:root{color-scheme:dark;font:16px system-ui,sans-serif;background:#0b1120;color:#edf4ff}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center}main{display:flex;flex-direction:column;align-items:center;gap:32px;padding:24px}button{font:600 16px system-ui,sans-serif;background:#67e8c1;color:#05271e;border:0;border-radius:10px;padding:16px 28px;cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible{outline:3px solid #70bfff;outline-offset:4px}progress{width:min(320px,80vw);height:8px;accent-color:#67e8c1}#score{font-size:72px;font-weight:750;color:#67e8c1}#score{user-select:none;touch-action:manipulation}dialog{width:min(600px,90vw);max-height:80svh;overflow:auto;border:1px solid #29364f;border-radius:14px;background:#121c30;color:#edf4ff;padding:24px}dialog::backdrop{background:#000a}dialog h2{margin-top:0}dialog li{margin:16px 0;line-height:1.6}dialog p{font-size:13px;color:#a1b2cc;line-height:1.6}[hidden]{display:none!important}