:root{color-scheme:dark}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0;background:radial-gradient(circle at top,#10182f,#05070d 60%,#03050a);font-family:Trebuchet MS,Tahoma,sans-serif;overflow:hidden;overscroll-behavior:none}#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center;touch-action:none;position:fixed;inset:0;overflow:hidden}canvas{display:block;touch-action:none;max-width:100%;max-height:100%;margin:auto}