:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,sans-serif;background:#081011}*{box-sizing:border-box}html,body,#game{width:100%;height:100%;margin:0;overflow:hidden;background:#081011}canvas{display:block;margin:auto;touch-action:none}#rotate-note{display:none;position:fixed;inset:0;z-index:9;place-items:center;padding:2rem;text-align:center;background:#081011;color:#f1cb78;font-size:1.2rem}@media(orientation:portrait)and (max-width:800px){#rotate-note{display:grid}#game{visibility:hidden}}