/* Kokoro Studio - Professional DAW Theme */
/* Inspired by modern audio workstations with a clean, dark aesthetic */

:root {
    /* Core Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-elevated: #22222e;
    --bg-hover: #2a2a38;
    
    /* Accent Colors */
    --accent-primary: #00d4ff;
    --accent-secondary: #7b2fff;
    --accent-tertiary: #ff3366;
    --accent-success: #00ff88;
    --accent-warning: #ffaa00;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* Borders */
    --border-color: #2a2a35;
    --border-glow: rgba(0, 212, 255, 0.3);
    
    /* Track Colors */
    --track-1: #ff6b6b;
    --track-2: #4ecdc4;
    --track-3: #45b7d1;
    --track-4: #96ceb4;
    --track-5: #ffeaa7;
    --track-6: #dfe6e9;
    --track-7: #fd79a8;
    --track-8: #a29bfe;
    
    /* Sizing */
    --header-height: 56px;
    --sidebar-width: 240px;
    --track-height: 80px;
    --mixer-height: 200px;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.2);
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Main App Layout */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: 
        radial-gradient(ellipse at top left, rgba(123, 47, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        var(--bg-primary);
}

/* Top Bar */
.top-bar {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 30px;
    flex-shrink: 0;
    position: relative;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo-accent {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    gap: 4px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-btn svg {
    width: 18px;
    height: 18px;
}

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

.nav-btn.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(123, 47, 255, 0.15));
    color: var(--accent-primary);
    box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.3);
}

.top-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.project-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-selector select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    min-width: 180px;
    cursor: pointer;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.cpu-meter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cpu-label {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.cpu-bar {
    width: 60px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.cpu-fill {
    height: 100%;
    width: 25%;
    background: linear-gradient(90deg, var(--accent-success), var(--accent-warning));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Main Workspace */
.workspace {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.panel {
    position: absolute;
    inset: 0;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.panel.active {
    display: flex;
    flex-direction: column;
    opacity: 1;
}

/* TTS Panel */
.tts-panel {
    padding: 20px;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 20px;
    height: 100%;
}

.tts-input-section,
.tts-voice-section,
.tts-controls-section,
.tts-output-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.tts-input-section {
    grid-column: 1;
    grid-row: 1;
}

.tts-voice-section {
    grid-column: 2;
    grid-row: 1 / 3;
}

.tts-controls-section {
    grid-column: 1;
    grid-row: 2;
}

.tts-output-section {
    grid-column: 1;
    grid-row: 3;
}

@media (min-width: 1400px) {
    .panel-grid {
        grid-template-columns: 1fr 300px 1fr;
        grid-template-rows: 1fr 1fr;
    }
    
    .tts-input-section {
        grid-column: 1;
        grid-row: 1 / 3;
    }
    
    .tts-voice-section {
        grid-column: 2;
        grid-row: 1 / 3;
    }
    
    .tts-controls-section {
        grid-column: 3;
        grid-row: 1;
    }
    
    .tts-output-section {
        grid-column: 3;
        grid-row: 2;
    }
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.char-counter {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

#ttsText {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
    resize: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#ttsText:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

#ttsText::placeholder {
    color: var(--text-muted);
}

.text-tools {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.tool-btn {
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Voice Browser */
.voice-browser {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.voice-category {
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
}

.voice-category-header {
    padding: 12px 16px;
    background: var(--bg-elevated);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.voice-category-header:hover {
    background: var(--bg-hover);
}

.voice-category-header svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.voice-category.collapsed .voice-category-header svg {
    transform: rotate(-90deg);
}

.voice-category.collapsed .voice-list {
    display: none;
}

.voice-list {
    display: flex;
    flex-direction: column;
}

.voice-item {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

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

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

.voice-item.selected {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.1), transparent);
    border-left: 3px solid var(--accent-primary);
}

.voice-item .voice-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.voice-item .voice-info {
    flex: 1;
}

.voice-item .voice-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.voice-item .voice-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.voice-item .voice-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 4px 8px;
    border-radius: 4px;
}

.preview-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.preview-btn svg {
    width: 14px;
    height: 14px;
}

/* Controls Section */
.control-group {
    margin-bottom: 24px;
}

.control-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-container input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    cursor: pointer;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.slider-value {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-primary);
    min-width: 50px;
    text-align: right;
}

.selected-voice-display {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.selected-voice-display .label {
    font-size: 12px;
    color: var(--text-muted);
}

.selected-voice-display .voice-name {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-primary);
    background: var(--bg-primary);
    padding: 6px 12px;
    border-radius: 4px;
}

.generate-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: 10px;
    color: white;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn.loading {
    pointer-events: none;
}

.generate-btn.loading .btn-text {
    opacity: 0;
}

.generate-btn.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.btn-loader::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.generation-progress {
    margin-top: 16px;
}

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

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.progress-text {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* Output Section */
.waveform-display {
    height: 120px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
    position: relative;
}

.waveform-display canvas {
    width: 100%;
    height: 100%;
}

.waveform-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 8px;
}

.waveform-placeholder svg {
    width: 60px;
    height: 40px;
    opacity: 0.3;
}

.waveform-placeholder span {
    font-size: 12px;
}

.waveform-display.has-audio .waveform-placeholder {
    display: none;
}

.audio-player {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.play-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.play-btn svg {
    width: 18px;
    height: 18px;
}

.time-display {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

.seek-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
}

.seek-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    pointer-events: none;
}

.seek-bar input[type="range"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.volume-control svg {
    width: 18px;
    height: 18px;
}

.volume-control input[type="range"] {
    width: 80px;
    -webkit-appearance: none;
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
}

.output-actions {
    display: flex;
    gap: 12px;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

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

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* DAW Panel */
.daw-panel {
    display: flex;
    flex-direction: column;
}

.transport-bar {
    height: 50px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 24px;
    flex-shrink: 0;
}

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

.transport-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

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

.transport-btn svg {
    width: 16px;
    height: 16px;
}

.transport-btn.play-stop {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-success), #00cc6a);
    color: white;
}

.transport-btn.play-stop:hover {
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.transport-btn.play-stop.playing {
    background: linear-gradient(135deg, var(--accent-tertiary), #ff1a4d);
}

#recordBtn {
    color: var(--accent-tertiary);
}

#recordBtn.recording {
    background: var(--accent-tertiary);
    color: white;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.time-code {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 500;
    color: var(--accent-primary);
    background: var(--bg-primary);
    padding: 8px 16px;
    border-radius: 6px;
    letter-spacing: 1px;
}

.bpm-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bpm-control label {
    font-size: 12px;
    color: var(--text-muted);
}

.bpm-control input {
    width: 60px;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 14px;
    text-align: center;
}

.zoom-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-control button {
    width: 28px;
    height: 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
}

.zoom-control button:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

#zoomLevel {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: center;
}

.snap-control label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.snap-control input[type="checkbox"] {
    accent-color: var(--accent-primary);
}

/* DAW Main Area */
.daw-main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.track-headers {
    width: 200px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
}

.track-header {
    height: var(--track-height);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.track-header-top {
    display: flex;
    align-items: center;
    gap: 8px;
}

.track-color {
    width: 4px;
    height: 24px;
    border-radius: 2px;
}

.track-name {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    padding: 4px 0;
}

.track-name:focus {
    outline: none;
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
}

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

.track-btn {
    width: 28px;
    height: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.track-btn.active {
    color: var(--bg-primary);
}

.track-btn.mute.active {
    background: var(--accent-warning);
    border-color: var(--accent-warning);
}

.track-btn.solo.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.track-volume {
    flex: 1;
    -webkit-appearance: none;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
}

.track-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 10px;
    height: 10px;
    background: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
}

/* Timeline */
.timeline-container {
    flex: 1;
    position: relative;
    overflow: auto;
    background: var(--bg-primary);
}

.timeline-ruler {
    position: sticky;
    top: 0;
    height: 28px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
}

.tracks-area {
    min-height: calc(100% - 28px);
}

.track-lane {
    height: var(--track-height);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    background: rgba(255,255,255,0.01);
}

.track-lane:nth-child(even) {
    background: rgba(255,255,255,0.02);
}

.track-lane.selected {
    background: rgba(0, 212, 255, 0.05);
}

.clip {
    position: absolute;
    height: calc(100% - 8px);
    top: 4px;
    border-radius: 6px;
    cursor: move;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.clip:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.clip.selected {
    box-shadow: 0 0 0 2px var(--accent-primary);
}

.clip-header {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(0,0,0,0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.clip-waveform {
    flex: 1;
    padding: 4px;
}

.clip-waveform canvas {
    width: 100%;
    height: 100%;
}

.playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-tertiary);
    z-index: 20;
    pointer-events: none;
    box-shadow: 0 0 8px var(--accent-tertiary);
}

.playhead::before {
    content: '';
    position: absolute;
    top: 0;
    left: -5px;
    width: 12px;
    height: 12px;
    background: var(--accent-tertiary);
    clip-path: polygon(50% 100%, 0 0, 100% 0);
}

/* Mixer Section */
.mixer-section {
    height: var(--mixer-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.mixer-header {
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.mixer-header h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.toggle-mixer {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.toggle-mixer svg {
    width: 16px;
    height: 16px;
}

.mixer-section.collapsed .mixer-channels,
.mixer-section.collapsed .master-channel {
    display: none;
}

.mixer-channels {
    flex: 1;
    display: flex;
    overflow-x: auto;
    padding: 12px;
    gap: 8px;
}

.mixer-channel {
    width: 70px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.channel-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.vu-meters {
    display: flex;
    gap: 3px;
    height: 60px;
}

.vu-meter {
    width: 8px;
    background: var(--bg-primary);
    border-radius: 2px;
    overflow: hidden;
    display: flex;
    flex-direction: column-reverse;
}

.vu-fill {
    width: 100%;
    background: linear-gradient(to top, var(--accent-success), var(--accent-warning), var(--accent-tertiary));
    transition: height 0.05s ease;
}

.fader {
    width: 4px;
    height: 60px;
    -webkit-appearance: slider-vertical;
    background: var(--bg-primary);
    border-radius: 2px;
}

.fader-value {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
}

.master-channel {
    width: 100px;
    background: linear-gradient(180deg, var(--bg-tertiary), var(--bg-elevated));
    border-left: 1px solid var(--border-color);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.master-channel .channel-label {
    color: var(--accent-primary);
}

.master-channel .vu-meters {
    height: 80px;
}

.master-channel .vu-meter {
    width: 12px;
}

/* Effects Rack */
.effects-rack {
    width: 280px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.rack-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rack-header h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.rack-target {
    font-size: 11px;
    color: var(--text-muted);
}

.effects-slots {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.effect-slot {
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
}

.effect-header {
    padding: 10px 12px;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 500;
}

.effect-bypass {
    background: none;
    border: none;
    color: var(--accent-success);
    cursor: pointer;
    font-size: 14px;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.effect-bypass:hover {
    opacity: 1;
}

.effect-slot.bypassed .effect-bypass {
    color: var(--text-muted);
}

.effect-controls {
    padding: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.knob-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.knob {
    width: 40px;
    height: 40px;
    background: linear-gradient(145deg, var(--bg-elevated), var(--bg-primary));
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    box-shadow: 
        0 2px 4px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.05);
}

.knob::before {
    content: '';
    position: absolute;
    width: 3px;
    height: 12px;
    background: var(--accent-primary);
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 1px;
}

.knob-group label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Files Panel */
.files-panel {
    display: flex;
    flex-direction: row;
}

.files-sidebar {
    width: 220px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-section h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.upload-zone:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.05);
}

.upload-zone svg {
    width: 32px;
    height: 32px;
    color: var(--text-muted);
}

.upload-zone span {
    font-size: 12px;
    color: var(--text-muted);
}

.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.file-categories {
    list-style: none;
}

.file-categories li {
    padding: 10px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.file-categories li:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.file-categories li.active {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.15), transparent);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.files-grid {
    flex: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    align-content: start;
    overflow-y: auto;
}

.file-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-card-preview {
    height: 80px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.file-card-preview canvas {
    width: 100%;
    height: 100%;
}

.file-card-preview svg {
    width: 36px;
    height: 36px;
    color: var(--text-muted);
}

.file-card-info {
    padding: 12px;
}

.file-card-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.file-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-content.modal-sm {
    max-width: 360px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.export-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.option-group select {
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
}

.track-select-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.track-select-item {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease;
}

.track-select-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.track-select-color {
    width: 8px;
    height: 32px;
    border-radius: 4px;
}

.track-select-name {
    font-size: 14px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 1200px) {
    .panel-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto;
    }
    
    .tts-voice-section {
        grid-column: 1;
        grid-row: 2;
        max-height: 300px;
    }
    
    .tts-controls-section {
        grid-row: 3;
    }
    
    .tts-output-section {
        grid-row: 4;
    }
    
    .effects-rack {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-nav span {
        display: none;
    }
    
    .nav-btn {
        padding: 10px;
    }
    
    .project-selector select {
        min-width: 120px;
    }
    
    .cpu-meter {
        display: none;
    }
    
    .files-sidebar {
        width: 180px;
        padding: 12px;
    }
    
    .track-headers {
        width: 140px;
    }
}