:root{color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;background:radial-gradient(ellipse at 50% 10%,#0f1b4d,#0a0e27,#050816);overflow:hidden;font-family:system-ui,-apple-system,sans-serif}#game{width:100%;height:100%;display:grid;place-items:center}#game canvas{border-radius:14px;box-shadow:0 0 40px #38bdf814,0 24px 60px #00000080}