/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #1a1a2e;
    --surface: #16213e;
    --surface-alt: #0f3460;
    --accent: #e94560;
    --accent-hover: #d6334e;
    --text: #eee;
    --text-muted: #999;
    --tagged-bg: transparent;
    --untagged-bg: rgba(233, 69, 96, 0.08);
    --border: #2a2a4a;
    --success: #4ecca3;
    --radius: 6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: 0 1rem 2rem;
}

/* ── Unified Header Bar ──────────────────────────────────── */
.unified-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 0.75rem;
    height: 38px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 60;
}
.unified-header.hidden { display: none !important; }

/* ── Tab-specific controls (right of tabs) ───────────────── */
.tab-controls {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
    flex-shrink: 0;
}

/* ── Header action buttons (icon + label) ────────────────── */
.hdr-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 8px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: var(--radius);
    font-size: 0.72rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    line-height: 1;
}
.hdr-btn:hover:not(:disabled) {
    color: var(--text);
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.08);
}
.hdr-btn:disabled {
    opacity: 0.4;
    cursor: default;
}
/* Icons via ::before pseudo-elements */
.hdr-btn-save::before    { content: "\1F4BE"; margin-right: 2px; font-size: 0.8rem; }
.hdr-btn-save-as::before { content: "\1F4C2"; margin-right: 2px; font-size: 0.8rem; }
.hdr-btn-search::before  { content: "\1F50D"; margin-right: 2px; font-size: 0.8rem; }
.hdr-btn-preview::before { content: "\25B6";  margin-right: 2px; font-size: 0.7rem; }
.hdr-btn-export::before  { content: "\1F4E4"; margin-right: 2px; font-size: 0.8rem; }

/* ── Header separator ────────────────────────────────────── */
.hdr-sep {
    width: 1px;
    height: 16px;
    background: var(--border);
    margin: 0 0.1rem;
    flex-shrink: 0;
}

/* ── Status indicators (right end of header) ─────────────── */
.hdr-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.5rem;
    flex-shrink: 0;
}
.hdr-status .artwork-warm-status {
    margin-top: 0;
    justify-content: flex-end;
}
.hdr-status .dropbox-status {
    margin-top: 0;
}

/* ── Mode toggle (compact for header) ────────────────────── */
.unified-header .set-mode-toggle {
    padding: 1px;
}
.unified-header .set-mode-btn {
    padding: 3px 10px;
    font-size: 0.72rem;
}

/* ── Set name in header ──────────────────────────────────── */
.unified-header .set-current-name {
    font-size: 0.75rem;
    max-width: 160px;
}

/* ── Artwork warm-cache indicator ────────────────────────── */
.artwork-warm-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: opacity 0.3s;
}
.artwork-warm-status.hidden { display: none; }
.artwork-warm-bar {
    width: 120px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}
.artwork-warm-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s;
}

/* ── Dropbox Status ──────────────────────────────────────── */
.dropbox-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}
.dropbox-status.dropbox-connected #dropbox-status-text {
    color: #4caf50;
}
.dropbox-btn, .dropbox-btn-disconnect {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 3px;
    cursor: pointer;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
}
.dropbox-btn:hover { color: var(--accent); border-color: var(--accent); }
.dropbox-btn-disconnect:hover { color: #ef5350; border-color: #ef5350; }

/* ── Upload Area ─────────────────────────────────────────── */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    color: var(--text-muted);
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
    max-width: 600px;
    margin: 0 auto 1rem;
}
.upload-area.dragover {
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.05);
}
.file-label {
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
}

/* ── Summary ─────────────────────────────────────────────── */
.summary {
    text-align: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}
.summary .sep { margin: 0 0.5rem; color: var(--text-muted); }
.tagged-count { color: var(--success); }
.untagged-count { color: var(--accent); }

/* ── Toolbar ─────────────────────────────────────────────── */
.toolbar {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    padding: 0.45rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.15s;
    color: #fff;
}
.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface-alt); }
.btn-secondary:hover { background: #124a80; }
.btn-danger { background: #c0392b; }
.btn-danger:hover { background: #a93226; }
.btn-sm {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

/* ── Progress Bar ────────────────────────────────────────── */
.progress-container {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.3s ease;
}

/* ── Genre Chart ─────────────────────────────────────────── */
.genre-chart {
    max-width: 480px;
    margin: 0 auto 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.genre-bar-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}
.genre-bar-label {
    width: 110px;
    text-align: right;
    color: var(--text-muted);
    flex-shrink: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.genre-bar-track {
    flex: 1;
    height: 14px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}
.genre-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.4s ease;
    min-width: 2px;
}
.genre-bar-count {
    width: 24px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* ── AG Grid Container ───────────────────────────────────── */
#track-grid {
    border-radius: var(--radius);
    overflow: hidden;
}

/* Untagged row highlight (applied via rowClassRules) */
.ag-row.untagged {
    background-color: var(--untagged-bg) !important;
}

/* AG Grid flash override for green flash on updates */
.ag-cell-data-changed {
    background-color: rgba(78, 204, 163, 0.3) !important;
}
.ag-cell-data-changed-animation {
    transition: background-color 0.6s ease;
}

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 90%;
    max-width: 560px;
}
.modal h2 { margin-bottom: 1rem; font-size: 1.2rem; }
.modal label {
    display: block;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.modal select,
.modal textarea,
.modal input[type="number"] {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem;
    font-family: monospace;
    font-size: 0.85rem;
    resize: vertical;
}
.modal .hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}
.modal .hint code {
    background: var(--bg);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}
.modal-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.25rem;
    justify-content: flex-end;
}

/* ── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.tab-content { padding-top: 0.5rem; }

/* ═══════════════════════════════════════════════════════════ */
/* Playlist Workshop                                          */
/* ═══════════════════════════════════════════════════════════ */

/* ── Tab Bar ────────────────────────────────────────────── */
.tab-bar {
    display: flex;
    gap: 0;
    flex-shrink: 0;
}
.tab-btn {
    padding: 0.3rem 0.85rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.78rem;
    transition: all 0.15s;
    font-family: inherit;
    line-height: 1;
}
.tab-btn + .tab-btn { border-left: none; }
.tab-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.tab-btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.tab-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.tab-btn:hover:not(.active) {
    background: rgba(233, 69, 96, 0.1);
}

/* ── Workshop Sections ──────────────────────────────────── */
.ws-section {
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.ws-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}
.ws-section-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}
.ws-header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.ws-status-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.ws-placeholder {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}
.ws-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2.5rem 1rem;
    grid-column: 1 / -1;
}
.ws-loading-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: ws-spin 0.8s linear infinite;
}
@keyframes ws-spin { to { transform: rotate(360deg); } }
.ws-loading-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    transition: opacity 0.3s;
}
.ws-error { color: var(--accent); }

/* ── Chord Diagram ─────────────────────────────────────── */
.chord-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
}
.chord-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    justify-content: center;
}
.chord-control-group {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.chord-control-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}
.chord-control-group input[type="range"] {
    width: 120px;
    accent-color: var(--success);
}
.chord-control-val {
    font-size: 0.75rem;
    color: var(--text);
    min-width: 30px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
/* Chord type toggle */
.chord-type-selector {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 1rem;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    padding: 4px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border);
}
.chord-type-btn {
    flex: 1;
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
}
.chord-type-btn:hover {
    color: var(--text);
    background: rgba(255,255,255,0.06);
}
.chord-type-btn.active {
    background: rgba(78,204,163,0.2);
    color: var(--success);
    font-weight: 600;
}
/* SVG elements */
.chord-label {
    fill: var(--text-muted);
    font-size: 0.7rem;
    font-family: inherit;
}
.chord-arc { cursor: pointer; }
.chord-ribbon { cursor: pointer; }
/* Tooltip */
.chord-tooltip {
    display: none;
    position: absolute;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.65rem;
    z-index: 300;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    font-size: 0.8rem;
    color: var(--text);
    max-width: 300px;
    pointer-events: none;
}

/* ── Vibe Input ────────────────────────────────────────── */
.ws-vibe-input {
    margin-bottom: 0.75rem;
}
.ws-vibe-input label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    display: block;
}
.ws-vibe-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.ws-vibe-field {
    flex: 1;
    max-width: 600px;
}

/* ── Suggestion Cards ───────────────────────────────────── */
.ws-suggestions-toolbar {
    grid-column: 1 / -1;
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}
.ws-suggestions-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

/* ── Chord Popover ──────────────────────────────────────── */
.chord-popover {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.6rem 0.75rem;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    position: absolute;
}
.chord-popover p {
    font-size: 0.8rem;
    margin: 0;
}
.chord-popover-count {
    font-size: 0.75rem;
    color: var(--success);
}
.chord-popover .btn {
    width: 100%;
}

/* ── Faceted Search ─────────────────────────────────────── */
.ws-filters {
    margin-bottom: 0.75rem;
}
.ws-filter-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}
.ws-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 120px;
}
.ws-filter-group.ws-filter-wide {
    min-width: 180px;
    flex: 1;
    max-width: 280px;
}
.ws-filter-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}
.ws-filter-group select,
.ws-text-input {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    font-family: inherit;
}
.ws-filter-group select[multiple] {
    min-height: 60px;
}
.ws-filter-group select option {
    padding: 2px 4px;
}
.ws-range-inputs {
    display: flex;
    align-items: center;
    gap: 4px;
}
.ws-range-inputs input {
    width: 70px;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem 0.4rem;
    font-size: 0.8rem;
    font-family: inherit;
}
.ws-range-sep {
    color: var(--text-muted);
    font-size: 0.8rem;
}
.ws-filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.ws-search-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

/* ── Search Results Table ───────────────────────────────── */
.ws-results-toolbar {
    margin-bottom: 0.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.ws-seed-col {
    width: 28px;
    min-width: 28px;
    max-width: 28px;
    text-align: center !important;
    padding: 0.3rem 0 !important;
}
.ws-seed-cb {
    cursor: pointer;
    accent-color: var(--accent);
}
tr.ws-seed-selected {
    background: rgba(233, 69, 96, 0.08) !important;
}
.ws-results-table,
.ws-pl-tracks {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.ws-results-table th,
.ws-results-table td,
.ws-pl-tracks th,
.ws-pl-tracks td {
    padding: 0.3rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}
.ws-results-table th,
.ws-pl-tracks th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    position: sticky;
    top: 0;
    background: var(--surface);
}
.ws-results-table tbody tr:hover,
.ws-pl-tracks tbody tr:hover {
    background: rgba(255,255,255,0.03);
}
.ws-genre-cell {
    max-width: 200px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.ws-comment-cell {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    line-height: 1.35;
    max-width: 350px !important;
    min-width: 180px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.ws-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.ws-sortable:hover {
    color: var(--accent);
}

/* ── Playlist Builder ───────────────────────────────────── */
.ws-playlists-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    min-height: 120px;
}
.ws-playlist-sidebar {
    border-right: 1px solid var(--border);
    padding-right: 0.75rem;
}
.ws-playlist-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.45rem 0.5rem;
    cursor: pointer;
    border-radius: var(--radius);
    margin-bottom: 0.2rem;
    font-size: 0.8rem;
    transition: background 0.1s;
}
.ws-playlist-item:hover {
    background: rgba(255,255,255,0.05);
}
.ws-playlist-item.active {
    background: var(--surface-alt);
}
.ws-pl-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.ws-pl-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 0.3rem;
    flex-shrink: 0;
}

/* Playlist detail panel */
.ws-pl-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}
.ws-pl-name-input {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.3rem 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    flex: 1;
    max-width: 400px;
}
.ws-pl-track-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}
.ws-pl-description {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.ws-pl-actions {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}
.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px 6px;
    border-radius: 3px;
    line-height: 1;
}
.btn-icon:hover {
    background: rgba(233, 69, 96, 0.2);
    color: var(--accent);
}

/* ── Add-to-Playlist Modal ──────────────────────────────── */
.atp-playlist-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
}
.atp-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    transition: border-color 0.15s;
}
.atp-item:hover {
    border-color: var(--accent);
}
.atp-item span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Responsive adjustments ─────────────────────────────── */
@media (max-width: 768px) {
    .ws-playlists-layout {
        grid-template-columns: 1fr;
    }
    .ws-playlist-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-right: 0;
        padding-bottom: 0.75rem;
    }
    .ws-filter-row {
        flex-direction: column;
    }
    .ws-filter-group.ws-filter-wide {
        max-width: 100%;
    }
}

/* ── Score Badges ──────────────────────────────────────── */
.ws-score {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.ws-score-high {
    background: rgba(78, 204, 163, 0.25);
    color: var(--success);
}
.ws-score-mid {
    background: rgba(233, 178, 69, 0.2);
    color: #e9b245;
}
.ws-score-low {
    background: rgba(233, 69, 96, 0.15);
    color: var(--text-muted);
}
.ws-score-cell {
    width: 50px;
    min-width: 50px;
    text-align: center;
}

/* ── LLM Reranking ────────────────────────────────────── */
.ws-rerank-notes {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.5rem;
    background: rgba(78, 204, 163, 0.05);
    border-left: 3px solid var(--success);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.ws-reason-cell {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    line-height: 1.35;
    max-width: 250px !important;
    min-width: 120px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.ws-flow-notes {
    font-size: 0.75rem;
    color: var(--success);
    cursor: help;
    text-decoration: underline dotted;
    margin-left: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   Collection Tree Tab
   ═══════════════════════════════════════════════════════════════ */

/* ── Tree type selector toggle ────────────────────────────── */
.tree-type-selector {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    padding: 4px;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border);
}
.tree-type-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
}
.tree-type-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}
.tree-type-btn.active {
    background: rgba(78, 204, 163, 0.2);
    color: var(--success);
    font-weight: 600;
}

/* ── Intro / Build section ─────────────────────────────────── */
.tree-intro {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 700px;
    margin: 2rem auto;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid var(--border);
}
.tree-intro h2 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--success) 0%, var(--surface-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.tree-intro p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* ── Build actions ─────────────────────────────────────────── */
.tree-build-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.tree-resume-btn {
    background: transparent;
    border: 1px solid var(--success);
    color: var(--success);
    font-size: 0.9rem;
}
.tree-resume-btn:hover:not(:disabled) {
    background: rgba(78, 204, 163, 0.15);
}
.tree-resume-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.tree-test-btn {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    font-size: 0.78rem;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.tree-test-btn:hover {
    border-color: var(--success);
    color: var(--success);
}

/* ── Build progress ────────────────────────────────────────── */
.tree-progress {
    max-width: 700px;
    margin: 1.5rem auto;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.tree-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.tree-progress-header h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--success);
}
.tree-progress-bar-container {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.tree-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #3bceac);
    border-radius: 3px;
    transition: width 0.4s ease;
    width: 0%;
}
.tree-progress-detail {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ── Phase timeline (collection builds) ─────────────────────── */
.progress-phases {
    display: flex;
    gap: 4px;
    margin: 1rem 0 0.75rem;
    justify-content: center;
}
.progress-phase-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    max-width: 90px;
    opacity: 0.35;
    transition: opacity 0.3s;
}
.progress-phase-step.done { opacity: 1; }
.progress-phase-step.active { opacity: 1; }
.progress-phase-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 600;
    background: rgba(255,255,255,0.08);
    color: var(--text-muted);
    border: 2px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.progress-phase-step.done .progress-phase-icon {
    background: var(--success);
    color: #000;
    border-color: var(--success);
}
.progress-phase-step.active .progress-phase-icon {
    background: transparent;
    color: var(--success);
    border-color: var(--success);
    animation: pulse-ring 1.5s ease-in-out infinite;
}
@keyframes pulse-ring {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,206,86,0.3); }
    50% { box-shadow: 0 0 0 6px rgba(0,206,86,0); }
}
.progress-phase-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.2;
}
.progress-phase-step.done .progress-phase-label,
.progress-phase-step.active .progress-phase-label {
    color: var(--text);
}

/* ── Phase narrative ────────────────────────────────────────── */
.progress-narrative {
    margin: 1rem 0 0;
    padding: 14px 16px;
    background: rgba(0, 206, 86, 0.04);
    border-left: 3px solid var(--success);
    border-radius: 0 8px 8px 0;
    transition: opacity 0.2s ease;
}
.progress-narrative.narrative-fading {
    opacity: 0;
}
.progress-narrative h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--success);
    margin: 0 0 6px;
}
.progress-narrative p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* ── Activity log ───────────────────────────────────────────── */
.progress-log {
    margin-top: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.progress-log-header {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 6px 10px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}
.progress-log-entries {
    max-height: 140px;
    overflow-y: auto;
    padding: 4px 0;
    font-size: 0.78rem;
    font-family: var(--font-mono, monospace);
}
.progress-log-entry {
    padding: 2px 10px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.progress-log-entry.log-error {
    color: var(--danger, #ff6b6b);
    font-weight: 500;
}
.log-time {
    color: rgba(255,255,255,0.25);
    margin-right: 8px;
    font-variant-numeric: tabular-nums;
}

/* ── Inline error display ───────────────────────────────────── */
.progress-error {
    margin-top: 0.75rem;
    padding: 10px 14px;
    background: rgba(255,80,80,0.1);
    border: 1px solid rgba(255,80,80,0.3);
    border-radius: 6px;
    color: #ff6b6b;
    font-size: 0.85rem;
}

/* ── Tree header / stats ───────────────────────────────────── */
.tree-header {
    margin-bottom: 1.5rem;
}
.tree-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 1rem 0;
}
.tree-stat {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    text-align: center;
}
.tree-stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--success);
    display: block;
}
.tree-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.tree-stat-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    align-self: center;
}
.tree-stat-warning {
    background: rgba(233, 69, 96, 0.2);
    color: var(--accent);
}

/* ── Toolbar ───────────────────────────────────────────────── */
.tree-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    justify-content: flex-end;
}

/* ── Trees grid (lineage cards) ────────────────────────────── */
.trees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.tree-container {
    background: rgba(255, 255, 255, 0.025);
    border-radius: 14px;
    padding: 1.5rem;
    border: 1px solid var(--border);
}
.tree-card-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(78, 204, 163, 0.25);
}
.tree-title {
    font-size: 1.4rem;
    margin-bottom: 4px;
    color: var(--success);
}
.tree-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.tree-card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* ── Tree nodes ────────────────────────────────────────────── */
.tree-node {
    margin-bottom: 6px;
}
.tree-node-btn {
    width: 100%;
    text-align: left;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: inherit;
}
.tree-node-btn:hover {
    background: rgba(78, 204, 163, 0.12);
    border-color: rgba(78, 204, 163, 0.35);
    transform: translateX(3px);
}
.tree-node-btn.expanded {
    background: rgba(78, 204, 163, 0.1);
    border-color: rgba(78, 204, 163, 0.3);
}
.tree-node-btn.leaf {
    border-left: 3px solid rgba(78, 204, 163, 0.4);
}
.tree-node-icon {
    font-size: 0.85rem;
    min-width: 16px;
    transition: transform 0.2s ease;
    display: inline-block;
}
.tree-node-btn.expanded .tree-node-icon {
    transform: rotate(90deg);
}
.tree-node-btn.leaf .tree-node-icon {
    transform: none;
}
.tree-node-title {
    font-weight: 500;
    flex: 1;
}
.tree-node-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

/* ── Node body (expanded content) ──────────────────────────── */
.tree-node-body {
    margin-left: 26px;
    margin-top: 8px;
}
.tree-node-detail {
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border-left: 3px solid var(--success);
    animation: treeSlideIn 0.25s ease;
}
.tree-branch-desc {
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 8px;
}
@keyframes treeSlideIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}
.tree-node-description {
    color: #d0d0d0;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.tree-node-actions {
    margin-top: 0.75rem;
}
.tree-lineage-actions {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
}
.tree-lineage-examples {
    margin-bottom: 0;
}

/* ── Examples ──────────────────────────────────────────────── */
.tree-node-examples {
    margin-top: 1rem;
}
.tree-examples-title {
    font-weight: 600;
    color: var(--success);
    margin-bottom: 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.tree-play-all-btn {
    font-size: 0.7rem;
    padding: 2px 10px;
    text-transform: none;
    letter-spacing: 0;
}
.tree-play-all-btn.play-all-playing,
.play-all-btn.play-all-playing {
    background: var(--success);
    border-color: var(--success);
    color: var(--bg);
}
.tree-example-track {
    background: rgba(255, 255, 255, 0.03);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 5px;
    border-left: 3px solid rgba(78, 204, 163, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, border-color 0.2s;
}
.tree-example-track.play-all-active,
.ws-pl-tracks tr.play-all-active {
    background: rgba(78, 204, 163, 0.12);
    border-left-color: var(--success);
}
.tree-track-title {
    font-weight: 500;
    color: var(--text);
    font-size: 0.88rem;
}
.tree-track-artist {
    color: var(--text-muted);
    font-size: 0.82rem;
}
.tree-track-year {
    color: #666;
    font-size: 0.78rem;
    margin-left: auto;
}

/* ── Children container ────────────────────────────────────── */
.tree-children {
    margin-top: 4px;
}

/* ── Ungrouped section ─────────────────────────────────────── */
.tree-ungrouped-section {
    margin-top: 2rem;
}
.tree-ungrouped-header {
    margin-bottom: 0.75rem;
}
.tree-ungrouped-toggle {
    width: 100%;
    text-align: left;
    background: rgba(233, 69, 96, 0.08);
    border: 1px solid rgba(233, 69, 96, 0.2);
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
    font-family: inherit;
}
.tree-ungrouped-toggle:hover {
    background: rgba(233, 69, 96, 0.15);
    border-color: rgba(233, 69, 96, 0.35);
}
.tree-ungrouped-toggle.expanded .tree-node-icon {
    transform: rotate(90deg);
}
.tree-ungrouped-hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    padding-left: 2rem;
}
.tree-ungrouped-actions {
    margin-top: 0.75rem;
    padding-left: 2rem;
}
.tree-ungrouped-actions + .tree-progress {
    margin: 0.75rem 0 0 2rem;
}
.tree-ungrouped-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}
.tree-ungrouped-table th {
    text-align: left;
    padding: 6px 10px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.8rem;
}
.tree-ungrouped-table td {
    padding: 6px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text);
}
.tree-ungrouped-comment {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── Collection Tree — category sidebar + card grid ────────── */
.collection-view { }
.collection-header { margin-bottom: 1rem; }

.collection-category-section {
    margin-bottom: 2rem;
}

.collection-category-header { margin-bottom: 1.5rem; }
.collection-category-header h2 {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    color: var(--success);
}
.collection-category-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 0;
}
.collection-category-actions {
    margin-top: 0.5rem;
}
.cc-track-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.collection-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

.collection-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    transition: border-color 0.15s;
}
.collection-card:hover {
    border-color: rgba(78, 204, 163, 0.3);
}
.collection-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
    gap: 8px;
}
.collection-card-header h3 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
}
.collection-card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.collection-card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}
.cc-tag {
    font-size: 0.68rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    white-space: nowrap;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cc-genre { border: 1px solid rgba(100, 200, 255, 0.25); color: rgba(140, 210, 255, 0.9); }
.cc-scene { border: 1px solid rgba(255, 180, 100, 0.25); color: rgba(255, 200, 140, 0.9); }
.cc-enrich-badge {
    font-size: 0.7rem;
    color: #f0ad4e;
    cursor: help;
    margin-left: auto;
}

.collection-card-examples {
    margin-top: 8px;
    border-top: 1px solid var(--border);
    padding-top: 8px;
}
.collection-card-examples .tree-examples-title {
    font-size: 0.7rem;
    margin-bottom: 6px;
}
.collection-card-examples .tree-example-track {
    padding: 3px 0;
}

.collection-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .trees-grid {
        grid-template-columns: 1fr;
    }
    .tree-stats {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ── Album Artwork Thumbnail ──────────────────────────────── */
.track-artwork {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.06);
    opacity: 1;
}
.track-artwork.artwork-loaded {
    opacity: 1;
}
.ws-preview-cell {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
.tree-example-track .track-artwork {
    width: 56px;
    height: 56px;
    min-width: 56px;
}

/* ── Preview Button ────────────────────────────────────────── */
.btn-preview {
    width: 26px;
    height: 26px;
    min-width: 26px;
    padding: 0;
    border: 1px solid rgba(78, 204, 163, 0.3);
    border-radius: 50%;
    background: rgba(78, 204, 163, 0.1);
    color: var(--success);
    cursor: pointer;
    font-size: 0.7rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}
.btn-preview:hover:not(:disabled) {
    background: rgba(78, 204, 163, 0.25);
    border-color: var(--success);
    transform: scale(1.1);
}
.btn-preview:disabled {
    cursor: default;
    opacity: 0.5;
}
.btn-preview.preview-playing {
    background: var(--success);
    color: var(--bg);
    border-color: var(--success);
    animation: previewPulse 1.5s ease-in-out infinite;
}
.btn-preview.preview-loading {
    animation: previewSpin 0.8s linear infinite;
    border-color: var(--success);
}
.btn-preview.preview-unavailable {
    border-color: var(--border);
    color: var(--text-muted);
    background: transparent;
}

@keyframes previewPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(78, 204, 163, 0.3); }
    50% { box-shadow: 0 0 0 4px rgba(78, 204, 163, 0); }
}

@keyframes previewSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}


/* ═══════════════════════════════════════════════════════════════════════════
   Set Workshop
   ═══════════════════════════════════════════════════════════════════════════ */

/* -- Mode toggle (Workshop / Play Set) ---------------------------------- */
.set-mode-toggle {
    display: inline-flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--border);
}
.set-mode-btn {
    padding: 4px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
}
.set-mode-btn:hover:not(:disabled):not(.active) {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}
.set-mode-btn.active#set-mode-workshop {
    background: rgba(78, 204, 163, 0.2);
    color: var(--success);
    font-weight: 600;
}
.set-mode-btn.active#set-mode-playset {
    background: rgba(29, 185, 84, 0.25);
    color: #1db954;
    font-weight: 600;
}
.set-mode-btn:disabled:not(.active) {
    opacity: 0.4;
    cursor: default;
}

/* -- Grid wrapper: horizontal scrolling --------------------------------- */
.set-grid-wrapper { overflow: visible; }
.set-grid-scroll {
    overflow-x: auto;
    overflow-y: visible;
    padding-bottom: 1rem;
}
.set-grid-scroll::-webkit-scrollbar { height: 8px; }
.set-grid-scroll::-webkit-scrollbar-track { background: var(--surface); border-radius: 4px; }
.set-grid-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* -- Grid content: center when narrower than viewport ------------------- */
.set-grid-content {
    width: fit-content;
    margin: 0 auto;
}

/* -- Row labels (left column) ------------------------------------------- */
.set-row-label {
    width: 44px;
    flex-shrink: 0;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: right;
    padding-right: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* -- Phase Row (energy phase indicators) -------------------------------- */
.set-phase-area {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
}
.set-phase-row {
    display: flex;
    gap: 6px;
}
.set-phase-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--phase-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--phase-color) 25%, transparent);
    overflow: hidden;
    white-space: nowrap;
}
.set-phase-name {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--phase-color);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    flex-shrink: 0;
}
.set-phase-desc {
    font-size: 0.65rem;
    color: color-mix(in srgb, var(--phase-color) 60%, var(--text-muted));
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ═══ Phases Tab ════════════════════════════════════════════════════════════ */

.phases-layout {
    display: flex;
    gap: 1.5rem;
    padding: 1rem;
    height: calc(100vh - 80px);
}

/* -- Sidebar (profile list) --------------------------------------------- */
.phases-sidebar {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.phases-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.phases-sidebar-header h2 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text);
}
.phases-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    padding-right: 4px;
}
.phases-empty {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* -- Profile cards ------------------------------------------------------ */
.phase-profile-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.phase-profile-card:hover {
    border-color: var(--success);
    box-shadow: 0 0 0 1px rgba(78,204,163,0.15);
}
.phase-profile-card.active {
    border-color: var(--success);
    background: rgba(78,204,163,0.05);
}
.phase-profile-card-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.35rem;
}
.phase-profile-card-preview {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.35rem;
}
.phase-profile-card-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* -- Default badge ------------------------------------------------------ */
.phases-badge {
    display: inline-block;
    font-size: 0.6rem;
    padding: 1px 5px;
    background: rgba(78,204,163,0.15);
    color: var(--success);
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-left: 0.4rem;
    vertical-align: middle;
}

/* -- Editor panel ------------------------------------------------------- */
.phases-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    padding-right: 4px;
}
.phases-editor-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.phases-name-input {
    font-size: 1.2rem;
    font-weight: 600;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    width: 100%;
    font-family: inherit;
}
.phases-name-input:disabled {
    opacity: 0.7;
    cursor: default;
}
.phases-desc-input {
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    resize: vertical;
    font-family: inherit;
}
.phases-desc-input:disabled {
    opacity: 0.7;
    cursor: default;
}

/* -- Preview bar (large, in editor) ------------------------------------- */
.phases-preview-bar {
    display: flex;
    height: 44px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.phases-preview-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    overflow: hidden;
    white-space: nowrap;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--phase-color);
    background: color-mix(in srgb, var(--phase-color) 15%, transparent);
    border-right: 1px solid color-mix(in srgb, var(--phase-color) 30%, var(--border));
}
.phases-preview-segment:last-child {
    border-right: none;
}

/* -- Phase table -------------------------------------------------------- */
.phases-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}
.phases-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.phase-row {
    display: grid;
    grid-template-columns: 1fr 60px 60px 36px 2fr 32px;
    gap: 6px;
    align-items: center;
    padding: 6px 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
}
.phase-row input[type="text"],
.phase-row input[type="number"] {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: inherit;
}
.phase-row input[type="text"]:disabled,
.phase-row input[type="number"]:disabled {
    opacity: 0.6;
    cursor: default;
}
.phase-row input[type="number"] {
    font-variant-numeric: tabular-nums;
    text-align: center;
}
.phase-row input[type="color"] {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
    padding: 0;
}
.phase-row input[type="color"]:disabled {
    opacity: 0.6;
    cursor: default;
}
.phase-row-remove {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}
.phase-row-remove:hover {
    color: #e94560;
}

/* -- Actions bar -------------------------------------------------------- */
.phases-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

/* -- Additional button variant ------------------------------------------ */
.btn-success {
    background: var(--success);
    color: #000;
}
.btn-success:hover {
    filter: brightness(1.1);
}

/* -- Slot Headers (source indicator + controls) ------------------------- */
.set-slot-headers-area {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
}
.set-slot-headers {
    display: flex;
    gap: 6px;
}
.set-slot-header {
    width: 56px;
    text-align: center;
    min-height: 42px;
    border-radius: 4px;
    transition: background 0.2s;
}
.set-slot-header.drag-over {
    background: rgba(78,204,163,0.12);
}
.set-source-name {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 3px 0;
    border-radius: 3px;
    background: rgba(255,255,255,0.03);
    border: 1px solid transparent;
    line-height: 1.3;
    margin-bottom: 2px;
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}
.set-source-name:hover {
    color: var(--success);
    background: rgba(78,204,163,0.06);
    border-color: rgba(78,204,163,0.25);
}
.set-add-source-btn {
    width: 100%;
    height: 28px;
    border: 1px dashed var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
    font-family: inherit;
    transition: all 0.2s;
}
.set-add-source-btn:hover {
    border-color: var(--success);
    color: var(--success);
}

/* -- Source Group (consecutive same-source slots) ----------------------- */
.set-source-group {
    cursor: grab;
    min-height: 42px;
    text-align: center;
    position: relative;
}
.set-source-group:active {
    cursor: grabbing;
}
.set-source-group .set-group-label {
    width: 100%;
    max-width: 100%;
    border: 1px solid rgba(78, 204, 163, 0.25);
    background: rgba(78, 204, 163, 0.06);
}

/* -- Insert Row (circled "+" buttons between source groups) ------------- */
.set-insert-row-area {
    display: flex;
    align-items: center;
    height: 18px;
    margin-bottom: 2px;
    position: relative;
    z-index: 3;
    overflow: visible;
}
.set-insert-row {
    display: flex;
    gap: 6px;
    align-items: center;
    overflow: visible;
}
.set-insert-spacer {
    flex: 0 0 auto;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.set-delete-col-btn {
    border: none;
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.65rem;
    padding: 2px 5px;
    font-family: inherit;
    line-height: 1;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
    flex: 0 0 auto;
}
.set-delete-col-btn:hover {
    color: #ff6b6b;
    background: rgba(255,107,107,0.15);
}
.set-insert-col-btn {
    width: 0;
    flex: 0 0 0px;
    margin: 0 -3px;          /* compensate for flex gap on each side */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    cursor: pointer;
}
.set-insert-col-btn span {
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.10);
    background: var(--bg-surface, #1e1e2e);
    color: rgba(255,255,255,0.22);
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1;
}
.set-insert-line {
    position: absolute;
    top: 9px;                 /* start at bottom of circle (18/2) */
    left: 50%;
    transform: translateX(-50%);
    width: 10px;              /* hover hit-zone */
    height: 647px;            /* 9px insert-row + 2px margin + 636px BPM grid */
    cursor: pointer;
    background: linear-gradient(to right,
        transparent calc(50% - 0.5px),
        rgba(255,255,255,0.06) calc(50% - 0.5px),
        rgba(255,255,255,0.06) calc(50% + 0.5px),
        transparent calc(50% + 0.5px)
    );
    transition: background 0.2s;
}
/* Hover on wrapper (circle or line) → both light up green */
.set-insert-col-btn:hover span {
    border-color: var(--success);
    color: var(--success);
    background: rgba(78,204,163,0.12);
    transform: scale(1.15);
    box-shadow: 0 0 8px rgba(78,204,163,0.3);
}
.set-insert-col-btn:hover .set-insert-line {
    background: linear-gradient(to right,
        transparent calc(50% - 0.5px),
        rgba(78,204,163,0.35) calc(50% - 0.5px),
        rgba(78,204,163,0.35) calc(50% + 0.5px),
        transparent calc(50% + 0.5px)
    );
}

/* -- Key area ----------------------------------------------------------- */
.set-key-area {
    display: flex;
    align-items: center;
    margin-top: 48px;
    margin-bottom: 4px;
}
.set-key-row {
    display: flex;
    gap: 6px;
}
.set-key-cell {
    width: 56px;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 3px 0;
    border-radius: 3px;
    background: rgba(255,255,255,0.03);
    border: 1px solid transparent;
    font-variant-numeric: tabular-nums;
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
    font-weight: 500;
}
.set-key-cell.play-set-active {
    color: var(--key-raw, inherit) !important;
    background-color: color-mix(in srgb, var(--key-raw, transparent) 20%, transparent) !important;
    border-color: color-mix(in srgb, var(--key-raw, transparent) 40%, transparent) !important;
}

/* -- BPM area ----------------------------------------------------------- */
.set-bpm-area {
    display: flex;
    position: relative;
    margin-bottom: 4px;
}
.set-bpm-axis {
    width: 44px;
    position: relative;
    flex-shrink: 0;
    height: 636px;
}
.set-bpm-label {
    position: absolute;
    right: 6px;
    font-size: 0.65rem;
    color: var(--text-muted);
    transform: translateY(50%);
    font-variant-numeric: tabular-nums;
}
/* BPM labels positioned for 50-170 range with 576px grid + 30px padding */
.set-bpm-label[data-bpm="170"] { top: 30px; }
.set-bpm-label[data-bpm="150"] { top: 126px; }
.set-bpm-label[data-bpm="130"] { top: 222px; }
.set-bpm-label[data-bpm="110"] { top: 318px; }
.set-bpm-label[data-bpm="90"]  { top: 414px; }
.set-bpm-label[data-bpm="70"]  { top: 510px; }
.set-bpm-label[data-bpm="50"]  { top: 606px; }

.set-bpm-grid {
    flex: none;
    position: relative;
    height: 636px;
    overflow: hidden;
}

/* BPM gridlines */
.set-bpm-gridline {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

/* Energy wave SVG */
.set-energy-svg {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}
.set-energy-line {
    fill: none;
    stroke: var(--accent);
    stroke-width: 2.5;
    opacity: 0.5;
}
.set-energy-line--alive {
    opacity: 0.5;
    filter: drop-shadow(0 0 4px var(--accent));
}
.set-energy-line--ghost {
    stroke-width: 1.5;
    opacity: 0.25;
}
.set-energy-line--ghost.set-energy-line--alive {
    opacity: 0.25;
}
.set-energy-line--ghost-far {
    stroke-width: 1;
    opacity: 0.12;
}
.set-energy-line--ghost-far.set-energy-line--alive {
    opacity: 0.12;
}
.set-energy-fill {
    fill: var(--accent);
    opacity: 0.05;
}

/* -- Track columns ------------------------------------------------------ */
.set-columns {
    display: flex;
    gap: 6px;
    position: relative;
    z-index: 2;
    height: 100%;
}
.set-column {
    position: relative;
    width: 56px;
    flex-shrink: 0;
    height: 100%;
    border-radius: 4px;
    transition: background 0.3s;
    cursor: grab;
}
.set-column:active { cursor: grabbing; }
.set-column:hover:not(.play-set-active) {
    background: var(--key-bg, transparent);
}
.set-column.drag-over {
    background: rgba(78,204,163,0.12);
}

/* Individual track slot (absolutely positioned at BPM Y) */
.set-track-slot {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    position: absolute;
    left: 4px;
    flex-shrink: 0;
    opacity: 0.35;
    transform: scale(0.90);
    filter: brightness(0.65);
    transition: all 0.25s ease;
    border: 2px solid transparent;
}
.set-track-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background: rgba(255,255,255,0.05);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
.set-track-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    color: var(--text-muted);
    text-align: center;
    overflow: hidden;
    line-height: 1.1;
    padding: 2px;
    word-break: break-all;
    background: rgba(255,255,255,0.04);
}
.set-track-slot.selected {
    opacity: 1;
    transform: scale(1);
    filter: brightness(1);
    border-color: var(--success);
    box-shadow: 0 0 10px rgba(78,204,163,0.4), 0 0 3px rgba(78,204,163,0.2);
    z-index: 5;
}
.set-track-slot:not(.selected):hover {
    opacity: 0.65;
    transform: scale(0.95);
    filter: brightness(0.85);
}

/* Loading shimmer for empty BPM rows while filling */
.set-track-shimmer {
    background: rgba(255,255,255,0.04);
    opacity: 0.3;
    transform: scale(0.90);
    cursor: default;
    animation: slotShimmer 1.2s ease-in-out infinite;
}
@keyframes slotShimmer {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.35; }
}

/* Fade-in for newly arrived tracks (staggered via animation-delay in JS) */
.set-track-fade-in {
    animation: slotFadeIn 0.3s ease-out backwards;
}
@keyframes slotFadeIn {
    from { opacity: 0; transform: scale(0.65); }
}

/* Empty slot placeholder in BPM grid */
.set-empty-slot {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 4px;
    width: 48px;
    height: 48px;
    border: 1px dashed var(--border);
    border-radius: 4px;
    opacity: 0.15;
    cursor: pointer;
    transition: all 0.2s;
}
.set-empty-slot:hover {
    opacity: 0.35;
    border-color: var(--success);
}

/* -- Tooltip ------------------------------------------------------------ */
.set-track-tooltip {
    display: none;
    position: fixed;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.65rem;
    z-index: 300;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    font-size: 0.75rem;
    color: var(--text);
    max-width: 240px;
    pointer-events: none;
}
.set-track-tooltip.visible { display: block; }
.set-track-tooltip .tt-title { font-weight: 600; margin-bottom: 2px; }
.set-track-tooltip .tt-artist { color: var(--text-muted); margin-bottom: 4px; }
.set-track-tooltip .tt-meta {
    display: flex;
    gap: 0.5rem;
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* -- Preview row -------------------------------------------------------- */
.set-preview-area {
    display: flex;
    align-items: center;
    margin-top: 2px;
}
.set-preview-row {
    display: flex;
    gap: 6px;
}
.set-preview-cell {
    width: 56px;
    display: flex;
    justify-content: center;
}

/* -- Time row ----------------------------------------------------------- */
.set-time-area {
    display: flex;
    align-items: center;
    margin-top: 2px;
    margin-bottom: 48px;
}
.set-time-row {
    display: flex;
    gap: 6px;
}
.set-time-cell {
    width: 56px;
    text-align: center;
    font-size: 0.6rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* -- Drawer push: shrink content when drawer is open -------------------- */
#tab-setbuilder {
    padding-top: 5rem;
    transition: padding-right 0.3s ease;
}
#tab-setbuilder.drawer-open {
    padding-right: 380px;
}

/* -- Drawer (right-hand slide-out) -------------------------------------- */
.set-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    z-index: 200;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}
.set-drawer.open {
    right: 0;
}
.set-drawer-inner {
    padding: 1.25rem;
}
.set-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.set-drawer-header h3 {
    margin: 0;
    font-size: 1rem;
}
.set-drawer-search {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem;
    font-size: 0.8rem;
    font-family: inherit;
    margin-bottom: 0.75rem;
}
.set-drawer-search:focus {
    border-color: var(--success);
    outline: none;
}

/* Drawer lists (browse) */
.set-drawer-list h4 {
    font-size: 0.8rem;
    color: var(--text);
    margin: 0.75rem 0 0.4rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.set-drawer-source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.45rem 0.5rem;
    cursor: pointer;
    border-radius: var(--radius);
    transition: background 0.15s;
}
.set-drawer-source-item:hover {
    background: rgba(255,255,255,0.04);
}
.set-drawer-source-name {
    font-size: 0.8rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}
.set-drawer-source-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 0.5rem;
}

/* Drawer tree browser */
.set-drawer-tree h4 {
    font-size: 0.8rem;
    color: var(--text);
    margin: 0.75rem 0 0.4rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.set-drawer-tree-node {
    cursor: pointer;
    padding: 0.3rem 0.4rem;
    border-radius: 3px;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.set-drawer-tree-node:hover {
    background: rgba(255,255,255,0.04);
}
.set-drawer-tree-toggle {
    font-size: 0.6rem;
    width: 12px;
    text-align: center;
    color: var(--text-muted);
    flex-shrink: 0;
}
.set-drawer-tree-title {
    font-size: 0.75rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.set-drawer-tree-count {
    font-size: 0.6rem;
    color: var(--text-muted);
    flex-shrink: 0;
}
.set-drawer-tree-children {
    margin-left: 14px;
}
.set-drawer-tree-children.collapsed {
    display: none;
}

/* Drawer detail mode */
.set-drawer-detail-header h4 {
    margin: 0 0 0.4rem;
    font-size: 0.95rem;
    color: var(--text);
}
.set-drawer-detail-header .set-drawer-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.set-drawer-detail-header .set-drawer-count {
    font-size: 0.7rem;
    color: var(--success);
    display: block;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.set-drawer-track-list {
    max-height: calc(100vh - 220px);
    overflow-y: auto;
}
.set-drawer-track-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    cursor: grab;
}
.set-drawer-track-row:active { cursor: grabbing; }
.set-drawer-track-art {
    width: 36px;
    height: 36px;
    border-radius: 3px;
    object-fit: cover;
    flex-shrink: 0;
    background: rgba(255,255,255,0.04);
}
.set-drawer-track-info {
    flex: 1;
    min-width: 0;
}
.set-drawer-track-title {
    display: block;
    font-size: 0.75rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.set-drawer-track-artist {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
}
.set-drawer-track-meta {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
    flex-shrink: 0;
}
.set-drawer-track-row .btn-preview {
    flex-shrink: 0;
}

/* -- Play-all active highlight ------------------------------------------ */
.set-column.play-all-active .set-track-slot.selected {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(233,69,96,0.5);
}

/* -- Push-to-set toast -------------------------------------------------- */
.set-push-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: #1db954;
    color: #fff;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    z-index: 9999;
    animation: toastFade 4s ease forwards;
    pointer-events: none;
}
@keyframes toastFade {
    0%, 70% { opacity: 1; }
    100% { opacity: 0; }
}

/* -- Track Search (drawer search mode) ---------------------------------- */
.set-drawer-search-context {
    margin-top: 1rem;
}
.set-drawer-empty {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.75rem 0;
    text-align: center;
}
.set-search-result-row {
    border-left: 3px solid transparent;
    transition: background 0.15s, border-color 0.15s;
}
.set-search-result-row:hover {
    background: rgba(255, 255, 255, 0.03);
}
.set-search-result-row.selected {
    background: rgba(78, 204, 163, 0.08);
    border-left-color: var(--success);
}

/* Selected track hero (now-playing style) */
.set-drawer-selected-track {
    margin-bottom: 0.75rem;
}
.selected-track-hero .now-playing-artwork-container {
    padding: 0.25rem 0 0.5rem;
}
.selected-track-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 0.5rem;
}
.selected-track-preview-btn {
    font-size: 0.7rem !important;
    width: 32px !important;
    height: 32px !important;
}
.selected-track-progress {
    padding: 0 0.5rem;
    margin-bottom: 0.75rem;
}

/* Context cards */
.set-search-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}
.set-search-card-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}
.set-search-card-header h4 {
    margin: 0 0 0.3rem;
    font-size: 0.85rem;
    color: var(--success);
}
.set-search-card:empty {
    display: none;
}
.set-search-card-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin: 0 0 0.3rem;
    line-height: 1.4;
}
.set-search-card-toggle {
    color: var(--success);
    text-decoration: none;
    font-size: 0.65rem;
    cursor: pointer;
}
.set-search-card-toggle:hover {
    text-decoration: underline;
}
.set-search-card-count {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.set-search-card-tracks {
    /* tracks expand naturally by default */
}
/* Constrain height only in search-context cards */
.set-drawer-search-context .set-search-card-tracks {
    max-height: 260px;
    overflow-y: auto;
}
.set-search-card-empty {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    font-style: italic;
}
.set-search-card-loading {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
}
.set-drawer-track-meta .set-drawer-track-key {
    margin-left: 0.3rem;
}

/* -- Also Appears In ---------------------------------------------------- */
.now-playing-also-in {
    padding: 0.5rem 0.75rem;
}
.also-in-header {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.also-in-link {
    display: block;
    font-size: 0.8rem;
    color: var(--accent);
    padding: 0.15rem 0;
    text-decoration: none;
}
.also-in-link:hover {
    text-decoration: underline;
}

/* -- Now Playing Mode (drawer) ------------------------------------------ */
.now-playing-artwork-container {
    text-align: center;
    padding: 0.5rem 0 0.75rem;
}
.now-playing-artwork {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 1;
    border-radius: var(--radius);
    object-fit: cover;
    background: rgba(255,255,255,0.04);
    display: block;
    margin: 0 auto;
}
.now-playing-track-info {
    text-align: center;
    margin-bottom: 1rem;
}
.now-playing-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.now-playing-artist {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.now-playing-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    gap: 1rem;
}
.now-playing-comment {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
    font-style: italic;
}
.now-playing-comment:empty {
    display: none;
}

/* Playback controls */
.now-playing-controls {
    position: sticky;
    bottom: 0;
    background: var(--surface);
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 1rem;
}
.now-playing-progress-container {
    margin-bottom: 0.5rem;
}
.now-playing-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.now-playing-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}
.now-playing-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-variant-numeric: tabular-nums;
}
.now-playing-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}
.now-playing-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
}
.now-playing-btn:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--text-muted);
}
.now-playing-btn-main {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    border-color: var(--accent);
}
.now-playing-btn-main:hover {
    background: rgba(233,69,96,0.1);
    border-color: var(--accent);
}
.now-playing-counter {
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
}

/* -- Base Drawer (bottom slide-up, horizontal now-playing) -------------- */
.base-drawer {
    position: fixed;
    left: 0;
    bottom: -250px;
    width: 100%;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 210;
    transition: bottom 0.35s ease;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
    padding: 0.75rem 1.25rem;
}
.base-drawer.open {
    bottom: 0;
}

/* Push content up when base drawer is open */
#tab-setbuilder.base-drawer-open {
    padding-bottom: 180px;
}
#tab-chat.base-drawer-open .chat-layout {
    height: calc(100vh - 46px - 130px);
}

/* Three-panel layout */
.base-drawer-panels {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    min-height: 105px;
}
.base-drawer-panel {
    display: flex;
    align-items: center;
}

/* Left panel: artwork + track info + comment */
.base-drawer-left {
    flex: 1;
    gap: 0.75rem;
    min-width: 0;
}
.base-np-artwork {
    width: 100px;
    height: 100px;
    border-radius: var(--radius);
    object-fit: cover;
    background: rgba(255,255,255,0.04);
    flex-shrink: 0;
}
.base-np-info {
    min-width: 0;
    flex: 1;
}
.base-np-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.base-np-artist-line {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 0.1rem;
}
.base-np-comment {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.35;
}
.base-np-comment:empty {
    display: none;
}

/* Center panel: controls + progress (anchored to screen center) */
.base-drawer-center {
    flex: 0 0 280px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
}
.base-np-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.base-np-controls .now-playing-btn {
    width: 30px;
    height: 30px;
    font-size: 0.65rem;
}
.base-np-controls .now-playing-btn-main {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
}
.base-drawer-progress {
    width: 100%;
}
.base-np-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
    font-variant-numeric: tabular-nums;
}
.base-np-counter {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* Right panel: collection source + side drawer button */
.base-drawer-right {
    flex: 1;
    gap: 0.75rem;
    justify-content: flex-end;
    min-width: 0;
}
.base-np-source {
    min-width: 0;
    flex: 1;
    text-align: right;
    cursor: pointer;
    transition: opacity 0.15s;
}
.base-np-source:hover {
    opacity: 0.8;
}
.base-np-collection-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.base-np-collection-title:empty {
    display: none;
}
.base-np-collection-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.35;
    margin-top: 0.15rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.base-np-collection-desc:empty {
    display: none;
}
.base-np-also-in {
    font-size: 0.65rem;
    color: var(--accent);
    margin-top: 0.15rem;
}
.base-np-also-in:empty {
    display: none;
}
.base-drawer-dig-btn {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    align-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.7rem;
    line-height: 1.4;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.base-drawer-dig-btn:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent);
    color: var(--text);
}

/* Play-set active column highlight (green, distinct from preview) */
.set-column.play-set-active {
    background: transparent;
}
.set-column.play-set-active .set-track-slot.selected {
    border-color: #1db954;
    box-shadow: 0 0 12px rgba(29,185,84,0.5);
}

/* ── EQ bar animation for playing slot ── */
@keyframes eqBarUp {
    0%   { clip-path: inset(92% 0 0 0); }
    25%  { clip-path: inset(45% 0 0 0); }
    50%  { clip-path: inset(85% 0 0 0); }
    75%  { clip-path: inset(25% 0 0 0); }
    100% { clip-path: inset(92% 0 0 0); }
}
@keyframes eqBarDown {
    0%   { clip-path: inset(0 0 92% 0); }
    25%  { clip-path: inset(0 0 45% 0); }
    50%  { clip-path: inset(0 0 85% 0); }
    75%  { clip-path: inset(0 0 25% 0); }
    100% { clip-path: inset(0 0 92% 0); }
}
/* BPM-synced pulse on EQ overlay opacity */
@keyframes eqPulse {
    0%   { opacity: 0.18; }
    50%  { opacity: 0.45; }
    100% { opacity: 0.18; }
}

/* Shared base for both EQ overlays */
.set-eq-overlay {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 2px;
    padding: 0 6px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.35;
    border-radius: 4px;
    overflow: hidden;
    animation: eqPulse var(--eq-pulse-speed, 0.5s) ease-in-out infinite;
}
/* Upward-projecting bars (from track top edge upward) */
.set-eq-overlay-up {
    align-items: flex-end;
    -webkit-mask-image: linear-gradient(to top, black 0%, transparent 70%);
    mask-image: linear-gradient(to top, black 0%, transparent 70%);
}
/* Downward-projecting bars (from track bottom edge downward) */
.set-eq-overlay-down {
    align-items: flex-start;
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
    mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
}
.set-eq-bar {
    flex: 1;
    height: 100%;
    background:
        repeating-linear-gradient(
            to top,
            var(--key-raw, #1db954) 0px,
            var(--key-raw, #1db954) 4px,
            transparent 4px,
            transparent 6px
        );
    border-radius: 2px 2px 0 0;
    animation: eqBarUp var(--eq-speed) ease-in-out infinite;
    animation-delay: var(--eq-delay, 0s);
}
/* Downward bar variant: mirrored origin + gradient direction */
.set-eq-overlay-down .set-eq-bar {
    border-radius: 0 0 2px 2px;
    animation-name: eqBarDown;
    background:
        repeating-linear-gradient(
            to bottom,
            var(--key-raw, #1db954) 0px,
            var(--key-raw, #1db954) 4px,
            transparent 4px,
            transparent 6px
        );
}

/* Settings checkbox label */
.cfg-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
}
.cfg-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

/* ═══ Saved Sets Tab ═══════════════════════════════════════════════════════ */

.sets-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.sets-header h2 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text);
}
.sets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.sets-empty {
    color: var(--text-muted);
    font-size: 0.85rem;
    grid-column: 1 / -1;
}
.set-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.set-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}
.set-card.active {
    border-color: var(--accent);
}
.set-card-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.set-card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}
.set-card-actions {
    display: flex;
    gap: 0.5rem;
}
.set-card-actions .set-card-delete {
    margin-left: auto;
}

/* ── Set Workshop: current set name (base styles) ─────────────────────── */

.set-current-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    margin-right: 0.25rem;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* Auto Set Tab                                                              */
/* ═══════════════════════════════════════════════════════════════════════════ */

.autoset-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ── Config Panel ─────────────────────────────────────────── */

.autoset-config {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.autoset-config-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.autoset-config-row:last-child {
    margin-bottom: 0;
}

.autoset-config-row label {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 80px;
    text-align: right;
}

.autoset-select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
}

.autoset-source-picker {
    flex: 1;
    min-width: 200px;
}

.autoset-track-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.autoset-track-count.autoset-warn {
    color: var(--accent);
}

/* ── Progress Area ────────────────────────────────────────── */

.autoset-progress {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.autoset-phase-timeline {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.autoset-phase-step {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.autoset-phase-step.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.1);
}

.autoset-phase-step.done {
    color: var(--success);
    border-color: var(--success);
    background: rgba(78, 204, 163, 0.08);
}

.autoset-phase-icon {
    font-weight: 700;
    font-size: 0.7rem;
}

.autoset-progress-bar-wrap {
    height: 4px;
    background: var(--bg);
    border-radius: 2px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.autoset-progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.autoset-progress-status {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.autoset-log-wrap {
    max-height: 150px;
    overflow-y: auto;
    background: var(--bg);
    border-radius: 4px;
    padding: 0.5rem;
}

.autoset-log {
    font-size: 0.7rem;
    font-family: monospace;
}

.autoset-log-entry {
    padding: 0.1rem 0;
    color: var(--text-muted);
}

.autoset-log-entry.log-error {
    color: var(--accent);
}

.log-time {
    color: var(--text-muted);
    opacity: 0.6;
    margin-right: 0.5rem;
}

/* ── Result Area ──────────────────────────────────────────── */

.autoset-result {
    margin-top: 1rem;
}

.autoset-narrative-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.autoset-narrative-box h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.autoset-narrative-text {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text);
    white-space: pre-wrap;
}

/* ── Act Breakdown ────────────────────────────────────────── */

.autoset-acts {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.autoset-act {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid #888;
    border-radius: var(--radius);
    overflow: hidden;
}

.autoset-act-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.autoset-act-name {
    font-weight: 600;
}

.autoset-act-pct {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.autoset-act-count {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 0.7rem;
}

.autoset-act-tracks {
    padding: 0.25rem 0.75rem 0.5rem;
}

.autoset-act-track {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.2rem 0;
    font-size: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.autoset-act-track:last-child {
    border-bottom: none;
}

.autoset-track-num {
    color: var(--text-muted);
    min-width: 1.5rem;
    text-align: right;
}

.autoset-track-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.autoset-track-meta {
    color: var(--text-muted);
    font-size: 0.7rem;
    white-space: nowrap;
}

/* ── Actions ──────────────────────────────────────────────── */

.autoset-actions {
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

/* ═══ Chat Tab ═══════════════════════════════════════════════════════════ */

#tab-chat {
    display: flex;
    position: relative;
}

.chat-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 46px);
    max-width: 800px;
    margin: 0 auto;
    flex: 1;
    min-width: 0;
}

/* Center welcome + input together before first message */
.chat-layout.chat-centered {
    justify-content: center;
}
.chat-layout.chat-centered .chat-messages {
    flex: 0 0 auto;
    overflow-y: visible;
}
.chat-layout.chat-centered .chat-input-area {
    border-top: none;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ── Welcome Screen ────────────────────────────────────────── */

.chat-welcome {
    text-align: center;
    padding: 1rem 1rem 0.5rem;
    color: var(--text-muted);
}

.chat-welcome h3 {
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.chat-welcome p {
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.chat-suggestion {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.4rem 0.75rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
}

.chat-suggestion:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* ── Message Bubbles ───────────────────────────────────────── */

.chat-msg {
    display: flex;
}

.chat-msg-user {
    justify-content: flex-end;
}

.chat-msg-user .chat-bubble {
    background: var(--surface-alt);
    border-radius: var(--radius) var(--radius) 2px var(--radius);
    max-width: 75%;
}

.chat-msg-assistant .chat-bubble {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) var(--radius) 2px;
    max-width: 85%;
}

.chat-msg-system .chat-bubble {
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-style: italic;
}

.chat-bubble {
    padding: 0.6rem 0.85rem;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ── Streaming Cursor ──────────────────────────────────────── */

.chat-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent);
    margin-left: 1px;
    animation: chat-blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes chat-blink {
    50% { opacity: 0; }
}

/* ── Tool Call Indicators ──────────────────────────────────── */

.chat-tool-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.5rem;
    margin: 0.4rem 0;
    background: var(--bg);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: pre-wrap;
}

.chat-tool-indicator.chat-tool-done .chat-tool-status {
    color: var(--success);
}

.chat-tool-icon {
    font-size: 0.85rem;
}

/* ── Track List in Chat ────────────────────────────────────── */

.chat-track-list {
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
}

.chat-track-row {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.15rem 0;
    font-size: 0.78rem;
}

.chat-track-num {
    color: var(--text-muted);
    min-width: 1.5em;
    text-align: right;
}

.chat-track-info { flex: 1; }

.chat-track-meta {
    color: var(--text-muted);
    font-size: 0.72rem;
    white-space: nowrap;
}

.chat-track-more {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-style: italic;
    padding: 0.2rem 0;
}

/* ── Input Area ────────────────────────────────────────────── */

.chat-input-area {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.chat-input {
    flex: 1;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    line-height: 1.4;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent);
}

.chat-send-btn {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    cursor: pointer;
    align-self: flex-end;
    white-space: nowrap;
}

.chat-send-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.chat-send-btn:not(:disabled):hover {
    background: var(--accent-hover);
}

.chat-stop-btn {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    color: var(--text);
}

.chat-stop-btn:hover {
    border-color: var(--accent);
}

/* ═══ Chat Playlist Drawer ═══════════════════════════════════════════════ */

.chat-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: var(--surface);
    border-left: 1px solid var(--border);
    z-index: 200;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}
.chat-drawer.open {
    right: 0;
}
.chat-drawer-inner {
    padding: 1.25rem;
}
.chat-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.chat-drawer-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    flex: 1;
}
.chat-drawer-header h3 {
    margin: 0;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-drawer-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0 0 0.5rem;
    line-height: 1.4;
    max-height: 3.6em;
    overflow: hidden;
}
.chat-drawer-count {
    font-size: 0.7rem;
    color: var(--success);
    display: block;
    margin-bottom: 0.75rem;
}
.chat-drawer-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.chat-drawer-track-list {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}
.chat-drawer-track-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.chat-drawer-track-art {
    width: 36px;
    height: 36px;
    border-radius: 3px;
    object-fit: cover;
    flex-shrink: 0;
    background: rgba(255,255,255,0.04);
}
.chat-drawer-track-info {
    flex: 1;
    min-width: 0;
}
.chat-drawer-track-title {
    display: block;
    font-size: 0.75rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.chat-drawer-track-artist {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
}
.chat-drawer-track-meta {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
    flex-shrink: 0;
}
.chat-drawer-track-row .btn-preview {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 0.6rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chat-drawer-track-row .btn-preview:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Layout shift when chat drawer is open */
#tab-chat.chat-drawer-open .chat-layout {
    margin-right: 390px;
    margin-left: 0;
    transition: margin 0.3s ease;
}

/* ── Dancing Robot Panel ──────────────────────────────────── */

/* ── Dance Tab ─────────────────────────────────────────────── */

/* Performance view: fills the tab, centers the 3 robots */
.dance-performance {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 46px - 130px);  /* nav bar + base drawer */
    overflow: hidden;
    position: relative;
}

.dance-robot-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
}

.dance-robot-panel.dance-fade-in {
    animation: danceFadeIn 5s ease-out forwards;
}

@keyframes danceFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* After boot animation, use CSS transition for play/stop fades */
.dance-robot-panel.dance-live {
    transition: opacity 2s ease;
}

/* Per-instance scale is set inline by robot.js factory */

.dance-play-area {
    display: flex;
    justify-content: center;
}

.dance-play-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--fg);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.dance-play-btn:hover:not(:disabled) {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.dance-play-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.dance-play-btn.dance-playing {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.dance-play-icon {
    font-size: 1rem;
}

.dance-controls-sidebar {
    display: none;
}

/* ── Dance: Settings View (full-page) ──────────────────── */
.dance-settings-view {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 46px - 130px);
    overflow: hidden;
}

.dance-settings-view-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.dance-settings-view-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.dance-back-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    flex-shrink: 0;
}
.dance-back-btn:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

/* Body: controls left + preview right */
.dance-settings-view-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Left: scrollable controls column */
.dance-settings-controls {
    flex: 0 0 340px;
    border-right: 1px solid var(--border);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Right: preview area, centered */
.dance-settings-preview {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.dance-preview-panel {
    position: relative;
    overflow: visible;
}

/* ── Dance: Settings Toggle Button ──────────────────────── */
.dance-settings-btn {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    z-index: 10;
}

.dance-settings-btn:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--text-muted);
}

/* .dance-settings-btn.active removed — gear now navigates to settings view */

/* ── Robot Panel (legacy) ─────────────────────────────────── */

.robot-panel {
    width: 340px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: calc(100vh - 46px);
    border-left: 1px solid var(--border);
    background: linear-gradient(180deg, transparent 0%, rgba(233,69,96,0.03) 50%, transparent 100%);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.5rem 0;
}

.robot-stage {
    position: relative;
    flex-shrink: 0;
}

.robot-part {
    transition: box-shadow 0.3s ease;
}

.robot-part img {
    background: rgba(255,255,255,0.05);
}

/* ── Robot Controls ── */
.robot-controls {
    width: 100%;
    padding: 0.5rem 1rem 1rem;
    border-top: 1px solid var(--border);
    margin-top: 0.25rem;
}

.robot-ctrl-group {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin: 0.5rem 0 0.25rem;
    padding-top: 0.4rem;
    border-top: 1px solid var(--border);
}

.robot-ctrl-group:first-child {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

.robot-ctrl-row {
    display: grid;
    grid-template-columns: 100px 1fr 34px 20px;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.3rem;
}

.robot-ctrl-row.has-auto {
    grid-template-columns: 100px 1fr 34px 20px 20px;
}

.robot-ctrl-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.robot-ctrl-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.robot-ctrl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.robot-ctrl-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.robot-ctrl-val {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.robot-ctrl-dice {
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity 0.15s, background 0.15s;
}

.robot-ctrl-dice:hover {
    opacity: 1;
    background: var(--border);
}

.robot-ctrl-auto {
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.6rem;
    cursor: pointer;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
    transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.robot-ctrl-auto:hover {
    opacity: 1;
    background: var(--border);
}

.robot-ctrl-auto.active {
    opacity: 1;
    color: var(--accent);
    background: rgba(233, 69, 96, 0.15);
}

.robot-ctrl-btn-row {
    flex-wrap: wrap;
    display: flex;
    gap: 0.5rem;
    margin-top: 0.6rem;
}

.robot-ctrl-btn-row .btn {
    flex: 1 1 auto;
    font-size: 0.65rem;
    padding: 0.2rem 0.35rem;
    min-width: 0;
    white-space: nowrap;
}

.robot-ctrl-btn-row .btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ── Robot Settings Tab Bar ──────────────────────────────── */

.robot-tab-bar {
    display: flex;
    gap: 0;
    padding: 0.5rem 1rem 0;
    border-bottom: 1px solid var(--border);
}

.robot-tab {
    flex: 1;
    padding: 0.35rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

.robot-tab:hover {
    color: var(--text);
}

.robot-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ── Stances Panel ───────────────────────────────────────── */

.robot-stances {
    width: 100%;
    padding: 0.5rem 1rem 1rem;
}

/* ── Primitives Panel ────────────────────────────────────── */

.robot-primitives {
    width: 100%;
    padding: 0.5rem 1rem 1rem;
}

/* ── Pose Cards ──────────────────────────────────────────── */

.stance-cards {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    scrollbar-width: thin;
}

.stance-card {
    flex-shrink: 0;
    width: 64px;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    overflow: hidden;
}

.stance-card:hover {
    border-color: var(--text-muted);
    background: rgba(255,255,255,0.03);
}

.stance-card.selected {
    border-color: var(--accent);
    background: rgba(233,69,96,0.08);
    box-shadow: 0 0 6px rgba(233,69,96,0.2);
}

.stance-card-preview {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.stance-stick-svg {
    width: 48px;
    height: 68px;
}

.stance-card-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    text-align: center;
    padding: 0.15rem 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-top: 1px solid var(--border);
}

.stance-card.selected .stance-card-label {
    color: var(--accent);
}

.stance-card-rename {
    width: 100%;
    font-size: 0.55rem;
    background: var(--surface);
    border: 1px solid var(--accent);
    color: var(--text);
    text-align: center;
    padding: 0.15rem 0.2rem;
    outline: none;
    border-radius: 0;
}

.stance-card-add {
    border-style: dashed;
    opacity: 0.5;
    transition: opacity 0.15s, border-color 0.15s;
}

.stance-card-add:hover {
    opacity: 0.8;
    border-color: var(--accent);
}

.stance-add-icon {
    font-size: 1.4rem;
    color: var(--text-muted);
    line-height: 1;
}

/* ── Stance Editor (joint angle sliders) ─────────────────── */

.stance-editor {
    margin-bottom: 0.5rem;
}

.stance-editor-empty {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    padding: 1rem 0;
}

.stance-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.stance-action-row .btn {
    flex: 1 1 auto;
    font-size: 0.6rem;
    padding: 0.2rem 0.3rem;
    min-width: 0;
    white-space: nowrap;
}

.btn-danger-subtle:not(:disabled) {
    color: #ff6b6b;
    border-color: rgba(255,107,107,0.3);
}

.btn-danger-subtle:not(:disabled):hover {
    background: rgba(255,107,107,0.1);
    border-color: #ff6b6b;
}

/* ── Sequence Editor ─────────────────────────────────────── */

.stance-sequence {
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
    padding-top: 0.25rem;
}

.stance-seq-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.stance-seq-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    background: rgba(233,69,96,0.12);
    color: var(--accent);
    font-size: 0.65rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.12s;
}

.stance-seq-chip:hover {
    background: rgba(233,69,96,0.25);
}

.stance-seq-chip-x {
    font-size: 0.7rem;
    opacity: 0;
    cursor: pointer;
    transition: opacity 0.12s;
    margin-left: 0.1rem;
}

.stance-seq-chip:hover .stance-seq-chip-x {
    opacity: 0.7;
}

.stance-seq-chip-x:hover {
    opacity: 1 !important;
    color: #ff6b6b;
}

.stance-seq-add-row {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.stance-seq-select {
    flex: 1;
    font-size: 0.65rem;
    padding: 0.2rem 0.3rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
    outline: none;
}

.stance-seq-select:focus {
    border-color: var(--accent);
}

.stance-seq-add-row .btn {
    font-size: 0.6rem;
    padding: 0.2rem 0.35rem;
    white-space: nowrap;
}

/* Hide robot on narrow screens and when drawer is open */
@media (max-width: 1200px) {
    .robot-panel { display: none; }
}

#tab-chat.chat-drawer-open .robot-panel {
    display: none;
}

/* ── Source Badges ─────────────────────────────────────────── */

.source-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    line-height: 1;
    white-space: nowrap;
}
.source-badge-chat       { background: #e9456020; color: #e94560; border: 1px solid #e9456040; }
.source-badge-llm        { background: #9f98e820; color: #9f98e8; border: 1px solid #9f98e840; }
.source-badge-import     { background: #4ecca320; color: #4ecca3; border: 1px solid #4ecca340; }
.source-badge-tree       { background: #f5c89520; color: #f5c895; border: 1px solid #f5c89540; }
.source-badge-manual     { background: #99999920; color: #999;    border: 1px solid #99999940; }