/* Asteroids-specific styles. Layout/overlays come from _shared/game.css. */
#game {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
  background: #070a10;
  image-rendering: auto;
}

@media (max-width: 640px) {
  .screen-card { padding: 20px; }
  .screen-card h2 { font-size: 22px; }
}