:root{color-scheme:light;--ink:#193d35;--paper:#f5f4ec;--muted:#6c766d;--line:#dce0d4;--lime:#e8efad}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}main{max-width:780px;margin:auto;padding:32px 22px 40px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:38px}.brand{display:flex;gap:12px;align-items:center;font-size:26px;font-weight:750;color:inherit;text-decoration:none}.sub{display:block;font-size:9px;letter-spacing:2px;margin-top:5px;color:var(--muted)}.badge{font-size:12px;border:1px solid var(--line);padding:8px 12px;border-radius:30px}.topline{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}progress{appearance:none;width:100%;height:5px;border:0;margin:12px 0 20px;border-radius:5px;background:var(--line)}progress::-webkit-progress-bar{background:var(--line);border-radius:5px}progress::-webkit-progress-value{background:var(--ink);border-radius:5px}button{font:inherit;cursor:pointer;min-height:44px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--ink);padding:10px 14px;touch-action:manipulation}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #94a34c;outline-offset:3px}button:disabled{opacity:.4;cursor:default}nav{display:flex;gap:8px;margin-bottom:18px}nav button{font-size:12px;border-color:transparent}nav .active{background:var(--ink);color:white}#shuffle{margin-left:auto}#reviewCount{opacity:.7;margin-left:3px}article{background:#fffefa;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 6px 30px #193d3505}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;margin-bottom:18px;color:#778450}h1{font-size:18px;line-height:1.7;font-weight:500;white-space:pre-line;margin:0 0 24px;color:#25382f}#options{display:grid;gap:9px}.option{display:flex;text-align:left;gap:13px;align-items:baseline;background:white;border-radius:10px;font-size:15px;line-height:1.5;padding:13px}.letter{font-size:12px;flex:0 0 24px;font-weight:700;color:#738071}.option.selected{border-color:var(--ink);background:#f0f3e9}.option.correct{border-color:#75904a;background:#eff4db}.primary{width:100%;background:var(--ink);color:white;margin-top:25px;font-weight:600;display:flex;justify-content:space-between;padding:16px}#answer{margin-top:24px;padding:18px;background:#eff4db;border-radius:12px;font-size:16px;line-height:1.6;white-space:pre-line}#rating{display:flex;gap:10px;margin-top:18px}#rating button{flex:1}#know{background:var(--lime);border-color:var(--lime)}[hidden]{display:none!important}.navigation{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:18px;font-size:12px}.navigation>button{border:0}.navigation label{display:flex;align-items:center;gap:6px}input{width:58px;height:40px;border:1px solid var(--line);border-radius:8px;background:white;padding:6px;color:var(--ink);font-size:16px}footer{font-size:11px;line-height:1.7;color:var(--muted);text-align:center;margin-top:24px}details{text-align:left;margin-top:18px;border-top:1px solid var(--line);padding-top:14px}summary{cursor:pointer}#message{font-size:12px;text-align:center}@media(max-width:520px){main{padding:22px 14px 30px}header{margin-bottom:28px}article{padding:22px 18px;border-radius:16px}h1{font-size:16px;line-height:1.65}.option{font-size:14px}.navigation{flex-wrap:wrap}.navigation label{order:3;justify-content:center;width:100%;margin-top:8px}nav{gap:2px}nav button{padding:10px}#rating button{font-size:14px}}

.option.incorrect{border-color:#b65f4e;background:#fff0eb}