/* Fit the game's native display aspect. The frontend is 640×480; race modes
   retain their selected aspect, including the browser-sized widescreen mode. */
#game {
  --game-aspect: 1.3333333333333333;
  position: fixed;
  inset: auto;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(100vw, calc(100dvh * var(--game-aspect)));
  height: min(100dvh, calc(100vw / var(--game-aspect)));
  background: #000;
  cursor: none;
  touch-action: none;
}