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

html, body {
  height: 100%;
  background: #06070f;
  overflow: hidden;
}

/* scène 3D : rendue en basse résolution, étirée plein écran → gros pixels */
#gl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* interface pixel (160x144) centrée au-dessus */
#ui {
  position: fixed;
  z-index: 2;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  cursor: pointer;
}