:root{color-scheme:dark}html,body{margin:0;padding:0;background:#0a0014;overflow:hidden;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#fff;touch-action:none;-webkit-user-select:none;user-select:none}#app{position:fixed;inset:0;display:grid;place-items:center}canvas{display:block;max-width:100%;max-height:100%;touch-action:none}