/* Line Art Colorizer - scoped for Kridopia */
#game #lac-root {
  --lac-primary: var(--dk-blue, #2f7dff);
  --lac-ink: var(--dk-ink, #14213d);
  --lac-ink-2: var(--dk-ink-2, #2b3a67);
  --lac-surface: #ffffff;
  --lac-muted: #f4f7fc;
  --lac-border: var(--dk-stroke, rgba(20,33,61,.12));
  --lac-radius: 16px;
  --lac-shadow: var(--dk-shadow, 0 14px 40px rgba(15,23,42,.10));
  --primary: var(--lac-primary);
  --text-dark: var(--lac-ink);
  --text-medium: var(--lac-ink-2);
  --text-light: #64748b;
  --bg-white: var(--lac-surface);
  --bg-light: var(--lac-muted);
  --border-color: var(--lac-border);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;
  --shadow-lg: var(--lac-shadow);
  --transition: all 0.2s ease;
  box-sizing: border-box;
  width: 100%;
  min-height: 680px;
  font-family: "Nunito", Arial, sans-serif;
  color: var(--lac-ink);
}

#game #lac-root *, #game #lac-root *::before, #game #lac-root *::after {
    box-sizing: border-box;
}
#game #lac-root .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
#game #lac-root .playground-section {
    padding: 0;
    background: transparent;
}

#game #lac-root .playground-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: 16px;
}

#game #lac-root .playground-title {
    font-family: 'Poppins', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

/* Tabs */
#game #lac-root .playground-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--bg-white);
    padding: 6px;
    border-radius: var(--radius-lg);
    width: fit-content;
    border: 1px solid var(--border-color);
}

#game #lac-root .tab {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-medium);
    transition: var(--transition);
}

#game #lac-root .tab:hover {
    color: var(--text-dark);
    background: var(--bg-light);
}

#game #lac-root .tab.active {
    background: var(--text-dark);
    color: #fff;
}

/* Coloring Interface */
#game #lac-root .coloring-interface {
    display: flex;
    flex-direction: column;
    background: var(--lac-chrome-surface, var(--bg-white));
    color: var(--lac-chrome-text, var(--lac-ink));
    border-radius: var(--radius-xl);
    box-shadow: var(--lac-shadow-themed, var(--shadow-lg));
    overflow: hidden;
    border: 1px solid var(--border-color);
}

#game #lac-root .coloring-interface .toolbar,
#game #lac-root .coloring-interface .pdf-page-nav {
    flex-shrink: 0;
    position: relative;
    z-index: 3;
}

/* DB coloring pages: no starter-sketch gallery */
#game #lac-root.lac-root--coloring-page .demo-gallery {
    display: none !important;
}

/* Toolbar — readable labels + comfortable tap targets (still wraps on narrow screens) */
#game #lac-root .toolbar {
    display: flex;
    align-items: center;
    align-content: center;
    gap: 6px 8px;
    padding: 8px 12px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    row-gap: 6px;
}

#game #lac-root .tool-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

#game #lac-root .tool-btn {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-height: 40px;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    color: var(--text-medium);
    font-size: 11px;
    font-weight: 600;
    transition: var(--transition);
    line-height: 1.2;
    white-space: nowrap;
}

#game #lac-root .tool-btn:hover {
    background: var(--bg-white);
    color: var(--text-dark);
}

#game #lac-root .tool-btn.active {
    background: var(--text-dark);
    color: #fff;
}

#game #lac-root .tool-btn svg {
    transition: var(--transition);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

#game #lac-root .tool-divider {
    width: 1px;
    height: 28px;
    align-self: center;
    background: var(--border-color);
    flex-shrink: 0;
}

/* Toolbar color picker trigger */
#game #lac-root .lac-color-tool-group {
    margin-right: 6px;
}

#game #lac-root .lac-color-open-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    transition: var(--transition);
    cursor: pointer;
}

#game #lac-root .lac-color-open-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 125, 255, 0.15);
}

#game #lac-root .lac-color-swatch {
    width: 26px;
    height: 26px;
    border-radius: 7px;
    border: 2px solid rgba(20, 33, 61, 0.15);
    flex-shrink: 0;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

#game #lac-root .lac-color-open-label {
    white-space: nowrap;
}

#game #lac-root .brush-settings {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 8px;
}

#game #lac-root .setting-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-medium);
    white-space: nowrap;
}

#game #lac-root .brush-size-slider {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: var(--radius-full);
    outline: none;
}

#game #lac-root .brush-size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

#game #lac-root .brush-size-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

#game #lac-root .size-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
    min-width: 24px;
}

/* Canvas Area */
#game #lac-root .canvas-area {
    display: grid;
    grid-template-columns: 200px 1fr;
    grid-template-rows: 1fr;
    align-items: stretch;
    min-height: 520px;
}

#game #lac-root .canvas-area--full {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    padding-top: 4px;
}

/* Color Panel */
#game #lac-root .color-panel {
    padding: 20px;
    background: #FAFBFC;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

#game #lac-root .current-color-section {
    margin-bottom: 20px;
}

#game #lac-root .current-color-section label,
#game #lac-root .color-palette label,
#game #lac-root .tolerance-section label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#game #lac-root .color-display {
    display: flex;
    gap: 8px;
    align-items: center;
}

#game #lac-root .color-preview {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

#game #lac-root .color-hex-input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: var(--text-dark);
    text-transform: uppercase;
}

#game #lac-root .native-color-picker {
    width: 100%;
    height: 36px;
    margin-top: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
}

#game #lac-root .color-palette {
    margin-bottom: 20px;
}

#game #lac-root .palette-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

#game #lac-root .palette-color {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

#game #lac-root .palette-color:hover {
    transform: scale(1.1);
    border-color: var(--text-dark);
}

#game #lac-root .palette-color.active {
    border-color: var(--text-dark);
    box-shadow: 0 0 0 2px var(--bg-white), 0 0 0 4px var(--text-dark);
}

#game #lac-root .tolerance-section {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

#game #lac-root .tolerance-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: var(--radius-full);
    outline: none;
}

#game #lac-root .tolerance-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

#game #lac-root .tolerance-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

#game #lac-root .tolerance-display {
    display: block;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-medium);
    margin-top: 4px;
}

/* Canvas Container — default (wide / desktop). Mobile overrides below. */
#game #lac-root .canvas-container {
    position: relative;
    background: var(--lac-canvas-bg, #e8ecf1);
    width: 100%;
    min-height: min(62vh, 640px);
    max-height: min(calc(100svh - 140px), 88vh, 960px);
    flex: 1 1 auto;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-x pan-y;
    text-align: center;
}

#game #lac-root .canvas-container:not(.lac-zoomed) {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

@media (min-width: 769px) {
    #game #lac-root .canvas-area--full .canvas-container {
        min-height: min(68vh, 720px);
        max-height: min(calc(100svh - 100px), 90vh, 980px);
    }
    #game #lac-root .canvas-area--full .canvas-container.lac-zoomed {
        max-height: min(calc(100svh - 88px), 92vh, 1020px);
    }
}

#game #lac-root .upload-area {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 480px;
}

#game #lac-root .upload-zone {
    text-align: center;
    padding: 60px 40px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-white);
    transition: var(--transition);
    cursor: pointer;
    max-width: 400px;
    width: 90%;
}

#game #lac-root .upload-zone:hover,
#game #lac-root .upload-zone.drag-over {
    border-color: var(--primary);
    background: #F0F4FF;
}

#game #lac-root .upload-icon {
    color: var(--primary);
    margin-bottom: 16px;
}

#game #lac-root .upload-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

#game #lac-root .upload-formats {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 20px;
}

#game #lac-root .btn-upload {
    padding: 12px 28px;
    background: var(--text-dark);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

#game #lac-root .btn-upload:hover {
    background: #000;
    transform: translateY(-2px);
}

#game #lac-root .canvas-stage {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    margin: auto;
    max-width: none;
}

#game #lac-root .canvas-container.lac-zoomed {
    display: block;
    max-height: min(calc(100svh - 120px), 90vh, 980px);
    touch-action: pan-x pan-y;
}

#game #lac-root .canvas-container.lac-zoomed .coloring-canvas {
    touch-action: pan-x pan-y;
}

#game #lac-root.lac-is-zoomed .lac-playfield,
#game #lac-root.lac-is-zoomed .coloring-interface {
    overflow: visible;
}

#game #lac-root .canvas-container .canvas-stage {
    margin: 12px auto;
}

#game #lac-root .canvas-container.lac-zoomed .canvas-stage {
    margin: 16px;
}

#game #lac-root .lac-zoom-controls {
    gap: 6px;
}

#game #lac-root .lac-zoom-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 6px 10px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
}

#game #lac-root .coloring-canvas {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    display: block;
    max-width: none;
    max-height: none;
    width: auto;
    height: auto;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    background: #ffffff;
    image-rendering: auto;
}

/* Overlay is for transient brush previews only — must stay transparent and hidden by default */
#game #lac-root .overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    transform: none;
    max-width: none;
    max-height: none;
    border-radius: var(--radius-sm);
    background: transparent;
    pointer-events: none;
    box-shadow: none;
}

#game #lac-root .canvas-stage.has-art .coloring-canvas {
    position: relative;
}

#game #lac-root .canvas-stage.has-art .overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    transform: none;
}

/* Demo Gallery */
#game #lac-root .demo-gallery {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
}

#game #lac-root .gallery-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: 16px;
    text-align: center;
}

#game #lac-root .gallery-grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

#game #lac-root .gallery-grid::-webkit-scrollbar {
    height: 6px;
}

#game #lac-root .gallery-grid::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: var(--radius-full);
}

#game #lac-root .gallery-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}

#game #lac-root .gallery-item {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

#game #lac-root .gallery-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

#game #lac-root .gallery-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 141, 239, 0.2);
}

#game #lac-root .gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}
/* ========================================
   UTILITY CLASSES
   ======================================== */
#game #lac-root .text-center { text-align: center; }
#game #lac-root .hidden { display: none !important; }

/* Canvas Cursor Styles */
#game #lac-root .canvas-container.bucket-tool {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2'%3E%3Cpath d='M19 15l-6-6-8.5 8.5a2.12 2.12 0 103 3L19 15z'/%3E%3Cpath d='M15 9l3-3 3 3-3 3z'/%3E%3C/svg%3E") 0 24, pointer;
}

#game #lac-root .canvas-container.brush-tool {
    cursor: crosshair;
}

#game #lac-root .canvas-container.eraser-tool {
    cursor: crosshair;
}

@media (max-width: 768px) {
    #game #lac-root .toolbar { justify-content: center; }
    #game #lac-root .tool-divider { display: none; }
    #game #lac-root .lac-color-open-label {
        display: none;
    }
}

/* Line art colorizer: do not use fixed Construct aspect-ratio box on mobile */
@media (max-width: 55em) {
    body.dk-game-page #game_container #game.lac-game {
        aspect-ratio: auto !important;
        height: auto !important;
        min-height: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    body.dk-game-page #game_container #game.lac-game #lac-root {
        min-height: 0;
    }
    /* header.php sizes #canvasStage to fill #game — breaks toolbar + canvas layout */
    body.dk-game-page #game_container #game.lac-game #canvasStage {
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        position: relative !important;
        top: auto !important;
        left: auto !important;
    }
    body.dk-game-page #middle_column {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    #game #lac-root .canvas-area--full .canvas-container {
        box-sizing: border-box;
        width: 100%;
        min-height: var(--lac-mobile-slot-h, min(calc(100dvh - var(--lac-mobile-chrome, 200px)), calc(100svh - var(--lac-mobile-chrome, 200px))));
        max-height: var(--lac-mobile-slot-h, min(calc(100dvh - var(--lac-mobile-chrome, 200px)), calc(100svh - var(--lac-mobile-chrome, 200px))));
    }
    body.dk-game-page #game_container #game.lac-game .canvas-area--full .canvas-container.lac-zoomed {
        max-height: var(--lac-mobile-slot-h, min(calc(100dvh - 200px), calc(100svh - 200px)));
    }
}

#game #lac-root .pdf-page-nav {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}
#game #lac-root .pdf-page-nav.visible {
    display: flex;
}
#game #lac-root .pdf-page-nav button {
    padding: 6px 14px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}
#game #lac-root .pdf-page-nav button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
#game #lac-root .pdf-page-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-medium);
}

#game #lac-root *, #game #lac-root *::before, #game #lac-root *::after { box-sizing: border-box; }
body.dk-game-page #game_container #game { height: auto; min-height: 720px; }
body.dk-game-page #game #lac-root .lac-playfield {
    border-radius: var(--dk-radius-lg, 22px);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--lac-shadow-themed, var(--lac-shadow));
}

/* ----- Theme: toolbar + frame follow site --dk-* (light / dark / system). Drawing bitmap stays #fff. ----- */
html[data-dk-theme="light"] #game #lac-root,
html:not([data-dk-theme]) #game #lac-root {
    --lac-chrome-bg: var(--dk-section-bg, rgba(255, 255, 255, 0.7));
    --lac-chrome-surface: var(--dk-game-card-bg, rgba(255, 255, 255, 0.92));
    --lac-chrome-text: var(--dk-ink, #14213d);
    --lac-chrome-muted: var(--dk-ink-2, #2b3a67);
    --lac-canvas-bg: #d8e4f6;
    --lac-upload-bg: var(--dk-glass-94, #ffffff);
    --lac-shadow-themed: var(--dk-shadow, 0 14px 40px rgba(15, 23, 42, 0.1));
    --lac-modal-backdrop: rgba(15, 23, 42, 0.45);
    --lac-modal-close-bg: #f1f5f9;
    --lac-modal-close-fg: #334155;
    --lac-modal-tab-row-bg: #f1f5f9;
    --lac-modal-tab-active-fg: #fff;
    --lac-modal-footer-bg: #f8fafc;
    --lac-modal-panel-bg: var(--dk-modal-surface, #ffffff);
    --lac-modal-divider: var(--dk-modal-divider, rgba(20, 33, 61, 0.1));
    --lac-modal-tab-bg: #ffffff;
    --text-light: #64748b;
    --bg-white: rgba(255, 255, 255, 0.96);
    --bg-light: var(--lac-chrome-bg);
    --text-dark: var(--lac-chrome-text);
    --text-medium: var(--lac-chrome-muted);
}

html[data-dk-theme="dark"] body.dk-game-page #game #lac-root {
    --lac-chrome-bg: var(--dk-section-bg, rgba(28, 26, 44, 0.72));
    --lac-chrome-surface: var(--dk-game-card-bg);
    --lac-chrome-text: var(--dk-ink, #f5f2ff);
    --lac-chrome-muted: var(--dk-ink-2, #c9c2e8);
    --lac-canvas-bg: #0a0814;
    --lac-upload-bg: var(--dk-glass-92, rgba(34, 31, 52, 0.94));
    --lac-shadow-themed: var(--dk-shadow, 0 14px 40px rgba(0, 0, 0, 0.45));
    --lac-modal-backdrop: rgba(0, 0, 0, 0.65);
    --lac-modal-close-bg: rgba(255, 255, 255, 0.1);
    --lac-modal-close-fg: var(--dk-ink, #f5f2ff);
    --lac-modal-tab-row-bg: rgba(255, 255, 255, 0.06);
    --lac-modal-tab-active-fg: #fff;
    --lac-modal-footer-bg: rgba(255, 255, 255, 0.05);
    --lac-modal-panel-bg: var(--dk-modal-surface);
    --lac-modal-divider: var(--dk-modal-divider, rgba(255, 255, 255, 0.1));
    --lac-modal-tab-bg: rgba(255, 255, 255, 0.08);
    --text-light: rgba(201, 194, 232, 0.78);
    --bg-white: rgba(40, 36, 58, 0.96);
    --bg-light: rgba(34, 31, 52, 0.88);
    --text-dark: var(--lac-chrome-text);
    --text-medium: var(--lac-chrome-muted);
}

@media (prefers-color-scheme: dark) {
    html[data-dk-theme="system"] body.dk-game-page #game #lac-root {
        --lac-chrome-bg: var(--dk-section-bg, rgba(28, 26, 44, 0.72));
        --lac-chrome-surface: var(--dk-game-card-bg);
        --lac-chrome-text: var(--dk-ink, #f5f2ff);
        --lac-chrome-muted: var(--dk-ink-2, #c9c2e8);
        --lac-canvas-bg: #0a0814;
        --lac-upload-bg: var(--dk-glass-92, rgba(34, 31, 52, 0.94));
        --lac-shadow-themed: var(--dk-shadow, 0 14px 40px rgba(0, 0, 0, 0.45));
        --lac-modal-backdrop: rgba(0, 0, 0, 0.65);
        --lac-modal-close-bg: rgba(255, 255, 255, 0.1);
        --lac-modal-close-fg: var(--dk-ink, #f5f2ff);
        --lac-modal-tab-row-bg: rgba(255, 255, 255, 0.06);
        --lac-modal-tab-active-fg: #fff;
        --lac-modal-footer-bg: rgba(255, 255, 255, 0.05);
        --lac-modal-panel-bg: var(--dk-modal-surface);
        --lac-modal-divider: var(--dk-modal-divider, rgba(255, 255, 255, 0.1));
        --lac-modal-tab-bg: rgba(255, 255, 255, 0.08);
        --text-light: rgba(201, 194, 232, 0.78);
        --bg-white: rgba(40, 36, 58, 0.96);
        --bg-light: rgba(34, 31, 52, 0.88);
        --text-dark: var(--lac-chrome-text);
        --text-medium: var(--lac-chrome-muted);
    }
}

@media (prefers-color-scheme: light) {
    html[data-dk-theme="system"] body.dk-game-page #game #lac-root {
        --lac-chrome-bg: var(--dk-section-bg, rgba(255, 255, 255, 0.7));
        --lac-chrome-surface: var(--dk-game-card-bg, rgba(255, 255, 255, 0.92));
        --lac-chrome-text: var(--dk-ink, #14213d);
        --lac-chrome-muted: var(--dk-ink-2, #2b3a67);
        --lac-canvas-bg: #d8e4f6;
        --lac-upload-bg: var(--dk-glass-94, #ffffff);
        --lac-shadow-themed: var(--dk-shadow, 0 14px 40px rgba(15, 23, 42, 0.1));
        --lac-modal-backdrop: rgba(15, 23, 42, 0.45);
        --lac-modal-close-bg: #f1f5f9;
        --lac-modal-close-fg: #334155;
        --lac-modal-tab-row-bg: #f1f5f9;
        --lac-modal-tab-active-fg: #fff;
        --lac-modal-footer-bg: #f8fafc;
        --lac-modal-panel-bg: var(--dk-modal-surface, #ffffff);
        --lac-modal-divider: var(--dk-modal-divider, rgba(20, 33, 61, 0.1));
        --lac-modal-tab-bg: #ffffff;
        --text-light: #64748b;
        --bg-white: rgba(255, 255, 255, 0.96);
        --bg-light: var(--lac-chrome-bg);
        --text-dark: var(--lac-chrome-text);
        --text-medium: var(--lac-chrome-muted);
    }
}

#game #lac-root .toolbar,
#game #lac-root .pdf-page-nav,
#game #lac-root .demo-gallery {
    background: var(--lac-chrome-bg, #f8fafc);
    color: var(--lac-chrome-text, #14213d);
}

#game #lac-root .color-panel {
    background: var(--lac-chrome-bg, #fafbfc);
    border-color: var(--lac-border);
}

#game #lac-root .tool-btn {
    color: var(--lac-chrome-muted, #475569);
}

#game #lac-root .tool-btn.active {
    background: var(--lac-primary, #2f7dff);
    color: #fff;
}

#game #lac-root .canvas-container {
    background: var(--lac-canvas-bg, #e8ecf1);
}

#game #lac-root .upload-zone {
    background: var(--lac-upload-bg, #fff);
    color: var(--lac-chrome-text, #14213d);
}

#game #lac-root .upload-formats,
#game #lac-root .gallery-title,
#game #lac-root .setting-label,
#game #lac-root .tolerance-display {
    color: var(--lac-chrome-muted, #64748b);
}

#game #lac-root label {
    color: var(--lac-chrome-muted, #475569);
}

#game #lac-root .color-hex-input {
    background: var(--lac-chrome-surface, #fff);
    color: var(--lac-chrome-text, #14213d);
    border-color: var(--lac-border);
}

#game #lac-root .btn-upload {
    background: var(--lac-primary, #2f7dff);
    color: #fff;
}

#game #lac-root .btn-upload:hover {
    background: color-mix(in srgb, var(--lac-primary, #2f7dff) 82%, #000);
}

/* Preload: hide upload prompt until art loads or fails */
#game #lac-root.lac-root--preload .upload-text,
#game #lac-root.lac-root--preload .upload-formats,
#game #lac-root.lac-root--preload .btn-upload {
    visibility: hidden;
}

#game #lac-root.lac-root--preload .upload-zone::after {
    content: 'Loading coloring page…';
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--lac-chrome-muted, #64748b);
    margin-top: 8px;
}

#game #lac-root.lac-root--loading .upload-icon {
    animation: lac-pulse 1.2s ease-in-out infinite;
}

@keyframes lac-pulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 1; }
}

/* ----- Color picker modal ----- */
#lacColorModal.lac-color-modal {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
}

#lacColorModal.lac-color-modal[hidden] {
    display: none !important;
}

.lac-color-modal-backdrop {
    position: absolute;
    inset: 0;
    background: var(--lac-modal-backdrop, rgba(15, 23, 42, 0.55));
}

.lac-color-modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 440px);
    max-height: min(92vh, 720px);
    display: flex;
    flex-direction: column;
    background: var(--lac-modal-panel-bg, #ffffff);
    border-radius: 18px;
    box-shadow: var(--lac-shadow-themed, 0 24px 60px rgba(15, 23, 42, 0.28));
    overflow: hidden;
    color: var(--lac-chrome-text, #14213d);
}

.lac-color-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--lac-modal-divider, rgba(20, 33, 61, 0.1));
}

.lac-color-modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800;
}

.lac-color-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: var(--lac-modal-close-bg, #f1f5f9);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    color: var(--lac-modal-close-fg, #334155);
}

.lac-color-modal-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 12px 14px 14px;
    border-bottom: 1px solid var(--lac-modal-divider, rgba(20, 33, 61, 0.08));
    background: var(--lac-modal-tab-row-bg, #f8fafc);
    overflow: visible;
    flex-shrink: 0;
}

.lac-color-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--lac-modal-tab-bg, #fff);
    color: var(--lac-chrome-muted, #475569);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    cursor: pointer;
    white-space: normal;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.lac-color-tab:hover {
    border-color: rgba(47, 125, 255, 0.45);
    background: color-mix(in srgb, var(--lac-primary, #2f7dff) 12%, var(--lac-modal-tab-bg, #fff));
}

.lac-color-tab.active {
    background: var(--lac-primary, #2f7dff);
    border-color: var(--lac-primary, #2f7dff);
    color: var(--lac-modal-tab-active-fg, #fff);
    box-shadow: 0 2px 8px rgba(20, 33, 61, 0.18);
}

.lac-color-modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 14px 16px;
    -webkit-overflow-scrolling: touch;
}

.lac-color-panel {
    display: none;
}

.lac-color-panel.active {
    display: block;
}

#lacColorModal .palette-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

#lacColorModal .palette-color {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 10px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    padding: 0;
}

#lacColorModal .palette-color:hover {
    transform: scale(1.08);
}

#lacColorModal .palette-color.active {
    border-color: var(--lac-primary, #2f7dff);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--lac-primary, #2f7dff) 35%, transparent);
}

.lac-color-modal-footer {
    padding: 14px 16px 18px;
    border-top: 1px solid var(--lac-modal-divider, rgba(20, 33, 61, 0.08));
    background: var(--lac-modal-footer-bg, #fafbfc);
}

.lac-color-custom label,
.lac-color-modal-footer .tolerance-section label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--lac-chrome-muted, #64748b);
    margin-bottom: 6px;
}

.lac-color-custom-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 14px;
}

.lac-color-modal-footer .native-color-picker {
    width: 52px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
}

.lac-color-modal-footer .color-hex-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    text-transform: uppercase;
    background: var(--lac-modal-tab-bg, #fff);
    color: var(--lac-chrome-text, #14213d);
}

.lac-color-modal-footer .tolerance-slider {
    width: 100%;
    margin: 6px 0 4px;
}

body.lac-color-modal-open {
    overflow: hidden;
}

@media (min-width: 400px) {
    .lac-color-modal-tabs {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    #lacColorModal .palette-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .lac-color-modal-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
        padding: 10px 12px 12px;
    }

    .lac-color-tab {
        min-height: 38px;
        font-size: 11px;
        padding: 6px 8px;
    }

    .lac-color-modal-panel {
        width: 100%;
        max-height: 94vh;
        border-radius: 16px 16px 0 0;
    }

    #lacColorModal.lac-color-modal {
        align-items: flex-end;
        padding: 0;
    }
}