:root{--ink:#10263c;--muted:#5f7182;--paper:#f6f8fb;--card:#fff;--line:#dce5ed;--blue:#1677c8;--deep:#0d2940;--green:#147a57;--red:#bc3e46;--amber:#b66b06;--radius:18px;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(130deg,#edf5fa 0,#f7f8fb 55%,#ecf3f6 100%)}button{font:inherit;cursor:pointer}.topbar{height:72px;padding:0 max(20px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--deep);font-weight:800;letter-spacing:.02em;line-height:.9}.brand small{font-weight:600;color:var(--muted);font-size:11px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;color:white;background:var(--blue);border-radius:10px;font-size:22px}nav{display:flex;gap:6px}nav 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/* The answer translation normally uses display:block. Respect the hidden state from the language switch. */
.answer .ru[hidden] { display: none !important; }