html{scroll-behavior:auto}button,input,select{font:inherit}button,select{min-height:44px;border:1px solid var(--line);border-radius:10px;padding:10px 16px;background:white;color:var(--navy);font-weight:700}button{cursor:pointer}button:hover{border-color:var(--blue);background:#edf6f8}button:disabled{opacity:.5;cursor:default}.primary{background:var(--navy);color:white;border-color:var(--navy)}.primary:hover{background:#15466f;color:white}.muted{color:var(--muted)}.small{font-size:13px}[hidden]{display:none!important}.notice{padding:16px 20px;background:#fff;border-left:4px solid var(--blue);border-radius:6px;margin:24px 0;font-size:14px;max-width:950px}.intro-panel{background:#fff;padding:28px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);margin:24px 0 42px}.facts{display:flex;gap:36px;flex-wrap:wrap}.facts span{font-size:14px;color:var(--muted)}.facts strong{display:block;font-size:26px;color:var(--navy)}.intro-panel p{max-width:830px}.intro-panel .primary{margin-top:10px}.exam-bar{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:24px}.exam-bar h1{font-size:30px;letter-spacing:-.02em;margin:8px 0}.exam-bar span{white-space:nowrap;color:var(--muted);font-weight:600}progress{width:100%;height:9px;accent-color:var(--blue);margin:15px 0 26px}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;margin-bottom:44px}.question-panel,.navigator,.score-panel,.review-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 8px 24px rgba(12,49,84,.05)}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:23px;font-weight:750;line-height:1.4;color:var(--navy);margin:0 0 24px;padding:0;width:100%}.options{display:grid;gap:12px}.option{display:flex;align-items:flex-start;gap:13px;border:2px solid var(--line);padding:17px;border-radius:12px;cursor:pointer;line-height:1.5}.option:hover{border-color:#86a9ba}.option:has(input:checked){border-color:var(--blue);background:#e9f5f7}.option input{margin:5px 0 0;accent-color:var(--blue);flex:0 0 18px;width:18px;height:18px}.option .letter{font-weight:800;color:var(--blue);margin-right:5px}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:18px 0}.text-button{border-color:transparent;padding-left:0;font-size:14px}.navigation{display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding-top:20px}.navigator{padding:22px;height:fit-content}.navigator h2{font-size:20px;margin-top:0}.navigator p{font-size:13px}#question-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin:18px 0}#question-grid button{padding:0;min-height:40px;font-size:13px;border-radius:8px}#question-grid button.answered{background:var(--navy);color:white}#question-grid button[aria-current="step"]{outline:3px solid var(--blue);outline-offset:1px}#question-grid button:focus-visible{outline:3px solid #aa6000;outline-offset:2px}.navigator>button{width:100%;margin-bottom:10px}#results{padding-top:32px}.score-panel{display:flex;gap:32px;align-items:center;flex-wrap:wrap;margin:26px 0 14px}.score-number{font-size:48px;font-weight:800;color:var(--navy);line-height:1.2}.score-number small{display:block;font-size:18px;font-weight:600;color:var(--blue)}.score-stats{display:flex;gap:28px;flex-wrap:wrap}.score-stats strong{display:block;font-size:26px}.topic-results{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:22px 0 28px}.topic-item{background:white;border:1px solid var(--line);border-radius:12px;padding:16px}.topic-item h3{font-size:15px;margin:0 0 10px}.topic-item p{margin:0}.topic-item .detail{font-size:12px;color:var(--muted);margin-top:8px}.review-header{display:flex;gap:20px;justify-content:space-between;align-items:center;margin:40px 0 20px}.review-card{margin-bottom:18px}.review-card h3{font-size:19px;line-height:1.45;margin:12px 0 20px}.badge{font-size:12px;font-weight:750;letter-spacing:.03em;border-radius:6px;padding:5px 9px;display:inline-block;background:var(--mist)}.badge.correct{background:#e1f2eb;color:#175d40}.badge.incorrect{background:#fce9e5;color:#8b3524}.badge.unanswered{background:#fff2d7;color:#79510a}.review-options{padding-left:24px}.review-options li{padding:7px 10px;margin:6px 0;border-radius:7px}.review-options .key{background:#eaf5ef;border-left:3px solid #287451}.review-options .chosen-wrong{background:#fceeea;border-left:3px solid #9d4634}.explanation{border-top:1px solid var(--line);padding-top:15px;margin-bottom:0;line-height:1.6}dialog{max-width:520px;width:calc(100% - 32px);padding:28px;border:1px solid var(--line);border-radius:18px;color:var(--ink);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(12,31,49,.5)}@media(max-width:900px){.exam-layout{grid-template-columns:1fr}.navigator{width:100%}#question-grid{grid-template-columns:repeat(10,minmax(0,1fr))}.topic-results{grid-template-columns:repeat(3,1fr)}}@media(max-width:620px){.hero h1{font-size:39px}.facts{gap:20px}.question-panel,.intro-panel,.review-card{padding:20px}.exam-bar{align-items:flex-start;flex-direction:column;gap:5px}.exam-bar h1{font-size:27px}legend{font-size:20px}.option{padding:13px;gap:10px}.topic-results{grid-template-columns:1fr 1fr}.review-header{align-items:flex-start;flex-direction:column}.score-panel{padding:20px;gap:20px}.score-stats{gap:20px}#question-grid{grid-template-columns:repeat(5,1fr)}#question-grid button{min-height:44px}.navigation button{flex:1;padding:10px}.topbar{gap:12px}.nav-link{max-width:125px;text-align:center}.question-actions{font-size:13px}}