:root {
  color-scheme: dark;
  --ink: #e8e6e1;
  --dim: #9a968d;
  --ground: #16161a;
  --raised: #1f1f25;
  --edge: #33333d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1.25rem 3rem;
  background: var(--ground);
  color: var(--ink);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.masthead h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lede, .footer p, .note { margin: 0.4rem 0 0; color: var(--dim); }
.footer p, .note { font-size: 0.85rem; }

.world {
  background: var(--raised);
  border: 1px solid var(--edge);
  padding: 0.75rem;
}

canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  image-rendering: pixelated;
  background: var(--raised);
  cursor: crosshair;
  touch-action: manipulation;
}

canvas:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.controls { display: grid; gap: 0.75rem; }

.palette { border: 0; margin: 0; padding: 0; }
.palette legend { padding: 0; font-size: 0.85rem; color: var(--dim); }

.swatches { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }

.swatch {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--edge);
  cursor: pointer;
  padding: 0;
}

.swatch[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 2px; }
.swatch:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.status {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--dim);
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}