:root{--ink:#172b26;--muted:#64756e;--paper:#f6f5ef;--green:#176b50;--line:#d8dfd6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,footer{max-width:1200px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:28px 36px}header{border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:13px;font-weight:750;letter-spacing:1.4px}.brand span{color:var(--green);font-size:25px;margin-right:15px}.tag,.eyebrow,label,.question-meta,footer{font-size:11px;letter-spacing:1.5px;font-weight:650}.tag{border:1px solid var(--line);border-radius:30px;padding:7px 13px;color:var(--muted)}main{max-width:1000px;margin:64px auto 90px;padding:0 36px;min-height:62vh}.eyebrow{color:var(--green);margin-bottom:22px}h1{font-size:clamp(38px,5.7vw,65px);line-height:1.12;letter-spacing:-2.6px;font-weight:550;margin:0 0 24px}em{font-family:Georgia,serif;color:var(--green);font-weight:400}.intro{color:var(--muted);max-width:550px;font-size:18px}.overview{display:flex;gap:80px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;margin:36px 0}.overview b{display:block;font-size:34px;font-weight:550}.overview span{color:var(--muted);font-size:13px}.setup{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px;align-items:end}label{display:block;margin-bottom:8px;color:var(--muted)}select,button{font:inherit}select{width:100%;padding:14px 12px;border:1px solid var(--line);background:#fff;border-radius:6px;color:var(--ink);font-size:14px}button{cursor:pointer;border:1px solid var(--line);padding:12px 18px;border-radius:6px;background:transparent;color:var(--ink);font-size:14px;font-weight:600}button:disabled{opacity:.55;cursor:default}.primary{background:var(--green);border-color:var(--green);color:white;padding:15px 23px}.primary span{margin-left:20px}.secondary{display:flex;gap:14px;margin:20px 0 28px}#missed-count{background:#e2e9df;padding:2px 7px;border-radius:4px;margin-left:10px}.small,.hint{font-size:12px;color:var(--muted)}.plain{border:0;padding:8px 0}.quiz-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}.track{height:4px;background:#dfe5db;margin:20px 0 34px}#progress{height:100%;background:var(--green);transition:width .3s}.question-meta{display:flex;justify-content:space-between;color:var(--muted);gap:15px}h2{font-size:clamp(22px,3vw,30px);line-height:1.45;font-weight:550;letter-spacing:-.5px;margin:18px 0 28px;outline:0}#choices{display:grid;gap:12px}.choice{width:100%;display:flex;align-items:center;gap:18px;text-align:left;padding:16px 20px;font-weight:400;background:#fff;border:1px solid var(--line);line-height:1.6}.choice .letter{border:1px solid var(--line);border-radius:5px;width:32px;min-width:32px;height:32px;display:grid;place-items:center;font-weight:650;font-size:13px}.choice:hover:not(:disabled){border-color:var(--green);background:#eff4ed}.choice.correct{border-color:#20865e;background:#e8f4e9;color:#145a39;opacity:1}.choice.wrong{border-color:#bd604c;background:#faede8;color:#913c2c;opacity:1}.choice:disabled{opacity:.75}.choice .status{margin-left:auto;font-weight:bold;font-size:12px;white-space:nowrap}#feedback{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.feedback-top,.feedback-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px}#verdict{color:var(--green)}#explanation{color:var(--muted);font-size:14px;white-space:pre-line}#correct{font-size:14px}.feedback-bottom{font-size:12px;color:var(--muted);margin-top:20px}#pause{padding:6px 10px;font-size:12px}.hint{margin-top:25px}.result-number{font-size:64px;color:var(--green)}#results button{margin:10px 12px 0 0}footer{border-top:1px solid var(--line);color:var(--muted);font-size:10px;letter-spacing:1px}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #75a8dc;outline-offset:3px}[hidden]{display:none!important}@media(max-width:650px){header,footer{padding:20px}.tag{display:none}main{margin:40px auto 60px;padding:0 20px}h1{letter-spacing:-1.5px}.overview{gap:25px;justify-content:space-between}.overview b{font-size:28px}.overview span{font-size:11px}.setup{grid-template-columns:1fr}.secondary{flex-wrap:wrap}.question-meta{font-size:9px}.quiz-top{gap:10px}.choice{padding:13px 12px;gap:12px;font-size:14px}.choice .status{font-size:10px}.feedback-bottom{align-items:flex-start}footer{gap:20px;font-size:8px}}

.full-bank{display:flex;align-items:center;gap:28px;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;margin:32px 0 12px}.full-bank .eyebrow{margin-bottom:8px}.full-bank h2{font-size:22px;margin:0 0 8px}.full-bank p{font-size:14px;color:var(--muted);max-width:530px;margin:0}.full-bank button{flex-shrink:0}.reset-row{display:flex;gap:16px;align-items:center;margin:12px 0 20px}.reset-row button{color:var(--muted);text-decoration:underline;text-underline-offset:4px}dialog{border:1px solid var(--line);border-radius:10px;padding:30px;background:var(--paper);color:var(--ink);max-width:520px;width:calc(100% - 40px)}dialog::backdrop{background:rgba(12,30,22,.45)}dialog h2{font-size:25px;margin:0 0 12px}dialog p{font-size:15px;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}@media(max-width:650px){.full-bank{flex-direction:column;align-items:stretch}.full-bank button{width:100%}.reset-row{flex-wrap:wrap}.dialog-actions{flex-direction:column}}