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web/static/css/style.css

@@ -236,6 +236,25 @@ header {
     gap: 4px;
 }
 
+.conversation-group {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    margin-bottom: 14px;
+}
+
+.conversation-group:last-child {
+    margin-bottom: 0;
+}
+
+.conversation-group-title {
+    font-size: 0.75rem;
+    color: var(--text-muted);
+    font-weight: 600;
+    letter-spacing: 0.5px;
+    padding: 8px 8px 0;
+}
+
 .conversation-item {
     padding: 12px;
     border-radius: 8px;
@@ -697,6 +716,16 @@ header {
     box-sizing: border-box;
 }
 
+.chat-input-field {
+    flex: 1;
+    position: relative;
+    display: flex;
+}
+
+.chat-input-field textarea {
+    width: 100%;
+}
+
 .chat-input-container textarea {
     flex: 1;
     min-width: 0;
@@ -774,6 +803,174 @@ header {
     transform: translateY(0);
 }
 
+.mention-suggestions {
+    position: absolute;
+    bottom: calc(100% + 8px);
+    left: 0;
+    right: 0;
+    background: #ffffff;
+    border: 1px solid rgba(15, 23, 42, 0.08);
+    border-radius: 16px;
+    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
+    padding: 0;
+    overflow: hidden;
+    display: none;
+    z-index: 15;
+    backdrop-filter: blur(6px);
+    animation: mentionFadeIn 0.15s ease-out;
+    box-sizing: border-box;
+}
+
+.mention-suggestions-list {
+    max-height: 320px;
+    overflow-y: auto;
+    padding: 12px;
+    box-sizing: border-box;
+}
+
+@keyframes mentionFadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(4px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+.mention-item {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    padding: 12px 18px;
+    width: 100%;
+    border: 1px solid rgba(15, 23, 42, 0.05);
+    background: #f7f8fa !important;
+    cursor: pointer;
+    text-align: left;
+    font-size: 0.875rem;
+    color: rgba(15, 23, 42, 0.9) !important;
+    transition: background 0.18s ease, border-left-color 0.18s ease, color 0.15s ease, transform 0.18s ease;
+    border-left: 3px solid transparent;
+    outline: none;
+    border-radius: 12px;
+    margin: 0 0 8px 0;
+    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
+    -webkit-appearance: none;
+    appearance: none;
+}
+
+.mention-item:focus,
+.mention-item:focus-visible {
+    outline: none;
+    box-shadow: none;
+}
+
+.mention-item:hover {
+    background: #ffffff !important;
+    border-left-color: rgba(0, 0, 0, 0.18);
+    transform: translateY(-1px);
+    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
+}
+
+.mention-item.active,
+.mention-item:focus,
+.mention-item:focus-visible {
+    background: linear-gradient(105deg, rgba(0, 102, 255, 0.08), rgba(0, 102, 255, 0.02)) !important;
+    border-left-color: rgba(0, 102, 255, 0.6);
+    transform: translateY(-2px);
+    box-shadow: 0 10px 26px rgba(0, 102, 255, 0.22);
+    color: rgba(15, 23, 42, 0.95);
+}
+
+.mention-item.active .mention-item-name,
+.mention-item.active .mention-item-desc,
+.mention-item.active .mention-item-meta,
+.mention-item.active .mention-status {
+    color: rgba(15, 23, 42, 0.95);
+}
+
+.mention-item.active .mention-status {
+    background: rgba(0, 102, 255, 0.12);
+    color: #0052cc;
+}
+
+.mention-item.disabled {
+    opacity: 0.65;
+    box-shadow: none;
+}
+
+.mention-item-name {
+    font-weight: 600;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    color: rgba(15, 23, 42, 0.95);
+}
+
+.mention-item-icon {
+    font-size: 1rem;
+}
+
+.mention-item-text {
+    flex: 1;
+}
+
+.mention-item-desc {
+    font-size: 0.78rem;
+    color: var(--text-muted);
+    line-height: 1.4;
+    word-break: break-word;
+}
+
+.mention-item-meta {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    font-size: 0.75rem;
+}
+
+.mention-status {
+    padding: 2px 8px;
+    border-radius: 999px;
+    font-weight: 600;
+}
+
+.mention-status.enabled {
+    background: rgba(46, 204, 113, 0.18);
+    color: #1e8a4d;
+}
+
+.mention-status.disabled {
+    background: rgba(231, 76, 60, 0.18);
+    color: #b23d2f;
+}
+
+.mention-origin {
+    color: var(--text-secondary);
+}
+
+.mention-item-badge {
+    font-size: 0.68rem;
+    padding: 2px 8px;
+    border-radius: 999px;
+    background: rgba(0, 0, 0, 0.06);
+    color: var(--text-primary);
+    font-weight: 600;
+}
+
+.mention-item-badge.internal {
+    background: rgba(108, 117, 125, 0.18);
+    color: rgba(33, 37, 41, 0.9);
+}
+
+.mention-empty {
+    padding: 10px 18px;
+    font-size: 0.78rem;
+    color: var(--text-muted);
+}
+
 /* MCP调用详情按钮 */
 .mcp-detail-btn {
     display: inline-flex;