*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:#0a0a0f;font-family:system-ui,-apple-system,Segoe UI,sans-serif}#game-canvas{display:block;position:fixed;top:0;left:0;touch-action:none;-webkit-tap-highlight-color:transparent;user-select:none}