/* Creative Writer Studio - CSS Styles */

:root {
    /* Color Palette - Professional, focused */
    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-tertiary: #243044;
    --bg-elevated: #2d3a4f;

    --text-primary: #e7e9ea;
    --text-secondary: #8b98a5;
    --text-muted: #5b6b7d;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    --border-color: #2f3b4a;
    --border-light: #3d4f63;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

    /* Layout */
    --header-height: 56px;
    --sidebar-width: 280px;
    --writer-panel-height: 320px;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.writer-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */
.writer-header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.header-right {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   MAIN LAYOUT
   ============================================ */
.writer-main {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - var(--header-height) - var(--writer-panel-height));
}

/* ============================================
   SCENE BROWSER (Left Sidebar)
   ============================================ */
.scene-browser {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--transition-normal), transform var(--transition-normal);
}

.scene-browser.collapsed {
    width: 48px;
}

.scene-browser.collapsed .scene-list,
.scene-browser.collapsed .sidebar-header h2 {
    display: none;
}

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

.sidebar-header h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.scene-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.scene-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

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

.scene-item.active {
    background: var(--accent-primary);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.scene-thumbnail {
    width: 60px;
    height: 45px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.scene-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scene-info {
    flex: 1;
    min-width: 0;
}

.scene-number {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scene-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   WORKSPACE (Center)
   ============================================ */
.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Research Panel */
.research-panel {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.panel-header {
    margin-bottom: var(--spacing-lg);
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

.research-input-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.research-options {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.option-group label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.button-group {
    display: flex;
    gap: 2px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 2px;
}

.toggle-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

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

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

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Research Results */
.research-results {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.results-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.results-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.results-content {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Workspace Tabs */
.workspace-tabs {
    display: flex;
    gap: 0;
    padding: 0 var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

/* Tab Content */
.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.tab-content.active {
    display: block;
}

/* ============================================
   STORYBOARD TAB
   ============================================ */
.storyboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.storyboard-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.storyboard-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.storyboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.storyboard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.storyboard-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.storyboard-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.storyboard-card-content {
    padding: var(--spacing-md);
}

.storyboard-card-number {
    font-size: 0.7rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.storyboard-card-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.storyboard-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   NARRATIVE ARCHITECTURE TAB
   ============================================ */
.narrative-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.narrative-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.structure-selector {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.structure-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.structure-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

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

.structure-view {
    display: none;
}

.structure-view.active {
    display: block;
}

/* Three Act Structure */
.act-container {
    display: flex;
    gap: var(--spacing-lg);
}

.act {
    flex: 1;
    min-width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.act-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.act-number {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-primary);
}

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

.act-percentage {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.act-beats {
    padding: var(--spacing-sm);
}

.beat {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: 6px;
    background: var(--bg-primary);
}

.beat-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.beat textarea {
    width: 100%;
    min-height: 60px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    resize: vertical;
}

.beat textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Hero's Journey */
.journey-wheel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.journey-stage {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.stage-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: var(--spacing-sm);
}

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

.journey-stage textarea {
    width: 100%;
    min-height: 80px;
    margin-top: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    resize: vertical;
}

.narrative-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   CHARACTERS TAB
   ============================================ */
.characters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.characters-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.character-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.character-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.character-avatar {
    width: 60px;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.character-name {
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.character-role {
    font-size: 0.8rem;
    color: var(--accent-primary);
    text-align: center;
    text-transform: capitalize;
}

/* Character Editor */
.character-editor {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.editor-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.char-name-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.char-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.char-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.char-section textarea {
    width: 100%;
    min-height: 80px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    resize: vertical;
}

.dual-input {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.dual-input label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   WORLD-BUILDING TAB
   ============================================ */
.world-header {
    margin-bottom: var(--spacing-lg);
}

.world-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

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

.world-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.world-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
}

.world-section h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.world-section textarea,
.world-section input[type="text"] {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.world-section textarea {
    resize: vertical;
    min-height: 80px;
}

.tone-sliders {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.slider-group {
    display: flex;
    flex-direction: column;
}

.slider-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.slider-group input[type="range"] {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    appearance: none;
    cursor: pointer;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

/* ============================================
   BEAT SHEET TAB
   ============================================ */
.beats-header {
    margin-bottom: var(--spacing-lg);
}

.beats-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.beats-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.beats-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.beat-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.beat-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--accent-primary);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    flex-shrink: 0;
}

.beat-content {
    flex: 1;
}

.beat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.beat-title {
    font-weight: 600;
}

.beat-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.beat-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.beat-emotions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.emotion-tag {
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ============================================
   VIDEO SCENE WRITER PANEL (Bottom - Always Visible)
   ============================================ */
.scene-writer-panel {
    height: var(--writer-panel-height);
    min-height: 200px;
    max-height: 60vh;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.scene-writer-panel.expanded {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100vh !important;
    max-height: 100vh !important;
    z-index: 2000;
    border-top: none;
}

.panel-resize-handle {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    cursor: ns-resize;
    background: transparent;
    transition: background var(--transition-fast);
}

.panel-resize-handle:hover {
    background: var(--accent-primary);
}

.scene-writer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.scene-writer-header h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
}

.writer-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.writer-controls select {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.85rem;
    min-width: 150px;
}

.scene-writer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.writer-columns {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.writer-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    overflow: hidden;
}

.writer-column:last-child {
    border-right: none;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.column-label {
    font-weight: 600;
    font-size: 0.85rem;
}

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

.writer-column textarea {
    flex: 1;
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    resize: none;
}

.writer-column textarea:focus {
    outline: none;
    background: var(--bg-secondary);
}

.writer-column.visual .column-header {
    border-top: 3px solid #3b82f6;
}

.writer-column.audio .column-header {
    border-top: 3px solid #22c55e;
}

.writer-column.notes .column-header {
    border-top: 3px solid #f59e0b;
}

.writer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.scene-metadata {
    display: flex;
    gap: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
}

.meta-item label {
    color: var(--text-muted);
}

.small-input {
    width: 60px;
    padding: var(--spacing-xs);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: center;
}

.writer-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--border-light);
}

.btn-small {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* ============================================
   FORM ELEMENTS
   ============================================ */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group textarea,
.input-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.input-group textarea:focus,
.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

select {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
}

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

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    text-align: center;
}

.empty-state svg {
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.empty-state span {
    font-size: 0.8rem;
}

.empty-state.large {
    padding: var(--spacing-2xl);
}

.empty-state.large h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.modal-close {
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

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

.settings-section {
    margin-bottom: var(--spacing-lg);
}

.settings-section h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.settings-row {
    margin-bottom: var(--spacing-md);
}

.settings-row label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.settings-row input,
.settings-row select {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
}

.settings-row .hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.settings-row .hint a {
    color: var(--accent-primary);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 20, 25, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

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

.loader {
    text-align: center;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

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

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: calc(var(--writer-panel-height) + var(--spacing-lg));
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1500;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 3px solid var(--accent-success);
}

.toast.error {
    border-left: 3px solid var(--accent-danger);
}

.toast.info {
    border-left: 3px solid var(--accent-primary);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .act-container {
        flex-direction: column;
    }

    .act {
        min-width: auto;
    }
}

@media (max-width: 900px) {
    .scene-browser {
        position: absolute;
        left: 0;
        top: var(--header-height);
        bottom: var(--writer-panel-height);
        z-index: 100;
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .scene-browser.open {
        transform: translateX(0);
    }

    .writer-columns {
        flex-direction: column;
    }

    .writer-column {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        min-height: 150px;
    }

    .writer-column:last-child {
        border-bottom: none;
    }

    .dual-input {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    :root {
        --header-height: 48px;
        --writer-panel-height: 250px;
    }

    .header-left .tagline {
        display: none;
    }

    .header-nav {
        display: none;
    }

    .research-options {
        flex-direction: column;
    }

    .scene-metadata {
        flex-wrap: wrap;
    }

    .writer-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ============================================
   COLLAPSIBLE RESEARCH PANEL
   ============================================ */
.research-collapsed-header {
    display: none;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.research-collapsed-header:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.collapsed-header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.collapsed-header-content:hover {
    background: rgba(255, 255, 255, 0.03);
}

.collapsed-header-content svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.collapsed-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.collapsed-title span {
    font-weight: 400;
    color: var(--text-secondary);
}

.collapsed-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: var(--spacing-sm);
}

.expand-icon {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.collapsed-header-content:hover .expand-icon {
    transform: translateY(2px);
    color: var(--accent-primary);
}

.research-full-content {
    transition: all var(--transition-normal);
}

.research-full-content.hidden {
    display: none;
}

/* Generate All Key Frames button styling */
#generateAllKeyFramesBtn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    font-weight: 600;
}

#generateAllKeyFramesBtn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

#generateAllKeyFramesBtn svg {
    stroke: currentColor;
}

/* ============================================
   TOPIC TAGS
   ============================================ */
.topic-tag {
    display: inline-block;
    padding: 2px 6px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.storyboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================
   SIDEBAR SECTIONS
   ============================================ */
.sidebar-section {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section .section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
}

.sidebar-section.collapsible .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sidebar-section.collapsible .section-header:hover {
    background: var(--bg-elevated);
}

.sidebar-section.collapsible .collapse-icon {
    transition: transform var(--transition-fast);
}

.sidebar-section.collapsible.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.sidebar-section.collapsible.collapsed .section-content {
    display: none;
}

.section-content {
    max-height: 200px;
    overflow-y: auto;
}

/* ============================================
   SCENE BACKLOG
   ============================================ */
.scene-backlog-list {
    padding: var(--spacing-xs);
}

.backlog-item {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: var(--spacing-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.backlog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.backlog-hash {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.backlog-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
}

.backlog-topic {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.backlog-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* ============================================
   PANEL HIDE/SHOW SYSTEM
   ============================================ */

/* Hidden panel state */
.panel-hidden {
    display: none !important;
}

/* Floating show buttons */
.floating-show-btn {
    position: fixed;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.floating-show-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.floating-show-btn.left {
    left: 12px;
    top: calc(var(--header-height) + 12px);
}

.floating-show-btn.top {
    left: 50%;
    top: calc(var(--header-height) + 12px);
    transform: translateX(-50%);
}

.floating-show-btn.top:hover {
    transform: translateX(-50%) scale(1.05);
}

.floating-show-btn.bottom {
    left: 50%;
    bottom: 12px;
    transform: translateX(-50%);
}

.floating-show-btn.bottom:hover {
    transform: translateX(-50%) scale(1.05);
}

.floating-show-btn.center {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.floating-show-btn.center:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

/* Workspace content hidden state */
.workspace-content.panel-hidden {
    display: none;
}

/* Panel header with hide button */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.panel-header-content {
    flex: 1;
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.panel-hide-btn {
    flex-shrink: 0;
    margin-left: var(--spacing-md);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.panel-hide-btn:hover {
    opacity: 1;
    background: var(--bg-tertiary);
}

/* ============================================
   WORLD BUILDING TAB STYLES
   ============================================ */

.world-header {
    margin-bottom: var(--spacing-lg);
}

.world-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.world-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.world-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.world-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.world-section textarea,
.world-section input[type="text"] {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    resize: vertical;
}

/* Tone & Atmosphere Sliders - Fixed Layout */
.tone-sliders {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.slider-group label {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.slider-group .slider-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.slider-group .label-left {
    font-weight: 500;
}

.slider-group .label-right {
    font-weight: 500;
    text-align: right;
}

.slider-group input[type="range"] {
    width: 100%;
    height: 6px;
    margin: var(--spacing-xs) 0;
    background: var(--bg-tertiary);
    border-radius: 3px;
    appearance: none;
    cursor: pointer;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: grab;
    transition: transform var(--transition-fast);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Dual input layout for Time & Place */
.dual-input {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.dual-input label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.dual-input input {
    width: 100%;
}

/* ============================================
   UI POLISH - SCENE BROWSER TEXT
   ============================================ */

.scene-item {
    overflow: hidden;
}

.scene-item-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.scene-item-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* Backlog items text overflow */
.backlog-item {
    overflow: hidden;
}

.backlog-topic {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   UI POLISH - VIDEO SCENE WRITER SPACING
   ============================================ */

.column-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: auto;
    padding-left: var(--spacing-sm);
}

.writer-footer {
    padding: var(--spacing-sm) var(--spacing-md);
}

.writer-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* ============================================
   UI POLISH - STORYBOARD CARDS
   ============================================ */

.storyboard-card-title {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.storyboard-card-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Topic tag styling */
.topic-tag {
    font-size: 0.65rem;
    background: var(--accent-secondary);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   STORYBOARD CARD CONTROLS
   ============================================ */

.storyboard-card {
    position: relative;
    transition: transform var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-fast);
}

.storyboard-card-controls {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.storyboard-card:hover .storyboard-card-controls {
    opacity: 1;
}

.drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    cursor: grab;
    color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.drag-handle:hover {
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-primary);
}

.drag-handle:active {
    cursor: grabbing;
}

.delete-scene-btn {
    width: 24px;
    height: 24px;
    padding: 0;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.delete-scene-btn:hover {
    background: var(--error-color);
    color: white;
}

/* Drag and Drop States */
.storyboard-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.storyboard-card.drag-over {
    outline: 2px dashed var(--accent-primary);
    outline-offset: 4px;
    transform: scale(1.02);
}

/* Scene Library / Backlog Items */
.scene-library-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-bottom: var(--spacing-xs);
    transition: background var(--transition-fast);
}

.scene-library-item:hover {
    background: var(--bg-secondary);
}

.scene-library-item .drag-handle {
    flex-shrink: 0;
}

.scene-library-item-info {
    flex: 1;
    min-width: 0;
}

.scene-library-item-title {
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scene-library-item-topic {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.add-to-storyboard-btn {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    padding: 0;
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
    color: white;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.scene-library-item:hover .add-to-storyboard-btn {
    opacity: 1;
}

/* In-storyboard state */
.scene-library-item.in-storyboard {
    opacity: 0.6;
    background: var(--bg-secondary);
}

.scene-library-item.in-storyboard .add-to-storyboard-btn {
    background: var(--success-color);
    opacity: 1;
}

.scene-library-item.in-storyboard .add-to-storyboard-btn:disabled {
    cursor: default;
}

/* Sidebar info text */
.sidebar-info {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-info p {
    margin: 0;
}

/* Scene library list */
.scene-library-list {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    padding: var(--spacing-sm);
}