:root {
    /* Colors - Theater Dark Theme */
    --bg-app: #121212;
    --bg-panel: #1e1e1e;
    --bg-element: #2d2d2d;
    --bg-hover: #3d3d3d;
    --bg-active: #4a4a4a;

    --text-primary: #e0e0e0;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;

    --accent-color: #6200ea;
    /* Deep Purple */
    --accent-hover: #7c4dff;

    --color-go: #00c853;
    /* Green */
    --color-stop: #d50000;
    /* Red */
    --color-warn: #ffab00;
    /* Amber */

    --border-color: #333333;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;

    /* Typography */
    --font-ui: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --safe-area-inset-bottom: env(safe-area-inset-bottom);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-ui);
    height: 100vh;
    overflow: hidden;
    /* App-like feel */
    user-select: none;
    /* Prevent text selection during frantic clicking */
}

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Toolbar */
.toolbar {
    height: 60px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
}

.toolbar__left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--text-primary);
}

.app-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.project-name {
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px dashed transparent;
    transition: all 0.2s;
    cursor: text;
    padding: 2px 6px;
}

.project-name:hover,
.project-name:focus {
    color: var(--text-primary);
    border-bottom-color: var(--primary-color);
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.mode-switch {
    background: var(--bg-app);
    padding: 4px;
    border-radius: 8px;
    display: flex;
    gap: 4px;
}

.mode-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.mode-btn:hover {
    color: var(--text-primary);
}

.mode-btn.active {
    background-color: var(--bg-element);
    color: var(--text-primary);
    font-weight: 500;
}

.toolbar__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.project-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: background 0.2s;
    touch-action: manipulation;
}

.btn--primary {
    background-color: var(--accent-color);
    color: white;
}

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

.btn--sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
}

.icon-btn:hover {
    background-color: var(--bg-hover);
}

/* Main Content */
.main-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.view {
    display: none;
    height: 100%;
    flex-direction: column;
}

.view.active {
    display: flex;
}

/* Cue Player Styles */
.cue-container {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-app);
}

.cue-header {
    display: grid;
    grid-template-columns: 20px 30px 1fr 60px 50px 40px 60px;
    /* added drag handle col */
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-sm);
    background-color: var(--bg-element);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    position: sticky;
    top: 0;
    z-index: 10;
}

.cue-list {
    padding-bottom: 100px;
}

.cue-item {
    display: grid;
    grid-template-columns: 20px 30px 1fr 60px 50px 40px 60px;
    gap: 4px;
    padding: 12px var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: background 0.1s;
    cursor: pointer;
    user-select: none;
}

/* Drag Handles */
.col-drag {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.col-drag:active {
    cursor: grabbing;
    color: var(--text-primary);
}

.cue-item.dragging,
.pad.dragging {
    opacity: 0.5;
    border: 2px dashed var(--accent-color);
}

.cue-item.drag-over {
    border-top: 2px solid var(--accent-color);
}

.pad.drag-over {
    border: 2px solid var(--accent-color);
}

.cue-item:hover {
    background-color: var(--bg-hover);
}

.cue-item.selected {
    background-color: rgba(98, 0, 234, 0.2);
    border-left: 3px solid var(--accent-color);
}

.cue-item.playing {
    background-color: rgba(0, 200, 83, 0.15);
    border-left: 3px solid var(--color-go);
}

.cue-item.played {
    opacity: 0.6;
}

.col-id {
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.col-name {
    font-weight: 500;
}

.col-action {
    font-size: 0.8rem;
    background: var(--bg-element);
    padding: 2px 6px;
    border-radius: 4px;
    width: fit-content;
}

.col-fade,
.col-vol {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
    margin: var(--spacing-lg);
    border-radius: 12px;
}

.btn-upload {
    margin-top: var(--spacing-md);
    background-color: var(--bg-element);
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.btn-upload:hover {
    background-color: var(--bg-hover);
}

/* Footer Controls */
.cue-controls-footer {
    height: 100px;
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: auto 1fr auto 1fr;
    /* Upload | Current | Transport | Next */
    align-items: center;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-lg);
}

.btn-icon-toggle {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    padding: 2px 4px;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.btn-icon-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon-toggle.active {
    color: var(--accent-color);
    background: rgba(98, 0, 234, 0.1);
    border-color: var(--accent-color);
}

.now-playing,
.next-cue {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.now-playing {
    text-align: left;
}

.next-cue {
    text-align: right;
}

.label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.track-name {
    font-weight: 600;
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}

.time-display {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 1.2rem;
}

.transport-controls {
    display: flex;
    gap: var(--spacing-md);
}

.transport-btn {
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, filter 0.2s;
}

.transport-btn:active {
    transform: scale(0.95);
}

.transport-btn.go {
    background-color: var(--color-go);
    color: #000;
    font-size: 1.5rem;
    padding: 10px 60px;
    box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
}

.transport-btn.go:hover {
    filter: brightness(1.1);
}

.transport-btn.stop {
    background-color: var(--bg-element);
    color: var(--color-stop);
    font-size: 1rem;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
}

.transport-btn.stop:hover {
    background-color: rgba(213, 0, 0, 0.1);
}

/* Soundboard Styles */
.soundboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.pad {
    aspect-ratio: 1;
    background-color: var(--bg-element);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    overflow: hidden;
    touch-action: manipulation;
}

.pad:hover {
    background-color: var(--bg-hover);
    border-color: #555;
}

.pad:active,
.pad.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-hover);
    transform: scale(0.98);
}

.pad-name {
    font-size: 0.9rem;
    text-align: center;
    word-break: break-word;
    z-index: 2;
}

.pad-mode {
    font-size: 0.65rem;
    opacity: 0.7;
    margin-top: 4px;
    text-transform: uppercase;
}

.soundboard-footer {
    height: 60px;
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
}

.transport-btn.stop-sm {
    background-color: rgba(213, 0, 0, 0.2);
    color: var(--color-stop);
    border: 1px solid var(--color-stop);
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Drag Overlay */
.drop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(98, 0, 234, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.drop-overlay.active {
    display: flex;
}

.drop-message {
    font-size: 2rem;
    color: white;
    font-weight: 700;
    pointer-events: none;
}

/* Mixer - Basic styles */
.mixer-channels {
    display: flex;
    justify-content: center;
    padding: 40px;
    height: 100%;
}

.channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 300px;
    width: 60px;
}

.fader-track {
    flex: 1;
    background: var(--bg-element);
    width: 4px;
    border-radius: 2px;
    position: relative;
    display: flex;
    justify-content: center;
}

input[type=range][orient=vertical] {
    writing-mode: bt-lr;
    /* IE */
    -webkit-appearance: slider-vertical;
    /* WebKit */
    width: 8px;
    height: 100%;
    padding: 0 5px;
}

/* Mobile Tweaks */
@media (max-width: 600px) {

    .app-title,
    .project-name {
        display: none;
    }

    .toolbar .back-link {
        display: none;
    }

    .toolbar {
        flex-wrap: wrap;
        padding: 4px;
        gap: 4px;
        justify-content: center;
        height: auto;
        min-height: 60px;
    }

    .toolbar__left,
    .toolbar__center,
    .toolbar__right {
        width: 100%;
        justify-content: center;
        margin: 2px 0;
    }

    .mode-btn {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    .icon-btn {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
    }

    /* Compact Cue List */
    .cue-header,
    .cue-item {
        /* Drag | Name | Action | Control */
        grid-template-columns: 20px 1fr 70px 40px !important;
        gap: 4px;
        padding: 10px 4px;
    }

    .col-id,
    .col-fade,
    .col-vol {
        display: none !important;
    }

    .col-action {
        transform: scale(0.9);
    }

    .col-controls {
        display: flex !important;
        justify-content: center;
    }

    /* Show Delete */

    /* Soundboard */
    .soundboard-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px;
        padding: 10px;
    }

    .pad {
        height: 100px;
    }

    /* Footer */
    .cue-controls-footer {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        grid-template-areas:
            "playing next"
            "transport transport";
        height: auto;
        padding: 8px;
        gap: 8px;
    }

    .btn-upload {
        display: none;
    }

    /* Hide footer upload on very small mobile screens */

    .now-playing {
        grid-area: playing;
        margin: 0;
    }

    .next-cue {
        grid-area: next;
        margin: 0;
        text-align: right;
    }

    .transport-controls {
        grid-area: transport;
        justify-content: space-between;
        width: 100%;
    }

    .transport-btn {
        flex: 1;
    }
}

/* Delete Features */
.col-controls {
    width: 60px;
    /* Default for Desktop */
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
}

/* Mobile Override */
@media (max-width: 768px) {
    .col-controls {
        display: none;
    }

    /* Or adjust if we want delete on mobile */
}

/* Ensure controls are visible on desktop even if hidden in query above by specific rule order or media query structure. 
   Actually, the query above hides it for max-width 480px. Let's make sure our new rule doesn't break layout. 
   Re-defining .btn-del-cue globally. */

.btn-del-cue {
    background: transparent;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 1rem;
    padding: 2px 5px;
    border-radius: 4px;
    opacity: 0.6;
    transition: all 0.2s;
}

.btn-del-cue:hover {
    color: #ff5252;
    background: rgba(255, 82, 82, 0.1);
    opacity: 1;
}

.cue-item.active .btn-del-cue {
    color: rgba(255, 255, 255, 0.7);
}

/* Soundboard Delete Button */
.btn-del-pad {
    position: absolute;
    top: 2px;
    right: 2px;
    background: rgba(0, 0, 0, 0.6);
    color: #bbb;
    border: none;
    border-radius: 4px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 10;
}

.pad:hover .btn-del-pad {
    opacity: 1;
}

.btn-del-pad:hover {
    background: #d50000;
    color: white;
}

/* --- Recorder View --- */
.recorder-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--bg-app);
    overflow-y: auto;
}

.recorder-visualizer {
    width: 100%;
    max-width: 800px;
    height: 200px;
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
}

.record-timer {
    font-family: var(--font-mono);
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.record-controls {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.btn-record {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #d50000;
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px #d50000;
    cursor: pointer;
    transition: transform 0.1s;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 2rem;
}

.btn-record:active {
    transform: scale(0.95);
}

.btn-record.recording {
    animation: pulse 1.5s infinite;
}

.btn-stop-rec {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    background: var(--bg-element);
    border: 2px solid var(--border-color);
    cursor: pointer;
    font-size: 2rem;
    color: var(--text-primary);
}

.btn-stop-rec:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 4px #d50000;
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(213, 0, 0, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 4px #d50000;
    }
}

.recordings-list {
    width: 100%;
    max-width: 800px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.recording-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-element);
    margin-bottom: 4px;
    border-radius: 4px;
}

.recording-item:last-child {
    border-bottom: none;
}

.rec-info {
    flex: 1;
}

.rec-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.rec-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.rec-actions {
    display: flex;
    gap: 8px;
}