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

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: monospace;
}

#game {
  /* crisp 16-bit scaling */
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  width: min(96vw, calc(96vh * 16 / 9));
  height: auto;
  aspect-ratio: 16 / 9;
  background: #fff;
  cursor: crosshair;
  border: 2px solid #8a8a8a;
}

#hint {
  position: fixed;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  color: #8a8a8a;
  font-size: 12px;
  letter-spacing: 1px;
  user-select: none;
}