/* ── Audio Service Styles ─────────────────────────────────────────────────── */

/* ── Sidebar Nav Tabs ────────────────────────────── */
.sidebar-nav-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.sidebar-nav-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border: none;
    background: none;
    transition: color var(--transition), border-color var(--transition);
    border-bottom: 2px solid transparent;
    font-family: var(--font-main);
}
.sidebar-nav-tab:hover { color: var(--text-secondary); }
.sidebar-nav-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.sidebar-nav-tab i { font-size: 14px; }

/* ── Music Sidebar Content ───────────────────────── */
.music-sidebar {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}
.music-sidebar.active {
    display: flex;
}
.music-sidebar-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}
.music-sidebar-header .sidebar-title {
    flex: 1;
    font-size: 16px;
    font-weight: 700;
}
.music-sidebar-actions {
    display: flex;
    gap: 4px;
}
.music-sidebar-tabs {
    display: flex;
    padding: 8px 12px;
    gap: 4px;
}
.music-sidebar-tab {
    flex: 1;
    padding: 6px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    text-align: center;
    transition: all var(--transition);
    font-family: var(--font-main);
}
.music-sidebar-tab:hover { color: var(--text-secondary); background: var(--bg-tertiary); }
.music-sidebar-tab.active {
    color: var(--accent);
    background: var(--accent-dim);
    border-color: var(--accent);
}
.music-search {
    padding: 0 12px 8px;
}
.music-search input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-main);
    outline: none;
    transition: border-color var(--transition);
}
.music-search input:focus { border-color: var(--accent); }
.music-search input::placeholder { color: var(--text-muted); }

/* ── Track List in Sidebar ───────────────────────── */
.music-track-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px 8px;
}
.track-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
    position: relative;
}
.track-item:hover { background: var(--bg-tertiary); }
.track-item.active { background: var(--accent-dim); }
.track-item.playing .track-item-title { color: var(--accent); }
.track-item-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--bg-tertiary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.track-item-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.track-item-cover .cover-placeholder {
    color: var(--text-muted);
    font-size: 16px;
}
.track-item-info {
    flex: 1;
    min-width: 0;
}
.track-item-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-item-artist {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-item-duration {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    font-family: var(--font-mono);
}
.track-item-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity var(--transition);
}
.track-item:hover .track-item-actions { opacity: 1; }
.track-item-actions .btn-icon {
    font-size: 12px;
    padding: 4px;
}

/* ── Playlist Cards in Sidebar ───────────────────── */
.playlist-section {
    padding: 0 8px 8px;
}
.playlist-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
    margin-bottom: 4px;
}
.playlist-card:hover { background: var(--bg-tertiary); }
.playlist-card-cover {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--accent-dim);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.playlist-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.playlist-card-cover .cover-placeholder {
    color: var(--accent);
    font-size: 20px;
}
.playlist-card-info {
    flex: 1;
    min-width: 0;
}
.playlist-card-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.playlist-card-meta {
    font-size: 11px;
    color: var(--text-muted);
}

/* ── Music Main Content Area ─────────────────────── */
.music-content {
    display: none;
    flex-direction: column;
    height: 100%;
    background: var(--bg-primary);
}
.music-content.active {
    display: flex;
}
.music-content-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.music-content-header h2 {
    font-size: 16px;
    font-weight: 700;
    flex: 1;
}
.music-content-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* ── Track Grid (for main content) ───────────────── */
.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.track-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition);
}
.track-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}
.track-card-cover {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.track-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.track-card-cover .cover-placeholder {
    font-size: 48px;
    color: var(--text-muted);
}
.track-card-play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}
.track-card:hover .track-card-play-overlay { opacity: 1; }
.track-card-play-overlay i {
    font-size: 36px;
    color: #fff;
}
.track-card-body {
    padding: 12px;
}
.track-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-card-artist {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Audio Player Bar (bottom fixed) ─────────────── */
.audio-player-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    z-index: 90;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}
.audio-player-bar.visible {
    display: flex;
}

/* Player: Track Info */
.player-track-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
    max-width: 260px;
    flex-shrink: 0;
}
.player-cover {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--bg-tertiary);
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.player-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.player-cover .cover-placeholder {
    font-size: 18px;
    color: var(--text-muted);
}
.player-text {
    min-width: 0;
    flex: 1;
}
.player-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-artist {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-save-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    transition: color var(--transition);
    flex-shrink: 0;
}
.player-save-btn:hover,
.player-save-btn.saved { color: var(--accent); }

/* Player: Controls */
.player-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    gap: 2px;
    min-width: 0;
}
.player-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}
.player-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    padding: 6px;
    border-radius: 50%;
    transition: color var(--transition), background var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.player-btn:hover { color: var(--text-primary); }
.player-btn.active { color: var(--accent); }
.player-btn-play {
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: #fff !important;
    font-size: 14px;
    border-radius: 50%;
}
.player-btn-play:hover { opacity: 0.9; }

/* Player: Progress */
.player-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 600px;
}
.player-time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    min-width: 36px;
    text-align: center;
    flex-shrink: 0;
}
.player-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    transition: height 0.1s ease;
}
.player-progress-bar:hover { height: 6px; }
.player-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    position: relative;
    max-width: 100%;
}
.player-progress-thumb {
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition);
}
.player-progress-bar:hover .player-progress-thumb { opacity: 1; }

/* Player: Volume */
.player-volume {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 120px;
    flex-shrink: 0;
}
.player-volume-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}
.player-volume-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    max-width: 100%;
}

/* Player: Extra Controls */
.player-extra {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* ── EQ Panel (glass-morphism popup) ─────────────── */
.eq-panel {
    display: none;
    position: fixed;
    bottom: 72px;
    right: 16px;
    width: 380px;
    background: rgba(26, 23, 37, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    z-index: 95;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: eqPanelIn 0.2s ease;
}
.eq-panel.visible { display: block; }
@keyframes eqPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.eq-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.eq-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}
.eq-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 16px;
}
.eq-preset-btn {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-main);
}
.eq-preset-btn:hover { border-color: var(--accent); color: var(--accent); }
.eq-preset-btn.active {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}
.eq-sliders {
    display: flex;
    justify-content: space-between;
    gap: 4px;
    height: 140px;
    align-items: flex-end;
}
.eq-band {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
}
.eq-band-label {
    font-size: 9px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.eq-slider-wrap {
    position: relative;
    height: 100px;
    width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.eq-slider-track {
    width: 4px;
    height: 100%;
    background: var(--bg-tertiary);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}
.eq-slider-fill {
    position: absolute;
    bottom: 50%;
    left: 0;
    right: 0;
    background: var(--accent);
    border-radius: 2px;
    transition: height 0.1s ease;
}
.eq-slider-thumb {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 50%);
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: grab;
    transition: box-shadow 0.15s;
    touch-action: none;
    z-index: 2;
}
.eq-slider-thumb:active {
    cursor: grabbing;
    box-shadow: 0 0 12px var(--accent);
    transform: translate(-50%, 50%) scale(1.2);
}
.eq-slider-thumb:hover {
    box-shadow: 0 0 8px var(--accent);
}
.eq-band-value {
    font-size: 9px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    min-width: 24px;
    text-align: center;
}

/* ── Lyrics Panel ────────────────────────────────── */
.lyrics-panel {
    display: none;
    position: fixed;
    bottom: 72px;
    right: 16px;
    width: 340px;
    max-height: 400px;
    background: rgba(26, 23, 37, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    z-index: 95;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: eqPanelIn 0.2s ease;
    overflow: hidden;
    flex-direction: column;
}
.lyrics-panel.visible {
    display: flex;
}
.lyrics-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.lyrics-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}
.lyrics-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    scroll-behavior: smooth;
}
.lyrics-line {
    padding: 6px 8px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-muted);
    transition: all 0.3s ease;
    cursor: pointer;
    line-height: 1.6;
}
.lyrics-line:hover { color: var(--text-secondary); }
.lyrics-line.active {
    color: var(--accent);
    font-weight: 600;
    font-size: 16px;
    background: var(--accent-dim);
}
.lyrics-empty {
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
    padding: 32px 16px;
}

/* ── Queue Panel ─────────────────────────────────── */
.queue-panel {
    display: none;
    position: fixed;
    bottom: 72px;
    right: 16px;
    width: 340px;
    max-height: 400px;
    background: rgba(26, 23, 37, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    z-index: 95;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: eqPanelIn 0.2s ease;
    overflow: hidden;
    flex-direction: column;
}
.queue-panel.visible { display: flex; }
.queue-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.queue-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}
.queue-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}
.queue-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}
.queue-item:hover { background: var(--bg-tertiary); }
.queue-item.current { background: var(--accent-dim); }
.queue-item.dragging { opacity: 0.4; }
.queue-item.drag-over { border-top: 2px solid var(--accent); margin-top: -2px; }
.queue-item-drag {
    color: var(--text-muted);
    cursor: grab;
    font-size: 11px;
    padding: 2px;
    opacity: 0;
    transition: opacity var(--transition);
}
.queue-item:hover .queue-item-drag { opacity: 0.6; }
.queue-item-drag:active { cursor: grabbing; }
.queue-item-num {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 18px;
    text-align: center;
}
.queue-item-title {
    flex: 1;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.queue-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 11px;
    padding: 2px;
    opacity: 0;
    transition: opacity var(--transition), color var(--transition);
}
.queue-item:hover .queue-item-remove { opacity: 1; }
.queue-item-remove:hover { color: #f87171; }

/* ── Track Upload Modal ──────────────────────────── */
.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    margin-bottom: 16px;
}
.upload-dropzone:hover,
.upload-dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-dim);
}
.upload-dropzone i {
    font-size: 36px;
    margin-bottom: 8px;
    display: block;
}
.upload-dropzone-text {
    font-size: 13px;
}
.upload-dropzone-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}
.upload-file-selected {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}
.upload-file-selected i { color: var(--accent); }
.upload-file-selected .file-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.upload-file-selected .file-remove {
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition);
}
.upload-file-selected .file-remove:hover { color: #f87171; }

/* ── Import Modal ────────────────────────────────── */
.import-url-hint {
    font-size: 12px;
    margin-top: 6px;
    color: var(--text-muted);
    min-height: 18px;
}
.import-url-hint i { margin-right: 4px; }
.import-url-hint .hint-playlist { color: var(--accent); font-weight: 600; }
.import-url-hint .hint-track { color: #10b981; font-weight: 600; }
.import-url-hint .hint-service { color: var(--text-secondary); }
.import-url-hint .hint-fallback { color: var(--accent); font-size: 0.8em; opacity: 0.8; margin-left: 6px; }
.import-url-hint .hint-ok { color: #10b981; font-size: 0.8em; font-weight: 600; margin-left: 6px; }

.import-playlist-opts {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    margin-bottom: 12px;
}
.import-playlist-opts .form-group { margin-bottom: 8px; }
.import-playlist-opts .form-group:last-child { margin-bottom: 0; }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.import-progress {
    display: none;
    padding: 16px 0;
}
.import-progress.visible { display: block; }
.import-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}
.import-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}
.import-progress-text {
    font-size: 12px;
    color: var(--text-secondary);
}
.import-result-summary {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.import-result-summary .result-ok { color: #10b981; font-weight: 600; }
.import-result-summary .result-fail { color: #f87171; font-weight: 600; }

/* ── Playlist Detail View ────────────────────────── */
.playlist-detail-header {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: flex-start;
}
.playlist-detail-cover {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    background: var(--accent-dim);
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.playlist-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.playlist-detail-cover .cover-placeholder {
    font-size: 48px;
    color: var(--accent);
}
.playlist-detail-info {
    flex: 1;
    min-width: 0;
}
.playlist-detail-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.playlist-detail-name {
    font-size: 24px;
    font-weight: 700;
    margin: 4px 0 8px;
}
.playlist-detail-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.playlist-detail-meta {
    font-size: 12px;
    color: var(--text-muted);
}
.playlist-detail-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.playlist-detail-actions .btn-primary { width: auto; padding: 8px 16px; font-size: 13px; }

/* ── Playlist Scope Tabs ── */
.playlist-scope-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}
.playlist-scope-tab {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex; align-items: center; gap: 5px;
}
.playlist-scope-tab:hover { background: var(--bg-secondary); color: var(--text-primary); }
.playlist-scope-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ── Waveform Canvas ─────────────────────────────── */
.waveform-container {
    width: 100%;
    height: 40px;
    margin-top: 4px;
    position: relative;
}
.waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* ── Edit Track Modal ────────────────────────────── */
.edit-track-cover-preview {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    object-fit: cover;
    margin-bottom: 8px;
}

/* ── Empty States ────────────────────────────────── */
.music-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 16px;
    color: var(--text-muted);
    text-align: center;
}
.music-empty i { font-size: 40px; }
.music-empty p { font-size: 13px; }

/* ── Context Menu ────────────────────────────────── */
.audio-context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 4px;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    min-width: 160px;
    animation: eqPanelIn 0.12s ease;
}
.audio-context-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 4px;
    transition: background var(--transition);
}
.audio-context-item:hover { background: var(--bg-tertiary); }
.audio-context-item i {
    width: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}
.audio-context-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}
.audio-context-item.danger { color: #f87171; }
.audio-context-item.danger i { color: #f87171; }

/* ── Adjustments when player bar is visible ──────── */
body.player-active #chat-screen {
    padding-bottom: 64px;
}
body.player-active .members-panel {
    bottom: 64px;
}

/* ── Mobile responsive ───────────────────────────── */
@media (max-width: 768px) {
    /* ── Audio Player Bar: 2-row compact layout ── */
    .audio-player-bar {
        height: auto;
        padding: 6px 10px;
        gap: 0;
        flex-wrap: wrap;
        /* Move player above mobile bottom nav (56px) */
        bottom: 56px;
    }
    .player-track-info {
        min-width: 0;
        max-width: none;
        flex: 1;
        gap: 8px;
    }
    .player-cover { width: 36px; height: 36px; }
    .player-text { min-width: 0; }
    .player-title { font-size: 12px; }
    .player-artist { font-size: 10px; }
    .player-volume { display: none; }
    .player-controls {
        width: 100%;
        order: 3;
        gap: 0;
    }
    .player-buttons { gap: 12px; }
    .player-btn { padding: 4px; font-size: 14px; }
    .player-btn-play { width: 32px; height: 32px; font-size: 13px; }
    .player-progress { max-width: 100%; gap: 6px; }
    .player-time { font-size: 10px; min-width: 30px; }
    .player-extra {
        gap: 2px;
        order: 2;
        margin-left: auto;
    }
    .player-extra .player-btn { font-size: 13px; padding: 4px; }
    /* 56px nav + ~80px player on mobile */
    body.player-active #chat-screen { padding-bottom: 140px; }
    body.player-active .members-panel { bottom: 140px; }

    /* ── EQ/Lyrics/Queue: bottom sheets ── */
    .eq-panel {
        left: 0;
        right: 0;
        bottom: 140px;
        width: 100%;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 50vh;
        overflow-y: auto;
    }
    .eq-sliders { height: 110px; gap: 2px; }
    .eq-slider-wrap { height: 80px; }
    .eq-preset-btn { padding: 3px 8px; font-size: 10px; }
    .lyrics-panel,
    .queue-panel {
        left: 0;
        right: 0;
        bottom: 90px;
        width: 100%;
        max-height: 50vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    /* ── Track grid ── */
    .track-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
    }
    .track-card-body { padding: 8px; }
    .track-card-title { font-size: 12px; }
    .track-card-artist { font-size: 10px; }

    /* ── Playlist detail ── */
    .playlist-detail-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }
    .playlist-detail-cover { width: 100px; height: 100px; }
    .playlist-detail-name { font-size: 20px; }
    .playlist-detail-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    .playlist-scope-tabs { flex-wrap: wrap; }

    /* ── Chart cards compact ── */
    .chart-card { padding: 6px 10px; gap: 8px; }
    .chart-card-pos { min-width: 22px; font-size: 12px; }
    .chart-card-cover { width: 36px; height: 36px; }
    .chart-card-title { font-size: 12px; }
    .chart-card-artist { font-size: 10px; }
    .chart-section-header { padding: 10px 12px; font-size: 13px; }
    .chart-card-play { width: 28px; height: 28px; font-size: 10px; opacity: 1; }
    .chart-import-btn,
    .chart-import-btn-main { padding: 4px; font-size: 12px; }
    .chart-card-actions { gap: 4px; }

    /* ── Music sidebar tabs ── */
    .music-sidebar-tabs { padding: 6px 8px; gap: 2px; }
    .music-sidebar-tab { padding: 5px 4px; font-size: 11px; }
    .music-sidebar-header { padding: 8px 10px; }
    .music-sidebar-header .sidebar-title { font-size: 14px; }
    .music-sidebar-actions { gap: 2px; }
    .music-sidebar-actions .btn-icon { padding: 4px; font-size: 14px; }
    .sidebar-nav-tab { padding: 10px 0; font-size: 11px; gap: 3px; }

    /* ── Track items in sidebar ── */
    .track-item { padding: 6px 8px; gap: 8px; }
    .track-item-cover { width: 36px; height: 36px; }
    .track-item-title { font-size: 12px; }
    .track-item-artist { font-size: 10px; }
    .track-item-actions { opacity: 1; }

    /* ── Upload/import ── */
    .upload-dropzone { padding: 20px; }
    .upload-dropzone i { font-size: 28px; }

    /* ── PWA banner ── */
    /* pwa gate has no player interaction */

    /* ── Context menu touch-friendly ── */
    .audio-context-menu { min-width: 140px; }
    .audio-context-item { padding: 10px 12px; font-size: 14px; }
}

/* ── Charts UI ───────────────────────────────────── */
.charts-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.chart-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.chart-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}
.chart-section-header i { color: var(--accent); font-size: 16px; }
.chart-count {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: auto;
}
.chart-track-grid {
    display: flex;
    flex-direction: column;
}
.chart-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    transition: background var(--transition);
    border-bottom: 1px solid var(--border-color);
}
.chart-card:last-child { border-bottom: none; }
.chart-card:hover { background: var(--bg-tertiary); }
.chart-card-pos {
    min-width: 28px;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.chart-card:nth-child(-n+3) .chart-card-pos { color: var(--accent); }
.chart-card-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-tertiary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chart-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.chart-card-cover .cover-placeholder {
    font-size: 16px;
    color: var(--text-muted);
}
.chart-card-body {
    flex: 1;
    min-width: 0;
}
.chart-card-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chart-card-artist {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chart-import-btn,
.chart-import-btn-main {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    padding: 6px;
    border-radius: 50%;
    transition: all var(--transition);
    flex-shrink: 0;
}
.chart-import-btn:hover,
.chart-import-btn-main:hover {
    color: var(--accent);
    background: var(--accent-dim);
}
.chart-position {
    min-width: 22px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

/* ── Import hint: artist type ── */
.import-url-hint .hint-artist { color: #f59e0b; font-weight: 600; }

/* ── Show More Button ── */
.track-show-more {
    display: flex;
    justify-content: center;
    padding: 12px 0;
}
.btn-show-more {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 20px;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-show-more:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ── PWA Install Gate (fullscreen blocking overlay) ────────────── */
.pwa-install-gate {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 24px;
    animation: pwa-gate-fade 0.3s ease-out;
}
@keyframes pwa-gate-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}
body.pwa-gate-active {
    overflow: hidden !important;
}
body.pwa-gate-active > *:not(.pwa-install-gate):not(script):not(link):not(style) {
    display: none !important;
}
body.pwa-gate-active > .pwa-install-gate {
    display: flex !important;
}
.pwa-gate-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    max-width: 340px;
    width: 100%;
}
.pwa-gate-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
}
.pwa-gate-title {
    font-family: 'Inter', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.pwa-gate-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}
.pwa-gate-btn {
    width: 100%;
    padding: 14px 24px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    border-radius: 14px !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.pwa-ios-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    text-align: left;
    background: var(--bg-secondary);
    border-radius: 14px;
    padding: 16px;
    border: 1px solid var(--border-color);
}
.pwa-ios-step {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}
.pwa-ios-step i {
    color: var(--accent);
}
.pwa-ios-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Chart Track Play Button ───────────────────────── */
.chart-card-play {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    border: none;
    flex-shrink: 0;
    transition: transform 0.15s, opacity 0.15s;
    opacity: 0;
}
.chart-card:hover .chart-card-play {
    opacity: 1;
}
.chart-card-play:hover {
    transform: scale(1.1);
}
.chart-track-item .chart-play-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    cursor: pointer;
    border: none;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.15s;
}
.chart-track-item:hover .chart-play-btn {
    opacity: 1;
}
.chart-card-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}