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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #111827 100%);
    min-height: 100vh;
    color: #e5e7eb;
}

/* Light theme overrides */
.theme-light {
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 100%);
    color: #1f2937;
}
.theme-light header { color: #1f2937; }
.theme-light .upload-area { border-color: rgba(0,0,0,0.15); background: rgba(255,255,255,0.8); }
.theme-light .upload-area:hover { background: rgba(255,255,255,0.95); }
.theme-light .upload-content { color: #1f2937; }
.theme-light .upload-btn { background: #10b981; color: white; }
.theme-light .upload-btn:hover { background: #059669; }
.theme-light .player-section,
.theme-light .waveform-section,
.theme-light .cues-panel,
.theme-light .modal-content { background: white; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.theme-light .time-display { color: #374151; }
.theme-light .btn-primary { background: #2563eb; color: white; }
.theme-light .btn-primary:hover { background: #1d4ed8; }
.theme-light .btn-secondary { background: #6b7280; color: white; }
.theme-light .btn-secondary:hover { background: #4b5563; }
.theme-light .btn-success { background: #10b981; color: white; }
.theme-light .btn-success:hover { background: #059669; }
.theme-light .btn-danger { background: #ef4444; color: white; }
.theme-light .btn-danger:hover { background: #dc2626; }
.theme-light .waveform-instructions { background: #e3f2fd; border-color: #bbdefb; color: #1976d2; }
.theme-light .zoom-controls { background: #f8f9fa; border-color: #e0e0e0; }
.theme-light #zoomLevel { color: #333; }
.theme-light .zoom-info { color: #666; }
.theme-light .waveform-container { background: #f8f9fa; border-color: #e0e0e0; box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); }
.theme-light .waveform-container:hover { border-color: #2196F3; box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 0 0 3px rgba(33,150,243,0.1); }
.theme-light #waveformCanvas { background: #f8f9fa; }
.theme-light .cue-item { background: #f8f9fa; border-left-color: #2196F3; }
.theme-light .cue-item:hover { background: #e3f2fd; }
.theme-light .cue-number { color: #2196F3; }
.theme-light .cue-name-input { color: #333; }
.theme-light .cue-name-input:focus { background: rgba(33, 150, 243, 0.1); border-color: #2196F3; }
.theme-light .cue-name-input:hover { border-color: #90a4ae; }
.theme-light .cue-time { color: #666; }
.theme-light .cue-description-input { color: #888; }
.theme-light .cue-description-input:focus { background: rgba(33, 150, 243, 0.1); border-color: #2196F3; }
.theme-light .cue-description-input:hover { border-color: #90a4ae; }
.theme-light .cue-description-input::placeholder { color: #aaa; }
.theme-light .cue-actions .edit-btn { background: #2196F3; color: white; }
.theme-light .cue-actions .edit-btn:hover { background: #1976D2; }
.theme-light .cue-actions .delete-btn { background: #f44336; color: white; }
.theme-light .cue-actions .delete-btn:hover { background: #d32f2f; }
.theme-light .cue-actions .jump-btn { background: #4CAF50; color: white; }
.theme-light .cue-actions .jump-btn:hover { background: #45a049; }
.theme-light .template-dropdown { background: white; border-color: #e0e0e0; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.theme-light .template-btn { color: #333; }
.theme-light .template-btn:hover { background: #f5f5f5; }
.theme-light .cues-panel h3 { color: #333; border-bottom-color: #e0e0e0; }
.theme-light .panel-header h3 { color: #333; border-bottom-color: #e0e0e0; }
.theme-light .settings-panel { background: white; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.theme-light .setting-group h4 { color: #333; border-bottom-color: #e0e0e0; }
.theme-light .setting-text { color: #333; }
.theme-light .setting-description { color: #666; }
.theme-light .settings-actions { border-top-color: #e0e0e0; }
.theme-light .cues-list::-webkit-scrollbar-track { background: #e0e0e0; }
.theme-light .cues-list::-webkit-scrollbar-thumb { background: #90a4ae; }
.theme-light .cues-list::-webkit-scrollbar-thumb:hover { background: #78909c; }
.theme-light .form-group label { color: #333; }
.theme-light .form-group input,
.theme-light .form-group textarea { background: white; color: #1f2937; border-color: #e0e0e0; }
.theme-light .form-group input:focus,
.theme-light .form-group textarea:focus { border-color: #2196F3; }
.theme-light .quick-cue-popup { background: white; border-color: #2196F3; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.theme-light .quick-cue-content h4 { color: #333; }
.theme-light .quick-cue-content input { background: white; color: #1f2937; border-color: #e0e0e0; }
.theme-light .quick-cue-content input:focus { border-color: #2196F3; }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.main-content {
    display: flex;
    gap: 20px;
    height: calc(100vh - 200px); /* Fixed height to enable proper scrolling */
    max-height: calc(100vh - 200px);
}

.left-column {
    flex: 1;
    min-width: 0; /* Allows flex item to shrink below content size */
}

.right-column {
    width: 350px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    height: 100%; /* Take full height of main-content */
    overflow: hidden; /* Prevent overflow */
}

header {
    text-align: center;
    margin-bottom: 30px;
    color: #e5e7eb;
}

.header-title {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 0 10px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    color: #e5e7eb;
}

.header-logo-m {
    height: 60px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
    margin-right: 2px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.upload-section {
    margin-bottom: 30px;
}

.upload-area {
    border: 3px dashed rgba(255,255,255,0.2);
    border-radius: 15px;
    padding: 60px 20px;
    text-align: center;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(6px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    background: rgba(31, 41, 55, 0.8);
    transform: translateY(-2px);
}

.upload-area.dragover {
    background: rgba(31, 41, 55, 0.9);
    border-color: #dc2626;
}

.upload-content {
    color: #e5e7eb;
    position: relative;
}

input[type="file"] {
    display: none; /* hidden; triggered programmatically */
    position: static;
    width: auto;
    height: auto;
    opacity: 0;
    cursor: pointer;
    z-index: auto;
    font-size: 16px; /* Prevents zoom on iOS */
    pointer-events: auto;
}

/* Mobile-specific improvements */
@media (max-width: 768px) {
    .upload-area {
        min-height: 200px;
        padding: 40px 20px;
    }
    
    .upload-content h3 {
        font-size: 1.5rem;
    }
    
    .upload-content p {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .upload-btn {
        padding: 15px 30px;
        font-size: 1.1rem;
        min-height: 50px;
    }
    
    input[type="file"] {
        font-size: 16px; /* Prevents zoom on iOS */
        -webkit-appearance: none;
        appearance: none;
    }
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.upload-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.upload-content p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.upload-btn {
    background: #22c55e;
    color: #0b1220;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 20;
    position: relative;
}

.upload-btn:hover {
    background: #16a34a;
    transform: translateY(-2px);
}

.player-section {
    background: #0b1220;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.audio-controls audio {
    flex: 1;
    height: 40px;
}

.time-display {
    font-weight: bold;
    color: #cbd5e1;
    min-width: 100px;
}

.cue-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cue-templates {
    position: relative;
    display: inline-block;
}

.template-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: #0b1220;
    border: 1px solid #1f2937;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    z-index: 1000;
    min-width: 150px;
    margin-top: 5px;
}

.template-btn {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: #e5e7eb;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem;
}

.template-btn:hover {
    background: #1f2937;
}

.template-btn:first-child {
    border-radius: 8px 8px 0 0;
}

.template-btn:last-child {
    border-radius: 0 0 8px 8px;
}

.template-btn:only-child {
    border-radius: 8px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: #2563eb;
    color: #e5e7eb;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #374151;
    color: #e5e7eb;
}

.btn-secondary:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

.btn-success {
    background: #22c55e;
    color: #0b1220;
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-2px);
}

.btn-danger {
    background: #ef4444;
    color: #0b1220;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.waveform-section {
    background: #0b1220;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.waveform-instructions {
    background: rgba(59,130,246,0.12);
    border: 1px solid rgba(59,130,246,0.25);
    border-radius: 8px;
    padding: 10px 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #93c5fd;
}

.controls-help {
    margin-top: 8px;
}
.controls-help summary {
    cursor: pointer;
    color: #93c5fd;
}
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 8px;
    color: inherit;
}
.controls-grid h4 {
    margin-bottom: 6px;
}
.controls-grid ul {
    padding-left: 18px;
}
.controls-grid li {
    margin: 4px 0;
}

.waveform-instructions p {
    margin: 0;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding: 10px;
    background: #0f172a;
    border-radius: 8px;
    border: 1px solid #1f2937;
}

.zoom-controls button {
    padding: 5px 10px;
    font-size: 0.9rem;
    min-width: 40px;
}

#zoomLevel {
    font-weight: bold;
    color: #e5e7eb;
    min-width: 50px;
    text-align: center;
}

.zoom-info {
    font-size: 0.8rem;
    color: #9ca3af;
    margin-left: auto;
}

.time-popup {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: bold;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    transform: translate(-50%, 0);
}

.time-popup::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(180deg);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
}

.waveform-container {
    position: relative;
    width: 100%;
    height: 400px;
    border: 2px solid #1f2937;
    border-radius: 10px;
    overflow: hidden;
    cursor: crosshair;
    background: #0f172a;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}

.waveform-container:hover {
    border-color: #2563eb;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.4), 0 0 0 3px rgba(37, 99, 235, 0.2);
}

#waveformCanvas {
    width: 100%;
    height: 100%;
    display: block;
    background: #0f172a;
}

/* Floating theme toggle */
.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #1f2937;
    background: #0b1220;
    color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0,0,0,0.4);
    cursor: pointer;
    z-index: 1200;
}
.theme-toggle:hover { filter: brightness(1.1); }
.theme-light .theme-toggle {
    background: #ffffff;
    color: #111827;
    border-color: #e5e7eb;
}

.cue-markers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cue-marker {
    position: absolute;
    top: 0;
    width: 3px;
    height: 100%;
    background: #ff4444;
    cursor: pointer;
    pointer-events: all;
    transition: all 0.2s ease;
    z-index: 10;
}

.cue-marker:hover {
    width: 5px;
    background: #ff6666;
}

.cue-marker::before {
    content: attr(data-cue-name);
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: #ef4444;
    color: #0b1220;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.cue-marker:hover::before {
    opacity: 1;
}

/* Highlighted marker state for hover from cues list */
.cue-marker.highlighted {
    transform: scale(1.3);
    z-index: 10;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.8);
    border: 2px solid #60a5fa;
}

.cue-marker.highlighted::before {
    opacity: 1;
    background: #60a5fa;
    color: #0b1220;
    font-weight: bold;
}

.cues-panel {
    background: #0b1220;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0; /* Allows flex item to shrink */
    overflow: hidden; /* Prevent panel from growing */
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-shrink: 0; /* Prevent header from shrinking */
}

.panel-header h3 {
    margin: 0;
    color: #e5e7eb;
    border-bottom: 2px solid #1f2937;
    padding-bottom: 10px;
    flex: 1;
}

.panel-header .btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    margin-left: 10px;
}

.settings-panel {
    background: #0b1220;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0; /* Allows flex item to shrink */
}

.cues-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0; /* Allows flex item to shrink */
    padding-right: 5px; /* Space for scrollbar */
}

.cues-list::-webkit-scrollbar {
    width: 6px;
}

.cues-list::-webkit-scrollbar-track {
    background: #1f2937;
    border-radius: 3px;
}

.cues-list::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 3px;
}

.cues-list::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

.settings-content {
    flex: 1;
    overflow-y: auto;
    min-height: 0; /* Allows flex item to shrink */
}

.setting-group {
    margin-bottom: 25px;
}

.setting-group h4 {
    color: #e5e7eb;
    margin-bottom: 15px;
    font-size: 1.1rem;
    border-bottom: 1px solid #1f2937;
    padding-bottom: 5px;
}

.setting-item {
    margin-bottom: 15px;
}

.setting-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    margin-bottom: 5px;
}

.setting-label input[type="checkbox"] {
    margin-right: 10px;
    margin-top: 2px;
    transform: scale(1.2);
    accent-color: #2563eb;
}

.setting-text {
    color: #e5e7eb;
    font-weight: 500;
    flex: 1;
}

.setting-description {
    color: #9ca3af;
    font-size: 0.85rem;
    margin-left: 30px;
    margin-top: 2px;
    line-height: 1.4;
}

.settings-actions {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #1f2937;
    text-align: center;
}

.cue-info {
    flex: 1;
}

/* Compact cues: prevent horizontal scroll and allow shrinking */
.cues-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    padding-right: 4px;
}

.cue-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    margin-bottom: 6px;
    background: #0f172a;
    border-radius: 10px;
    border-left: 4px solid #2563eb;
    transition: all 0.3s ease;
    overflow: hidden; /* Avoid horizontal scrollbar */
}

.cue-item:hover {
    background: #111827;
    transform: translateX(3px);
}

/* Allow inner content to shrink */
.cue-info { min-width: 0; }

.cue-name-container {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    min-width: 0; /* enable shrinking */
}

.cue-number {
    font-weight: bold;
    color: #2563eb;
    font-size: 0.85rem;
    min-width: 26px;
}

.cue-name-input {
    background: transparent;
    border: 1px solid transparent;
    color: #e5e7eb;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 2px 6px;
    border-radius: 4px;
    flex: 1;
    min-width: 0; /* allow ellipsis */
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cue-name-input:focus {
    outline: none;
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
}

.cue-name-input:hover { border-color: #4b5563; }

.cue-time {
    color: #9ca3af;
    font-size: 0.8rem;
    margin-bottom: 4px;
}

.cue-description-container { margin-top: 4px; }

.cue-description-input {
    background: transparent;
    border: 1px solid transparent;
    color: #94a3b8;
    font-size: 0.8rem;
    line-height: 1.25;
    padding: 4px 6px;
    border-radius: 4px;
    width: 100%;
    min-height: 20px;
    max-height: 36px; /* cap to ~2 lines */
    resize: vertical;
    transition: all 0.2s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.cue-description-input:focus {
    outline: none;
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
}

.cue-description-input:hover { border-color: #4b5563; }

.cue-description-input::placeholder { color: #6b7280; font-style: italic; }

.cue-actions {
    display: flex;
    gap: 4px;
    flex-wrap: wrap; /* avoid horizontal overflow */
}

.cue-actions button {
    padding: 4px 8px;
    border: none;
    border-radius: 12px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Light theme compaction tweaks */
.theme-light .cue-number { color: #2196F3; }
.theme-light .cue-name-input:focus { background: rgba(33, 150, 243, 0.08); border-color: #2196F3; }
.theme-light .cue-name-input:hover { border-color: #90a4ae; }
.theme-light .cue-time { color: #666; }
.theme-light .cue-description-input { color: #666; }
.theme-light .cue-description-input:focus { background: rgba(33, 150, 243, 0.08); border-color: #2196F3; }
.theme-light .cue-description-input:hover { border-color: #90a4ae; }
.theme-light .cues-list { padding-right: 4px; overflow-x: hidden; }

/* Quick Cue Popup */
.quick-cue-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #0b1220;
    border: 2px solid #2563eb;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1500;
    min-width: 320px;
    max-width: 420px;
}

.quick-cue-content h4 {
    color: #e5e7eb;
    margin-bottom: 12px;
    font-size: 1.05rem;
    text-align: center;
}

.quick-cue-row { margin-bottom: 10px; }

.quick-cue-content input,
.quick-cue-content textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #1f2937;
    border-radius: 8px;
    font-size: 0.95rem;
    background: #0f172a;
    color: #e5e7eb;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.quick-cue-content textarea { min-height: 70px; resize: vertical; }

.quick-cue-content input:focus,
.quick-cue-content textarea:focus { outline: none; border-color: #2563eb; }

.theme-light .quick-cue-content input,
.theme-light .quick-cue-content textarea { background: white; color: #1f2937; border-color: #e0e0e0; }
.theme-light .quick-cue-content input:focus,
.theme-light .quick-cue-content textarea:focus { border-color: #2196F3; }

.quick-cue-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.quick-cue-actions .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #0b1220;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #e5e7eb;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #e5e7eb;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #1f2937;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: #0f172a;
    color: #e5e7eb;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-group textarea {
    height: 80px;
    resize: vertical;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .main-content {
        flex-direction: column;
        gap: 15px;
        height: auto; /* Allow natural height on mobile */
        max-height: none;
    }
    
    .right-column {
        width: 100%;
        order: -1; /* Show cues first on mobile */
    }
    
    .cues-panel, .settings-panel {
        min-height: 300px;
        max-height: 50vh; /* Limit height on mobile to keep timeline visible */
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .upload-area {
        padding: 40px 20px;
    }
    
    .audio-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cue-controls {
        justify-content: center;
    }
    
    .cue-item {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .cue-actions {
        justify-content: center;
    }
}

.color-select {
    display: flex;
    align-items: center;
    gap: 8px;
}
.color-swatch {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid #1f2937;
    background: #ff4444;
}
.color-select select {
    background: #0f172a;
    color: #e5e7eb;
    border: 2px solid #1f2937;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.9rem;
}
.color-select select:focus { outline: none; border-color: #2563eb; }
.theme-light .color-swatch { border-color: #e0e0e0; }
.theme-light .color-select select { background: #fff; color: #1f2937; border-color: #e0e0e0; }
.theme-light .color-select select:focus { border-color: #2196F3; }

.color-dropdown { position: relative; display: inline-block; }
.color-dropdown-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border: 2px solid #1f2937; border-radius: 8px; background: #0f172a; color: #e5e7eb; cursor: pointer; }
.color-dropdown.open .color-dropdown-menu { display: block; }
.color-dropdown-menu { position: absolute; top: 100%; left: 0; z-index: 1200; display: none; background: #0b1220; border: 1px solid #1f2937; border-radius: 8px; padding: 6px; box-shadow: 0 8px 18px rgba(0,0,0,0.4); min-width: 180px; }
.color-dropdown-menu .color-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; cursor: pointer; }
.color-dropdown-menu .color-item:hover { background: #111827; }
.color-dropdown-menu .color-item span { display: inline-block; width: 16px; height: 16px; border-radius: 4px; border: 1px solid #1f2937; }
.theme-light .color-dropdown-toggle { background: #fff; color: #1f2937; border-color: #e0e0e0; }
.theme-light .color-dropdown-menu { background: #fff; border-color: #e0e0e0; box-shadow: 0 8px 18px rgba(0,0,0,0.15); }
.theme-light .color-dropdown-menu .color-item:hover { background: #f5f5f5; }
.theme-light .color-dropdown-menu .color-item span { border-color: #e0e0e0; }

.cue-color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
}
.theme-light .cue-color-dot { border-color: rgba(0,0,0,0.1); }

.export-dropdown { position: relative; display: inline-block; }
.export-menu { position: absolute; top: 100%; left: 0; background: #0b1220; border: 1px solid #1f2937; border-radius: 8px; box-shadow: 0 8px 18px rgba(0,0,0,0.4); padding: 6px; z-index: 1200; min-width: 160px; }
.export-item { display: block; width: 100%; text-align: left; padding: 8px 10px; background: transparent; color: #e5e7eb; border: none; border-radius: 6px; cursor: pointer; }
.export-item:hover { background: #111827; }
.theme-light .export-menu { background: #fff; border-color: #e0e0e0; box-shadow: 0 8px 18px rgba(0,0,0,0.15); }
.theme-light .export-item { color: #1f2937; }
.theme-light .export-item:hover { background: #f5f5f5; }

.warning-banner {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #fbbf24;
    font-size: 0.95rem;
}
.theme-light .warning-banner {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.35);
    color: #92400e;
}
.theme-light #ma3Id,
.theme-light #ma3Trigger,
.theme-light #ma3OverrideId,
.theme-light #ma3SeqId,
.theme-light #ma3TcId,
.theme-light #ma3PageId,
.theme-light #projectTitle {
    background: white !important;
    color: #1f2937 !important;
    border-color: #e0e0e0 !important;
}
.theme-light #ma3Id:focus,
.theme-light #ma3Trigger:focus,
.theme-light #ma3OverrideId:focus,
.theme-light #ma3SeqId:focus,
.theme-light #ma3TcId:focus,
.theme-light #ma3PageId:focus,
.theme-light #projectTitle:focus {
    border-color: #2196F3 !important;
    outline: none;
}

/* Project badge */
.project-badge {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid #374151;
    border-radius: 6px;
    background: #0b1220;
    color: #e5e7eb;
}
.badge-id {
    font-weight: 600;
    color: #93c5fd;
}
.badge-sep { opacity: 0.5; }
.badge-track { max-width: 28ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.theme-light .project-badge { background: #f9fafb; color: #111827; border-color: #e5e7eb; }
.theme-light .badge-id { color: #1d4ed8; }

/* Footer */
.site-footer {
    margin-top: 30px;
    padding: 16px 0;
    border-top: 1px solid #1f2937;
    color: #9ca3af;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-made-by {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-logo {
    height: 20px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}
.footer-links {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 9999px;
    border: 1px solid #1f2937;
    background: #0b1220;
    color: #e5e7eb;
    text-decoration: none;
    transition: all 0.2s ease;
}
.footer-link:hover {
    background: #111827;
    transform: translateY(-1px);
}
.footer-icon {
    opacity: 0.9;
}
.theme-light .site-footer { border-top-color: #e0e0e0; color: #6b7280; }
.theme-light .footer-link { background: #ffffff; color: #1f2937; border-color: #e0e0e0; }
.theme-light .footer-link:hover { background: #f5f5f5; }