:root {
  /* Backgrounds */
  --bg-app: #c8c8c8;
  --bg-panel: rgba(255, 255, 255, 0.88);
  --bg-panel-solid: #ffffff;
  --bg-hover: rgba(0, 0, 0, 0.06);
  --bg-active: rgba(0, 0, 0, 0.12);
  --bg-overlay: rgba(0, 0, 0, 0.5);
  --bg-input: #ffffff;

  /* Text */
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-muted: #888;
  --text-faint: #bbb;
  --text-inverse: #ffffff;

  /* Borders */
  --border: #ddd;
  --border-strong: #333;

  /* Accent */
  --accent: #111;
  --accent-danger: #e05a20;
  --color-danger: #e74c3c;
  --color-error: #c0392b;
  --color-success: #2d6a4f;

  /* Subtle backgrounds */
  --bg-subtle: #f5f5f5;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 99px;

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.35);

  /* Typography */
  --font-xs: 10px;
  --font-sm: 11px;
  --font-caption: 12px;
  --font-base: 13px;
  --font-md: 14px;
  --font-lg: 16px;
  --font-xl: 20px;
  --weight-normal: 500;
  --weight-bold: 700;

  /* Transitions */
  --transition-fast: 0.1s ease;
  --transition-base: 0.18s ease;

  /* Z-index layers */
  --z-panel: 100;
  --z-flyout: 200;
  --z-modal: 1000;
  --z-resume-modal: 2000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    touch-action: none;
    background: var(--bg-app);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
}

/* ============================================
   Dynamic Layer Container
   ============================================ */
#layer-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* Force GPU and disable smoothing */
    image-rendering: pixelated !important;
    image-rendering: -moz-crisp-edges !important;
    image-rendering: crisp-edges !important;
    image-rendering: -webkit-optimize-contrast !important;
    -ms-interpolation-mode: nearest-neighbor !important;

    /* Chrome specific zoom-blur prevention */
    transform-style: preserve-3d;
    backface-visibility: hidden;
    will-change: transform;
}

/* Common styles for all drawing canvases to ensure sharpness */
canvas {
    image-rendering: pixelated !important;
    image-rendering: -moz-crisp-edges !important;
    image-rendering: crisp-edges !important;
    image-rendering: -webkit-optimize-contrast !important;
    -ms-interpolation-mode: nearest-neighbor !important;

    transform-style: preserve-3d;
    backface-visibility: hidden;
}

/* Dynamic drawing layers */
.drawing-layer {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    touch-action: none;
    transform-origin: 0 0;
    pointer-events: none;
    -webkit-tap-highlight-color: transparent;
    will-change: transform;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* ============================================
   Global Reset for Solid Design
   ============================================ */
* {
    border-radius: 0 !important;
}

/* --- Round Exceptions for Brushes --- */
.brush-dot-preview, #brush-size-preview {
    border-radius: 50% !important;
}
/* キャンバス白背景 */
#canvas-background {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #ffffff;
    transform-origin: 0 0;
    z-index: 0;
}

/* 投げ縄用オーバーレイキャンバス */
#lasso-canvas {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    z-index: 175;
}

/* ストロークプレビュー用キャンバス */
#stroke-canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    pointer-events: none;
    z-index: 150;
}

/* 保存範囲選択用オーバーレイキャンバス */
#selection-canvas {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 450;
}

/* 選択ツール オーバーレイ (マーチングアリ + 浮島プレビュー) */
#select-overlay {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 180; /* Above lasso (175) but below event-canvas (200) */
    transform-origin: 0 0;
}

/* イベントキャプチャ用の透明キャンバス (常に最上位) */
#event-canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    touch-action: none;
    transform-origin: 0 0;
    z-index: var(--z-flyout);
    pointer-events: auto;
}

/* ============================================
   Modifier Bar (左下の仮想修飾キー群)
   ============================================ */
#modifier-bar {
    position: fixed;
    left: var(--radius-lg);
    bottom: max(var(--radius-lg), env(safe-area-inset-bottom, var(--radius-lg)));
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: var(--z-flyout);
    pointer-events: none;
}

.mod-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50% !important;
    cursor: pointer;
    padding: 0;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    color: var(--border-strong);
    font-size: var(--font-sm);
    font-weight: var(--weight-bold);
}

.mod-btn:active {
    transform: scale(0.92);
    background: rgba(0, 0, 0, 0.05);
}

/* Remove former small circle */
.mod-btn::before { display: none; }

/* held: 押している間 → 塗りつぶし円 */
.mod-btn.active {
    background: var(--border-strong);
    border-color: var(--border-strong);
    color: var(--text-inverse);
}

/* locked: ダブルタップでロック → 塗りつぶし + 白い中心点 */
.mod-btn.locked {
    background: var(--border-strong);
    border-color: var(--border-strong);
    color: var(--text-inverse);
}

.mod-btn.locked::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50% !important;
    background: var(--text-inverse);
    pointer-events: none;
}

/* フィードバックリング: 押下時に大きく広がる円 */
.mod-btn-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-strong);
    border-radius: 50% !important;
    pointer-events: none;

    /* 初期状態 */
    transform: scale(1);
    opacity: 0;

    /* 離した時の戻りアニメーション */
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

.mod-btn.active .mod-btn-ring {
    /* 押した時の広がりアニメーション (CSS Transitionで制御) */
    transform: scale(2.8);
    opacity: 0.4;
    border-width: 1px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease-out;
}

/* ============================================
   Left Toolbar (Layer Panel + Tool Panel)
   ============================================ */
#toolbar-left {
    position: fixed;
    left: 0;
    bottom: 0;
    top: 0; /* 画面上端から下端まで繋げる or 中段に浮かせるかは好みだが、一旦浮かせる */
    height: fit-content;
    margin-top: auto;
    margin-bottom: auto;
    display: flex;
    flex-direction: column;
    z-index: var(--z-flyout);
    padding: var(--space-2) 6px var(--space-2) var(--space-2); /* コンパクト化 */
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-right: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 4px 0 16px rgba(0, 0, 0, 0.05);
}

/* Layer Panel — right side, vertically centered */
#layer-panel {
    position: fixed;
    right: var(--radius-lg);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    z-index: var(--z-flyout);
    padding: var(--space-2) var(--space-1);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

#layer-buttons {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-1);
}

.layer-btn {
    width: 48px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--text-muted);
    /* Gray inactive border */
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: var(--weight-bold);
    color: var(--border-strong);
    cursor: pointer;
    transition: all 0.15s;
    overflow: visible;
    /* Extended indicator */
}

.layer-btn:active {
    transform: scale(0.92);
}

.layer-btn.active {
    border: 1px solid #000;
    background: var(--bg-panel-solid);
    border-radius: var(--radius-sm);
    transform: translateX(5px); /* 右にシフト */
}

.layer-btn.active::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 100%; /* 右側に伸びる */
    bottom: -1px;
    width: 20px;
    background: #000;
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
}

/* 展開インジケーター — 右黒帯の中に ‹ */
.layer-btn.active::after {
    content: '‹';
    position: absolute;
    left: calc(100% + 3px);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-base);
    color: var(--text-inverse);
    line-height: 1;
    pointer-events: none;
}

.layer-btn.hidden-layer {
    opacity: 0.6 !important;
    text-decoration: line-through;
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 4px,
            rgba(0, 0, 0, 0.1) 4px,
            rgba(0, 0, 0, 0.1) 8px);
}



.layer-add-btn {
    width: 48px;
    height: 32px;
    border-radius: var(--radius-md);
    border: 2px dashed var(--text-muted);
    /* Gray inactive border */
    /* Light blue */
    background: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xl);
    color: var(--text-secondary);
    /* Gray text */
    cursor: pointer;
    transition: all 0.15s;
}

.layer-add-btn:hover {
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.8);
}

.layer-add-btn:active {
    transform: scale(0.92);
}



/* Tool Panel — 3 mode buttons, compact */
#tool-panel, #aux-panel {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: var(--space-2);
}

#tool-panel .mode-btn {
    width: 36px;
    height: 36px;
}

#aux-panel .tool-btn {
    width: 36px;
    height: 36px;
}

/* ============================================
   Mode Buttons (3-mode architecture)
   ============================================ */
.mode-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
}

.mode-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateX(2px);
}

.mode-btn:active {
    transform: scale(0.94);
    background: rgba(0, 0, 0, 0.05);
}

.mode-btn.active {
    border: 1px solid #000;
    background: var(--bg-panel-solid);
    transform: translateX(-5px);
}

.mode-btn.active::before {
    content: '';
    position: absolute;
    top: -1px;
    right: 100%;
    bottom: -1px;
    width: 30px;
    background: #000;
    z-index: 10;
}



.mode-btn .hold-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: #000;
    pointer-events: none;
    z-index: 12;
}

@keyframes hold-fill {
    from { width: 0; }
    to { width: 100%; }
}

/* ============================================
   Flyout Sub-tool Menu
   ============================================ */
.flyout-menu {
    position: fixed;
    background: var(--bg-panel);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.15);
    padding: 2px;
    display: flex;
    flex-direction: row;
    gap: 2px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    z-index: var(--z-flyout);
    pointer-events: none;
}

.flyout-menu.hidden {
    display: none;
}
/* ============================================
   Tool Buttons
   ============================================ */
.tool-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateX(2px);
}

.tool-btn:active {
    transform: scale(0.94);
    background: rgba(0, 0, 0, 0.05);
}

.tool-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tool-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    pointer-events: none;
}

.tool-btn.active {
    border: 1px solid #000;
    /* Keep border, remove thick left */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: var(--radius-sm);
    transform: translateX(-5px);
    /* Move left */
}

.tool-btn.active::before {
    content: '';
    position: absolute;
    top: -1px;
    right: 100%;
    bottom: -1px;
    width: 30px; /* 画面端まで届くように長さを確保 */
    background: #000;
    z-index: 10;
}

/* トーンツールの展開インジケーター — 塗りモード+tone時 */
#mode-fill.active.tone-active::after {
    content: '›';
    position: absolute;
    right: calc(100% + 3px);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-base);
    color: var(--text-inverse);
    line-height: 1;
    pointer-events: none;
}
/* ============================================
   Tool Menus (Long Press Popovers)
   ============================================ */
.tool-menu {
    position: fixed;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 140px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    z-index: var(--z-flyout);
}

.tool-menu.hidden {
    display: none;
}



.tool-menu .menu-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 14px;
    border-radius: 0px;
    font-size: var(--font-base);
    font-weight: var(--weight-normal);
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.tool-menu .menu-item:active {
    background: var(--bg-active);
}



.tool-menu .menu-item img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.tool-menu .menu-item svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* Active tool in menu */
.tool-menu .menu-item.active {
    border: 1px solid var(--border-strong);
    border-radius: 6px;
}



/* Horizontal Layer Menu */
.layer-menu-horizontal {
    flex-direction: row;
    align-items: center;
    padding: 6px 10px;
    gap: var(--space-2);
}

.layer-menu-horizontal #layerOpacitySlider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 2px;
}

.layer-menu-horizontal #layerOpacitySlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--border-strong);
    border-radius: 50%;
    cursor: pointer;
}




.layer-menu-horizontal .menu-item {
    padding: 6px;
}

.layer-menu-horizontal .menu-item svg {
    width: 20px;
    height: 20px;
}

.layer-visible-toggle.hidden-state svg {
    opacity: 0.3;
}

.layer-delete.danger {
    color: var(--color-danger);
}

.layer-delete.danger svg {
    stroke: var(--color-danger);
}

.layer-delete.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* ============================================
   Right Toolbar (Text-based Minimal Header)
   ============================================ */
#toolbar-right {
    position: fixed;
    right: var(--radius-lg);
    top: max(var(--radius-lg), env(safe-area-inset-top));
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4); /* Spaced out labels */
    z-index: var(--z-flyout);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.header-btn {
    font-size: var(--font-sm);
    font-weight: var(--weight-bold);
    letter-spacing: 0.12em;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    padding: var(--space-1) 6px;
    position: relative;
    opacity: 0.8;
}

.header-btn:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.header-btn:active {
    transform: translateY(0) scale(0.96);
}

.header-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 6px;
    right: 6px;
    height: 1px;
    background: #000;
    transform: scaleX(0);
    transition: transform 0.2s;
}

.header-btn:hover::after {
    transform: scaleX(1);
}
/* ============================================
   Brush Size Slider
   ============================================ */
#size-slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: var(--space-2) var(--space-1);
    margin-bottom: var(--space-2);
    width: 36px;
    transition: opacity 0.2s;
}

#size-slider-container.disabled {
    opacity: 0.3;
    pointer-events: none;
}

#size-slider-container.disabled #brushSize {
    background: var(--text-muted);
    /* Inactive track color */
}

#size-slider-container.disabled #brushSize::-webkit-slider-thumb {
    background: var(--text-muted);
    /* Inactive thumb color */
}

#brushSize {
    -webkit-appearance: none;
    appearance: none;
    width: 96px;
    height: 3px;
    /* Track width 3px */
    background: #000;
    /* Track color Black */
    border-radius: 0;
    /* No radius */
    transform: rotate(-90deg);
    transform-origin: center center;
    margin: 46px 0;
}

#brushSize::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    /* 回転済み: CSS width = 視覚上の高さ, CSS height = 視覚上の幅 */
    width: 28px;
    height: 28px;
    background: var(--bg-panel-solid);
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}



#sizeDisplay {
    font-size: var(--font-md);
    font-weight: var(--weight-bold);
    color: var(--border-strong);
    color: var(--border-strong);
    background: transparent;
    /* Remove background */
    padding: 0;
    /* Remove padding */
    border-radius: 0;
    min-width: unset;
    /* Allow fit content */
    text-align: center;
}

#brush-palette {
    transition: opacity 0.2s, filter 0.2s;
}

#brush-palette.disabled {
    opacity: 0.3;
    pointer-events: none;
    filter: grayscale(100%);
}

/* ============================================
   Zoom Reset Button
   ============================================ */
#resetZoomBtn {
    display: none;
    position: fixed;
    bottom: max(var(--radius-lg), env(safe-area-inset-bottom, var(--radius-lg)));
    right: max(var(--radius-lg), env(safe-area-inset-right, var(--radius-lg)));
    width: 44px;
    height: 44px;
    border-radius: 50% !important;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.8);
    z-index: var(--z-flyout);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--border-strong);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

#resetZoomBtn:active {
    transform: scale(0.92);
    background: rgba(0, 0, 0, 0.05);
}

#resetZoomBtn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}



#resetZoomBtn.visible {
    display: flex;
}

/* ============================================
   Save UI
   ============================================ */
#flash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-panel-solid);
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    transition: opacity var(--transition-fast) ease-out;
}

#save-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-flyout);
}

#save-ui {
    display: none;
    position: fixed;
    top: 72px;
    right: var(--space-5);
    width: 260px;
    z-index: 401;
    transition: opacity 0.2s;
}

#save-body {
    padding: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#selection-size {
    text-align: center;
}

#save-ui.hidden-during-selection {
    opacity: 0;
    pointer-events: none;
}



.transparent-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--radius-lg);
    font-size: var(--font-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0.05em;
    margin: 20px 0 32px 0;
    color: var(--text-primary);
    cursor: pointer;
}

#save-ui input[type="checkbox"] {
    width: 14px;
    height: 14px;
    border: 1px solid #000;
    appearance: none;
    cursor: pointer;
    position: relative;
    outline: none;
}

#save-ui input[type="checkbox"]:checked {
    background: #000;
}

#save-ui input[type="checkbox"]:checked::after {
    content: '✓';
    color: var(--text-inverse);
    font-size: var(--font-xs);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.option-group {
    margin-bottom: var(--space-5);
    text-align: left;
}

.option-group-label {
    font-size: 9px;
    font-weight: 800;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
    letter-spacing: 0.1em;
}

.option-buttons {
    display: flex;
    gap: 6px;
    justify-content: flex-start;
}

.option-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: var(--bg-panel-solid);
    font-size: var(--font-xs);
    font-weight: var(--weight-bold);
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: 0.05em;
}

.option-btn:hover {
    border-color: #000;
}

.option-btn.active {
    background: #000;
    color: var(--text-inverse);
    border-color: #000;
}

.save-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.save-btn {
    padding: var(--radius-lg) var(--space-4);
    border: 1px solid #000;
    background: var(--bg-panel-solid);
    font-size: var(--font-sm);
    font-weight: var(--weight-bold);
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s;
}

.save-btn.primary {
    background: #000;
    color: var(--text-inverse);
    grid-column: span 2;
}
.save-btn:active {
    background: var(--bg-subtle);
}

.save-btn.primary:active {
    background: var(--border-strong);
}



/* Selection Canvas */
#selection-canvas {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 399;
}




/* ============================================
   Credit Button & Modal
   ============================================ */
#credit-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

#credit-modal.hidden {
    display: none;
}

#credit-content {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-6) 32px;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    min-width: 280px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.credit-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--radius-lg);
    font-size: var(--font-base);
    gap: var(--space-6);
}

.credit-key {
    color: var(--text-secondary);
    font-weight: var(--weight-normal);
    white-space: nowrap;
}

.credit-val {
    color: #000;
    text-decoration: none;
    font-weight: var(--weight-bold);
    text-align: right;
}

a.credit-val:hover {
    text-decoration: underline;
}

.credit-divider {
    border: none;
    border-top: 1px solid #eee;
    margin: 16px 0;
}

.credit-manual-link {
    color: #000;
    text-decoration: underline;
    font-weight: var(--weight-bold);
}

.credit-manual-link:hover {
    opacity: 0.7;
}

/* ============================================
   Tone Menu
   ============================================ */
.tone-menu {
    position: fixed;
    left: 70px;
    /* Right of the toolbar */
    bottom: 80px;
    /* Above bottom area, aligned with tool buttons approx */
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0;
    /* Remove global padding so tone-items can control width precisely */
    display: flex;
    flex-direction: column;
    width: 240px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    z-index: 290;
    max-height: 55vh;
    transition: opacity 0.2s;
}

.tone-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--radius-lg);
    border-bottom: 1px solid var(--border);
    background: var(--bg-subtle);
    font-weight: var(--weight-bold);
    font-size: var(--font-caption);
    color: var(--border-strong);
    border-radius: 8px 8px 0 0;
}

#tone-menu-close {
    background: none;
    border: none;
    font-size: var(--font-lg);
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0 2px;
}

#tone-menu-close:hover {
    color: var(--border-strong);
}

.tone-tabs {
    display: flex;
    padding: 0 var(--space-2);
    gap: 2px;
    border-bottom: 1px solid #e8e8e8;
}

.tone-tab {
    flex: 1;
    padding: 5px 0;
    font-size: var(--font-caption);
    font-weight: var(--weight-bold);
    letter-spacing: 0.08em;
    text-align: center;
    cursor: pointer;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-faint);
    margin-bottom: -1px;
    transition: color 0.15s, border-color 0.15s;
    border-radius: 0;
}

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

.tone-tab:hover:not(.active) {
    color: var(--text-secondary);
    background: var(--bg-subtle);
}

.tone-items {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    overflow-y: auto;
    padding: 4px 14px 12px 14px;
    /* 14px horizontal padding: 2×14 + 4×48px + 3×6px = 238px (240px - 2px border) */
}

.tone-menu-pin,
.settings-pin-btn {
    width: 14px;
    height: 14px;
    background: var(--bg-panel-solid);
    border: 1px solid var(--text-muted);
    border-radius: 50% !important;
    /* Circle - override global reset */
    cursor: pointer;
    transition: all 0.2s;
}

.tone-menu-pin.active,
.settings-pin-btn.active {
    background: var(--border-strong);
    /* Dark circle when active */
}

.settings-pin-btn:hover {
    transform: scale(1.2);
}

.tone-menu.hidden {
    display: none;
}

.tone-menu.tone-inactive .tone-items,
.tone-menu.tone-inactive .tone-tabs {
    opacity: 0.35;
    pointer-events: none;
}

.tone-item {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-md);
    font-weight: var(--weight-bold);
    cursor: pointer;
    background: var(--bg-panel-solid);
    color: var(--border-strong);
    transition: all var(--transition-fast);
}

.tone-item:hover {
    background: var(--bg-subtle);
    border-color: var(--text-muted);
}

.tone-item:active {
    transform: scale(0.95);
}

.tone-item.active {
    border: 2px solid #000;
    background: var(--bg-panel-solid);
}

/* ============================================
   Confirm Modal
   ============================================ */
#confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    animation: resume-fade-in 0.15s ease;
}

#confirm-modal.hidden {
    display: none;
}

#confirm-content {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    width: 320px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

#confirm-message {
    font-size: var(--font-md);
    color: var(--border-strong);
    margin-bottom: var(--space-5);
    line-height: 1.6;
    white-space: pre-wrap;
}

.confirm-buttons {
    display: flex;
    gap: var(--radius-lg);
    justify-content: center;
}

.confirm-buttons button {
    padding: 10px var(--space-6);
    border: 1px solid var(--border-strong);
    background: var(--bg-panel-solid);
    border-radius: var(--radius-md);
    font-size: var(--font-md);
    font-weight: var(--weight-bold);
    cursor: pointer;
    min-width: 100px;
    transition: transform var(--transition-fast);
}

.confirm-buttons button.primary {
    background: var(--border-strong);
    color: var(--text-inverse);
}

.confirm-buttons button:active {
    transform: scale(0.96);
}

/* ============================================
   Toast Notifications
   ============================================ */
#toast-container {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    z-index: 3000;
    pointer-events: none;
    width: 100%;
    max-width: 360px;
}

.toast {
    background: var(--accent);
    color: var(--text-inverse);
    padding: 10px var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    max-width: 320px;
    width: fit-content;
    text-align: center;
    box-shadow: var(--shadow-md);
    animation: toast-in 0.2s ease;
    pointer-events: auto;
    line-height: 1.5;
}

.toast-error   { background: var(--color-error); }
.toast-warning { background: var(--accent-danger); }
.toast-success { background: var(--color-success); }

.toast-exit {
    animation: toast-out 0.25s ease forwards;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-8px); }
}

/* ============================================
   Resume Modal
   ============================================ */
#resume-modal {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-resume-modal);
    animation: resume-fade-in var(--transition-fast);
}

#resume-modal.hidden {
    display: none;
}

@keyframes resume-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

#resume-content {
    background: var(--bg-panel-solid);
    border-radius: 16px;
    width: 300px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: resume-slide-up var(--transition-base);
}

@keyframes resume-slide-up {
    from { transform: translateY(12px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

#resume-thumbnail-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--bg-subtle);
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid #e8e8e8;
}

#resume-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

#resume-thumbnail-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-faint);
    font-size: var(--font-base);
}

#resume-info {
    padding: 14px 18px 6px;
}

.resume-badge {
    display: inline-block;
    background: var(--accent-danger);
    color: var(--text-inverse);
    font-size: var(--font-xs);
    font-weight: var(--weight-bold);
    padding: 2px var(--space-2);
    border-radius: var(--radius-pill);
    margin-bottom: 6px;
    letter-spacing: 0.03em;
}

#resume-title {
    font-size: var(--font-md);
    font-weight: var(--weight-bold);
    color: var(--accent);
    margin: 0 0 3px;
}

#resume-date {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin: 0;
}

.resume-buttons {
    display: flex;
    gap: var(--space-2);
    padding: 14px 18px 18px;
}

.resume-buttons button {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    font-weight: var(--weight-bold);
    cursor: pointer;
    background: var(--bg-panel-solid);
    color: var(--text-secondary);
    transition: opacity var(--transition-fast);
}

.resume-buttons button:active {
    opacity: 0.7;
}

.resume-buttons button.primary {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}

/* ============================================
   Brush Palette
   ============================================ */
#brush-palette {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 2px;
    padding: 2px 0;
}

.brush-slot {
    position: relative;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    background: var(--bg-panel-solid);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.1s, border-color 0.1s, box-shadow 0.1s;
    overflow: visible;
}

.brush-slot:active {
    transform: scale(0.9);
}

.brush-slot.active {
    border: 1px solid #000;
    box-shadow: 0 0 0 1px #000;
    transform: translateX(-5px);
}

.brush-slot.active::before {
    content: '';
    position: absolute;
    top: -1px;
    right: 100%;
    bottom: -1px;
    width: 20px;
    background: #000;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
}

/* 展開インジケーター — 左黒帯の中に › */
.brush-slot.active::after {
    content: '›';
    position: absolute;
    right: calc(100% + 3px);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-base);
    color: var(--text-inverse);
    line-height: 1;
    pointer-events: none;
}

.brush-swatch {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.brush-dot-preview {
    background-color: #000;
    border-radius: 50% !important;
    flex-shrink: 0;
    transition: width 0.1s, height 0.1s;
}
/* 塗り・消しゴムスロットのサブツールアイコン */
.slot-subtool-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    display: block;
    pointer-events: none;
}

/* ペンスロット右上のサブツールバッジ */
.pen-slot-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 11px;
    height: 11px;
    opacity: 0.5;
}

/* ============================================
   Settings Panel (右上歯車ボタン)
   ============================================ */
#settings-panel {
    position: fixed;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    z-index: var(--z-flyout);
    width: 260px;
    font-size: var(--font-base);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
}

#settings-panel.hidden { display: none; }

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--radius-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--border-strong);
    margin-bottom: 10px;
}

.panel-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-lg);
    color: var(--text-muted);
    padding: 0 2px;
    line-height: 1;
}

.panel-close:hover {
    color: #000;
}

#settings-body {
    padding: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.settings-section-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

#bg-color-swatches {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.bg-color-swatch {
    width: 28px;
    height: 28px;
    border: 1.5px solid rgba(0, 0, 0, 0.18);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.bg-color-swatch:active {
    transform: scale(0.88);
}

.bg-color-swatch.active {
    border-color: #000;
    border-width: 2px;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.25);
}

/* ============================================
   Brush Settings Panel
   ============================================ */
#brush-settings-panel,
#fill-settings-panel,
#eraser-settings-panel,
#shape-settings-panel {
    position: fixed;
    left: 72px;
    bottom: max(var(--radius-lg), env(safe-area-inset-bottom));
    width: 240px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    z-index: var(--z-flyout);
    font-size: var(--font-base);
}

#brush-settings-panel.hidden,
#fill-settings-panel.hidden,
#eraser-settings-panel.hidden,
#shape-settings-panel.hidden {
    display: none;
}

#shape-preview-float {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 9000;
    pointer-events: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    background: rgba(245, 245, 247, 0.78);
    border: 1px solid rgba(0, 0, 0, 0.15);
}

#shape-preview-float.hidden {
    display: none;
}

#sh-preview-canvas {
    display: block;
}

#brush-settings-header,
#fill-settings-header,
#eraser-settings-header,
#shape-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--radius-lg);
    border-bottom: 1px solid var(--border);
    background: var(--bg-subtle);
    font-weight: var(--weight-bold);
    font-size: var(--font-caption);
    color: var(--border-strong);
}

#brush-settings-close,
#fill-settings-close,
#eraser-settings-close,
#shape-settings-close {
    background: none;
    border: none;
    font-size: var(--font-lg);
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0 4px;
}

#brush-settings-body,
#fill-settings-body,
#eraser-settings-body,
#shape-settings-body {
    padding: 10px var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.bs-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.settings-select-row {
    margin: 0 var(--space-4) var(--space-3);
}

.settings-select-row--divided {
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-strong);
}

.settings-select-row label {
    font-size: var(--font-caption);
    color: var(--text-muted);
}

#canvas-size-select,
#lang-select {
    background: transparent;
    color: inherit;
    border: 1px solid var(--border-strong);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-caption);
}

#canvas-size-select {
    width: 100%;
}

#resetConfigBtn {
    color: var(--color-danger);
}

.icon-dark {
    filter: brightness(0);
}

.bs-row.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.bs-toggle-label.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.bs-row label {
    font-size: var(--font-caption);
    color: var(--text-secondary);
    flex-shrink: 0;
    min-width: 72px;
}

.bs-row input[type="text"],
.bs-row select {
    flex: 1;
    padding: 3px 6px;
    border: 1px solid var(--border);
    font-size: var(--font-caption);
    background: var(--bg-panel-solid);
    min-width: 0;
    -webkit-user-select: text;
    user-select: text;
}

.bs-row input[type="range"] {
    flex: 1;
    min-width: 0;
    /* タッチ領域を広げるため高さを確保（見た目のトラックは accent-color で制御） */
    height: 28px;
    accent-color: var(--border-strong);
    cursor: pointer;
    /* WebKit: サム(つまみ)を大きくして掴みやすく */
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}

.bs-row input[type="range"]::-webkit-slider-runnable-track {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
}

.bs-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--border-strong);
    margin-top: -7.5px; /* (18px - 3px) / 2 を上にオフセット */
    cursor: pointer;
}

.bs-row input[type="range"]::-moz-range-track {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
}

.bs-row input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--border-strong);
    border: none;
    cursor: pointer;
}

.bs-row input[type="color"] {
    width: 40px;
    height: 28px;
    border: 1px solid var(--border);
    padding: 0;
    cursor: pointer;
}

.bs-toggles {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
}

.bs-toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-caption);
    color: var(--text-primary);
    cursor: pointer;
    min-width: unset !important;
}

.bs-toggle-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
}

/* ============================================
   Selection Tool
   ============================================ */
#select-overlay {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 395; /* Above canvas, below toolbars */
}

#select-toolbar {
    position: fixed;
    /* Position below the main tool panel */
    top: 15px;
    left: 80px;
    display: flex;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    z-index: var(--z-flyout);
    transition: opacity 0.2s, transform 0.2s;
    border: 1px solid rgba(0,0,0,0.1);
}

#select-toolbar.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
}

.sel-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--border-strong);
    transition: background var(--transition-fast);
}

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

.sel-btn:active {
    background: var(--bg-active);
    transform: scale(0.95);
}

.sel-btn svg {
    width: 20px;
    height: 20px;
}

.sel-btn-danger {
    color: var(--color-danger);
}

.sel-btn-danger:hover {
    background: rgba(255, 71, 87, 0.1);
}

/* UI transparency during canvas interactions */
.ui-faded {
    opacity: 0.25 !important;
}

body.is-drawing-active #toolbar-left,
body.is-drawing-active #toolbar-right,
body.is-drawing-active #modifier-bar,
body.is-drawing-active #layer-panel,
body.is-drawing-active #select-toolbar,
body.is-drawing-active #resetZoomBtn,
body.is-drawing-active .tool-menu,
body.is-drawing-active .flyout-menu,
body.is-drawing-active #fill-settings-panel,
body.is-drawing-active #eraser-settings-panel,
body.is-drawing-active #brush-settings-panel,
body.is-drawing-active #shape-settings-panel {
    pointer-events: none !important;
    transition: opacity 0.2s ease-out;
}

/* ============================================
   HUD Notification Overlay
   ============================================ */
#hud-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-inverse);
    padding: var(--space-4) 32px;
    font-size: var(--font-xl);
    font-weight: var(--weight-bold);
    letter-spacing: 0.1em;
    z-index: 10000;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#hud-container.visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

#hud-container:not(.visible) {
    transform: translate(-50%, -50%) scale(0.95);
}