*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; background: #0A0618; overflow: hidden; touch-action: none; user-select: none; -webkit-user-select: none; }
#stage {
  position: fixed;
  inset:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
  display: flex;
  align-items: center;
  justify-content: center;
}
#canvas { display: block; touch-action: none; image-rendering: pixelated; image-rendering: crisp-edges; }