:root {
  --page-bg: #ecf4e0;
  --page-bg-top: #f8fbf0;
  --page-bg-bottom: #deead2;
  --page-ink: #102436;
  --muted: #5e7585;
  --copy: #355160;
  --panel: rgba(255, 254, 249, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --line: rgba(16, 36, 54, 0.1);
  --line-strong: rgba(16, 36, 54, 0.16);
  --shadow: 0 28px 72px rgba(20, 34, 52, 0.1);
  --accent: #b2ef49;
  --accent-strong: #7dd53e;
  --accent-ink: #213800;
  --accent-soft: rgba(178, 239, 73, 0.18);
  --accent-border: rgba(178, 239, 73, 0.34);
  --accent-2: #5af2d6;
  --accent-2-soft: rgba(90, 242, 214, 0.17);
  --hero-glow-a: rgba(178, 239, 73, 0.2);
  --hero-glow-b: rgba(90, 242, 214, 0.16);
  --hero-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(245, 252, 241, 0.9));
  --hero-copy-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(247, 252, 243, 0.9));
  --canvas-shell: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(246, 252, 240, 0.74));
  --canvas-border: rgba(255, 255, 255, 0.74);
  --tag-bg: rgba(255, 255, 255, 0.9);
  --tag-border: rgba(16, 36, 54, 0.1);
  --touch-columns: 3;
}

.swatch-player {
  --swatch-fill: #b8ff56;
  --swatch-edge: rgba(123, 211, 28, 0.58);
  --swatch-glow: rgba(184, 255, 86, 0.22);
}

.swatch-shard {
  --swatch-fill: #ffe866;
  --swatch-edge: rgba(255, 211, 82, 0.65);
  --swatch-glow: rgba(255, 232, 102, 0.2);
}

.swatch-exit {
  --swatch-fill: #5af2d6;
  --swatch-edge: rgba(90, 242, 214, 0.6);
  --swatch-glow: rgba(90, 242, 214, 0.18);
}

.swatch-hazard {
  --swatch-fill: #ff6954;
  --swatch-edge: rgba(255, 105, 84, 0.68);
  --swatch-glow: rgba(255, 105, 84, 0.18);
}

html[data-fullscreen="true"] .site-nav,
html[data-fullscreen="true"] .hero,
html[data-fullscreen="true"] .brief-column,
html[data-fullscreen="true"] .game-footer {
  display: none;
}

html[data-fullscreen="true"] .site-shell,
html[data-fullscreen="true"] .page-shell,
html[data-fullscreen="true"] .stage-shell {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  gap: 0;
}

html[data-fullscreen="true"] .canvas-card {
  position: relative;
  min-height: 100svh;
  height: 100svh;
  border-radius: 0;
  box-shadow: none;
  display: grid;
  place-items: stretch;
  overflow: hidden;
  padding:
    max(8px, env(safe-area-inset-top))
    max(8px, env(safe-area-inset-right))
    max(8px, env(safe-area-inset-bottom))
    max(8px, env(safe-area-inset-left));
}

html[data-fullscreen="true"] .canvas-bottom-bar {
  position: absolute;
  inset: 0;
  margin: 0;
  pointer-events: none;
}

html[data-fullscreen="true"] .mobile-stage-panel,
html[data-fullscreen="true"] .touch-controls {
  display: none;
}

html[data-fullscreen="true"] canvas {
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0 auto;
  aspect-ratio: auto;
  border-radius: 0.9rem;
}

html[data-fullscreen="true"] .canvas-stage {
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  display: grid;
  place-items: stretch;
}

html[data-fullscreen="true"] .canvas-actions {
  position: absolute;
  top: max(8px, env(safe-area-inset-top));
  right: max(8px, env(safe-area-inset-right));
  display: grid;
  width: min(52vw, 248px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
  pointer-events: auto;
  z-index: 3;
}

html[data-fullscreen="true"][data-mobile-client="true"] .touch-controls,
html[data-fullscreen="true"][data-display-mode="standalone"] .touch-controls {
  position: absolute;
  left: max(8px, env(safe-area-inset-left));
  bottom: max(8px, env(safe-area-inset-bottom));
  display: grid;
  width: min(60vw, 280px);
  gap: 0.45rem;
  pointer-events: auto;
  z-index: 3;
}