:root{background:#080b0e}*{box-sizing:border-box}body{margin:0;overflow:hidden}#app{height:100svh;position:relative;overflow:hidden}#playground{display:block;width:100%;height:100%;touch-action:none}#stretch-hint{position:absolute;left:0;right:0;top:10%;margin:0;color:#fff;font:clamp(22px,3vw,32px) ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;text-align:center;letter-spacing:.04em;pointer-events:none;transition:opacity .8s ease}#stretch-hint.dismissed{opacity:0}@media(prefers-reduced-motion:reduce){#stretch-hint{transition:none}}