:root{--ink:#233b3e;--muted:#63777a;--teal:#176e68;--mint:#ddf1e9;--line:#dce6e1;--paper:#fff;--bg:#f3f6f0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}header{padding:35px max(24px,calc((100vw - 1230px)/2)) 30px;background:#e8efe4;border-bottom:1px solid #dae4d7}.brand{font-size:12px;letter-spacing:2px;font-weight:800}.brand span{margin-left:18px;letter-spacing:1px;color:var(--muted);font-weight:500}h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(30px,4vw,46px);line-height:1.2;margin:13px 0 8px}header p{margin:0;color:var(--muted)}.steps{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:13px}.steps span{border:1px solid #c8d7c7;border-radius:30px;padding:5px 14px;background:#ffffff70}.layout{max-width:1280px;margin:28px auto;display:grid;grid-template-columns:290px minmax(0,1fr);gap:32px;padding:0 24px}aside{font-size:14px}.eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted);font-weight:700;margin-top:0}.group{font-size:12px;color:var(--teal);font-weight:700;margin:18px 0 7px}nav a{display:flex;text-decoration:none;color:var(--ink);padding:10px 12px;margin:4px 0;gap:12px;border:1px solid transparent;border-radius:10px;align-items:center}nav a span{font-size:12px;color:var(--muted)}nav a.active{background:var(--mint);border-color:#accfc1;font-weight:700}nav a:hover{background:#e9eee5}details{margin-top:24px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted)}summary{cursor:pointer;color:var(--ink)}.privacy{color:var(--muted);font-size:12px;line-height:1.8;margin-top:20px}.levels{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:17px}button{font:inherit;cursor:pointer;border:1px solid #cbdad3;color:var(--ink);background:white;border-radius:9px;padding:10px 17px;line-height:1.4}button:hover:enabled{border-color:var(--teal);background:#edf5ef}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ca8a35;outline-offset:3px}button:disabled{opacity:.45;cursor:default}.levels button[aria-pressed=true]{background:var(--teal);color:white;border-color:var(--teal)}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 30px #314c3b05}.topline{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--teal)}a{color:var(--teal)}h2{font-size:25px;line-height:1.4;margin:13px 0 7px}.muted{color:var(--muted);font-size:13px;margin:0 0 22px}.progressline{display:flex;justify-content:space-between;gap:12px;font-size:13px}progress{appearance:none;width:100%;height:7px;border:0;border-radius:20px;overflow:hidden;background:#edf1ed;margin:10px 0 24px}progress::-webkit-progress-bar{background:#edf1ed}progress::-webkit-progress-value{background:#71a78e}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:21px;font-weight:650;line-height:1.6;white-space:pre-line;margin-bottom:22px;width:100%;overflow-wrap:anywhere}#options{display:grid;gap:11px}.option{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid #dce5df;border-radius:11px;cursor:pointer;overflow-wrap:anywhere}.option:has(input:checked){border-color:var(--teal);background:#edf7f2}.option.correct{background:#e4f3e9;border-color:#72a583}.option.wrong{background:#fff0eb;border-color:#d29681}.option.locked{cursor:default}.letter{font-size:12px;font-weight:700;display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;border-radius:50%;background:#edf1ed}input{accent-color:var(--teal);width:17px;height:17px;flex-shrink:0}.primary{background:var(--teal);color:white;border-color:var(--teal);margin-top:23px;min-width:145px}.primary:hover:enabled{background:#135951;color:white}#feedback{padding:17px;border-radius:10px;background:#edf6ef;font-size:14px;white-space:pre-line}#feedback.error{background:#fff0e9}#feedback.alert{background:#fff7df}.paging{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:23px;margin-top:26px}.paging span{font-size:13px;color:var(--muted)}.tools{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.tools button{font-size:13px;background:transparent}.score{background:var(--mint);padding:16px 20px;border-radius:10px;margin-bottom:22px;font-weight:700}#review-content{border-top:1px solid var(--line);margin-top:24px;padding-top:8px}#review-content article{border-bottom:1px solid var(--line);padding:15px 0}#review-content h4{white-space:pre-line;font-weight:600}#review-content p{font-size:14px}footer{font-size:12px;text-align:center;color:var(--muted);margin:18px 0}#storage{font-size:12px;color:#9d4f22}[hidden]{display:none!important}@media(max-width:800px){header{padding:25px 20px}.layout{display:block;padding:0 16px;margin-top:20px}aside{margin-bottom:20px}nav{display:grid;grid-template-columns:1fr 1fr;gap:3px}nav .group{grid-column:1/-1}nav a{font-size:13px;padding:9px;gap:7px}details{margin-top:12px}.privacy{margin-bottom:8px}.card{padding:23px 19px}.levels{gap:7px}.levels button{font-size:14px;padding:10px 12px}h2{font-size:22px}legend{font-size:19px}.option{padding:12px 10px;gap:8px}.brand span{display:block;margin-left:0;margin-top:4px}.topline{flex-wrap:wrap}.paging button{font-size:14px;padding:10px 12px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .15s,border-color .15s}}
