*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #111;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100svh;
}

canvas {
  display: block;
  image-rendering: pixelated;
  max-width: min(96vw, 92vh);
  touch-action: none;
  user-select: none;
}

#tip {
  margin-top: 8px;
  font-size: 0.7rem;
  color: #444;
  font-family: monospace;
  text-align: center;
  letter-spacing: 0.04em;
}