below: Use legacy storage permission
           status = await Permission.storage.request();
         }
         
         if (status.isGranted) {
-          setState(() => _permissionGranted = true);
+          setState(() => _storagePermissionGranted = true);
         } else if (status.isPermanentlyDenied) {
-          _showPermissionDeniedDialog();
+          _showPermissionDeniedDialog('Storage');
         } else {
           if (mounted) {
             ScaffoldMessenger.of(context).showSnackBar(
-              const SnackBar(
+              const SnackBar(content: Text('Permission denied. Please grant permission to continue.')),
-                content: Text('Permission denied. Please grant permission to continue.'),
-              ),
             );
           }
         }
@@ -99,22 +142,46 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
     } catch (e) {
       debugPrint('Permission error: $e');
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Error: $e')));
-          SnackBar(content: Text('Error: $e')),
-        );
       }
     } finally {
       setState(() => _isLoading = false);
     }
   }
 
-  void _showPermissionDeniedDialog() {
+  Future<void> _requestNotificationPermission() async {
+    setState(() => _isLoading = true);
+
+    try {
+      if (_androidSdkVersion >= 33) {
+        final status = await Permission.notification.request();
+        if (status.isGranted) {
+          setState(() => _notificationPermissionGranted = true);
+        } else if (status.isPermanentlyDenied) {
+          _showPermissionDeniedDialog('Notification');
+        }
+      } else {
+        // Notification permission not needed for older Android
+        setState(() => _notificationPermissionGranted = true);
+      }
+    } catch (e) {
+      debugPrint('Notification permission error: $e');
+    } finally {
+      setState(() => _isLoading = false);
+    }
+  }
+
+  void _skipNotificationPermission() {
+    setState(() => _notificationPermissionGranted = true);
+  }
+
+  void _showPermissionDeniedDialog(String permissionType) {
     showDialog(
       context: context,
       builder: (context) => AlertDialog(
-        title: const Text('Permission Required'),
+        title: Text('$permissionType Permission Required'),
-        content: const Text(
+        content: Text(
-          'Storage permission is required to save downloaded music files. '
+          '$permissionType permission is required for the best experience. '
           'Please grant permission in app settings.',
         ),
         actions: [
@@ -151,18 +218,10 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
             context: context,
             builder: (context) => AlertDialog(
               title: const Text('Use Default Folder?'),
-              content: Text(
+              content: Text('No folder selected. Would you like to use the default Music folder?\n\n$defaultDir'),
-                'No folder selected. Would you like to use the default Music folder?\n\n$defaultDir',
-              ),
               actions: [
-                TextButton(
+                TextButton(onPressed: () => Navigator.pop(context, false), child: const Text('Cancel')),
-                  onPressed: () => Navigator.pop(context, false),
+                TextButton(onPressed: () => Navigator.pop(context, true), child: const Text('Use Default')),
-                  child: const Text('Cancel'),
-                ),
-                TextButton(
-                  onPressed: () => Navigator.pop(context, true),
-                  child: const Text('Use Default'),
-                ),
               ],
             ),
           );
@@ -179,7 +238,6 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
 
   Future<String> _getDefaultDirectory() async {
     if (Platform.isIOS) {
-      // iOS: Use Documents directory (accessible via Files app)
       final appDir = await getApplicationDocumentsDirectory();
       final musicDir = Directory('${appDir.path}/SpotiFLAC');
       try {
@@ -225,9 +283,7 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
       }
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Error: $e')));
-          SnackBar(content: Text('Error: $e')),
-        );
       }
     } finally {
       setState(() => _isLoading = false);
@@ -244,9 +300,9 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
           padding: const EdgeInsets.all(24.0),
           child: ConstrainedBox(
             constraints: BoxConstraints(
-              minHeight: MediaQuery.of(context).size.height -
+              minHeight: math.max(0, MediaQuery.of(context).size.height -
                   MediaQuery.of(context).padding.top -
-                  MediaQuery.of(context).padding.bottom - 48,
+                  MediaQuery.of(context).padding.bottom - 48),
             ),
             child: Column(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
@@ -257,27 +313,16 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
                     const SizedBox(height: 24),
                     ClipRRect(
                       borderRadius: BorderRadius.circular(24),
-                      child: Image.asset(
+                      child: Image.asset('assets/images/logo.png', width: 96, height: 96),
-                        'assets/images/logo.png',
-                        width: 96,
-                        height: 96,
-                      ),
                     ),
                     const SizedBox(height: 12),
-                    Text(
+                    Text('SpotiFLAC',
-                      'SpotiFLAC',
                       style: Theme.of(context).textTheme.headlineMedium?.copyWith(
-                        fontWeight: FontWeight.bold,
+                        fontWeight: FontWeight.bold, color: colorScheme.primary)),
-                        color: colorScheme.primary,
-                      ),
-                    ),
                     const SizedBox(height: 4),
-                    Text(
+                    Text('Download Spotify tracks in FLAC',
-                      'Download Spotify tracks in FLAC',
                       style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-                        color: colorScheme.onSurfaceVariant,
+                        color: colorScheme.onSurfaceVariant)),
-                      ),
-                    ),
                   ],
                 ),
 
@@ -287,9 +332,7 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
                     const SizedBox(height: 24),
                     _buildStepIndicator(colorScheme),
                     const SizedBox(height: 24),
-                    _currentStep == 0
+                    _buildCurrentStepContent(colorScheme),
-                        ? _buildPermissionStep(colorScheme)
-                        : _buildDirectoryStep(colorScheme),
                   ],
                 ),
 
@@ -310,27 +353,32 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
   }
 
   Widget _buildStepIndicator(ColorScheme colorScheme) {
+    final steps = _androidSdkVersion >= 33
+        ? ['Storage', 'Notification', 'Folder']
+        : ['Permission', 'Folder'];
+    
     return Row(
       mainAxisAlignment: MainAxisAlignment.center,
       children: [
-        _buildStepDot(0, 'Permission', colorScheme),
+        for (int i = 0; i < steps.length; i++) ...[
-        Padding(
+          if (i > 0)
-          padding: const EdgeInsets.only(bottom: 20), // Offset for label height
+            Padding(
-          child: Container(
+              padding: const EdgeInsets.only(bottom: 20),
-            width: 40,
+              child: Container(
-            height: 2,
+                width: 32,
-            color: _currentStep >= 1 ? colorScheme.primary : colorScheme.surfaceContainerHighest,
+                height: 2,
-          ),
+                color: _currentStep >= i ? colorScheme.primary : colorScheme.surfaceContainerHighest,
-        ),
+              ),
-        _buildStepDot(1, 'Folder', colorScheme),
+            ),
+          _buildStepDot(i, steps[i], colorScheme),
+        ],
       ],
     );
   }
 
   Widget _buildStepDot(int step, String label, ColorScheme colorScheme) {
     final isActive = _currentStep >= step;
-    final isCompleted = (step == 0 && _permissionGranted) ||
+    final isCompleted = _isStepCompleted(step);
-        (step == 1 && _selectedDirectory != null);
 
     return Column(
       children: [
@@ -341,86 +389,143 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
             shape: BoxShape.circle,
             color: isCompleted
                 ? colorScheme.primary
-                : isActive
+                : isActive ? colorScheme.primaryContainer : colorScheme.surfaceContainerHighest,
-                    ? colorScheme.primaryContainer
-                    : colorScheme.surfaceContainerHighest,
           ),
           child: Center(
             child: isCompleted
                 ? Icon(Icons.check, size: 18, color: colorScheme.onPrimary)
-                : Text(
+                : Text('${step + 1}',
-                    '${step + 1}',
                     style: TextStyle(
                       color: isActive ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant,
-                      fontWeight: FontWeight.bold,
+                      fontWeight: FontWeight.bold)),
-                    ),
-                  ),
           ),
         ),
         const SizedBox(height: 4),
-        Text(
+        Text(label,
-          label,
           style: Theme.of(context).textTheme.labelSmall?.copyWith(
-            color: isActive ? colorScheme.onSurface : colorScheme.onSurfaceVariant,
+            color: isActive ? colorScheme.onSurface : colorScheme.onSurfaceVariant)),
-          ),
-        ),
       ],
     );
   }
 
-  Widget _buildPermissionStep(ColorScheme colorScheme) {
+  bool _isStepCompleted(int step) {
+    if (_androidSdkVersion >= 33) {
+      // 3 steps: Storage, Notification, Folder
+      switch (step) {
+        case 0: return _storagePermissionGranted;
+        case 1: return _notificationPermissionGranted;
+        case 2: return _selectedDirectory != null;
+      }
+    } else {
+      // 2 steps: Permission, Folder
+      switch (step) {
+        case 0: return _storagePermissionGranted;
+        case 1: return _selectedDirectory != null;
+      }
+    }
+    return false;
+  }
+
+  Widget _buildCurrentStepContent(ColorScheme colorScheme) {
+    if (_androidSdkVersion >= 33) {
+      switch (_currentStep) {
+        case 0: return _buildStoragePermissionStep(colorScheme);
+        case 1: return _buildNotificationPermissionStep(colorScheme);
+        case 2: return _buildDirectoryStep(colorScheme);
+      }
+    } else {
+      switch (_currentStep) {
+        case 0: return _buildStoragePermissionStep(colorScheme);
+        case 1: return _buildDirectoryStep(colorScheme);
+      }
+    }
+    return const SizedBox();
+  }
+
+  Widget _buildStoragePermissionStep(ColorScheme colorScheme) {
     return Column(
       mainAxisAlignment: MainAxisAlignment.center,
       mainAxisSize: MainAxisSize.min,
       children: [
         Icon(
-          _permissionGranted ? Icons.check_circle : Icons.folder_open,
+          _storagePermissionGranted ? Icons.check_circle : Icons.folder_open,
           size: 56,
-          color: _permissionGranted ? colorScheme.primary : colorScheme.onSurfaceVariant,
+          color: _storagePermissionGranted ? colorScheme.primary : colorScheme.onSurfaceVariant,
         ),
         const SizedBox(height: 16),
         Text(
-          _permissionGranted
+          _storagePermissionGranted ? 'Storage Permission Granted!' : 'Storage Permission Required',
-              ? 'Storage Permission Granted!'
+          style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
-              : 'Storage Permission Required',
-          style: Theme.of(context).textTheme.titleMedium?.copyWith(
-            fontWeight: FontWeight.bold,
-          ),
           textAlign: TextAlign.center,
         ),
         const SizedBox(height: 8),
         Text(
-          _permissionGranted
+          _storagePermissionGranted
-              ? 'You can now select where to save your music files.'
+              ? 'You can now proceed to the next step.'
               : 'SpotiFLAC needs storage access to save downloaded music files to your device.',
-          style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+          style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
-            color: colorScheme.onSurfaceVariant,
-          ),
           textAlign: TextAlign.center,
         ),
         const SizedBox(height: 20),
-        if (!_permissionGranted)
+        if (!_storagePermissionGranted)
           FilledButton.icon(
-            onPressed: _isLoading ? null : _requestPermission,
+            onPressed: _isLoading ? null : _requestStoragePermission,
             icon: _isLoading
-                ? SizedBox(
+                ? SizedBox(width: 20, height: 20,
-                    width: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2, color: colorScheme.onPrimary))
-                    height: 20,
-                    child: CircularProgressIndicator(
-                      strokeWidth: 2,
-                      color: colorScheme.onPrimary,
-                    ),
-                  )
                 : const Icon(Icons.security),
             label: const Text('Grant Permission'),
-            style: FilledButton.styleFrom(
+            style: FilledButton.styleFrom(padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12)),
-              padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
-            ),
           ),
       ],
     );
   }
 
+  Widget _buildNotificationPermissionStep(ColorScheme colorScheme) {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Icon(
+          _notificationPermissionGranted ? Icons.check_circle : Icons.notifications_outlined,
+          size: 56,
+          color: _notificationPermissionGranted ? colorScheme.primary : colorScheme.onSurfaceVariant,
+        ),
+        const SizedBox(height: 16),
+        Text(
+          _notificationPermissionGranted ? 'Notification Permission Granted!' : 'Enable Notifications',
+          style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
+          textAlign: TextAlign.center,
+        ),
+        const SizedBox(height: 8),
+        Text(
+          _notificationPermissionGranted
+              ? 'You will receive download progress notifications.'
+              : 'Get notified about download progress and completion. This helps you track downloads when the app is in background.',
+          style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
+          textAlign: TextAlign.center,
+        ),
+        const SizedBox(height: 20),
+        if (!_notificationPermissionGranted) ...[
+          FilledButton.icon(
+            onPressed: _isLoading ? null : _requestNotificationPermission,
+            icon: _isLoading
+                ? SizedBox(width: 20, height: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2, color: colorScheme.onPrimary))
+                : const Icon(Icons.notifications_active),
+            label: const Text('Enable Notifications'),
+            style: FilledButton.styleFrom(padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12)),
+          ),
+          const SizedBox(height: 12),
+          TextButton(
+            onPressed: _skipNotificationPermission,
+            child: const Text('Skip for now'),
+          ),
+        ],
+      ],
+    );
+  }
+
   Widget _buildDirectoryStep(ColorScheme colorScheme) {
     return Column(
       mainAxisAlignment: MainAxisAlignment.center,
@@ -433,12 +538,8 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
         ),
         const SizedBox(height: 16),
         Text(
-          _selectedDirectory != null
+          _selectedDirectory != null ? 'Download Folder Selected!' : 'Choose Download Folder',
-              ? 'Download Folder Selected!'
+          style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
-              : 'Choose Download Folder',
-          style: Theme.of(context).textTheme.titleMedium?.copyWith(
-            fontWeight: FontWeight.bold,
-          ),
           textAlign: TextAlign.center,
         ),
         const SizedBox(height: 8),
@@ -455,46 +556,35 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
                 Icon(Icons.folder, color: colorScheme.primary, size: 20),
                 const SizedBox(width: 8),
                 Flexible(
-                  child: Text(
+                  child: Text(_selectedDirectory!,
-                    _selectedDirectory!,
                     style: Theme.of(context).textTheme.bodySmall,
-                    overflow: TextOverflow.ellipsis,
+                    overflow: TextOverflow.ellipsis),
-                  ),
                 ),
               ],
             ),
           )
         else
-          Text(
+          Text('Select a folder where your downloaded music will be saved.',
-            'Select a folder where your downloaded music will be saved.',
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant),
-            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+            textAlign: TextAlign.center),
-              color: colorScheme.onSurfaceVariant,
-            ),
-            textAlign: TextAlign.center,
-          ),
         const SizedBox(height: 20),
         FilledButton.icon(
           onPressed: _isLoading ? null : _selectDirectory,
           icon: _isLoading
-              ? SizedBox(
+              ? SizedBox(width: 20, height: 20,
-                  width: 20,
+                  child: CircularProgressIndicator(strokeWidth: 2, color: colorScheme.onPrimary))
-                  height: 20,
-                  child: CircularProgressIndicator(
-                    strokeWidth: 2,
-                    color: colorScheme.onPrimary,
-                  ),
-                )
               : Icon(_selectedDirectory != null ? Icons.edit : Icons.folder_open),
           label: Text(_selectedDirectory != null ? 'Change Folder' : 'Select Folder'),
-          style: FilledButton.styleFrom(
+          style: FilledButton.styleFrom(padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12)),
-            padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
-          ),
         ),
       ],
     );
   }
 
   Widget _buildNavigationButtons(ColorScheme colorScheme) {
+    final isLastStep = _currentStep == _totalSteps - 1;
+    final canProceed = _isStepCompleted(_currentStep);
+
     return Row(
       mainAxisAlignment: MainAxisAlignment.spaceBetween,
       children: [
@@ -509,41 +599,23 @@ class _SetupScreenState extends ConsumerState<SetupScreen> {
           const SizedBox(width: 100),
 
         // Next/Finish button
-        if (_currentStep == 0)
+        if (!isLastStep)
           FilledButton(
-            onPressed: _permissionGranted
+            onPressed: canProceed ? () => setState(() => _currentStep++) : null,
-                ? () => setState(() => _currentStep++)
-                : null,
             child: const Row(
               mainAxisSize: MainAxisSize.min,
-              children: [
+              children: [Text('Next'), SizedBox(width: 8), Icon(Icons.arrow_forward, size: 18)],
-                Text('Next'),
-                SizedBox(width: 8),
-                Icon(Icons.arrow_forward, size: 18),
-              ],
             ),
           )
         else
           FilledButton(
-            onPressed: _selectedDirectory != null && !_isLoading
+            onPressed: _selectedDirectory != null && !_isLoading ? _completeSetup : null,
-                ? _completeSetup
-                : null,
             child: _isLoading
-                ? SizedBox(
+                ? SizedBox(width: 20, height: 20,
-                    width: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2, color: colorScheme.onPrimary))
-                    height: 20,
-                    child: CircularProgressIndicator(
-                      strokeWidth: 2, 
-                      color: colorScheme.onPrimary,
-                    ),
-                  )
                 : const Row(
                     mainAxisSize: MainAxisSize.min,
-                    children: [
+                    children: [Text('Get Started'), SizedBox(width: 8), Icon(Icons.check, size: 18)],
-                      Text('Get Started'),
-                      SizedBox(width: 8),
-                      Icon(Icons.check, size: 18),
-                    ],
                   ),
           ),
       ],

lib/services/apk_downloader.dart

@@ -0,0 +1,82 @@
+import 'dart:io';
+import 'package:http/http.dart' as http;
+import 'package:path_provider/path_provider.dart';
+import 'package:open_filex/open_filex.dart';
+import 'package:spotiflac_android/utils/logger.dart';
+
+final _log = AppLogger('ApkDownloader');
+
+typedef ProgressCallback = void Function(int received, int total);
+
+class ApkDownloader {
+  static Future<String?> downloadApk({
+    required String url,
+    required String version,
+    ProgressCallback? onProgress,
+  }) async {
+    // Validate URL for security
+    final uri = Uri.tryParse(url);
+    if (uri == null || uri.scheme != 'https') {
+      _log.e('Refusing to download from invalid or non-HTTPS URL');
+      return null;
+    }
+
+    final client = http.Client();
+    IOSink? sink;
+    
+    try {
+      final request = http.Request('GET', uri);
+      final response = await client.send(request);
+
+      if (response.statusCode != 200) {
+        _log.e('Failed to download: ${response.statusCode}');
+        return null;
+      }
+
+      final contentLength = response.contentLength ?? 0;
+      
+      // Get download directory
+      final dir = await getExternalStorageDirectory();
+      if (dir == null) {
+        _log.e('Could not get storage directory');
+        return null;
+      }
+
+      final filePath = '${dir.path}/SpotiFLAC-$version.apk';
+      final file = File(filePath);
+      
+      // Delete if exists
+      if (await file.exists()) {
+        await file.delete();
+      }
+
+      sink = file.openWrite();
+      int received = 0;
+
+      await for (final chunk in response.stream) {
+        sink.add(chunk);
+        received += chunk.length;
+        onProgress?.call(received, contentLength);
+      }
+
+      await sink.flush();
+      _log.i('Downloaded to: $filePath');
+      return filePath;
+    } catch (e) {
+      _log.e('Error: $e');
+      return null;
+    } finally {
+      await sink?.close();
+      client.close();
+    }
+  }
+
+  static Future<void> installApk(String filePath) async {
+    try {
+      final result = await OpenFilex.open(filePath);
+      _log.i('Open result: ${result.type} - ${result.message}');
+    } catch (e) {
+      _log.e('Install error: $e');
+    }
+  }
+}

lib/services/ffmpeg_service.dart

@@ -1,6 +1,9 @@
 import 'dart:io';
 import 'package:ffmpeg_kit_flutter_new_audio/ffmpeg_kit.dart';
 import 'package:ffmpeg_kit_flutter_new_audio/return_code.dart';
+import 'package:spotiflac_android/utils/logger.dart';
+
+final _log = AppLogger('FFmpeg');
 
 /// FFmpeg service for audio conversion and remuxing
 class FFmpegService {
@@ -27,7 +30,7 @@ class FFmpegService {
     // Log error for debugging
     final logs = await session.getLogs();
     for (final log in logs) {
-      print('[FFmpeg] ${log.getMessage()}');
+      _log.d(log.getMessage());
     }
 
     return null;

lib/services/notification_service.dart

@@ -0,0 +1,346 @@
+import 'dart:io';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+class NotificationService {
+  static final NotificationService _instance = NotificationService._internal();
+  factory NotificationService() => _instance;
+  NotificationService._internal();
+
+  final FlutterLocalNotificationsPlugin _notifications = FlutterLocalNotificationsPlugin();
+  bool _isInitialized = false;
+
+  static const int downloadProgressId = 1;
+  static const int updateDownloadId = 2;
+  static const String channelId = 'download_progress';
+  static const String channelName = 'Download Progress';
+  static const String channelDescription = 'Shows download progress for tracks';
+
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+
+    const androidSettings = AndroidInitializationSettings('@mipmap/ic_launcher');
+    const iosSettings = DarwinInitializationSettings(
+      requestAlertPermission: true,
+      requestBadgePermission: true,
+      requestSoundPermission: false,
+    );
+
+    const initSettings = InitializationSettings(
+      android: androidSettings,
+      iOS: iosSettings,
+    );
+
+    await _notifications.initialize(initSettings);
+
+    // Create notification channel for Android
+    if (Platform.isAndroid) {
+      await _notifications
+          .resolvePlatformSpecificImplementation<AndroidFlutterLocalNotificationsPlugin>()
+          ?.createNotificationChannel(
+            const AndroidNotificationChannel(
+              channelId,
+              channelName,
+              description: channelDescription,
+              importance: Importance.low,
+              showBadge: false,
+              playSound: false,
+              enableVibration: false,
+            ),
+          );
+    }
+
+    _isInitialized = true;
+  }
+
+  Future<void> showDownloadProgress({
+    required String trackName,
+    required String artistName,
+    required int progress,
+    required int total,
+  }) async {
+    if (!_isInitialized) await initialize();
+
+    final percentage = total > 0 ? (progress * 100 ~/ total) : 0;
+    
+    final androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.low,
+      priority: Priority.low,
+      showProgress: true,
+      maxProgress: 100,
+      progress: percentage,
+      ongoing: true,
+      autoCancel: false,
+      playSound: false,
+      enableVibration: false,
+      onlyAlertOnce: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: false,
+      presentBadge: false,
+      presentSound: false,
+    );
+
+    final details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      downloadProgressId,
+      'Downloading $trackName',
+      '$artistName • $percentage%',
+      details,
+    );
+  }
+
+  Future<void> showDownloadFinalizing({
+    required String trackName,
+    required String artistName,
+  }) async {
+    if (!_isInitialized) await initialize();
+
+    final androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.low,
+      priority: Priority.low,
+      showProgress: true,
+      maxProgress: 100,
+      progress: 100,
+      indeterminate: false,
+      ongoing: true,
+      autoCancel: false,
+      playSound: false,
+      enableVibration: false,
+      onlyAlertOnce: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: false,
+      presentBadge: false,
+      presentSound: false,
+    );
+
+    final details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      downloadProgressId,
+      'Finalizing $trackName',
+      '$artistName • Embedding metadata...',
+      details,
+    );
+  }
+
+  Future<void> showDownloadComplete({
+    required String trackName,
+    required String artistName,
+    int? completedCount,
+    int? totalCount,
+  }) async {
+    if (!_isInitialized) await initialize();
+
+    final title = completedCount != null && totalCount != null
+        ? 'Download Complete ($completedCount/$totalCount)'
+        : 'Download Complete';
+
+    const androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.defaultImportance,
+      priority: Priority.defaultPriority,
+      autoCancel: true,
+      playSound: false,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: true,
+      presentSound: false,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      downloadProgressId,
+      title,
+      '$trackName - $artistName',
+      details,
+    );
+  }
+
+  Future<void> showQueueComplete({
+    required int completedCount,
+    required int failedCount,
+  }) async {
+    if (!_isInitialized) await initialize();
+
+    final title = failedCount > 0
+        ? 'Downloads Finished ($completedCount done, $failedCount failed)'
+        : 'All Downloads Complete';
+
+    const androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.defaultImportance,
+      priority: Priority.defaultPriority,
+      autoCancel: true,
+      playSound: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: true,
+      presentSound: true,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      downloadProgressId,
+      title,
+      '$completedCount tracks downloaded successfully',
+      details,
+    );
+  }
+
+  Future<void> cancelDownloadNotification() async {
+    await _notifications.cancel(downloadProgressId);
+  }
+
+  // Update APK download notifications
+  Future<void> showUpdateDownloadProgress({
+    required String version,
+    required int received,
+    required int total,
+  }) async {
+    if (!_isInitialized) await initialize();
+
+    final percentage = total > 0 ? (received * 100 ~/ total) : 0;
+    final receivedMB = (received / 1024 / 1024).toStringAsFixed(1);
+    final totalMB = (total / 1024 / 1024).toStringAsFixed(1);
+    
+    final androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.low,
+      priority: Priority.low,
+      showProgress: true,
+      maxProgress: 100,
+      progress: percentage,
+      ongoing: true,
+      autoCancel: false,
+      playSound: false,
+      enableVibration: false,
+      onlyAlertOnce: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: false,
+      presentBadge: false,
+      presentSound: false,
+    );
+
+    final details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      updateDownloadId,
+      'Downloading SpotiFLAC v$version',
+      '$receivedMB / $totalMB MB • $percentage%',
+      details,
+    );
+  }
+
+  Future<void> showUpdateDownloadComplete({required String version}) async {
+    if (!_isInitialized) await initialize();
+
+    const androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.defaultImportance,
+      priority: Priority.defaultPriority,
+      autoCancel: true,
+      playSound: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: true,
+      presentSound: true,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      updateDownloadId,
+      'Update Ready',
+      'SpotiFLAC v$version downloaded. Tap to install.',
+      details,
+    );
+  }
+
+  Future<void> showUpdateDownloadFailed() async {
+    if (!_isInitialized) await initialize();
+
+    const androidDetails = AndroidNotificationDetails(
+      channelId,
+      channelName,
+      channelDescription: channelDescription,
+      importance: Importance.defaultImportance,
+      priority: Priority.defaultPriority,
+      autoCancel: true,
+      icon: '@mipmap/ic_launcher',
+    );
+
+    const iosDetails = DarwinNotificationDetails(
+      presentAlert: true,
+      presentBadge: false,
+      presentSound: false,
+    );
+
+    const details = NotificationDetails(
+      android: androidDetails,
+      iOS: iosDetails,
+    );
+
+    await _notifications.show(
+      updateDownloadId,
+      'Update Failed',
+      'Could not download update. Try again later.',
+      details,
+    );
+  }
+
+  Future<void> cancelUpdateNotification() async {
+    await _notifications.cancel(updateDownloadId);
+  }
+}

lib/services/platform_bridge.dart

@@ -26,6 +26,16 @@ class PlatformBridge {
     return jsonDecode(result as String) as Map<String, dynamic>;
   }
 
+  /// Search Spotify for tracks and artists
+  static Future<Map<String, dynamic>> searchSpotifyAll(String query, {int trackLimit = 15, int artistLimit = 3}) async {
+    final result = await _channel.invokeMethod('searchSpotifyAll', {
+      'query': query,
+      'track_limit': trackLimit,
+      'artist_limit': artistLimit,
+    });
+    return jsonDecode(result as String) as Map<String, dynamic>;
+  }
+
   /// Check track availability on streaming services
   static Future<Map<String, dynamic>> checkAvailability(String spotifyId, String isrc) async {
     final result = await _channel.invokeMethod('checkAvailability', {
@@ -47,12 +57,15 @@ class PlatformBridge {
     String? coverUrl,
     required String outputDir,
     required String filenameFormat,
+    String quality = 'LOSSLESS',
     bool embedLyrics = true,
     bool embedMaxQualityCover = true,
     int trackNumber = 1,
     int discNumber = 1,
     int totalTracks = 1,
     String? releaseDate,
+    String? itemId,
+    int durationMs = 0,
   }) async {
     final request = jsonEncode({
       'isrc': isrc,
@@ -65,12 +78,15 @@ class PlatformBridge {
       'cover_url': coverUrl,
       'output_dir': outputDir,
       'filename_format': filenameFormat,
+      'quality': quality,
       'embed_lyrics': embedLyrics,
       'embed_max_quality_cover': embedMaxQualityCover,
       'track_number': trackNumber,
       'disc_number': discNumber,
       'total_tracks': totalTracks,
       'release_date': releaseDate ?? '',
+      'item_id': itemId ?? '',
+      'duration_ms': durationMs,
     });
     
     final result = await _channel.invokeMethod('downloadTrack', request);
@@ -88,6 +104,7 @@ class PlatformBridge {
     String? coverUrl,
     required String outputDir,
     required String filenameFormat,
+    String quality = 'LOSSLESS',
     bool embedLyrics = true,
     bool embedMaxQualityCover = true,
     int trackNumber = 1,
@@ -95,6 +112,8 @@ class PlatformBridge {
     int totalTracks = 1,
     String? releaseDate,
     String preferredService = 'tidal',
+    String? itemId,
+    int durationMs = 0,
   }) async {
     final request = jsonEncode({
       'isrc': isrc,
@@ -107,24 +126,48 @@ class PlatformBridge {
       'cover_url': coverUrl,
       'output_dir': outputDir,
       'filename_format': filenameFormat,
+      'quality': quality,
       'embed_lyrics': embedLyrics,
       'embed_max_quality_cover': embedMaxQualityCover,
       'track_number': trackNumber,
       'disc_number': discNumber,
       'total_tracks': totalTracks,
       'release_date': releaseDate ?? '',
+      'item_id': itemId ?? '',
+      'duration_ms': durationMs,
     });
     
     final result = await _channel.invokeMethod('downloadWithFallback', request);
     return jsonDecode(result as String) as Map<String, dynamic>;
   }
 
-  /// Get download progress
+  /// Get download progress (legacy single download)
   static Future<Map<String, dynamic>> getDownloadProgress() async {
     final result = await _channel.invokeMethod('getDownloadProgress');
     return jsonDecode(result as String) as Map<String, dynamic>;
   }
 
+  /// Get progress for all active downloads (concurrent mode)
+  static Future<Map<String, dynamic>> getAllDownloadProgress() async {
+    final result = await _channel.invokeMethod('getAllDownloadProgress');
+    return jsonDecode(result as String) as Map<String, dynamic>;
+  }
+
+  /// Initialize progress tracking for a download item
+  static Future<void> initItemProgress(String itemId) async {
+    await _channel.invokeMethod('initItemProgress', {'item_id': itemId});
+  }
+
+  /// Finish progress tracking for a download item
+  static Future<void> finishItemProgress(String itemId) async {
+    await _channel.invokeMethod('finishItemProgress', {'item_id': itemId});
+  }
+
+  /// Clear progress tracking for a download item
+  static Future<void> clearItemProgress(String itemId) async {
+    await _channel.invokeMethod('clearItemProgress', {'item_id': itemId});
+  }
+
   /// Set download directory
   static Future<void> setDownloadDirectory(String path) async {
     await _channel.invokeMethod('setDownloadDirectory', {'path': path});
@@ -171,15 +214,18 @@ class PlatformBridge {
   }
 
   /// Get lyrics in LRC format
+  /// First tries to extract from embedded file, then falls back to internet
   static Future<String> getLyricsLRC(
     String spotifyId,
     String trackName,
-    String artistName,
+    String artistName, {
-  ) async {
+    String? filePath,
+  }) async {
     final result = await _channel.invokeMethod('getLyricsLRC', {
       'spotify_id': spotifyId,
       'track_name': trackName,
       'artist_name': artistName,
+      'file_path': filePath ?? '',
     });
     return result as String;
   }
@@ -201,4 +247,54 @@ class PlatformBridge {
   static Future<void> cleanupConnections() async {
     await _channel.invokeMethod('cleanupConnections');
   }
+
+  /// Start foreground download service to keep downloads running in background
+  static Future<void> startDownloadService({
+    String trackName = '',
+    String artistName = '',
+    int queueCount = 0,
+  }) async {
+    await _channel.invokeMethod('startDownloadService', {
+      'track_name': trackName,
+      'artist_name': artistName,
+      'queue_count': queueCount,
+    });
+  }
+
+  /// Stop foreground download service
+  static Future<void> stopDownloadService() async {
+    await _channel.invokeMethod('stopDownloadService');
+  }
+
+  /// Update download service notification progress
+  static Future<void> updateDownloadServiceProgress({
+    required String trackName,
+    required String artistName,
+    required int progress,
+    required int total,
+    required int queueCount,
+  }) async {
+    await _channel.invokeMethod('updateDownloadServiceProgress', {
+      'track_name': trackName,
+      'artist_name': artistName,
+      'progress': progress,
+      'total': total,
+      'queue_count': queueCount,
+    });
+  }
+
+  /// Check if download service is running
+  static Future<bool> isDownloadServiceRunning() async {
+    final result = await _channel.invokeMethod('isDownloadServiceRunning');
+    return result as bool;
+  }
+
+  /// Set custom Spotify API credentials
+  /// Pass empty strings to use default credentials
+  static Future<void> setSpotifyCredentials(String clientId, String clientSecret) async {
+    await _channel.invokeMethod('setSpotifyCredentials', {
+      'client_id': clientId,
+      'client_secret': clientSecret,
+    });
+  }
 }

lib/services/share_intent_service.dart

@@ -0,0 +1,99 @@
+import 'dart:async';
+import 'package:receive_sharing_intent/receive_sharing_intent.dart';
+import 'package:spotiflac_android/utils/logger.dart';
+
+final _log = AppLogger('ShareIntent');
+
+/// Service to handle incoming share intents from other apps (e.g., Spotify)
+class ShareIntentService {
+  static final ShareIntentService _instance = ShareIntentService._internal();
+  factory ShareIntentService() => _instance;
+  ShareIntentService._internal();
+
+  final _sharedUrlController = StreamController<String>.broadcast();
+  StreamSubscription<List<SharedMediaFile>>? _mediaSubscription;
+  bool _initialized = false;
+  String? _pendingUrl; // Store URL received before listener is ready
+
+  /// Stream of shared Spotify URLs
+  Stream<String> get sharedUrlStream => _sharedUrlController.stream;
+
+  /// Get pending URL that was received before listener was ready
+  String? consumePendingUrl() {
+    final url = _pendingUrl;
+    _pendingUrl = null;
+    return url;
+  }
+
+  /// Initialize the service and start listening for share intents
+  Future<void> initialize() async {
+    if (_initialized) return;
+    _initialized = true;
+
+    // Listen to media sharing coming from outside the app while the app is in memory
+    _mediaSubscription = ReceiveSharingIntent.instance.getMediaStream().listen(
+      _handleSharedMedia,
+      onError: (err) => _log.e('Error: $err'),
+    );
+
+    // Get the media sharing coming from outside the app while the app is closed
+    final initialMedia = await ReceiveSharingIntent.instance.getInitialMedia();
+    if (initialMedia.isNotEmpty) {
+      _handleSharedMedia(initialMedia, isInitial: true);
+      // Tell the library that we are done processing the intent
+      ReceiveSharingIntent.instance.reset();
+    }
+  }
+
+  void _handleSharedMedia(List<SharedMediaFile> files, {bool isInitial = false}) {
+    for (final file in files) {
+      // Check the path - for text shares, the path contains the shared text
+      final textToCheck = file.path;
+      
+      final url = _extractSpotifyUrl(textToCheck);
+      if (url != null) {
+        _log.i('Received Spotify URL: $url (initial: $isInitial)');
+        if (isInitial) {
+          // Store for later - listener might not be ready yet
+          _pendingUrl = url;
+        }
+        _sharedUrlController.add(url);
+        return; // Only process first valid URL
+      }
+    }
+  }
+
+  /// Extract Spotify URL from shared text
+  /// Handles various formats:
+  /// - Direct URL: https://open.spotify.com/track/xxx
+  /// - With text: "Check out this song! https://open.spotify.com/track/xxx"
+  /// - Spotify URI: spotify:track:xxx
+  String? _extractSpotifyUrl(String text) {
+    if (text.isEmpty) return null;
+
+    // Check for spotify: URI format
+    final uriMatch = RegExp(r'spotify:(track|album|playlist|artist):[a-zA-Z0-9]+').firstMatch(text);
+    if (uriMatch != null) {
+      return uriMatch.group(0);
+    }
+
+    // Check for open.spotify.com URL
+    final urlMatch = RegExp(
+      r'https?://open\.spotify\.com/(track|album|playlist|artist)/[a-zA-Z0-9]+(\?[^\s]*)?',
+    ).firstMatch(text);
+    if (urlMatch != null) {
+      // Return URL without query params for cleaner handling
+      final fullUrl = urlMatch.group(0)!;
+      final queryIndex = fullUrl.indexOf('?');
+      return queryIndex > 0 ? fullUrl.substring(0, queryIndex) : fullUrl;
+    }
+
+    return null;
+  }
+
+  /// Dispose resources
+  void dispose() {
+    _mediaSubscription?.cancel();
+    _sharedUrlController.close();
+  }
+}

lib/services/update_checker.dart

@@ -0,0 +1,168 @@
+import 'dart:convert';
+import 'dart:io';
+import 'package:http/http.dart' as http;
+import 'package:spotiflac_android/constants/app_info.dart';
+import 'package:spotiflac_android/utils/logger.dart';
+
+final _log = AppLogger('UpdateChecker');
+
+class UpdateInfo {
+  final String version;
+  final String changelog;
+  final String downloadUrl;
+  final String? apkDownloadUrl;
+  final DateTime publishedAt;
+
+  const UpdateInfo({
+    required this.version,
+    required this.changelog,
+    required this.downloadUrl,
+    this.apkDownloadUrl,
+    required this.publishedAt,
+  });
+}
+
+class UpdateChecker {
+  static const String _apiUrl = 'https://api.github.com/repos/${AppInfo.githubRepo}/releases/latest';
+
+  static Future<String> _getDeviceArch() async {
+    if (!Platform.isAndroid) return 'unknown';
+    
+    try {
+      final cpuInfo = await File('/proc/cpuinfo').readAsString();
+      
+      if (cpuInfo.contains('AArch64') || cpuInfo.contains('aarch64')) {
+        return 'arm64';
+      }
+      
+      final result = await Process.run('uname', ['-m']);
+      final arch = result.stdout.toString().trim().toLowerCase();
+      
+      if (arch.contains('aarch64') || arch.contains('arm64')) {
+        return 'arm64';
+      } else if (arch.contains('armv7') || arch.contains('arm')) {
+        return 'arm32';
+      } else if (arch.contains('x86_64')) {
+        return 'x86_64';
+      } else if (arch.contains('x86') || arch.contains('i686')) {
+        return 'x86';
+      }
+      
+      return 'arm64';
+    } catch (e) {
+      _log.e('Error detecting arch: $e');
+      return 'arm64';
+    }
+  }
+
+  static Future<UpdateInfo?> checkForUpdate() async {
+    try {
+      final response = await http.get(
+        Uri.parse(_apiUrl),
+        headers: {'Accept': 'application/vnd.github.v3+json'},
+      ).timeout(const Duration(seconds: 10));
+
+      if (response.statusCode != 200) {
+        _log.w('GitHub API returned ${response.statusCode}');
+        return null;
+      }
+
+      final data = jsonDecode(response.body) as Map<String, dynamic>;
+      final tagName = data['tag_name'] as String? ?? '';
+      final latestVersion = tagName.replaceFirst('v', '');
+      
+      if (!_isNewerVersion(latestVersion, AppInfo.version)) {
+        _log.i('No update available (current: ${AppInfo.version}, latest: $latestVersion)');
+        return null;
+      }
+
+      final body = data['body'] as String? ?? 'No changelog available';
+      final htmlUrl = data['html_url'] as String? ?? '${AppInfo.githubUrl}/releases';
+      final publishedAt = DateTime.tryParse(data['published_at'] as String? ?? '') ?? DateTime.now();
+
+      final deviceArch = await _getDeviceArch();
+      _log.d('Device architecture: $deviceArch');
+      
+      String? arm64Url;
+      String? arm32Url;
+      String? universalUrl;
+      
+      final assets = data['assets'] as List<dynamic>? ?? [];
+      for (final asset in assets) {
+        final name = (asset['name'] as String? ?? '').toLowerCase();
+        if (name.endsWith('.apk')) {
+          final downloadUrl = asset['browser_download_url'] as String?;
+          // Only accept HTTPS URLs for security
+          final uri = downloadUrl != null ? Uri.tryParse(downloadUrl) : null;
+          if (uri == null || uri.scheme != 'https') {
+            _log.w('Skipping non-HTTPS APK URL: $downloadUrl');
+            continue;
+          }
+          if (name.contains('arm64') || name.contains('v8a')) {
+            arm64Url = downloadUrl;
+          } else if (name.contains('arm32') || name.contains('v7a') || name.contains('armeabi')) {
+            arm32Url = downloadUrl;
+          } else if (name.contains('universal')) {
+            universalUrl = downloadUrl;
+          }
+        }
+      }
+      
+      String? apkUrl;
+      if (deviceArch == 'arm64') {
+        apkUrl = arm64Url ?? universalUrl ?? arm32Url;
+      } else if (deviceArch == 'arm32') {
+        apkUrl = arm32Url ?? universalUrl;
+      } else {
+        apkUrl = universalUrl ?? arm64Url ?? arm32Url;
+      }
+
+      _log.i('Update available: $latestVersion, APK URL: $apkUrl');
+      
+      return UpdateInfo(
+        version: latestVersion,
+        changelog: body,
+        downloadUrl: htmlUrl,
+        apkDownloadUrl: apkUrl,
+        publishedAt: publishedAt,
+      );
+    } catch (e) {
+      _log.e('Error checking for updates: $e');
+      return null;
+    }
+  }
+
+  static bool _isNewerVersion(String latest, String current) {
+    try {
+      final latestBase = latest.split('-').first;
+      final currentBase = current.split('-').first;
+      
+      final latestParts = latestBase.split('.').map(int.parse).toList();
+      final currentParts = currentBase.split('.').map(int.parse).toList();
+
+      while (latestParts.length < 3) {
+        latestParts.add(0);
+      }
+      while (currentParts.length < 3) {
+        currentParts.add(0);
+      }
+
+      for (int i = 0; i < 3; i++) {
+        if (latestParts[i] > currentParts[i]) return true;
+        if (latestParts[i] < currentParts[i]) return false;
+      }
+      
+      final latestHasSuffix = latest.contains('-');
+      final currentHasSuffix = current.contains('-');
+      
+      if (!latestHasSuffix && currentHasSuffix) return true;
+      
+      return false;
+    } catch (e) {
+      _log.e('Error comparing versions: $e');
+      return false;
+    }
+  }
+
+  static String get currentVersion => AppInfo.version;
+}

lib/theme/dynamic_color_wrapper.dart

@@ -27,7 +27,6 @@ class DynamicColorWrapper extends ConsumerWidget {
           // Use dynamic colors from wallpaper (Android 12+)
           lightScheme = lightDynamic;
           darkScheme = darkDynamic;
-          debugPrint('Using dynamic color from wallpaper');
         } else {
           // Fallback to seed color
           final seedColor = themeSettings.seedColor;
@@ -39,7 +38,6 @@ class DynamicColorWrapper extends ConsumerWidget {
             seedColor: seedColor,
             brightness: Brightness.dark,
           );
-          debugPrint('Using fallback seed color: ${seedColor.toARGB32().toRadixString(16)}');
         }
 
         // Build themes

lib/utils/logger.dart

@@ -0,0 +1,28 @@
+import 'package:logger/logger.dart';
+
+/// Global logger instance for the app
+/// Uses pretty printer in debug mode for readable output
+final log = Logger(
+  printer: PrettyPrinter(
+    methodCount: 0,
+    errorMethodCount: 5,
+    lineLength: 80,
+    colors: true,
+    printEmojis: false,
+    dateTimeFormat: DateTimeFormat.none,
+  ),
+  level: Level.debug,
+);
+
+/// Logger with class/tag prefix for better traceability
+class AppLogger {
+  final String _tag;
+  
+  AppLogger(this._tag);
+  
+  void d(String message) => log.d('[$_tag] $message');
+  void i(String message) => log.i('[$_tag] $message');
+  void w(String message) => log.w('[$_tag] $message');
+  void e(String message, [Object? error, StackTrace? stackTrace]) => 
+      log.e('[$_tag] $message', error: error, stackTrace: stackTrace);
+}

lib/widgets/collapsing_header.dart

@@ -0,0 +1,156 @@
+import 'package:flutter/material.dart';
+
+/// A collapsing header widget
+/// Title collapses from large to small when scrolling
+class CollapsingHeader extends StatelessWidget {
+  final String title;
+  final bool showBackButton;
+  final Widget? infoCard;
+  final List<Widget> slivers;
+
+  const CollapsingHeader({
+    super.key,
+    required this.title,
+    this.showBackButton = false,
+    this.infoCard,
+    required this.slivers,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return CustomScrollView(
+      slivers: [
+        SliverAppBar(
+          expandedHeight: 140,
+          floating: false,
+          pinned: true,
+          backgroundColor: colorScheme.surface,
+          surfaceTintColor: Colors.transparent,
+          leading: showBackButton
+              ? IconButton(
+                  icon: const Icon(Icons.arrow_back),
+                  onPressed: () => Navigator.pop(context),
+                )
+              : null,
+          automaticallyImplyLeading: false,
+          flexibleSpace: LayoutBuilder(
+            builder: (context, constraints) {
+              final expandRatio = _calculateExpandRatio(constraints, topPadding);
+              final animation = AlwaysStoppedAnimation(expandRatio);
+
+              return FlexibleSpaceBar(
+                expandedTitleScale: 1.0,
+                titlePadding: EdgeInsets.zero,
+                title: Container(
+                  alignment: Alignment.bottomLeft,
+                  padding: EdgeInsets.only(
+                    left: Tween<double>(begin: showBackButton ? 56 : 24, end: 24).evaluate(animation),
+                    bottom: Tween<double>(begin: 16, end: 24).evaluate(animation),
+                  ),
+                  child: Text(
+                    title,
+                    style: TextStyle(
+                      fontSize: Tween<double>(begin: 20, end: 28).evaluate(animation),
+                      fontWeight: FontWeight.bold,
+                      color: colorScheme.onSurface,
+                    ),
+                  ),
+                ),
+              );
+            },
+          ),
+        ),
+
+        // Info card if provided
+        if (infoCard != null)
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
+              child: infoCard,
+            ),
+          ),
+
+        // Content slivers
+        ...slivers,
+      ],
+    );
+  }
+
+  double _calculateExpandRatio(BoxConstraints constraints, double topPadding) {
+    final maxHeight = 140;
+    final minHeight = kToolbarHeight + topPadding;
+    final currentHeight = constraints.maxHeight;
+    final expandRatio = (currentHeight - minHeight) / (maxHeight - minHeight);
+    return expandRatio.clamp(0.0, 1.0);
+  }
+}
+
+/// Section header for settings
+class SettingsSection extends StatelessWidget {
+  final String title;
+  const SettingsSection({super.key, required this.title});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(16, 16, 16, 8),
+      child: Text(
+        title,
+        style: Theme.of(context).textTheme.titleSmall?.copyWith(
+          color: Theme.of(context).colorScheme.primary,
+          fontWeight: FontWeight.w600,
+        ),
+      ),
+    );
+  }
+}
+
+/// Info card widget (like version info)
+class InfoCard extends StatelessWidget {
+  final IconData icon;
+  final String title;
+  final String subtitle;
+  final VoidCallback? onTap;
+
+  const InfoCard({
+    super.key,
+    required this.icon,
+    required this.title,
+    required this.subtitle,
+    this.onTap,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Card(
+      elevation: 0,
+      color: colorScheme.surfaceContainerHigh,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(16),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Row(
+            children: [
+              Icon(icon, color: colorScheme.onSurfaceVariant),
+              const SizedBox(width: 16),
+              Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(title, style: Theme.of(context).textTheme.bodyLarge),
+                  Text(subtitle, style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                    color: colorScheme.onSurfaceVariant)),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/widgets/settings_group.dart

@@ -0,0 +1,227 @@
+import 'package:flutter/material.dart';
+
+/// A grouped settings card that connects items together like Android Settings
+/// Items are connected with no gap between them, only separated when changing groups
+class SettingsGroup extends StatelessWidget {
+  final List<Widget> children;
+  final EdgeInsetsGeometry? margin;
+
+  const SettingsGroup({
+    super.key,
+    required this.children,
+    this.margin,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    // Use a more contrasting color for cards
+    // In dark mode with dynamic color, surfaceContainerHighest can be too similar to surface
+    // So we add a slight white overlay to make it more visible
+    // In light mode with dynamic color, we add a slight black overlay for the same reason
+    final cardColor = isDark 
+        ? Color.alphaBlend(Colors.white.withValues(alpha: 0.08), colorScheme.surface)
+        : Color.alphaBlend(Colors.black.withValues(alpha: 0.04), colorScheme.surface);
+    
+    return Container(
+      margin: margin ?? const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
+      decoration: BoxDecoration(
+        color: cardColor,
+        borderRadius: BorderRadius.circular(20),
+      ),
+      clipBehavior: Clip.antiAlias,
+      child: Material(
+        color: Colors.transparent,
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: children,
+        ),
+      ),
+    );
+  }
+}
+
+/// A single settings item that can be used inside SettingsGroup
+class SettingsItem extends StatelessWidget {
+  final IconData? icon;
+  final String title;
+  final String? subtitle;
+  final Widget? trailing;
+  final VoidCallback? onTap;
+  final bool showDivider;
+
+  const SettingsItem({
+    super.key,
+    this.icon,
+    required this.title,
+    this.subtitle,
+    this.trailing,
+    this.onTap,
+    this.showDivider = true,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        InkWell(
+          onTap: onTap,
+          splashColor: colorScheme.primary.withValues(alpha: 0.12),
+          highlightColor: colorScheme.primary.withValues(alpha: 0.08),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
+            child: Row(
+              children: [
+                if (icon != null) ...[
+                  Icon(icon, color: colorScheme.onSurfaceVariant, size: 24),
+                  const SizedBox(width: 16),
+                ],
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        title,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      ),
+                      if (subtitle != null) ...[
+                        const SizedBox(height: 2),
+                        Text(
+                          subtitle!,
+                          style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                            color: colorScheme.onSurfaceVariant,
+                          ),
+                        ),
+                      ],
+                    ],
+                  ),
+                ),
+                if (trailing != null) ...[
+                  const SizedBox(width: 8),
+                  trailing!,
+                ] else if (onTap != null) ...[
+                  const SizedBox(width: 8),
+                  Icon(Icons.chevron_right, color: colorScheme.onSurfaceVariant),
+                ],
+              ],
+            ),
+          ),
+        ),
+        if (showDivider)
+          Divider(
+            height: 1,
+            thickness: 1,
+            indent: icon != null ? 56 : 20,
+            endIndent: 20,
+            color: colorScheme.outlineVariant.withValues(alpha: 0.3),
+          ),
+      ],
+    );
+  }
+}
+
+/// A switch settings item for SettingsGroup
+class SettingsSwitchItem extends StatelessWidget {
+  final IconData? icon;
+  final String title;
+  final String? subtitle;
+  final bool value;
+  final ValueChanged<bool>? onChanged;
+  final bool showDivider;
+
+  const SettingsSwitchItem({
+    super.key,
+    this.icon,
+    required this.title,
+    this.subtitle,
+    required this.value,
+    this.onChanged,
+    this.showDivider = true,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        InkWell(
+          onTap: onChanged != null ? () => onChanged!(!value) : null,
+          splashColor: colorScheme.primary.withValues(alpha: 0.12),
+          highlightColor: colorScheme.primary.withValues(alpha: 0.08),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+            child: Row(
+              children: [
+                if (icon != null) ...[
+                  Icon(icon, color: colorScheme.onSurfaceVariant, size: 24),
+                  const SizedBox(width: 16),
+                ],
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        title,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      ),
+                      if (subtitle != null) ...[
+                        const SizedBox(height: 2),
+                        Text(
+                          subtitle!,
+                          style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                            color: colorScheme.onSurfaceVariant,
+                          ),
+                        ),
+                      ],
+                    ],
+                  ),
+                ),
+                const SizedBox(width: 8),
+                Switch(
+                  value: value,
+                  onChanged: onChanged,
+                ),
+              ],
+            ),
+          ),
+        ),
+        if (showDivider)
+          Divider(
+            height: 1,
+            thickness: 1,
+            indent: icon != null ? 56 : 20,
+            endIndent: 20,
+            color: colorScheme.outlineVariant.withValues(alpha: 0.3),
+          ),
+      ],
+    );
+  }
+}
+
+/// Section header for settings groups
+class SettingsSectionHeader extends StatelessWidget {
+  final String title;
+
+  const SettingsSectionHeader({super.key, required this.title});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(32, 24, 32, 8),
+      child: Text(
+        title,
+        style: Theme.of(context).textTheme.titleSmall?.copyWith(
+          color: Theme.of(context).colorScheme.primary,
+          fontWeight: FontWeight.w600,
+        ),
+      ),
+    );
+  }
+}

lib/widgets/update_dialog.dart

@@ -0,0 +1,417 @@
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:spotiflac_android/constants/app_info.dart';
+import 'package:spotiflac_android/services/update_checker.dart';
+import 'package:spotiflac_android/services/apk_downloader.dart';
+import 'package:spotiflac_android/services/notification_service.dart';
+
+class UpdateDialog extends StatefulWidget {
+  final UpdateInfo updateInfo;
+  final VoidCallback onDismiss;
+  final VoidCallback onDisableUpdates;
+
+  const UpdateDialog({
+    super.key,
+    required this.updateInfo,
+    required this.onDismiss,
+    required this.onDisableUpdates,
+  });
+
+  @override
+  State<UpdateDialog> createState() => _UpdateDialogState();
+}
+
+class _UpdateDialogState extends State<UpdateDialog> {
+  bool _isDownloading = false;
+  double _progress = 0;
+  String _statusText = '';
+
+  Future<void> _downloadAndInstall() async {
+    final apkUrl = widget.updateInfo.apkDownloadUrl;
+    
+    // If no direct APK URL, open release page
+    if (apkUrl == null) {
+      final uri = Uri.parse(widget.updateInfo.downloadUrl);
+      if (await canLaunchUrl(uri)) {
+        await launchUrl(uri, mode: LaunchMode.externalApplication);
+      }
+      if (mounted) Navigator.pop(context);
+      return;
+    }
+
+    setState(() {
+      _isDownloading = true;
+      _progress = 0;
+      _statusText = 'Starting download...';
+    });
+
+    final notificationService = NotificationService();
+    
+    final filePath = await ApkDownloader.downloadApk(
+      url: apkUrl,
+      version: widget.updateInfo.version,
+      onProgress: (received, total) {
+        if (mounted) {
+          setState(() {
+            _progress = total > 0 ? received / total : 0;
+            final receivedMB = (received / 1024 / 1024).toStringAsFixed(1);
+            final totalMB = (total / 1024 / 1024).toStringAsFixed(1);
+            _statusText = '$receivedMB / $totalMB MB';
+          });
+        }
+        // Update notification
+        notificationService.showUpdateDownloadProgress(
+          version: widget.updateInfo.version,
+          received: received,
+          total: total,
+        );
+      },
+    );
+
+    if (filePath != null) {
+      // Cancel progress notification first
+      await notificationService.cancelUpdateNotification();
+      
+      await notificationService.showUpdateDownloadComplete(
+        version: widget.updateInfo.version,
+      );
+      
+      if (mounted) {
+        Navigator.pop(context);
+      }
+      
+      // Open APK for installation
+      await ApkDownloader.installApk(filePath);
+    } else {
+      // Cancel progress notification first
+      await notificationService.cancelUpdateNotification();
+      
+      await notificationService.showUpdateDownloadFailed();
+      
+      if (mounted) {
+        setState(() {
+          _isDownloading = false;
+          _statusText = 'Download failed';
+        });
+        
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Failed to download update')),
+        );
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    
+    return Dialog(
+      backgroundColor: colorScheme.surfaceContainerHigh,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(28)),
+      child: Padding(
+        padding: const EdgeInsets.all(24),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            // Header with icon
+            Row(
+              children: [
+                Container(
+                  padding: const EdgeInsets.all(12),
+                  decoration: BoxDecoration(
+                    color: colorScheme.primaryContainer,
+                    borderRadius: BorderRadius.circular(16),
+                  ),
+                  child: Icon(Icons.system_update_rounded, color: colorScheme.onPrimaryContainer, size: 28),
+                ),
+                const SizedBox(width: 16),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text('Update Available', style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold)),
+                      const SizedBox(height: 2),
+                      Text('A new version is ready', style: Theme.of(context).textTheme.bodyMedium?.copyWith(color: colorScheme.onSurfaceVariant)),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 20),
+            
+            // Version badge
+            Container(
+              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+              decoration: BoxDecoration(
+                color: isDark 
+                    ? Color.alphaBlend(Colors.white.withValues(alpha: 0.08), colorScheme.surface)
+                    : Color.alphaBlend(Colors.black.withValues(alpha: 0.04), colorScheme.surface),
+                borderRadius: BorderRadius.circular(16),
+                border: Border.all(color: colorScheme.outlineVariant.withValues(alpha: 0.5)),
+              ),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  _VersionChip(version: AppInfo.version, label: 'Current', colorScheme: colorScheme),
+                  const SizedBox(width: 12),
+                  Icon(Icons.arrow_forward_rounded, size: 20, color: colorScheme.primary),
+                  const SizedBox(width: 12),
+                  _VersionChip(version: widget.updateInfo.version, label: 'New', colorScheme: colorScheme, isNew: true),
+                ],
+              ),
+            ),
+            const SizedBox(height: 20),
+            
+            // Download progress (when downloading)
+            if (_isDownloading) ...[
+              Container(
+                padding: const EdgeInsets.all(16),
+                decoration: BoxDecoration(
+                  color: isDark 
+                      ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+                      : Color.alphaBlend(Colors.black.withValues(alpha: 0.03), colorScheme.surface),
+                  borderRadius: BorderRadius.circular(16),
+                ),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Row(
+                      children: [
+                        SizedBox(
+                          width: 20, height: 20,
+                          child: CircularProgressIndicator(strokeWidth: 2, color: colorScheme.primary),
+                        ),
+                        const SizedBox(width: 12),
+                        Text('Downloading...', style: Theme.of(context).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w600)),
+                      ],
+                    ),
+                    const SizedBox(height: 12),
+                    ClipRRect(
+                      borderRadius: BorderRadius.circular(4),
+                      child: LinearProgressIndicator(
+                        value: _progress,
+                        minHeight: 6,
+                        backgroundColor: colorScheme.surfaceContainerHighest,
+                      ),
+                    ),
+                    const SizedBox(height: 8),
+                    Row(
+                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                      children: [
+                        Text(_statusText, style: Theme.of(context).textTheme.bodySmall?.copyWith(color: colorScheme.onSurfaceVariant)),
+                        Text('${(_progress * 100).toInt()}%', style: Theme.of(context).textTheme.bodySmall?.copyWith(color: colorScheme.primary, fontWeight: FontWeight.w600)),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            ] else ...[
+              // Changelog section
+              Text("What's New", style: Theme.of(context).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.bold)),
+              const SizedBox(height: 8),
+              Container(
+                constraints: const BoxConstraints(maxHeight: 180),
+                decoration: BoxDecoration(
+                  color: isDark 
+                      ? Color.alphaBlend(Colors.white.withValues(alpha: 0.05), colorScheme.surface)
+                      : Color.alphaBlend(Colors.black.withValues(alpha: 0.03), colorScheme.surface),
+                  borderRadius: BorderRadius.circular(16),
+                ),
+                child: SingleChildScrollView(
+                  padding: const EdgeInsets.all(16),
+                  child: Text(
+                    _formatChangelog(widget.updateInfo.changelog),
+                    style: Theme.of(context).textTheme.bodySmall?.copyWith(height: 1.5),
+                  ),
+                ),
+              ),
+            ],
+            const SizedBox(height: 24),
+            
+            // Action buttons
+            if (_isDownloading)
+              SizedBox(
+                width: double.infinity,
+                child: OutlinedButton(
+                  onPressed: () => Navigator.pop(context),
+                  style: OutlinedButton.styleFrom(
+                    padding: const EdgeInsets.symmetric(vertical: 12),
+                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                  ),
+                  child: const Text('Cancel'),
+                ),
+              )
+            else
+              Column(
+                children: [
+                  SizedBox(
+                    width: double.infinity,
+                    child: FilledButton.icon(
+                      onPressed: _downloadAndInstall,
+                      icon: const Icon(Icons.download_rounded, size: 20),
+                      label: const Text('Download & Install'),
+                      style: FilledButton.styleFrom(
+                        padding: const EdgeInsets.symmetric(vertical: 14),
+                        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  Row(
+                    children: [
+                      Expanded(
+                        child: TextButton(
+                          onPressed: () {
+                            widget.onDisableUpdates();
+                            Navigator.pop(context);
+                          },
+                          style: TextButton.styleFrom(
+                            padding: const EdgeInsets.symmetric(vertical: 12),
+                            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                          ),
+                          child: Text("Don't remind", style: TextStyle(color: colorScheme.onSurfaceVariant)),
+                        ),
+                      ),
+                      const SizedBox(width: 8),
+                      Expanded(
+                        child: OutlinedButton(
+                          onPressed: () {
+                            widget.onDismiss();
+                            Navigator.pop(context);
+                          },
+                          style: OutlinedButton.styleFrom(
+                            padding: const EdgeInsets.symmetric(vertical: 12),
+                            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                          ),
+                          child: const Text('Later'),
+                        ),
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// Format changelog - clean up markdown and extract relevant content
+  String _formatChangelog(String changelog) {
+    var content = changelog;
+    
+    // Find content after "What's New" header
+    final whatsNewMatch = RegExp(r"###?\s*What'?s\s*New\s*\n", caseSensitive: false).firstMatch(content);
+    if (whatsNewMatch != null) {
+      content = content.substring(whatsNewMatch.end);
+    }
+    
+    // Cut off at "Downloads" section or horizontal rule
+    final cutoffMatch = RegExp(r'\n---|\n###?\s*Downloads', caseSensitive: false).firstMatch(content);
+    if (cutoffMatch != null) {
+      content = content.substring(0, cutoffMatch.start);
+    }
+    
+    // Process line by line for better formatting
+    final lines = content.split('\n');
+    final formattedLines = <String>[];
+    
+    for (var line in lines) {
+      line = line.trim();
+      if (line.isEmpty) continue;
+      
+      // Check if it's a section header
+      final sectionMatch = RegExp(r'^#{1,3}\s*(.+)$').firstMatch(line);
+      if (sectionMatch != null) {
+        final section = sectionMatch.group(1)?.trim();
+        if (section != null && section.isNotEmpty) {
+          if (formattedLines.isNotEmpty) formattedLines.add('');
+          formattedLines.add(section);
+        }
+        continue;
+      }
+      
+      // Check if it's a list item
+      final listMatch = RegExp(r'^[-*]\s+(.+)$').firstMatch(line);
+      if (listMatch != null) {
+        var itemText = listMatch.group(1) ?? '';
+        itemText = itemText.replaceAllMapped(RegExp(r'\*\*([^*]+)\*\*'), (m) => m.group(1) ?? '');
+        itemText = itemText.replaceAllMapped(RegExp(r'`([^`]+)`'), (m) => m.group(1) ?? '');
+        formattedLines.add('• $itemText');
+        continue;
+      }
+      
+      // Check if it's a sub-item
+      final subListMatch = RegExp(r'^\s+[-*]\s+(.+)$').firstMatch(line);
+      if (subListMatch != null) {
+        var itemText = subListMatch.group(1) ?? '';
+        itemText = itemText.replaceAllMapped(RegExp(r'\*\*([^*]+)\*\*'), (m) => m.group(1) ?? '');
+        formattedLines.add('  - $itemText');
+        continue;
+      }
+    }
+    
+    var formatted = formattedLines.join('\n').trim();
+    if (formatted.length > 2000) {
+      formatted = '${formatted.substring(0, 2000)}...';
+    }
+    
+    return formatted.isEmpty ? 'See release notes for details.' : formatted;
+  }
+}
+
+class _VersionChip extends StatelessWidget {
+  final String version;
+  final String label;
+  final ColorScheme colorScheme;
+  final bool isNew;
+
+  const _VersionChip({
+    required this.version,
+    required this.label,
+    required this.colorScheme,
+    this.isNew = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Text(label, style: Theme.of(context).textTheme.labelSmall?.copyWith(color: colorScheme.onSurfaceVariant)),
+        const SizedBox(height: 4),
+        Container(
+          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
+          decoration: BoxDecoration(
+            color: isNew ? colorScheme.primaryContainer : colorScheme.surfaceContainerHighest,
+            borderRadius: BorderRadius.circular(20),
+          ),
+          child: Text(
+            'v$version',
+            style: Theme.of(context).textTheme.labelLarge?.copyWith(
+              color: isNew ? colorScheme.onPrimaryContainer : colorScheme.onSurfaceVariant,
+              fontWeight: isNew ? FontWeight.bold : FontWeight.w500,
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+/// Show update dialog
+Future<void> showUpdateDialog(
+  BuildContext context, {
+  required UpdateInfo updateInfo,
+  required VoidCallback onDisableUpdates,
+}) async {
+  return showDialog(
+    context: context,
+    builder: (context) => UpdateDialog(
+      updateInfo: updateInfo,
+      onDismiss: () {},
+      onDisableUpdates: onDisableUpdates,
+    ),
+  );
+}

pubspec.lock

@@ -5,26 +5,26 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      sha256: da0d9209ca76bde579f2da330aeb9df62b6319c834fa7baae052021b0462401f
+      sha256: c209688d9f5a5f26b2fb47a188131a6fb9e876ae9e47af3737c0b4f58a93470d
       url: "https://pub.dev"
     source: hosted
-    version: "85.0.0"
+    version: "91.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      sha256: f4ad0fea5f102201015c9aae9d93bc02f75dd9491529a8c21f88d17a8523d44c
+      sha256: f51c8499b35f9b26820cfe914828a6a98a94efd5cc78b37bb7d03debae3a1d08
       url: "https://pub.dev"
     source: hosted
-    version: "7.6.0"
+    version: "8.4.1"
   analyzer_buffer:
     dependency: transitive
     description:
       name: analyzer_buffer
-      sha256: f7833bee67c03c37241c67f8741b17cc501b69d9758df7a5a4a13ed6c947be43
+      sha256: aba2f75e63b3135fd1efaa8b6abefe1aa6e41b6bd9806221620fa48f98156033
       url: "https://pub.dev"
     source: hosted
-    version: "0.1.10"
+    version: "0.1.11"
   archive:
     dependency: transitive
     description:
@@ -61,18 +61,18 @@ packages:
     dependency: transitive
     description:
       name: build
-      sha256: "7174c5d84b0fed00a1f5e7543597b35d67560465ae3d909f0889b8b20419d5e3"
+      sha256: c1668065e9ba04752570ad7e038288559d1e2ca5c6d0131c0f5f55e39e777413
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "4.0.3"
   build_config:
     dependency: transitive
     description:
       name: build_config
-      sha256: "4ae2de3e1e67ea270081eaee972e1bd8f027d459f249e0f1186730784c2e7e33"
+      sha256: "4f64382b97504dc2fcdf487d5aae33418e08b4703fc21249e4db6d804a4d0187"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.0"
   build_daemon:
     dependency: transitive
     description:
@@ -81,30 +81,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.1"
-  build_resolvers:
-    dependency: transitive
-    description:
-      name: build_resolvers
-      sha256: "82730bf3d9043366ba8c02e4add05842a10739899520a6a22ddbd22d333bd5bb"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.1"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
-      sha256: "32c6b3d172f1f46b7c4df6bc4a47b8d88afb9e505dd4ace4af80b3c37e89832b"
+      sha256: "110c56ef29b5eb367b4d17fc79375fa8c18a6cd7acd92c05bb3986c17a079057"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "2.10.4"
-  build_runner_core:
-    dependency: transitive
-    description:
-      name: build_runner_core
-      sha256: "4b188774b369104ad96c0e4ca2471e5162f0566ce277771b179bed5eabf2d048"
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.2.1"
   built_collection:
     dependency: transitive
     description:
@@ -245,10 +229,10 @@ packages:
     dependency: transitive
     description:
       name: dart_style
-      sha256: "8a0e5fba27e8ee025d2ffb4ee820b4e6e2cf5e4246a6b1a477eb66866947e0bb"
+      sha256: a9c30492da18ff84efe2422ba2d319a89942d93e58eb0b73d32abe822ef54b7b
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.3"
   dbus:
     dependency: transitive
     description:
@@ -382,6 +366,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: "19ffb0a8bb7407875555e5e98d7343a633bb73707bae6c6a5f37c90014077875"
+      url: "https://pub.dev"
+    source: hosted
+    version: "19.5.0"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: e3c277b2daab8e36ac5a6820536668d07e83851aeeb79c446e525a70710770a5
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.0"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "277d25d960c15674ce78ca97f57d0bae2ee401c844b6ac80fcd972a9c99d09fe"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.1.0"
+  flutter_local_notifications_windows:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_windows
+      sha256: "8d658f0d367c48bd420e7cf2d26655e2d1130147bca1eea917e576ca76668aaf"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -552,6 +568,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
+  logger:
+    dependency: "direct main"
+    description:
+      name: logger
+      sha256: a7967e31b703831a893bbc3c3dd11db08126fe5f369b5c648a36f821979f5be3
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.2"
   logging:
     dependency: transitive
     description:
@@ -596,10 +620,10 @@ packages:
     dependency: transitive
     description:
       name: mockito
-      sha256: "2314cbe9165bcd16106513df9cf3c3224713087f09723b128928dc11a4379f99"
+      sha256: dac24d461418d363778d53198d9ac0510b9d073869f078450f195766ec48d05e
       url: "https://pub.dev"
     source: hosted
-    version: "5.5.0"
+    version: "5.6.1"
   node_preamble:
     dependency: transitive
     description:
@@ -800,6 +824,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.0"
+  receive_sharing_intent:
+    dependency: "direct main"
+    description:
+      name: receive_sharing_intent
+      sha256: ec76056e4d258ad708e76d85591d933678625318e411564dcb9059048ca3a593
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.1"
   riverpod:
     dependency: transitive
     description:
@@ -844,18 +876,18 @@ packages:
     dependency: "direct main"
     description:
       name: share_plus
-      sha256: fce43200aa03ea87b91ce4c3ac79f0cecd52e2a7a56c7a4185023c271fbfa6da
+      sha256: "14c8860d4de93d3a7e53af51bff479598c4e999605290756bbbe45cf65b37840"
       url: "https://pub.dev"
     source: hosted
-    version: "10.1.4"
+    version: "12.0.1"
   share_plus_platform_interface:
     dependency: transitive
     description:
       name: share_plus_platform_interface
-      sha256: cc012a23fc2d479854e6c80150696c4a5f5bb62cb89af4de1c505cf78d0a5d0b
+      sha256: "88023e53a13429bd65d8e85e11a9b484f49d4c190abbd96c7932b74d6927cc9a"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.2"
+    version: "6.1.0"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -953,18 +985,18 @@ packages:
     dependency: transitive
     description:
       name: source_gen
-      sha256: "7b19d6ba131c6eb98bfcbf8d56c1a7002eba438af2e7ae6f8398b2b0f4f381e3"
+      sha256: "07b277b67e0096c45196cbddddf2d8c6ffc49342e88bf31d460ce04605ddac75"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.0"
+    version: "4.1.1"
   source_helper:
     dependency: transitive
     description:
       name: source_helper
-      sha256: a447acb083d3a5ef17f983dd36201aeea33fedadb3228fa831f2f0c92f0f3aca
+      sha256: "6a3c6cc82073a8797f8c4dc4572146114a39652851c157db37e964d9c7038723"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.7"
+    version: "1.3.8"
   source_map_stack_trace:
     dependency: transitive
     description:
@@ -1109,14 +1141,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.12"
-  timing:
+  timezone:
     dependency: transitive
     description:
-      name: timing
+      name: timezone
-      sha256: "62ee18aca144e4a9f29d212f5a4c6a053be252b895ab14b5821996cff4ed90fe"
+      sha256: dd14a3b83cfd7cb19e7888f1cbc20f258b8d71b54c06f79ac585f14093a287d1
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "0.10.1"
   typed_data:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,7 +1,7 @@
 name: spotiflac_android
 description: Download Spotify tracks in FLAC from Tidal, Qobuz & Amazon Music
 publish_to: 'none'
-version: 1.1.1+8
+version: 2.0.6+36
 
 environment:
   sdk: ^3.10.0
@@ -46,17 +46,22 @@ dependencies:
   # Utils
   url_launcher: ^6.3.1
   device_info_plus: ^12.3.0
-  share_plus: ^10.1.4
+  share_plus: ^12.0.1
+  receive_sharing_intent: ^1.8.1
+  logger: ^2.5.0
   
   # FFmpeg for audio conversion (audio-only version - much smaller)
   ffmpeg_kit_flutter_new_audio: ^2.0.0
   open_filex: ^4.7.0
+  
+  # Notifications
+  flutter_local_notifications: ^19.0.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_lints: ^6.0.0
-  build_runner: ^2.4.15
+  build_runner: ^2.10.4
   riverpod_generator: ^4.0.0
   json_serializable: ^6.11.2
   flutter_launcher_icons: ^0.14.3

test/widget_test.dart

@@ -1,30 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:spotiflac_android/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}