:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#181818;background:#f5f5f5;color-scheme:light}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px}main{width:100%;max-width:360px}h1{font-size:32px;letter-spacing:-1px;font-weight:500;margin:0 0 32px}form{display:grid;gap:12px}form[hidden]{display:none}label{font-size:14px}input,button{width:100%;font:inherit;border-radius:10px;padding:14px;border:1px solid #ccc}input{background:#fff;color:#181818}button{cursor:pointer;background:#181818;color:white;border-color:#181818}button:disabled{opacity:.5;cursor:wait}#restart{background:none;border:0;color:#555;font-size:13px}input:focus-visible,button:focus-visible{outline:2px solid #555;outline-offset:3px}.note{color:#666;font-size:12px;line-height:1.6;margin-top:32px}#message{font-size:14px;line-height:1.5;overflow-wrap:anywhere}