*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{touch-action:none;-webkit-user-select:none;user-select:none;background:#0a0a1a;width:100%;height:100%;font-family:Segoe UI,system-ui,-apple-system,sans-serif;overflow:hidden}#game-container{justify-content:center;align-items:center;width:100%;height:100%;display:flex}#app{position:relative}#app canvas{image-rendering:auto;display:block}body{-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}