:root{color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;background:#0e0b16;overflow:hidden;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,sans-serif;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center}#app canvas{max-width:100%;max-height:100%;display:block}