:root {
    --bg-primary:    #1e1e1e;
    --bg-secondary:  #252525;
    --bg-tertiary:   #2d2d2d;
    --border:        #3a3a3a;
    --text-primary:  #cccccc;
    --text-secondary:#888888;
    --accent:        #a10000;
    --accent-hover:  #ff8c5a;
    --accent-dim:    #cc5500;
    --danger:        #ff4444;
    --success:       #44cc44;
    --info:          #4488ff;
    --track-list-height: 0px;
    color-scheme: dark;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: hidden;
    height: 100vh;
    height: 100dvh;
    width: 100vw;
    user-select: none;
    -webkit-user-select: none;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
}

/* ==================== Toolbar ==================== */
#toolbar {
    height: 48px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 6px;
    z-index: 100;
    overflow: visible;
    flex-wrap: nowrap;
}

.toolbar-group {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 4px;
}

.toolbar-separator {
    width: 1px;
    height: 28px;
    background: var(--border);
    margin: 0 6px;
}

.toolbar-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-right: 4px;
    white-space: nowrap;
}
.oomph-display {
    color: #e8b830;
    font-weight: 600;
}
.oomph-icon {
    width: 14px;
    height: 14px;
    vertical-align: -2px;
    display: inline-block;
    filter: drop-shadow(0 0 2px rgba(106,252,255,0.4));
}

#toolbar button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
    transition: background 0.1s;
}

#toolbar button:hover {
    background: #3a3a3a;
}

#toolbar button.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

#toolbar button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Loop button */
.btn-loop {
    background: #333 !important;
    border-color: #444 !important;
    color: #999 !important;
}
.btn-loop:hover {
    background: #444 !important;
}
.btn-loop.active {
    background: #1a4a2a !important;
    border-color: #2a6a3a !important;
    color: #44dd66 !important;
}

/* Record button */
.btn-record {
    background: #552222 !important;
    border-color: #663333 !important;
    color: #ff4444 !important;
}
.btn-record:hover {
    background: #663333 !important;
}
.btn-record.recording {
    background: #cc2222 !important;
    border-color: #cc2222 !important;
    color: #fff !important;
    animation: pulse-record 1s ease-in-out infinite;
}
@keyframes pulse-record {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Mic record button */
.btn-record-audio {
    background: #223355 !important;
    border-color: #334466 !important;
    color: #66aaff !important;
}
.btn-record-audio:hover {
    background: #334466 !important;
}
.btn-record-audio.recording {
    background: #cc2222 !important;
    border-color: #cc2222 !important;
    color: #fff !important;
    animation: pulse-record 1s ease-in-out infinite;
}

/* Audio source buttons (in add-instrument dialog) */
.audio-source-buttons {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}
.btn-audio-source {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.15s, border-color 0.15s;
}
.btn-audio-source:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* Metronome toggle */
.toolbar-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 0 6px;
    font-size: 11px;
    color: var(--text-secondary);
    user-select: none;
}
.toolbar-toggle input[type="checkbox"] {
    width: 14px;
    height: 14px;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}
.toggle-label {
    white-space: nowrap;
}

#toolbar input[type="number"] {
    width: 55px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 4px 6px;
    border-radius: 3px;
    font-size: 12px;
    text-align: center;
}

#toolbar input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

#toolbar select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 4px 22px 4px 6px;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

#toolbar select:focus {
    outline: none;
    border-color: var(--accent);
}

#toolbar input[type="range"] {
    width: 80px;
    accent-color: var(--accent);
}

#instrument-select {
    max-width: 130px;
}

.toolbar-spacer {
    flex: 1;
}
.toolbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    padding: 5px 8px;
    border-radius: 3px;
    transition: color 0.15s;
}
.toolbar-link:hover {
    color: var(--accent);
}

/* ==================== File Dropdown ==================== */
.toolbar-dropdown-group {
    position: relative;
}
.toolbar-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 4px;
    min-width: 160px;
    z-index: 1000;
    padding: 4px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.toolbar-dropdown.open {
    display: block;
}
.toolbar-dropdown button {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text);
    padding: 6px 14px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}
.toolbar-dropdown button:hover {
    background: var(--accent);
    color: #fff;
}
.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* ==================== Piano Roll Container ==================== */
#piano-roll-container {
    display: flex;
    flex-wrap: wrap;
    height: calc(100vh - 48px - 52px - var(--track-list-height) - 64px);
    position: relative;
}

/* Corner spacer (top-left where sidebar header meets bar header) */
#corner-spacer {
    width: 120px;
    height: 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
}

#piano-header {
    flex-shrink: 0;
    background: var(--bg-secondary);
}

#piano-sidebar {
    cursor: pointer;
    flex-shrink: 0;
}

#piano-roll {
    flex: 1;
    cursor: crosshair; /* overridden by JS with custom tool cursors */
}

/* ==================== Dialog Overlay ==================== */
#dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

#dialog-overlay.hidden {
    display: none;
}

.dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    min-width: 360px;
    max-width: 500px;
    display: none;
}

.dialog h2 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.dialog .form-group {
    margin-bottom: 12px;
}

.dialog label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.dialog select {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    padding: 8px 28px 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.dialog select:focus {
    outline: none;
    border-color: var(--accent);
}

.dialog input[type="text"],
.dialog input[type="email"],
.dialog input[type="password"] {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
}

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

.dialog .btn-primary {
    width: 100%;
    padding: 10px;
    background: var(--accent);
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.1s;
}

.dialog .btn-primary:hover {
    background: var(--accent-hover);
}

.dialog .dialog-footer {
    margin-top: 12px;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.dialog .dialog-footer a {
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
}

/* Sample upload */
.dialog input[type="file"] {
    font-size: 12px;
    color: var(--text);
    padding: 6px 0;
}
.sample-preview {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}
.sample-preview.loaded {
    color: #35ff6b;
}

/* ==================== Project List ==================== */
.project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 8px;
    background: var(--bg-primary);
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.project-name {
    font-size: 14px;
    color: var(--text-primary);
}

.project-meta {
    font-size: 11px;
    color: var(--text-secondary);
}

.project-actions {
    display: flex;
    gap: 6px;
}

.btn-small {
    padding: 4px 10px;
    font-size: 11px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 3px;
    cursor: pointer;
}

.btn-small:hover {
    background: #3a3a3a;
}

.btn-danger {
    color: var(--danger) !important;
    border-color: var(--danger) !important;
}

.btn-danger:hover {
    background: rgba(255, 68, 68, 0.15) !important;
}

.loading-text {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
    font-size: 13px;
}

/* ==================== Track List ==================== */
#track-list-container {
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

#track-list-container.collapsed #track-list-rows,
#track-list-container.collapsed #track-list-resize-handle {
    display: none;
}

#track-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 24px;
    padding: 0 8px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.track-list-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.track-list-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.track-list-controls select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 10px;
    padding: 2px 20px 2px 6px;
    border-radius: 3px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 5px center;
}
.track-list-controls select:focus {
    outline: none;
    border-color: var(--accent);
}

.track-list-controls button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 3px;
    cursor: pointer;
}

.track-list-controls button:hover {
    background: #3a3a3a;
    color: var(--text-primary);
}

#track-list-rows {
    overflow-y: auto;
    max-height: 200px;
}

.track-row {
    display: flex;
    align-items: center;
    height: 32px;
    padding: 0 8px;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.1s;
}

.track-row:hover {
    background: var(--bg-tertiary);
}

.track-row.active {
    background: rgba(255, 107, 53, 0.1);
    border-left: 3px solid var(--accent);
    padding-left: 5px;
}

.track-color-bar {
    width: 4px;
    height: 20px;
    border-radius: 2px;
    flex-shrink: 0;
}

.track-name {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 500;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.track-type {
    font-size: 10px;
    color: var(--text-secondary);
    flex-shrink: 0;
    width: 50px;
}

.track-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 9px;
    font-weight: 700;
    width: 22px;
    height: 18px;
    border-radius: 3px;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.track-btn:hover {
    background: #3a3a3a;
}

.track-btn-mute.active {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.track-btn-solo.active {
    background: var(--info);
    color: #fff;
    border-color: var(--info);
}

#track-list-resize-handle {
    height: 4px;
    background: var(--border);
    cursor: ns-resize;
    flex-shrink: 0;
}

#track-list-resize-handle:hover {
    background: var(--accent);
}

/* ==================== Effects Panel ==================== */
#effects-panel {
    position: fixed;
    right: -300px;
    top: 48px;
    width: 280px;
    height: calc(100vh - 48px);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    padding: 16px;
    z-index: 500;
    transition: right 0.2s ease;
    overflow-y: auto;
}

#effects-panel.open {
    right: 0;
}

#effects-panel h3 {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.effect-section {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.effect-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.effect-header label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.effect-control {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.effect-control label {
    font-size: 11px;
    color: var(--text-secondary);
}

.effect-control input[type="range"] {
    width: 140px;
    accent-color: var(--accent);
}

.effect-control .value-display {
    font-size: 11px;
    color: var(--text-primary);
    width: 48px;
    text-align: right;
}

.fx-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 22px 2px 6px;
    font-size: 11px;
    width: 140px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

/* Toggle switch */
.toggle {
    position: relative;
    width: 36px;
    height: 20px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle .slider {
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: background 0.2s;
}

.toggle .slider::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    left: 2px;
    top: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

.toggle input:checked + .slider {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle input:checked + .slider::before {
    background: #fff;
    transform: translateX(16px);
}

/* ==================== Loading Overlay ==================== */
#loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

#loading-overlay.hidden {
    display: none;
}

#loading-overlay h1 {
    font-size: 36px;
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 20px;
    letter-spacing: 4px;
}

#loading-text {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar .progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.2s;
}

/* ==================== Toast ==================== */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 10px 16px;
    border-radius: 4px;
    font-size: 13px;
    color: #fff;
    animation: toast-in 0.3s ease;
    max-width: 300px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

.toast-fade {
    opacity: 0;
    transition: opacity 0.3s;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Floating Panels ==================== */
.floating-panel {
    display: none;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    overflow: hidden;
    position: fixed;
}

.panel-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 32px;
    background: var(--bg-tertiary);
    padding: 0 10px;
    cursor: move;
    flex-shrink: 0;
    user-select: none;
    -webkit-user-select: none;
    border-bottom: 1px solid var(--border);
}

.panel-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
}

.panel-close-btn:hover {
    background: var(--danger);
    color: #fff;
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
}

.panel-resize-grip {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 14px;
    height: 14px;
    cursor: nwse-resize;
    background: linear-gradient(135deg, transparent 50%, var(--text-secondary) 50%);
    opacity: 0.3;
}

.panel-resize-grip:hover {
    opacity: 0.6;
}

/* ==================== Mixer Panel ==================== */
#mixer-content {
    display: flex;
    gap: 2px;
    align-items: stretch;
    min-height: 100%;
}

.mixer-channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 64px;
    min-width: 64px;
    padding: 6px 4px;
    background: var(--bg-primary);
    border-radius: 4px;
    gap: 4px;
}

.mixer-color-bar {
    width: 100%;
    height: 4px;
    border-radius: 2px;
}

.mixer-channel-label {
    font-size: 10px;
    color: var(--text-primary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    font-weight: 600;
}

.mixer-channel-type {
    font-size: 9px;
    color: var(--text-secondary);
}

.mixer-volume-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.mixer-volume {
    writing-mode: vertical-lr;
    direction: rtl;
    width: 24px;
    height: 80px;
    accent-color: var(--accent);
}

.mixer-volume-val {
    font-size: 9px;
    color: var(--text-secondary);
}

.mixer-buttons {
    display: flex;
    gap: 2px;
}

.mixer-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 9px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 3px;
    cursor: pointer;
}

.mixer-btn:hover {
    background: #3a3a3a;
}

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

.mixer-mute.active {
    background: var(--danger);
    border-color: var(--danger);
}

.mixer-solo.active {
    background: var(--info);
    border-color: var(--info);
}

.mixer-sc.active {
    background: #9b59b6;
    border-color: #9b59b6;
}

.mixer-select.active {
    background: var(--accent);
    border-color: var(--accent);
}

.mixer-delete {
    color: var(--text-secondary);
}

.mixer-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.mixer-fx.active {
    background: #8b5cf6;
    border-color: #8b5cf6;
}

/* Per-instrument FX panel */
.mixer-fx-panel {
    grid-column: 1 / -1;
    background: #1a1a1a;
    border-top: 1px solid #333;
    padding: 8px;
    margin-top: 4px;
}
.fx-panel-inner {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.fx-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 11px;
    color: #999;
}
.fx-toggle {
    display: flex;
    align-items: center;
    gap: 3px;
    min-width: 65px;
    font-weight: 600;
    color: #bbb;
    cursor: pointer;
}
.fx-toggle input[type="checkbox"] {
    accent-color: var(--accent);
}
.fx-select {
    background: #252525;
    border: 1px solid #444;
    color: #ccc;
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 3px;
}
.fx-slider-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: #777;
}
.fx-slider-label span {
    min-width: 30px;
    text-align: right;
    color: #aaa;
    font-size: 10px;
}
.fx-slider {
    width: 60px;
    height: 4px;
    accent-color: var(--accent);
}

.mixer-add-channel {
    justify-content: center;
    border: 1px dashed var(--border);
    background: transparent;
}

.mixer-add-btn {
    background: none;
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
}

.mixer-add-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.mixer-master {
    border-left: 2px solid var(--accent);
}

/* ==================== Instrument Browser Panel ==================== */
.inst-section-header {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 8px 0 4px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.inst-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 2px;
}

.inst-item:hover {
    background: var(--bg-tertiary);
}

.inst-item.active {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent);
}

.inst-color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.inst-item-name {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 500;
}

.inst-item-type {
    font-size: 10px;
    color: var(--text-secondary);
    margin-left: auto;
}

.inst-add-item {
    cursor: default;
}

.inst-add-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    flex-shrink: 0;
}

.inst-add-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.inst-item-desc {
    font-size: 10px;
    color: var(--text-secondary);
}

.inst-add-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 14px;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.inst-add-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ==================== AI Chat Panel ==================== */
#ai-chat-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0 !important;
}

.ai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.ai-msg {
    margin-bottom: 8px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.4;
    max-width: 90%;
}

.ai-msg-user {
    background: var(--accent);
    color: #fff;
    margin-left: auto;
    border-bottom-right-radius: 2px;
}

.ai-msg-assistant {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
}

.ai-msg-error {
    background: rgba(255,68,68,0.15);
    color: var(--danger);
}

.ai-actions {
    display: flex;
    gap: 6px;
    padding: 6px 10px;
    border-top: 1px solid var(--border);
}

.ai-action-btn {
    flex: 1;
    padding: 6px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.ai-apply {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.ai-apply:hover {
    background: var(--accent-hover);
}

.ai-preview {
    background: var(--info);
    color: #fff;
    border-color: var(--info);
}

.ai-discard:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.ai-suggestions {
    padding: 12px;
}
.ai-suggestions-title {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-align: center;
}
.ai-suggestion {
    display: inline-block;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 14px;
    font-size: 12px;
    cursor: pointer;
    margin: 0 4px 6px 0;
    transition: background 0.15s, border-color 0.15s;
}
.ai-suggestion:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.ai-model-badge {
    font-size: 9px;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    margin-left: auto;
    margin-right: 8px;
    white-space: nowrap;
}
.ai-model-badge.anthropic { background: #d4a574; color: #1a1a1a; }
.ai-model-badge.openai { background: #10a37f; color: #fff; }
.ai-model-badge.google { background: #4285f4; color: #fff; }
.ai-model-badge.xai { background: #1d9bf0; color: #fff; }
/* Custom AI model dropdown */
.ai-model-dropdown {
    flex: 1;
    min-width: 0;
    position: relative;
}
.ai-model-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
}
.ai-model-toggle:hover {
    border-color: var(--text-secondary);
}
#ai-model-label {
    overflow: hidden;
    text-overflow: ellipsis;
}
.ai-model-arrow {
    font-size: 9px;
    color: var(--text-secondary);
    flex-shrink: 0;
}
.ai-model-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.4);
    max-height: 280px;
    overflow-y: auto;
    z-index: 100;
    padding: 4px 0;
}
.ai-model-menu.open {
    display: block;
}
.ai-model-group-header {
    padding: 6px 10px 3px;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}
.ai-model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}
.ai-model-item:hover {
    background: var(--bg-tertiary);
}
.ai-model-item.selected {
    background: var(--accent);
    color: #fff;
}
.ai-model-item.selected:hover {
    background: var(--accent-hover);
}
.ai-model-item-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ai-model-cost-badge {
    flex-shrink: 0;
    font-size: 9px;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
    margin-left: 6px;
    background: rgba(255,200,50,0.15);
    color: #e8b830;
}

.ai-target-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
    font-size: 11px;
}
.ai-target-label {
    color: var(--text-secondary);
    white-space: nowrap;
}
.ai-target-select {
    flex: 0 1 auto;
    max-width: 140px;
    appearance: none;
    -webkit-appearance: none;
    padding: 2px 20px 2px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 11px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 5px center;
}
.ai-target-hint {
    color: var(--text-secondary);
    font-size: 10px;
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-chat-bottom {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}
.ai-chat-bottom-row {
    display: flex;
    gap: 6px;
    padding: 6px 10px 0;
}
.ai-chat-form {
    display: flex;
    gap: 4px;
    padding: 6px 10px 8px;
}

.ai-context-select {
    flex: 0 0 auto;
    appearance: none;
    -webkit-appearance: none;
    padding: 4px 22px 4px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}
.ai-context-select:focus {
    outline: none;
    border-color: var(--accent);
}

#ai-chat-input {
    flex: 1;
    padding: 6px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
}

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

.ai-send-btn {
    padding: 6px 12px;
    background: var(--accent);
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.ai-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== Custom AI Effects ==================== */
.custom-fx-empty {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
    padding: 8px;
}

.custom-fx-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.custom-fx-name {
    flex: 1;
    font-size: 12px;
    color: var(--text-primary);
}

.custom-fx-delete {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
}

.custom-fx-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.ai-fx-form {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

#ai-fx-input {
    flex: 1;
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
}

#ai-fx-input:focus {
    outline: none;
    border-color: var(--accent);
}

.ai-fx-btn {
    padding: 4px 8px;
    background: var(--accent);
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 11px;
    cursor: pointer;
}

.ai-fx-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== Visualizer Panel ==================== */
.visualizer-content {
    padding: 0 !important;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
}

#visualizer-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ==================== Scrollbar Styling ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ==================== Conversion Popup ==================== */
.conversion-popup {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 300px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    z-index: 2500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    animation: conversion-slide-in 0.4s ease;
}
.conversion-popup.hidden {
    display: none;
}
@keyframes conversion-slide-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.conversion-popup-close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 4px;
}
.conversion-popup-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}
.conversion-popup-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.conversion-popup-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.conversion-popup-benefits {
    list-style: none;
    margin: 0 0 16px 0;
    padding: 0;
}
.conversion-popup-benefits li {
    font-size: 12px;
    color: var(--text-primary);
    padding: 3px 0;
    padding-left: 18px;
    position: relative;
}
.conversion-popup-benefits li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}
.conversion-popup-actions {
    display: flex;
    gap: 8px;
}
.conversion-popup-btn {
    flex: 1;
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.15s;
}
.conversion-popup-btn.primary {
    background: var(--accent);
    color: #fff;
}
.conversion-popup-btn.primary:hover {
    background: var(--accent-hover);
}
.conversion-popup-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.conversion-popup-btn.secondary:hover {
    background: #3a3a3a;
}

/* ==================== Pricing Dialog ==================== */
.pricing-dialog {
    max-width: 820px !important;
    min-width: 320px !important;
    width: 90vw;
}
.pricing-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
@media (max-width: 700px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}
.pricing-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    position: relative;
}
.pricing-card-featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}
.pricing-card-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 12px;
    border-radius: 10px;
}
.pricing-card-header {
    text-align: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.pricing-card-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.pricing-card-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}
.pricing-amount {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}
.pricing-period {
    font-size: 13px;
    color: var(--text-secondary);
}
.pricing-features {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
    margin-bottom: 16px;
}
.pricing-features li {
    font-size: 12px;
    color: var(--text-primary);
    padding: 5px 0;
    padding-left: 18px;
    position: relative;
    border-bottom: 1px solid rgba(58, 58, 58, 0.4);
}
.pricing-features li:last-child {
    border-bottom: none;
}
.pricing-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
    font-size: 11px;
}
.pricing-card-footer {
    margin-top: auto;
}
.pricing-btn {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.15s;
}
.pricing-btn-primary {
    background: var(--accent);
    color: #fff;
}
.pricing-btn-primary:hover {
    background: var(--accent-hover);
}
.pricing-btn-current {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: default;
}
.pricing-btn-disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: default;
    opacity: 0.6;
}
.pricing-manage {
    text-align: center;
    margin-top: 16px;
}
.pricing-manage-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.pricing-manage-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}

/* Model tags in pricing cards */
.pricing-model-tag {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    vertical-align: middle;
    margin-left: 2px;
}
.pricing-model-tag.hobby { background: #4a9eff; color: #fff; }
.pricing-model-tag.pro { background: #ff6b35; color: #fff; }

.pricing-alpha-notice {
    text-align: center;
    margin-top: 18px;
    padding: 8px 16px;
    font-size: 12px;
    color: #e0a030;
    background: rgba(224, 160, 48, 0.08);
    border: 1px solid rgba(224, 160, 48, 0.2);
    border-radius: 6px;
}

/* Footer links in pricing */
.pricing-footer-links {
    text-align: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.pricing-legal-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.pricing-legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
}
.pricing-legal-links a:hover {
    color: var(--accent);
}

/* ==================== Command Bar ==================== */
#command-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1a1a1a;
    border-top: 1px solid #333;
    z-index: 550;
    padding: 8px 16px;
}
#command-form {
    display: flex;
    align-items: center;
    gap: 8px;
}
#command-icon {
    color: #555;
    font-size: 16px;
    flex-shrink: 0;
}
#command-input {
    flex: 1;
    background: #252525;
    border: 1px solid #3a3a3a;
    color: #ccc;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
#command-input:focus {
    border-color: var(--accent);
}
#command-input::placeholder {
    color: #555;
}
#command-send {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    flex-shrink: 0;
    transition: background 0.15s;
}
#command-send:hover {
    background: var(--accent-hover);
}
#command-send:disabled {
    opacity: 0.5;
    cursor: default;
}
#command-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 28px 0;
    color: #999;
    font-size: 13px;
}
#command-result-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#command-result-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.cmd-btn {
    background: #333;
    color: #ccc;
    border: 1px solid #444;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.15s;
}
.cmd-btn:hover {
    background: #444;
}
.cmd-btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.cmd-btn-primary:hover {
    background: var(--accent-hover);
}

/* ==================== Arrangement View ==================== */
#arrangement-container {
    position: relative;
    height: 64px;
    background: #1a1a2e;
    border-bottom: 1px solid #333;
    display: flex;
    flex-direction: column;
}
#arrangement-container.collapsed {
    height: 20px;
    overflow: hidden;
}
#arrangement-container.collapsed #arrangement-canvas {
    display: none;
}
.arrangement-header {
    display: flex;
    align-items: center;
    padding: 0 4px;
    height: 18px;
    flex-shrink: 0;
}
.arrangement-toggle-btn {
    background: transparent;
    border: 1px solid #444;
    color: #999;
    font-size: 9px;
    padding: 1px 6px;
    border-radius: 3px;
    cursor: pointer;
}
.arrangement-toggle-btn:hover {
    color: #fff;
    border-color: #666;
}
#arrangement-canvas {
    flex: 1;
    width: 100%;
    cursor: pointer;
}

/* ==================== Mixer Pan ==================== */
.mixer-pan-container {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px;
}
.mixer-pan-label {
    font-size: 9px;
    color: #888;
}
.mixer-pan {
    width: 60px;
    height: 12px;
    accent-color: var(--accent);
}

/* ==================== Snap Toggle ==================== */
#btn-snap-toggle {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.15s;
}
#btn-snap-toggle:not(.active) {
    background: #444;
    border-color: #555;
    color: #888;
}

/* ==================== Keyboard Shortcuts Panel ==================== */
#shortcuts-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}
#shortcuts-panel.hidden {
    display: none;
}
.shortcuts-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
}
.shortcuts-content {
    position: relative;
    background: #1e1e2e;
    border: 1px solid #444;
    border-radius: 12px;
    max-width: 560px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px 12px;
    border-bottom: 1px solid #333;
}
.shortcuts-header h3 {
    margin: 0;
    color: #fff;
    font-size: 16px;
}
.shortcuts-close {
    background: none;
    border: none;
    color: #888;
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
}
.shortcuts-close:hover {
    color: #fff;
}
.shortcuts-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 12px 20px 20px;
}
.shortcuts-section {
    padding: 8px 0;
}
.shortcuts-section h4 {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.shortcut-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 0;
    font-size: 12px;
    color: #bbb;
}
.shortcut-row kbd {
    background: #333;
    border: 1px solid #555;
    border-radius: 4px;
    padding: 1px 6px;
    font-family: monospace;
    font-size: 11px;
    color: #fff;
    min-width: 20px;
    text-align: center;
}

/* ==================== Touch Support ==================== */
#piano-roll,
#piano-header,
#piano-sidebar {
    touch-action: none;
}

/* ==================== Hamburger Menu ==================== */
.hamburger-btn {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 20px;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
}
.hamburger-btn:hover {
    background: var(--bg-tertiary);
}

#mobile-menu {
    display: none;
}
#mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
#mobile-menu.open #mobile-menu-backdrop {
    opacity: 1;
    pointer-events: auto;
}
#mobile-menu-content {
    position: fixed;
    top: 48px;
    left: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
#mobile-menu.open #mobile-menu-content {
    transform: translateX(0);
}
/* ==================== Mobile Hamburger Menu ==================== */
#mobile-menu-content .toolbar-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
}
#mobile-menu-content .toolbar-group:last-child {
    border-bottom: none;
}
#mobile-menu-content .toolbar-label {
    display: inline;
    width: 100%;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}
#mobile-menu-content button {
    min-height: 40px !important;
    min-width: 40px !important;
    font-size: 13px !important;
    padding: 6px 12px !important;
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
    border-radius: 4px !important;
    cursor: pointer;
    white-space: nowrap;
}
#mobile-menu-content button:active {
    background: var(--accent) !important;
    color: #fff !important;
}
#mobile-menu-content button.active {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}
#mobile-menu-content .btn-loop {
    background: #333 !important;
    border-color: #444 !important;
    color: #999 !important;
}
#mobile-menu-content .btn-loop.active {
    background: #1a4a2a !important;
    border-color: #2a6a3a !important;
    color: #44dd66 !important;
}
#mobile-menu-content .btn-record-audio {
    background: #223355 !important;
    border-color: #334466 !important;
    color: #66aaff !important;
}
#mobile-menu-content select {
    min-height: 40px !important;
    flex: 1;
    min-width: 80px;
    font-size: 13px !important;
    padding: 6px 26px 6px 10px !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    background: var(--bg-primary) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
    border-radius: 4px !important;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 8px center !important;
}
#mobile-menu-content select:focus {
    outline: none;
    border-color: var(--accent) !important;
}
#mobile-menu-content input[type="range"] {
    flex: 1;
    min-width: 100px;
    height: 40px;
    accent-color: var(--accent);
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}
#mobile-menu-content input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}
#mobile-menu-content input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--text-primary);
    margin-top: -8px;
    cursor: pointer;
}
#mobile-menu-content input[type="range"]::-moz-range-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    border: none;
}
#mobile-menu-content input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--text-primary);
    cursor: pointer;
}
#mobile-menu-content .toolbar-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-primary);
}
#mobile-menu-content .toolbar-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}
#mobile-menu-content .toolbar-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    min-width: 40px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary) !important;
    text-decoration: none !important;
    font-size: 13px;
}
#mobile-menu-content .toolbar-link:active {
    background: var(--accent);
    color: #fff !important;
}
#mobile-menu-content .oomph-display {
    font-size: 13px;
    padding: 6px 0;
    color: #e8b830 !important;
}
/* File dropdown inside mobile menu: inline list instead of absolute popup */
#mobile-menu-content .toolbar-dropdown-group {
    position: static;
    width: 100%;
}
#mobile-menu-content .toolbar-dropdown {
    display: none;
    position: static !important;
    background: var(--bg-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 4px;
    box-shadow: none !important;
    width: 100%;
    margin-top: 4px;
    padding: 4px 0;
}
#mobile-menu-content .toolbar-dropdown.open {
    display: block;
}
#mobile-menu-content .toolbar-dropdown button {
    display: block;
    width: 100% !important;
    min-height: 38px !important;
    text-align: left;
    background: none !important;
    border: none !important;
    border-radius: 0 !important;
    color: var(--text-primary) !important;
    padding: 8px 14px !important;
    font-size: 13px !important;
}
#mobile-menu-content .toolbar-dropdown button:hover,
#mobile-menu-content .toolbar-dropdown button:active {
    background: var(--accent) !important;
    color: #fff !important;
}
#mobile-menu-content .dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 2px 0;
}
#mobile-menu-content .toolbar-spacer {
    display: none;
}
#mobile-menu-content .toolbar-separator {
    display: none;
}

/* ==================== Responsive Toolbar Steps ==================== */

/* Step 1: < 1200px — hide low-priority items, show hamburger */
@media (max-width: 1200px) {
    .hamburger-btn {
        display: block;
    }
    #mobile-menu {
        display: block;
    }
    .toolbar-priority-low {
        display: none !important;
    }
}

/* Step 2: < 960px — also hide mid-priority items */
@media (max-width: 960px) {
    .toolbar-priority-mid {
        display: none !important;
    }
}

/* Step 3: < 768px — hide all collapsible (only essential remains) */
@media (max-width: 768px) {
    #toolbar {
        gap: 4px;
        padding: 0 6px;
        overflow: hidden;
        flex-wrap: nowrap;
    }
    .toolbar-collapsible {
        display: none !important;
    }
    .toolbar-spacer {
        display: none;
    }
    .toolbar-essential .toolbar-label {
        display: none;
    }
    #toolbar .toolbar-essential button,
    #toolbar .toolbar-essential select,
    #toolbar .toolbar-essential input[type="number"] {
        min-height: 36px;
        min-width: 36px;
        font-size: 11px;
        padding: 4px 6px;
    }
    #instrument-select {
        max-width: 100px;
    }
    #bpm-input {
        width: 52px;
    }
    #piano-roll-container {
        height: calc(100vh - 48px - 52px - var(--track-list-height, 0px) - 36px);
    }
    #corner-spacer {
        width: 48px;
    }
    .shortcuts-body {
        grid-template-columns: 1fr;
    }
    #arrangement-container {
        height: 48px;
    }
    .mixer-channel {
        min-width: 70px;
    }
    /* Floating panels become bottom sheets */
    .floating-panel {
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100% !important;
        max-height: 70vh;
        border-radius: 12px 12px 0 0;
        z-index: 300;
    }
    .floating-panel .panel-title-bar {
        cursor: default;
    }
    .floating-panel .panel-resize-grip {
        display: none;
    }
    .panel-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 299;
    }
    /* Command bar safe area */
    #command-bar {
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    /* Dialogs full-width on mobile */
    .dialog {
        width: 95vw !important;
        max-width: 95vw !important;
        max-height: 85vh;
        overflow-y: auto;
    }
    /* Touch-friendly interactive elements */
    button, select, input[type="checkbox"] + .slider {
        min-height: 36px;
    }
    /* Track list compact on tablet */
    #track-list-container {
        max-height: 80px;
    }
    .floating-panel .panel-content {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        max-height: calc(70vh - 40px);
    }
    /* Bottom sheet drag handle indicator */
    .floating-panel .panel-title-bar::before {
        content: '';
        position: absolute;
        top: 4px;
        left: 50%;
        transform: translateX(-50%);
        width: 32px;
        height: 4px;
        background: var(--border);
        border-radius: 2px;
    }
    .floating-panel .panel-title-bar {
        position: relative;
        padding-top: 12px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    #piano-roll-container {
        height: calc(100dvh - 48px - 36px);
    }
    #track-list-container {
        display: none;
    }
    #arrangement-container {
        display: none;
    }
    /* Instrument select even narrower */
    #instrument-select {
        max-width: 70px;
    }
    #bpm-input {
        width: 44px;
    }
}

/* ==================== Collaborator Panel ==================== */
#collab-panel-content {
    padding: 8px;
    min-height: 80px;
}
.collab-empty {
    color: var(--text-secondary);
    font-size: 12px;
    text-align: center;
    padding: 24px 8px;
}
.collab-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 13px;
}
.collab-user:hover {
    background: var(--bg-tertiary);
}
.collab-user-self {
    background: rgba(68,204,68,0.08);
}
.collab-user-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.collab-user-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.collab-user-badge {
    font-size: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
}
.collab-kick-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 3px;
    opacity: 0;
    transition: opacity 0.15s;
}
.collab-user:hover .collab-kick-btn {
    opacity: 1;
}
.collab-kick-btn:hover {
    background: rgba(255,68,68,0.15);
}
.collab-actions {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.collab-action-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    text-align: center;
}
.collab-action-btn:hover {
    border-color: var(--accent);
}
.collab-disconnect-btn {
    color: var(--danger);
}
.collab-close-btn {
    color: var(--danger);
    border-color: var(--danger);
}

/* ==================== Share Dialog ==================== */
#share-dialog {
    max-width: 420px;
}
.share-dialog-body {
    padding: 8px 0;
}
.share-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.share-toggle-label {
    font-size: 14px;
}
.share-link-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.share-url-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-family: monospace;
}
.share-copy-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}
.share-copy-btn:hover {
    background: var(--accent-hover);
}
.share-social-row {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}
.share-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s;
}
.share-social-btn:hover {
    border-color: var(--accent);
}
.share-social-btn.twitter:hover { color: #1da1f2; }
.share-social-btn.facebook:hover { color: #4267b2; }
.share-social-btn.reddit:hover { color: #ff4500; }

.share-embed-section {
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
}
.share-embed-section h4 {
    font-size: 14px;
    margin-bottom: 4px;
}
.share-embed-hint {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
}
.share-embed-textarea {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    font-family: monospace;
    padding: 6px 8px;
    resize: none;
}
.share-collab-section {
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.share-collab-section h4 {
    font-size: 14px;
    margin-bottom: 4px;
}
.share-collab-hint {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 10px;
}
.share-collab-start {
    width: 100%;
}

/* ==================== Template Dialog ==================== */
.template-dialog {
    max-width: 560px;
}
.template-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}
.template-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.template-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.template-card:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}
.template-card-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}
.template-card-desc {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.template-card-bpm {
    font-size: 10px;
    color: var(--text-secondary);
    opacity: 0.7;
}
.template-card.blank {
    border-style: dashed;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
@media (max-width: 480px) {
    .template-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== Undo Timeline ==================== */
#undo-timeline-panel .panel-content {
    padding: 4px;
    overflow-y: auto;
}
.undo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.undo-item {
    padding: 6px 8px;
    font-size: 12px;
    cursor: pointer;
    border-radius: 3px;
    border-left: 3px solid transparent;
    color: var(--text-secondary);
}
.undo-item:hover {
    background: var(--bg-tertiary);
}
.undo-item.current {
    background: rgba(255,107,53,0.12);
    border-left-color: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
}
.undo-item.future {
    opacity: 0.4;
}
.undo-empty {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 20px 8px;
}

/* ==================== Drum Machine ==================== */
#drum-machine-container {
    display: none;
    position: absolute;
    inset: 0;
    background: #1a1a1a;
    z-index: 10;
}
#drum-machine-container.active {
    display: flex;
    flex-direction: column;
}
.drum-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: #252525;
    border-bottom: 1px solid #333;
    font-size: 12px;
    color: #ccc;
    height: 40px;
    flex-shrink: 0;
}
.drum-toolbar button {
    min-height: 28px;
    padding: 4px 10px;
    font-size: 11px;
}
.drum-toolbar select {
    min-height: 28px;
    font-size: 11px;
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 4px 24px 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}
.drum-toolbar select:focus {
    outline: none;
    border-color: var(--accent);
}
.drum-toolbar #drum-bar-label {
    min-width: 50px;
    text-align: center;
    font-weight: bold;
    color: #ff6b35;
}
.drum-hint {
    margin-left: auto;
    color: #666;
    font-size: 10px;
}
#drum-machine-canvas {
    flex: 1;
    width: 100%;
    cursor: pointer;
}
#btn-drum-machine.active {
    background: #ff6b35;
    color: #fff;
}

/* ==================== PWA Install Modal ==================== */
.pwa-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: pwa-fade-in 0.3s ease;
}
@keyframes pwa-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
.pwa-modal-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    max-width: 340px;
    width: 90%;
    position: relative;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    animation: pwa-slide-up 0.3s ease;
}
@keyframes pwa-slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.pwa-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: #888;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}
.pwa-modal-close:hover {
    color: #fff;
}
.pwa-modal h3 {
    margin: 0 0 12px 0;
    color: #fff;
    font-size: 18px;
}
.pwa-modal p {
    color: #999;
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 16px 0;
}
.pwa-step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    color: #ccc;
    font-size: 13px;
    line-height: 1.4;
}
.pwa-step:last-child {
    margin-bottom: 16px;
}
.pwa-step strong {
    color: var(--accent);
}
.pwa-step-num {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: rgba(161, 0, 0, 0.25);
    border: 1px solid rgba(161, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #ff6b35;
}
.pwa-dont-show {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 14px;
    color: #777;
    font-size: 12px;
    position: relative;
    padding-left: 30px;
}
.pwa-dont-show input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.pwa-checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #555;
    border-radius: 4px;
}
.pwa-dont-show input:checked + .pwa-checkmark {
    background: rgba(161, 0, 0, 0.3);
    border-color: var(--accent);
}
.pwa-dont-show input:checked + .pwa-checkmark::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 4px;
    right: 4px;
    bottom: 4px;
    background: var(--accent);
    border-radius: 2px;
}
.pwa-dont-show:hover {
    color: #aaa;
}
.pwa-dont-show:hover .pwa-checkmark {
    border-color: #777;
}
.pwa-modal-btn {
    width: 100%;
    padding: 12px 20px;
    background: rgba(161, 0, 0, 0.3);
    border: 1px solid rgba(161, 0, 0, 0.5);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.pwa-modal-btn:hover {
    background: rgba(161, 0, 0, 0.5);
    border-color: rgba(161, 0, 0, 0.8);
}
/* PWA update banner */
#pwa-update-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--accent), #ff6b35);
    color: #fff;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    z-index: 10001;
    font-size: 13px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
#pwa-update-banner button {
    padding: 5px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    border: none;
}
#pwa-update-banner .pwa-update-btn {
    background: #fff;
    color: #333;
}
#pwa-update-banner .pwa-dismiss-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
}

/* Note Context Menu (right-click on selected notes) */
.note-context-menu {
    position: fixed;
    z-index: 10000;
    min-width: 180px;
    background: #1c2333;
    border: 1px solid #2d3548;
    border-radius: 6px;
    padding: 4px 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    font-size: 12px;
    color: #c9d1d9;
}
.ncm-header {
    padding: 6px 12px 4px;
    font-size: 10px;
    color: #7a8ba8;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.ncm-label {
    padding: 4px 12px 2px;
    font-size: 10px;
    color: #5a6a80;
}
.ncm-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    cursor: pointer;
    transition: background 0.1s;
}
.ncm-item:hover {
    background: #2a3448;
}
.ncm-color {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}
.ncm-sep {
    height: 1px;
    background: #2d3548;
    margin: 4px 0;
}
.ncm-danger {
    color: #ff6b6b;
}
.ncm-danger:hover {
    background: rgba(255,107,107,0.12);
}

/* ==================== Full Track AI Dialog ==================== */
.fulltrack-dialog { max-width: 480px; }
.fulltrack-subtitle { color: var(--text-secondary); font-size: 13px; margin-bottom: 12px; }

#fulltrack-prompt {
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px;
    font-family: inherit;
    font-size: 13px;
    resize: vertical;
}
#fulltrack-prompt:focus { border-color: var(--accent); outline: none; }

.fulltrack-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}
.fulltrack-options select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 13px;
}
.fulltrack-cost-info {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.fulltrack-status {
    font-size: 13px;
    color: var(--text-primary);
    margin-bottom: 8px;
    min-height: 20px;
}

.fulltrack-progress-bar {
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 12px;
}
.fulltrack-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.fulltrack-parts {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
}
.ft-part {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    font-size: 13px;
}
.ft-icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}
.ft-icon.pending { color: var(--text-secondary); }
.ft-icon.composing { color: var(--accent); animation: ft-pulse 1s ease-in-out infinite; }
.ft-icon.done { color: var(--success); }
.ft-icon.error { color: var(--danger); }
.ft-name { flex: 1; }
.ft-name small { color: var(--text-secondary); }
.ft-status { color: var(--text-secondary); font-size: 12px; }

@keyframes ft-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.fulltrack-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: flex-end;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.btn-danger:hover { filter: brightness(1.1); }