:root{color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;font-family:Segoe UI,system-ui,-apple-system,sans-serif}#app{position:fixed;inset:0;display:block}#game{display:block;width:100%;height:100%;image-rendering:pixelated;cursor:crosshair;touch-action:none;outline:none}