feat: add advanced library filters (source, quality, format, date)

- Add filter button next to Select in Library tab (All/Singles)
- Source filter: All, Downloaded, Local
- Quality filter: Hi-Res (24bit), CD (16bit), Lossy
- Format filter: Dynamic based on available formats (FLAC, MP3, etc.)
- Date filter: Today, This Week, This Month, This Year
- Badge shows active filter count
- Long-press filter button to reset all filters
- Filters apply to both All and Singles tabs
- Add 18 new localization keys for filter UI

CHANGELOG.md

@@ -36,6 +36,13 @@
   - Shows tracks from albums with only 1 track (both downloaded and local)
   - Search filter works across both sources
   - Local items show "Local" badge
+- **Advanced Library Filters**: Filter library items by multiple criteria
+  - **Source filter**: Show all, downloaded only, or local library only
+  - **Quality filter**: Hi-Res (24bit), CD (16bit), or Lossy
+  - **Format filter**: FLAC, MP3, M4A, Opus, OGG, etc.
+  - **Date filter**: Today, This Week, This Month, This Year
+  - Filter button with badge showing active filter count
+  - Filters apply to both All and Singles tabs
 - **Cover Art Extraction for Local Library**: Embedded cover art is extracted and cached during scan
   - Supports FLAC (PICTURE block), MP3 (APIC frames), Opus/Ogg (METADATA_BLOCK_PICTURE)
   - Cover cached to app's cache directory with hash-based filenames

lib/l10n/app_localizations.dart

@@ -4582,6 +4582,96 @@ abstract class AppLocalizations {
   /// **'Local'**
   String get libraryFilterLocal;
 
+  /// Filter bottom sheet title
+  ///
+  /// In en, this message translates to:
+  /// **'Filters'**
+  String get libraryFilterTitle;
+
+  /// Reset all filters button
+  ///
+  /// In en, this message translates to:
+  /// **'Reset'**
+  String get libraryFilterReset;
+
+  /// Apply filters button
+  ///
+  /// In en, this message translates to:
+  /// **'Apply'**
+  String get libraryFilterApply;
+
+  /// Filter section - source type
+  ///
+  /// In en, this message translates to:
+  /// **'Source'**
+  String get libraryFilterSource;
+
+  /// Filter section - audio quality
+  ///
+  /// In en, this message translates to:
+  /// **'Quality'**
+  String get libraryFilterQuality;
+
+  /// Filter option - high resolution audio
+  ///
+  /// In en, this message translates to:
+  /// **'Hi-Res (24bit)'**
+  String get libraryFilterQualityHiRes;
+
+  /// Filter option - CD quality audio
+  ///
+  /// In en, this message translates to:
+  /// **'CD (16bit)'**
+  String get libraryFilterQualityCD;
+
+  /// Filter option - lossy compressed audio
+  ///
+  /// In en, this message translates to:
+  /// **'Lossy'**
+  String get libraryFilterQualityLossy;
+
+  /// Filter section - file format
+  ///
+  /// In en, this message translates to:
+  /// **'Format'**
+  String get libraryFilterFormat;
+
+  /// Filter section - date range
+  ///
+  /// In en, this message translates to:
+  /// **'Date Added'**
+  String get libraryFilterDate;
+
+  /// Filter option - today only
+  ///
+  /// In en, this message translates to:
+  /// **'Today'**
+  String get libraryFilterDateToday;
+
+  /// Filter option - this week
+  ///
+  /// In en, this message translates to:
+  /// **'This Week'**
+  String get libraryFilterDateWeek;
+
+  /// Filter option - this month
+  ///
+  /// In en, this message translates to:
+  /// **'This Month'**
+  String get libraryFilterDateMonth;
+
+  /// Filter option - this year
+  ///
+  /// In en, this message translates to:
+  /// **'This Year'**
+  String get libraryFilterDateYear;
+
+  /// Badge showing number of active filters
+  ///
+  /// In en, this message translates to:
+  /// **'{count} filter(s) active'**
+  String libraryFilterActive(int count);
+
   /// Relative time - less than a minute ago
   ///
   /// In en, this message translates to:
@@ -4701,6 +4791,48 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Failed'**
   String get uploadStatusFailed;
+
+  /// Status when cloud save is disabled
+  ///
+  /// In en, this message translates to:
+  /// **'Cloud Save Off'**
+  String get cloudStatusDisabled;
+
+  /// Subtitle when cloud save is disabled
+  ///
+  /// In en, this message translates to:
+  /// **'Enable to auto-upload tracks'**
+  String get cloudStatusDisabledSubtitle;
+
+  /// Status when no provider selected
+  ///
+  /// In en, this message translates to:
+  /// **'Select Provider'**
+  String get cloudStatusNoProvider;
+
+  /// Subtitle when no provider selected
+  ///
+  /// In en, this message translates to:
+  /// **'Choose a cloud service'**
+  String get cloudStatusNoProviderSubtitle;
+
+  /// Status when settings missing
+  ///
+  /// In en, this message translates to:
+  /// **'Setup Required'**
+  String get cloudStatusNotConfigured;
+
+  /// Subtitle when settings missing
+  ///
+  /// In en, this message translates to:
+  /// **'Configure your server details'**
+  String get cloudStatusNotConfiguredSubtitle;
+
+  /// Status when cloud save is active
+  ///
+  /// In en, this message translates to:
+  /// **'Connected'**
+  String get cloudStatusActive;
 }
 
 class _AppLocalizationsDelegate

lib/l10n/app_localizations_de.dart

@@ -2557,6 +2557,53 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2636,4 +2683,26 @@ class AppLocalizationsDe extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_en.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,4 +2668,26 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_es.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,6 +2668,28 @@ class AppLocalizationsEs extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }
 
 /// The translations for Spanish Castilian, as used in Spain (`es_ES`).

lib/l10n/app_localizations_fr.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsFr extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,4 +2668,26 @@ class AppLocalizationsFr extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_hi.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsHi extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,4 +2668,26 @@ class AppLocalizationsHi extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_id.dart

@@ -2555,6 +2555,53 @@ class AppLocalizationsId extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2634,4 +2681,26 @@ class AppLocalizationsId extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_ja.dart

@@ -2528,6 +2528,53 @@ class AppLocalizationsJa extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2607,4 +2654,26 @@ class AppLocalizationsJa extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_ko.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsKo extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,4 +2668,26 @@ class AppLocalizationsKo extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_nl.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsNl extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,4 +2668,26 @@ class AppLocalizationsNl extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_pt.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsPt extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,6 +2668,28 @@ class AppLocalizationsPt extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }
 
 /// The translations for Portuguese, as used in Portugal (`pt_PT`).

lib/l10n/app_localizations_ru.dart

@@ -2588,6 +2588,53 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2667,4 +2714,26 @@ class AppLocalizationsRu extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_tr.dart

@@ -2557,6 +2557,53 @@ class AppLocalizationsTr extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2636,4 +2683,26 @@ class AppLocalizationsTr extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }

lib/l10n/app_localizations_zh.dart

@@ -2542,6 +2542,53 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get libraryFilterLocal => 'Local';
 
+  @override
+  String get libraryFilterTitle => 'Filters';
+
+  @override
+  String get libraryFilterReset => 'Reset';
+
+  @override
+  String get libraryFilterApply => 'Apply';
+
+  @override
+  String get libraryFilterSource => 'Source';
+
+  @override
+  String get libraryFilterQuality => 'Quality';
+
+  @override
+  String get libraryFilterQualityHiRes => 'Hi-Res (24bit)';
+
+  @override
+  String get libraryFilterQualityCD => 'CD (16bit)';
+
+  @override
+  String get libraryFilterQualityLossy => 'Lossy';
+
+  @override
+  String get libraryFilterFormat => 'Format';
+
+  @override
+  String get libraryFilterDate => 'Date Added';
+
+  @override
+  String get libraryFilterDateToday => 'Today';
+
+  @override
+  String get libraryFilterDateWeek => 'This Week';
+
+  @override
+  String get libraryFilterDateMonth => 'This Month';
+
+  @override
+  String get libraryFilterDateYear => 'This Year';
+
+  @override
+  String libraryFilterActive(int count) {
+    return '$count filter(s) active';
+  }
+
   @override
   String get timeJustNow => 'Just now';
 
@@ -2621,6 +2668,28 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get uploadStatusFailed => 'Failed';
+
+  @override
+  String get cloudStatusDisabled => 'Cloud Save Off';
+
+  @override
+  String get cloudStatusDisabledSubtitle => 'Enable to auto-upload tracks';
+
+  @override
+  String get cloudStatusNoProvider => 'Select Provider';
+
+  @override
+  String get cloudStatusNoProviderSubtitle => 'Choose a cloud service';
+
+  @override
+  String get cloudStatusNotConfigured => 'Setup Required';
+
+  @override
+  String get cloudStatusNotConfiguredSubtitle =>
+      'Configure your server details';
+
+  @override
+  String get cloudStatusActive => 'Connected';
 }
 
 /// The translations for Chinese, as used in China (`zh_CN`).

lib/l10n/arb/app_en.arb

@@ -1883,6 +1883,42 @@
   "libraryFilterLocal": "Local",
   "@libraryFilterLocal": {"description": "Filter chip - show only local library items"},
 
+  "libraryFilterTitle": "Filters",
+  "@libraryFilterTitle": {"description": "Filter bottom sheet title"},
+  "libraryFilterReset": "Reset",
+  "@libraryFilterReset": {"description": "Reset all filters button"},
+  "libraryFilterApply": "Apply",
+  "@libraryFilterApply": {"description": "Apply filters button"},
+  "libraryFilterSource": "Source",
+  "@libraryFilterSource": {"description": "Filter section - source type"},
+  "libraryFilterQuality": "Quality",
+  "@libraryFilterQuality": {"description": "Filter section - audio quality"},
+  "libraryFilterQualityHiRes": "Hi-Res (24bit)",
+  "@libraryFilterQualityHiRes": {"description": "Filter option - high resolution audio"},
+  "libraryFilterQualityCD": "CD (16bit)",
+  "@libraryFilterQualityCD": {"description": "Filter option - CD quality audio"},
+  "libraryFilterQualityLossy": "Lossy",
+  "@libraryFilterQualityLossy": {"description": "Filter option - lossy compressed audio"},
+  "libraryFilterFormat": "Format",
+  "@libraryFilterFormat": {"description": "Filter section - file format"},
+  "libraryFilterDate": "Date Added",
+  "@libraryFilterDate": {"description": "Filter section - date range"},
+  "libraryFilterDateToday": "Today",
+  "@libraryFilterDateToday": {"description": "Filter option - today only"},
+  "libraryFilterDateWeek": "This Week",
+  "@libraryFilterDateWeek": {"description": "Filter option - this week"},
+  "libraryFilterDateMonth": "This Month",
+  "@libraryFilterDateMonth": {"description": "Filter option - this month"},
+  "libraryFilterDateYear": "This Year",
+  "@libraryFilterDateYear": {"description": "Filter option - this year"},
+  "libraryFilterActive": "{count} filter(s) active",
+  "@libraryFilterActive": {
+    "description": "Badge showing number of active filters",
+    "placeholders": {
+      "count": {"type": "int"}
+    }
+  },
+
   "timeJustNow": "Just now",
   "@timeJustNow": {"description": "Relative time - less than a minute ago"},
   "timeMinutesAgo": "{count, plural, =1{1 minute ago} other{{count} minutes ago}}",
@@ -1941,5 +1977,20 @@
   "uploadStatusDone": "Done",
   "@uploadStatusDone": {"description": "Upload queue status - completed"},
   "uploadStatusFailed": "Failed",
-  "@uploadStatusFailed": {"description": "Upload queue status - error"}
+  "@uploadStatusFailed": {"description": "Upload queue status - error"},
+
+  "cloudStatusDisabled": "Cloud Save Off",
+  "@cloudStatusDisabled": {"description": "Status when cloud save is disabled"},
+  "cloudStatusDisabledSubtitle": "Enable to auto-upload tracks",
+  "@cloudStatusDisabledSubtitle": {"description": "Subtitle when cloud save is disabled"},
+  "cloudStatusNoProvider": "Select Provider",
+  "@cloudStatusNoProvider": {"description": "Status when no provider selected"},
+  "cloudStatusNoProviderSubtitle": "Choose a cloud service",
+  "@cloudStatusNoProviderSubtitle": {"description": "Subtitle when no provider selected"},
+  "cloudStatusNotConfigured": "Setup Required",
+  "@cloudStatusNotConfigured": {"description": "Status when settings missing"},
+  "cloudStatusNotConfiguredSubtitle": "Configure your server details",
+  "@cloudStatusNotConfiguredSubtitle": {"description": "Subtitle when settings missing"},
+  "cloudStatusActive": "Connected",
+  "@cloudStatusActive": {"description": "Status when cloud save is active"}
 }

lib/screens/queue_tab.dart

@@ -282,6 +282,12 @@ class _QueueTabState extends ConsumerState<QueueTab> {
   List<LocalLibraryItem> _filteredLocalItemsCache = const [];
   final Map<String, _UnifiedCacheEntry> _unifiedItemsCache = {};
 
+  // Advanced filters
+  String? _filterSource; // null = all, 'downloaded', 'local'
+  String? _filterQuality; // null = all, 'hires', 'cd', 'lossy'
+  String? _filterFormat; // null = all, 'flac', 'mp3', 'm4a', 'opus', 'ogg'
+  String? _filterDateRange; // null = all, 'today', 'week', 'month', 'year'
+
 
 
   @override
@@ -721,6 +727,323 @@ class _QueueTabState extends ConsumerState<QueueTab> {
     });
   }
 
+  /// Count of active advanced filters
+  int get _activeFilterCount {
+    int count = 0;
+    if (_filterSource != null) count++;
+    if (_filterQuality != null) count++;
+    if (_filterFormat != null) count++;
+    if (_filterDateRange != null) count++;
+    return count;
+  }
+
+  /// Reset all advanced filters
+  void _resetFilters() {
+    setState(() {
+      _filterSource = null;
+      _filterQuality = null;
+      _filterFormat = null;
+      _filterDateRange = null;
+      _unifiedItemsCache.clear();
+    });
+  }
+
+  /// Apply advanced filters to unified items
+  List<UnifiedLibraryItem> _applyAdvancedFilters(List<UnifiedLibraryItem> items) {
+    if (_activeFilterCount == 0) return items;
+
+    return items.where((item) {
+      // Source filter
+      if (_filterSource != null) {
+        if (_filterSource == 'downloaded' && item.source != LibraryItemSource.downloaded) {
+          return false;
+        }
+        if (_filterSource == 'local' && item.source != LibraryItemSource.local) {
+          return false;
+        }
+      }
+
+      // Quality filter
+      if (_filterQuality != null && item.quality != null) {
+        final quality = item.quality!.toLowerCase();
+        switch (_filterQuality) {
+          case 'hires':
+            if (!quality.startsWith('24')) return false;
+          case 'cd':
+            if (!quality.startsWith('16')) return false;
+          case 'lossy':
+            // Lossy formats typically don't have bit depth or are labeled differently
+            if (quality.startsWith('24') || quality.startsWith('16')) return false;
+        }
+      } else if (_filterQuality != null && item.quality == null) {
+        // If quality filter is set but item has no quality info, include only for 'lossy'
+        if (_filterQuality != 'lossy') return false;
+      }
+
+      // Format filter
+      if (_filterFormat != null) {
+        final ext = item.filePath.split('.').last.toLowerCase();
+        if (ext != _filterFormat) return false;
+      }
+
+      // Date filter
+      if (_filterDateRange != null) {
+        final now = DateTime.now();
+        final itemDate = item.addedAt;
+        switch (_filterDateRange) {
+          case 'today':
+            if (itemDate.year != now.year || itemDate.month != now.month || itemDate.day != now.day) {
+              return false;
+            }
+          case 'week':
+            final weekAgo = now.subtract(const Duration(days: 7));
+            if (itemDate.isBefore(weekAgo)) return false;
+          case 'month':
+            final monthAgo = DateTime(now.year, now.month - 1, now.day);
+            if (itemDate.isBefore(monthAgo)) return false;
+          case 'year':
+            if (itemDate.year != now.year) return false;
+        }
+      }
+
+      return true;
+    }).toList(growable: false);
+  }
+
+  /// Get available formats from current items
+  Set<String> _getAvailableFormats(List<UnifiedLibraryItem> items) {
+    final formats = <String>{};
+    for (final item in items) {
+      final ext = item.filePath.split('.').last.toLowerCase();
+      if (['flac', 'mp3', 'm4a', 'opus', 'ogg', 'wav', 'aiff'].contains(ext)) {
+        formats.add(ext);
+      }
+    }
+    return formats;
+  }
+
+  /// Show filter bottom sheet
+  void _showFilterSheet(BuildContext context, List<UnifiedLibraryItem> allItems) {
+    final colorScheme = Theme.of(context).colorScheme;
+    final availableFormats = _getAvailableFormats(allItems);
+    
+    // Temporary filter state for the sheet
+    String? tempSource = _filterSource;
+    String? tempQuality = _filterQuality;
+    String? tempFormat = _filterFormat;
+    String? tempDateRange = _filterDateRange;
+
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      backgroundColor: colorScheme.surfaceContainerLow,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(28)),
+      ),
+      builder: (context) => StatefulBuilder(
+        builder: (context, setSheetState) {
+          return SafeArea(
+            child: Padding(
+              padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  // Handle bar
+                  Center(
+                    child: Container(
+                      width: 32,
+                      height: 4,
+                      margin: const EdgeInsets.only(bottom: 16),
+                      decoration: BoxDecoration(
+                        color: colorScheme.outlineVariant,
+                        borderRadius: BorderRadius.circular(2),
+                      ),
+                    ),
+                  ),
+                  
+                  // Title row
+                  Row(
+                    children: [
+                      Text(
+                        context.l10n.libraryFilterTitle,
+                        style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                          fontWeight: FontWeight.bold,
+                        ),
+                      ),
+                      const Spacer(),
+                      TextButton(
+                        onPressed: () {
+                          setSheetState(() {
+                            tempSource = null;
+                            tempQuality = null;
+                            tempFormat = null;
+                            tempDateRange = null;
+                          });
+                        },
+                        child: Text(context.l10n.libraryFilterReset),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 16),
+
+                  // Source filter
+                  Text(
+                    context.l10n.libraryFilterSource,
+                    style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  Wrap(
+                    spacing: 8,
+                    children: [
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterAll),
+                        selected: tempSource == null,
+                        onSelected: (_) => setSheetState(() => tempSource = null),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterDownloaded),
+                        selected: tempSource == 'downloaded',
+                        onSelected: (_) => setSheetState(() => tempSource = 'downloaded'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterLocal),
+                        selected: tempSource == 'local',
+                        onSelected: (_) => setSheetState(() => tempSource = 'local'),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 16),
+
+                  // Quality filter
+                  Text(
+                    context.l10n.libraryFilterQuality,
+                    style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  Wrap(
+                    spacing: 8,
+                    children: [
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterAll),
+                        selected: tempQuality == null,
+                        onSelected: (_) => setSheetState(() => tempQuality = null),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterQualityHiRes),
+                        selected: tempQuality == 'hires',
+                        onSelected: (_) => setSheetState(() => tempQuality = 'hires'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterQualityCD),
+                        selected: tempQuality == 'cd',
+                        onSelected: (_) => setSheetState(() => tempQuality = 'cd'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterQualityLossy),
+                        selected: tempQuality == 'lossy',
+                        onSelected: (_) => setSheetState(() => tempQuality = 'lossy'),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 16),
+
+                  // Format filter
+                  Text(
+                    context.l10n.libraryFilterFormat,
+                    style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  Wrap(
+                    spacing: 8,
+                    children: [
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterAll),
+                        selected: tempFormat == null,
+                        onSelected: (_) => setSheetState(() => tempFormat = null),
+                      ),
+                      for (final format in availableFormats.toList()..sort())
+                        FilterChip(
+                          label: Text(format.toUpperCase()),
+                          selected: tempFormat == format,
+                          onSelected: (_) => setSheetState(() => tempFormat = format),
+                        ),
+                    ],
+                  ),
+                  const SizedBox(height: 16),
+
+                  // Date filter
+                  Text(
+                    context.l10n.libraryFilterDate,
+                    style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                  const SizedBox(height: 8),
+                  Wrap(
+                    spacing: 8,
+                    children: [
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterAll),
+                        selected: tempDateRange == null,
+                        onSelected: (_) => setSheetState(() => tempDateRange = null),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterDateToday),
+                        selected: tempDateRange == 'today',
+                        onSelected: (_) => setSheetState(() => tempDateRange = 'today'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterDateWeek),
+                        selected: tempDateRange == 'week',
+                        onSelected: (_) => setSheetState(() => tempDateRange = 'week'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterDateMonth),
+                        selected: tempDateRange == 'month',
+                        onSelected: (_) => setSheetState(() => tempDateRange = 'month'),
+                      ),
+                      FilterChip(
+                        label: Text(context.l10n.libraryFilterDateYear),
+                        selected: tempDateRange == 'year',
+                        onSelected: (_) => setSheetState(() => tempDateRange = 'year'),
+                      ),
+                    ],
+                  ),
+                  const SizedBox(height: 24),
+
+                  // Apply button
+                  SizedBox(
+                    width: double.infinity,
+                    child: FilledButton(
+                      onPressed: () {
+                        setState(() {
+                          _filterSource = tempSource;
+                          _filterQuality = tempQuality;
+                          _filterFormat = tempFormat;
+                          _filterDateRange = tempDateRange;
+                          _unifiedItemsCache.clear();
+                        });
+                        Navigator.pop(context);
+                      },
+                      child: Text(context.l10n.libraryFilterApply),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
   Future<void> _openFile(String filePath) async {
     final cleanPath = _cleanFilePath(filePath);
     try {
@@ -1318,12 +1641,15 @@ child: _buildSelectionBottomBar(
       albumCounts: albumCounts,
     );
 
-    return _getUnifiedItems(
+    final unifiedItems = _getUnifiedItems(
       filterMode: filterMode,
       historyItems: historyItems,
       localLibraryItems: localLibraryItems,
       localAlbumCounts: localAlbumCounts,
     );
+
+    // Apply advanced filters to match what's displayed
+    return _applyAdvancedFilters(unifiedItems);
   }
 
   List<UnifiedLibraryItem> _getUnifiedItems({
@@ -1427,8 +1753,11 @@ child: _buildSelectionBottomBar(
       localAlbumCounts: localAlbumCounts,
     );
 
+    // Apply advanced filters
+    final filteredUnifiedItems = _applyAdvancedFilters(unifiedItems);
+
     // Total count for display
-    final totalTrackCount = unifiedItems.length;
+    final totalTrackCount = filteredUnifiedItems.length;
 
     return CustomScrollView(
       slivers: [
@@ -1446,9 +1775,26 @@ child: _buildSelectionBottomBar(
                         ?.copyWith(color: colorScheme.onSurfaceVariant),
                   ),
                   const Spacer(),
-                  if (!_isSelectionMode && unifiedItems.isNotEmpty)
+                  // Filter button with long-press to reset
+                  if (!_isSelectionMode)
+                    GestureDetector(
+                      onLongPress: _activeFilterCount > 0 ? _resetFilters : null,
+                      child: TextButton.icon(
+                        onPressed: () => _showFilterSheet(context, unifiedItems),
+                        icon: Badge(
+                          isLabelVisible: _activeFilterCount > 0,
+                          label: Text('$_activeFilterCount'),
+                          child: const Icon(Icons.filter_list, size: 18),
+                        ),
+                        label: Text(context.l10n.libraryFilterTitle),
+                        style: TextButton.styleFrom(
+                          visualDensity: VisualDensity.compact,
+                        ),
+                      ),
+                    ),
+                  if (!_isSelectionMode && filteredUnifiedItems.isNotEmpty)
                     TextButton.icon(
-                      onPressed: () => _enterSelectionMode(unifiedItems.first.id),
+                      onPressed: () => _enterSelectionMode(filteredUnifiedItems.first.id),
                       icon: const Icon(Icons.checklist, size: 18),
                       label: Text(context.l10n.actionSelect),
                       style: TextButton.styleFrom(
@@ -1547,7 +1893,7 @@ child: _buildSelectionBottomBar(
           ),
 
         // Unified list for 'all' filter (merged downloaded + local)
-        if (unifiedItems.isNotEmpty && filterMode == 'all')
+        if (filteredUnifiedItems.isNotEmpty && filterMode == 'all')
           historyViewMode == 'grid'
               ? SliverPadding(
                   padding: const EdgeInsets.symmetric(horizontal: 16),
@@ -1563,7 +1909,7 @@ child: _buildSelectionBottomBar(
                       context,
                       index,
                     ) {
-                      final item = unifiedItems[index];
+                      final item = filteredUnifiedItems[index];
                       return KeyedSubtree(
                         key: ValueKey(item.id),
                         child: _buildUnifiedGridItem(
@@ -1572,12 +1918,12 @@ child: _buildSelectionBottomBar(
                           colorScheme,
                         ),
                       );
-                    }, childCount: unifiedItems.length),
+                    }, childCount: filteredUnifiedItems.length),
                   ),
                 )
               : SliverList(
                   delegate: SliverChildBuilderDelegate((context, index) {
-                    final item = unifiedItems[index];
+                    final item = filteredUnifiedItems[index];
                     return KeyedSubtree(
                       key: ValueKey(item.id),
                       child: _buildUnifiedLibraryItem(
@@ -1586,11 +1932,11 @@ child: _buildSelectionBottomBar(
                         colorScheme,
                       ),
                     );
-                  }, childCount: unifiedItems.length),
+                  }, childCount: filteredUnifiedItems.length),
                 ),
 
         // Singles filter - show unified items (downloaded + local singles)
-        if (unifiedItems.isNotEmpty && filterMode == 'singles')
+        if (filteredUnifiedItems.isNotEmpty && filterMode == 'singles')
           historyViewMode == 'grid'
               ? SliverPadding(
                   padding: const EdgeInsets.symmetric(horizontal: 16),
@@ -1606,7 +1952,7 @@ child: _buildSelectionBottomBar(
                       context,
                       index,
                     ) {
-                      final item = unifiedItems[index];
+                      final item = filteredUnifiedItems[index];
                       return KeyedSubtree(
                         key: ValueKey(item.id),
                         child: _buildUnifiedGridItem(
@@ -1615,12 +1961,12 @@ child: _buildSelectionBottomBar(
                           colorScheme,
                         ),
                       );
-                    }, childCount: unifiedItems.length),
+                    }, childCount: filteredUnifiedItems.length),
                   ),
                 )
               : SliverList(
                   delegate: SliverChildBuilderDelegate((context, index) {
-                    final item = unifiedItems[index];
+                    final item = filteredUnifiedItems[index];
                     return KeyedSubtree(
                       key: ValueKey(item.id),
                       child: _buildUnifiedLibraryItem(
@@ -1629,7 +1975,7 @@ child: _buildSelectionBottomBar(
                         colorScheme,
                       ),
                     );
-                  }, childCount: unifiedItems.length),
+                  }, childCount: filteredUnifiedItems.length),
                 ),
 
         if (queueItems.isEmpty &&