/* index.css — extracted from inline <style> blocks. Generated by scripts/h1-extract.mjs */
:root {
    --bg: #1a1a1f;
    --panel: #24242c;
    --panel2: #2e2e38;
    --border: #3a3a46;
    --text: #e8e8ef;
    --muted: #8a8a99;
    --accent: #7c5cff;
    --accent2: #5b3dff;
  }
  * { box-sizing: border-box; }
  html, body {
    margin: 0; padding: 0; height: 100%;
    background: var(--bg); color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, sans-serif;
    font-size: 13px;
    overflow: hidden;
    user-select: none;
  }
  .app {
    display: grid;
    grid-template-columns: 220px 1fr 240px;
    grid-template-rows: 44px 1fr 110px;
    grid-template-areas:
      "topbar topbar topbar"
      "tools  canvas right"
      "tools  frames right";
    height: 100vh;
    width: 100vw;
  }
  .topbar {
    grid-area: topbar;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 14px; gap: 10px;
  }
  .topbar h1 {
    font-size: 14px; margin: 0; font-weight: 600;
    color: var(--text); letter-spacing: 0.3px;
  }
  .topbar h1 span { color: var(--accent); }
  .spacer { flex: 1; }
  button, .btn {
    background: var(--panel2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-family: inherit;
    transition: background 0.12s, border-color 0.12s;
  }
  button:hover, .btn:hover { background: #363642; border-color: #4a4a58; }
  button.primary { background: var(--accent); border-color: var(--accent); }
  button.primary:hover { background: var(--accent2); }
  button.active { background: var(--accent); border-color: var(--accent); }
  input[type="number"], input[type="text"], select {
    background: var(--panel2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 5px 8px;
    border-radius: 5px;
    font-family: inherit;
    font-size: 12px;
    outline: none;
  }
  input[type="number"]:focus, input[type="text"]:focus, select:focus {
    border-color: var(--accent);
  }
  input[type="number"] { width: 56px; }

  .tools {
    grid-area: tools;
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 12px;
    overflow-y: auto;
  }
  .section-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--muted);
    margin: 14px 0 8px 0;
    font-weight: 600;
  }
  .section-title:first-child { margin-top: 0; }
  .tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
  }
  .tool-btn {
    aspect-ratio: 1;
    display: flex; align-items: center; justify-content: center;
    padding: 0;
    font-size: 16px;
  }
  .color-row {
    display: flex; gap: 8px; align-items: center; margin-bottom: 8px;
  }
  .current-color {
    width: 36px; height: 36px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    background-image:
      linear-gradient(45deg, #555 25%, transparent 25%),
      linear-gradient(-45deg, #555 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, #555 75%),
      linear-gradient(-45deg, transparent 75%, #555 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  }
  .current-color::after {
    content: '';
    display: block;
    width: 100%; height: 100%;
    background: var(--c, #fff);
  }
  #colorPicker { width: 0; height: 0; opacity: 0; position: absolute; }
  .palette {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 3px;
    margin-top: 6px;
  }
  .swatch {
    aspect-ratio: 1;
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
  }
  .swatch.active { outline: 2px solid var(--accent); outline-offset: 1px; z-index: 1; }
  .palette-controls {
    display: flex; gap: 5px; margin-top: 8px;
  }
  .palette-controls button { flex: 1; padding: 4px; font-size: 11px; }

  .canvas-wrap {
    grid-area: canvas;
    background:
      repeating-linear-gradient(45deg, #1c1c22 0 10px, #1e1e25 10px 20px);
    position: relative;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
  }
  .canvas-stage {
    position: relative;
    box-shadow: 0 0 0 1px #000, 0 20px 60px rgba(0,0,0,0.5);
  }
  canvas.pixel-canvas {
    display: block;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    cursor: crosshair;
  }
  canvas.checker {
    position: absolute; top: 0; left: 0;
    image-rendering: pixelated;
    pointer-events: none;
  }
  canvas.grid-overlay {
    position: absolute; top: 0; left: 0;
    pointer-events: none;
    image-rendering: pixelated;
  }

  .right {
    grid-area: right;
    background: var(--panel);
    border-left: 1px solid var(--border);
    padding: 12px;
    overflow-y: auto;
    display: flex; flex-direction: column;
  }
  .layer-list {
    display: flex; flex-direction: column;
    gap: 4px;
    max-height: 300px;
    overflow-y: auto;
  }
  .layer-item {
    display: flex; align-items: center; gap: 8px;
    background: var(--panel2);
    padding: 6px 8px;
    border-radius: 5px;
    border: 1px solid var(--border);
    cursor: pointer;
  }
  .layer-item.active { border-color: var(--accent); background: #2f2a44; }
  .layer-item .vis {
    width: 18px; height: 18px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-size: 13px;
  }
  .layer-item .name {
    flex: 1;
    font-size: 12px;
    background: transparent;
    border: none;
    color: var(--text);
    padding: 2px;
    outline: none;
  }
  .layer-item .name:focus { background: var(--bg); border-radius: 3px; }
  .layer-item .thumb {
    width: 26px; height: 26px;
    border: 1px solid var(--border);
    image-rendering: pixelated;
    background:
      linear-gradient(45deg, #444 25%, transparent 25%),
      linear-gradient(-45deg, #444 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, #444 75%),
      linear-gradient(-45deg, transparent 75%, #444 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0;
  }
  .layer-controls {
    display: flex; gap: 4px; margin-top: 8px;
  }
  .layer-controls button { flex: 1; padding: 5px; font-size: 11px; }

  .frames {
    grid-area: frames;
    background: var(--panel);
    border-top: 1px solid var(--border);
    padding: 10px 12px;
    display: flex; flex-direction: column;
    overflow: hidden;
  }
  .frames-header {
    display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
  }
  .frames-strip {
    display: flex; gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    flex: 1;
  }
  .frame-item {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border: 2px solid var(--border);
    border-radius: 5px;
    cursor: pointer;
    position: relative;
    image-rendering: pixelated;
    background:
      linear-gradient(45deg, #444 25%, transparent 25%),
      linear-gradient(-45deg, #444 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, #444 75%),
      linear-gradient(-45deg, transparent 75%, #444 75%);
    background-size: 10px 10px;
    background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  }
  .frame-item.active { border-color: var(--accent); }
  .frame-item canvas {
    width: 100%; height: 100%;
    image-rendering: pixelated;
  }
  .frame-item .idx {
    position: absolute;
    top: 2px; left: 4px;
    font-size: 10px;
    background: rgba(0,0,0,0.7);
    padding: 1px 4px;
    border-radius: 3px;
    color: #fff;
  }
  .frame-item .del {
    position: absolute;
    top: 2px; right: 2px;
    width: 14px; height: 14px;
    background: rgba(0,0,0,0.7);
    border-radius: 3px;
    display: none;
    align-items: center; justify-content: center;
    font-size: 10px;
    color: #fff;
  }
  .frame-item:hover .del { display: flex; }

  .group { display: flex; gap: 5px; align-items: center; }
  label { font-size: 11px; color: var(--muted); }

  /* ============ MOBILE ============ */
  @media (max-width: 768px) {
    canvas.pixel-canvas, canvas.checker, canvas.grid-overlay {
      max-width: calc(100vw - 16px);
      max-height: 100%;
      height: auto;
    }
    .app {
      grid-template-columns: 1fr;
      grid-template-rows: auto auto minmax(180px, 1fr) auto auto;
      grid-template-areas:
        "topbar"
        "tools"
        "canvas"
        "frames"
        "right";
      height: 100vh;
      overflow: hidden;
    }
    .topbar {
      padding: 6px 8px;
      gap: 6px;
      flex-wrap: wrap;
      height: auto;
      min-height: 50px;
      border-bottom: 1px solid var(--border);
    }
    .topbar h1 { font-size: 13px; }
    .topbar .group { gap: 4px; }
    .topbar button, .topbar input, .topbar select {
      min-height: 44px;
      font-size: 13px;
      padding: 8px 10px;
    }
    .topbar input[type="number"] { width: 50px; }
    .spacer { display: none; }

    .tools {
      border-right: none;
      border-bottom: 1px solid var(--border);
      padding: 8px;
      max-height: 150px;
      overflow-y: auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
      column-gap: 12px;
    }
    .tools .section-title { margin: 4px 0 4px 0; font-size: 9px; }
    .tools .section-title:first-child { margin-top: 4px; }
    .tool-grid { gap: 6px; }
    .tool-btn {
      min-height: 44px;
      min-width: 44px;
      font-size: 18px;
    }
    .palette { gap: 4px; }
    .swatch { min-height: 28px; }
    .palette-controls button { min-height: 44px; font-size: 12px; }
    .color-row .current-color { width: 44px; height: 44px; }
    .color-row #colorHex { min-height: 44px; }
    #brushSize { min-height: 44px; width: 60px; }

    .canvas-wrap { min-height: 200px; }

    .right {
      border-left: none;
      border-top: 1px solid var(--border);
      padding: 6px 8px;
      max-height: 110px;
      overflow-y: auto;
    }
    .layer-list { max-height: 60px; }
    .layer-controls button { min-height: 44px; font-size: 13px; }
    .layer-item { padding: 6px; }
    .layer-item .name { font-size: 13px; min-height: 28px; }

    .frames {
      padding: 6px 8px;
      height: 90px;
    }
    .frames-header { gap: 6px; flex-wrap: wrap; }
    .frames-header button, .frames-header input {
      min-height: 44px;
      font-size: 12px;
    }
    .frames-header .kbd { display: none; }
    .frame-item { width: 56px; height: 56px; }
  }

  @media (max-width: 480px) {
    .topbar h1 { font-size: 12px; }
    .topbar button, .topbar input, .topbar select {
      font-size: 12px;
      padding: 8px;
      min-height: 44px;
    }
    .topbar label { display: none; }
    #zoomLabel { font-size: 11px; min-width: 30px; }
    .tools {
      grid-template-columns: 1fr;
      max-height: 220px;
    }
    .tool-grid { grid-template-columns: repeat(4, 1fr); }
    .palette { grid-template-columns: repeat(8, 1fr); }
    .frame-item { width: 48px; height: 48px; }
    .right { max-height: 120px; }
  }
  .kbd {
    background: var(--panel2);
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 10px;
    font-family: ui-monospace, monospace;
    color: var(--muted);
  }