.quiz-page{max-width:1024px;padding-bottom:32px}.quiz-back{padding:22px 0;font-size:13px;color:var(--muted)}.quiz-back a{color:var(--accent)}.quiz-hero{background:#111714;color:#f8fafc;border:1px solid #254333;border-radius:20px;padding:36px;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:24px;overflow:hidden;position:relative}.quiz-hero .eyebrow{color:#a3e635;margin:0 0 14px;font-size:11px}.quiz-hero h1{font-size:clamp(28px,4.5vw,44px);letter-spacing:-.04em;line-height:1.25;margin-bottom:16px}.quiz-hero h1 small{display:block;font-size:.53em;color:#a3e635;letter-spacing:0;margin-top:10px}.quiz-hero p{color:#b7c6bc;font-size:14px;max-width:500px;margin-bottom:0}.quiz-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.quiz-tags span{border:1px solid #3d5143;border-radius:6px;padding:3px 10px;color:#d9e4dc;font:500 12px/1.8 var(--font-body)}.quiz-art{position:relative;display:grid;place-items:center;min-height:220px;isolation:isolate}.quiz-art:before{content:'';width:210px;height:210px;border:1px solid #a3e6353d;border-radius:50%;position:absolute;box-shadow:0 0 0 24px #a3e63508,0 0 0 48px #a3e63504}.quiz-can{transform:rotate(12deg);width:112px;height:196px;border:2px solid #537846;border-radius:16px 16px 25px 25px;background:linear-gradient(100deg,#293327,#0a0f0b 60%,#263724);box-shadow:12px 18px 30px #0006;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;color:#c5ef71}.quiz-can:before{content:'';width:85%;height:5px;border-radius:50%;background:#839779;position:absolute;top:8px}.quiz-can b{font:800 45px/1.1 var(--font-body);letter-spacing:-.06em}.quiz-can span{font:600 11px/1.5 monospace;letter-spacing:.15em}.quiz-can small{font:500 10px/1.8 monospace;color:#b5c8ad}.quiz-intro{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;margin-top:22px}.quiz-panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px}.quiz-panel h2{font-size:20px;margin-bottom:14px}.quiz-panel p,.quiz-panel li{font-size:14px}.quiz-rules{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:12px}.quiz-rules li{display:flex;gap:12px;color:var(--muted)}.quiz-rules b{font:500 12px/1.9 monospace;color:var(--accent)}.quiz-primary,.quiz-secondary{border:1px solid var(--line);border-radius:9px;min-height:46px;padding:10px 19px;font-weight:700;font-size:14px;line-height:1.5}.quiz-primary{background:#059669;border-color:#059669;color:white}.quiz-primary:hover{background:#047857}.quiz-secondary{background:var(--soft);color:var(--text)}.quiz-secondary:disabled{opacity:.4}.quiz-start{width:100%;display:flex;align-items:center;justify-content:space-between}.quiz-small{font-size:12px!important;color:var(--muted);margin:14px 0 0}.quiz-bands{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:12px}.quiz-bands li{display:flex;justify-content:space-between;gap:10px;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:9px}.quiz-bands li:last-child{border:0;padding:0}.quiz-bands span{font-family:monospace;white-space:nowrap;color:var(--muted)}.quiz-bands .pass{color:var(--accent)}.quiz-play{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:20px;margin-top:24px;scroll-margin-top:130px}.quiz-progress-row{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.quiz-progress-row strong{font-family:monospace;color:var(--accent);font-size:13px}progress{display:block;width:100%;height:6px;border:0;border-radius:5px;overflow:hidden;appearance:none;background:var(--soft);accent-color:var(--accent);margin:12px 0 30px}progress::-webkit-progress-bar{background:var(--soft)}progress::-webkit-progress-value{background:var(--accent);border-radius:5px}progress::-moz-progress-bar{background:var(--accent);border-radius:5px}.quiz-topic{font-size:12px;color:var(--accent);margin-bottom:8px}.quiz-question{font-size:clamp(20px,3vw,26px)!important;line-height:1.55;letter-spacing:-.02em;min-height:80px;scroll-margin-top:140px;outline:none}.quiz-choices{display:grid;gap:12px;margin:0;padding:0;border:0;min-width:0}.quiz-option{display:flex;gap:12px;align-items:center;position:relative;border:1px solid var(--line);border-radius:11px;padding:14px;color:var(--text);font-size:14px;line-height:1.6;cursor:pointer;min-height:60px}.quiz-option:hover{border-color:var(--accent)}.quiz-option:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.quiz-option:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:3px}.quiz-option input{position:absolute;opacity:0;width:1px;height:1px}.quiz-letter{display:grid;place-items:center;flex:0 0 30px;height:30px;font:500 12px monospace;background:var(--soft);border:1px solid var(--line);border-radius:7px}.quiz-option:has(input:checked) .quiz-letter{background:#059669;color:#fff;border-color:#059669}.quiz-hint{margin-top:18px;font-size:12px;color:var(--muted)}.quiz-hint summary{cursor:pointer;width:fit-content}.quiz-hint p{font-size:12px;margin:8px 0}.quiz-step-nav{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.quiz-map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.quiz-map button{min-width:0;min-height:36px;padding:4px;border:1px solid var(--line);border-radius:7px;background:var(--soft);color:var(--muted);font:500 12px monospace}.quiz-map button.answered{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.quiz-map button[aria-current=step]{box-shadow:0 0 0 2px var(--accent);font-weight:800;color:var(--text)}.quiz-map-note{font-size:11px!important;margin-top:14px}.quiz-submit{width:100%;margin-top:8px}.quiz-message{color:#b45309;font-size:13px!important;min-height:24px;margin:14px 0 0}.dark .quiz-message{color:#fbbf24}.quiz-result{margin-top:24px;scroll-margin-top:130px}.quiz-result-top{display:grid;grid-template-columns:170px minmax(0,1fr);gap:28px;align-items:center}.quiz-score-ring{width:160px;height:160px;border-radius:50%;background:conic-gradient(#10b981 var(--score,0%),var(--soft) 0);padding:8px;display:grid;place-items:center}.quiz-score-center{width:100%;height:100%;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-direction:column}.quiz-score-center strong{font:800 52px/1.2 monospace;letter-spacing:-.06em;color:var(--text)}.quiz-score-center span{font-size:12px;color:var(--muted)}.quiz-verdict{display:inline-block;border:1px solid #d97706;color:#b45309;border-radius:5px;padding:2px 8px;font-size:11px;margin-bottom:10px}.dark .quiz-verdict{color:#fbbf24}.quiz-verdict.passed{border-color:var(--accent);color:var(--accent)}.quiz-result-top h2{margin-bottom:8px}.quiz-result-top p{margin-bottom:10px;font-size:14px}.quiz-result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.quiz-review-heading{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin:32px 0 14px;align-items:center}.quiz-review-heading h2{font-size:20px;margin:0}.quiz-review-heading label{font-size:13px;display:flex;gap:7px;align-items:center}.quiz-review{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.quiz-review-card{border:1px solid var(--line);border-left:3px solid #d97706;background:var(--surface);border-radius:10px;padding:20px}.quiz-review-card.correct{border-left-color:#10b981}.quiz-review-status{color:#b45309;font-size:11px!important;margin-bottom:8px!important}.correct .quiz-review-status{color:var(--accent)}.dark .quiz-review-status{color:#fbbf24}.quiz-review-card h3{font-size:15px;line-height:1.6;margin-bottom:12px}.quiz-review-card p{font-size:12px;margin-bottom:6px}.quiz-review-card .quiz-answer-key{color:var(--accent);font-weight:600}.quiz-review-card .quiz-explanation{margin-top:14px}.quiz-review-card a,.quiz-source-panel a{font-size:11px;color:var(--accent);text-decoration:underline;text-underline-offset:3px}.quiz-source-panel{margin-top:20px;font-size:12px}.quiz-source-panel summary{cursor:pointer}.quiz-source-panel li{font-size:12px;margin:7px 0}.quiz-share-fallback{display:block;width:100%;padding:12px;background:var(--soft);color:var(--text);border:1px solid var(--line);border-radius:8px;min-height:100px;resize:vertical}.quiz-disclaimer{margin:24px 0 0;font-size:11px;color:var(--muted)}@media(max-width:760px){.quiz-intro,.quiz-play{grid-template-columns:1fr}.quiz-play aside h2{font-size:14px}.quiz-play aside{padding:16px}.quiz-map{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.quiz-map button{min-height:44px}.quiz-map-note{margin:10px 0}.quiz-submit{margin-top:0}.quiz-hero{grid-template-columns:1fr 120px;padding:26px;gap:8px}.quiz-art{min-height:180px}.quiz-can{width:85px;height:155px}.quiz-can b{font-size:36px}.quiz-art:before{width:130px;height:130px}.quiz-review{grid-template-columns:1fr}}@media(max-width:480px){.quiz-page{width:calc(100% - 32px)}.quiz-hero{grid-template-columns:1fr;padding:24px}.quiz-art{display:none}.quiz-hero h1{font-size:31px}.quiz-panel{padding:20px}.quiz-map{gap:5px}.quiz-map button{font-size:11px}.quiz-result-top{grid-template-columns:1fr;text-align:center;gap:18px}.quiz-score-ring{margin:auto}.quiz-result-actions{justify-content:center}.quiz-question{min-height:0}.quiz-step-nav button{flex:1}.quiz-message{font-size:12px!important}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}}

/* Quiz lab v2: a single difficulty, balanced random draw and learning dashboard. */
.quiz-cutoff-note{border:1px solid var(--accent);border-radius:10px;background:var(--accent-soft);padding:14px 18px;margin:0 0 18px;font-size:12px;line-height:1.85;color:var(--muted)}.quiz-cutoff-note strong{display:block;color:var(--accent);font-weight:700;font-size:13px;margin-bottom:3px}.quiz-cutoff-note span{display:block}
.quiz-stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0 8px}.quiz-stat-strip>div{padding:16px 20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.quiz-stat-strip span{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}.quiz-stat-strip strong{font:700 28px/1.4 monospace;color:var(--accent)}.quiz-stat-strip small{font-size:11px;color:var(--muted);margin-left:6px}.quiz-local-note{font-size:11px;color:var(--muted);margin:8px 0 18px}.quiz-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:5px;background:var(--soft);border:1px solid var(--line);border-radius:12px;margin:18px 0}.quiz-tabs button{border:0;background:none;color:var(--muted);border-radius:8px;padding:11px 6px;font-size:13px;font-weight:600;min-height:44px;white-space:nowrap}.quiz-tabs button[aria-selected=true]{background:var(--surface);color:var(--accent);box-shadow:0 1px 4px #0001}.quiz-name-label{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600;margin:20px 0 8px}.quiz-name-label span{font-size:11px;color:var(--muted);font-weight:400}.quiz-name-input{width:100%;background:var(--soft);color:var(--text);border:1px solid var(--line);border-radius:9px;min-height:50px;font-size:16px;padding:12px 14px}.quiz-public-note{font-size:12px!important;line-height:1.8;margin:10px 0 16px}.quiz-topic-intro-title{font-size:14px;border-top:1px solid var(--line);padding-top:22px;margin-top:20px}.quiz-resume{border:1px solid var(--accent);background:var(--accent-soft);border-radius:12px;padding:18px;margin-top:18px;display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}.quiz-resume p{font-size:13px;margin:0;color:var(--text)}.quiz-resume>div{display:flex;gap:8px;flex-wrap:wrap}.quiz-player-line{display:flex;justify-content:space-between;gap:12px;margin-bottom:24px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:12px}.quiz-player-line b{font-family:monospace;color:var(--text)}button.quiz-option{width:100%;text-align:left;background:var(--surface);font-family:var(--font-body)}button.quiz-option[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}button.quiz-option[aria-pressed=true] .quiz-letter{background:#059669;color:white;border-color:#059669}button.quiz-option:disabled{cursor:default;opacity:1}.quiz-auto-note{font-size:11px;color:var(--muted);margin:12px 0 0}.quiz-result-name{font-size:13px!important;color:var(--accent);font-weight:700;margin-bottom:6px!important}.quiz-published{font-size:12px!important;color:var(--accent)}.quiz-pending{margin-top:22px;scroll-margin-top:140px}.quiz-pending h2{font-size:23px}.quiz-analysis-panel{margin-top:20px}.quiz-analysis-panel>p{font-size:13px}.quiz-topic-analysis{display:grid;gap:18px;margin:24px 0}.quiz-topic-row-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:7px;font-size:13px}.quiz-topic-row-head strong{font-weight:600}.quiz-topic-row-head span{font:400 12px/1.5 var(--font-body);color:var(--muted);white-space:nowrap}.quiz-topic-track{height:9px;background:var(--soft);border-radius:8px;overflow:hidden}.quiz-topic-track span{display:block;height:100%;background:#10b981;border-radius:8px}.quiz-topic-row.weak .quiz-topic-track span{background:#d97706}.quiz-advice{font-size:13px!important;border:1px solid var(--line);border-radius:9px;background:var(--accent-soft);color:var(--accent);padding:13px 16px;margin:18px 0 0}.quiz-section-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}.quiz-section-heading h2{margin-bottom:0}.quiz-section-heading .eyebrow{margin-bottom:6px}.quiz-global-strip{display:flex;gap:14px;flex-wrap:wrap;padding:14px 0;margin-top:12px;font-size:12px;color:var(--muted)}.quiz-global-strip b{font-family:monospace;font-size:16px;color:var(--accent);margin:0 4px}.quiz-table-wrap{overflow-x:auto;margin-top:20px}.quiz-table{border-collapse:collapse;width:100%;text-align:left;font-size:13px;white-space:nowrap}.quiz-table th{font-size:11px;color:var(--muted);background:var(--soft);font-weight:500}.quiz-table td,.quiz-table th{padding:13px 12px;border-bottom:1px solid var(--line);max-width:240px;overflow:hidden;text-overflow:ellipsis}.quiz-table td:nth-child(2){white-space:normal;overflow-wrap:anywhere;min-width:90px}.quiz-table .is-you{background:var(--accent-soft)}.quiz-table-score{font-family:monospace;font-weight:700;color:var(--accent)}.quiz-empty{text-align:center;padding:30px 0;margin:0;font-size:13px}.quiz-link-button{border:0;background:none;color:var(--accent);text-decoration:underline;text-underline-offset:3px;padding:6px 0;font-size:12px;min-height:36px}.quiz-certificate-panel{margin-top:24px;scroll-margin-top:140px}.quiz-certificate-preview{display:block;width:100%;height:auto;margin-top:18px;border:1px solid var(--line);border-radius:8px}.quiz-certificate-print{display:none}.quiz-certificate-panel textarea{margin-top:12px}.quiz-certificate-panel .quiz-small{overflow-wrap:anywhere}.quiz-topic-row:last-child{margin-bottom:0}#quiz-tab-stats,#quiz-tab-board,#quiz-tab-history{margin-top:22px}
@media(max-width:600px){.quiz-stat-strip{gap:8px}.quiz-stat-strip>div{padding:12px}.quiz-stat-strip strong{font-size:23px}.quiz-stat-strip small{margin-left:3px}.quiz-stat-strip span{font-size:10px}.quiz-tabs{gap:2px;padding:4px}.quiz-tabs button{font-size:12px;padding:10px 2px}.quiz-section-heading{align-items:flex-start;flex-wrap:wrap}.quiz-section-heading h2{font-size:20px}.quiz-global-strip{gap:8px 14px}.quiz-table td,.quiz-table th{padding:10px 9px}.quiz-result-actions button{flex:1 0 auto}.quiz-analysis-panel{padding:20px}.quiz-topic-row-head span{font-size:11px}.quiz-certificate-panel .quiz-result-actions{display:grid;grid-template-columns:1fr}.quiz-pending button{margin:5px 0}.quiz-player-line{margin-bottom:18px}}@media(max-width:360px){.quiz-stat-strip>div{padding:10px 8px}.quiz-stat-strip strong{font-size:21px}.quiz-stat-strip small{display:none}.quiz-tabs button{font-size:11px}.quiz-topic-row-head{font-size:12px}}
@media print{@page{size:A4 landscape;margin:10mm}body{background:white!important;margin:0!important;display:block!important}body>*{display:none!important}#quiz-print-sheet{display:flex!important;position:fixed;inset:0;align-items:center;justify-content:center;background:white}#quiz-print-sheet img{display:block;width:100%;height:auto;max-height:185mm;object-fit:contain}}