html, body {
  margin: 0;
  padding: 0;
  background: #0d0f16;
  height: 100%;
  font-family: "Courier New", monospace;
  color: #e8e8e8;
  overflow: hidden;
}
#frame {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
canvas#game {
  background: #000;
  width: min(100vw, calc(100vh * 16 / 9 - 24px));
  height: auto;
  aspect-ratio: 16 / 9;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 0 3px #2a2f3d;
}
#hint {
  font-size: 13px;
  color: #9aa4b8;
  letter-spacing: 0.5px;
  text-align: center;
  padding: 0 12px;
}