:root{color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;background:#1b1f3b;font-family:system-ui,-apple-system,Segoe UI,sans-serif}#game-container{display:flex;align-items:center;justify-content:center;width:100%;height:100%}#game-container canvas{max-width:100%;max-height:100%}