:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none;line-height:1.55;--bg: #f4f6f3;--card: #fff;--ink: #253932;--muted: #65736d;--border: #dce3dc;--accent: #176456;--accent-hover: #104d42;--good: #17634a;--good-bg: #edf7f0;--bad: #a03438;--bad-bg: #fff0ef;--shadow: 0 8px 30px #20382906;color-scheme:light}:root[data-theme=dark]{--bg: #141c19;--card: #1d2823;--ink: #e5eee7;--muted: #a4b5aa;--border: #3b4c41;--accent: #93d6b7;--accent-hover: #b0e7ce;--good: #a1e2b5;--good-bg: #203c2e;--bad: #ffb0aa;--bad-bg: #462a2c;--shadow: none;color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #141c19;--card: #1d2823;--ink: #e5eee7;--muted: #a4b5aa;--border: #3b4c41;--accent: #93d6b7;--accent-hover: #b0e7ce;--good: #a1e2b5;--good-bg: #203c2e;--bad: #ffb0aa;--bad-bg: #462a2c;--shadow: none;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button,a{touch-action:manipulation}button{transition:background .15s,border-color .15s,transform .15s}button:focus-visible,a:focus-visible,img:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1:focus{outline:none}a{color:var(--accent)}h1,h2,p{margin-top:0}h1{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.045em;line-height:1.25;margin-bottom:0}h2{font-size:1.3rem;margin-bottom:0}.site-header{width:100%;max-width:1100px;margin:0 auto;padding:24px 32px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-weight:750;font-size:1.1rem;color:var(--ink)}.brand small{display:block;letter-spacing:.17em;font-size:.6rem;font-weight:600;color:var(--muted)}.icon-button{border:1px solid var(--border);background:var(--card);color:var(--ink);border-radius:50%;min-width:44px;min-height:44px;font-size:1.4rem}main{flex:1;display:flex;flex-direction:column;width:100%;max-width:840px;padding:36px 24px 20px;margin:0 auto}main>*{flex-shrink:0}.question-card{flex:1 0 auto;display:flex;flex-direction:column}.question-card .answers{margin-bottom:28px}.eyebrow{color:var(--muted);font-size:.67rem;letter-spacing:.16em;font-weight:750}.muted{color:var(--muted)}.small{font-size:.82rem}.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow)}.quiz-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.quiz-top h1{margin-top:8px}.quiz-top h1 span{font-weight:400}.progress-label{display:flex;justify-content:space-between;font-size:.76rem;color:var(--muted);margin-bottom:8px}progress{appearance:none;display:block;width:100%;height:5px;border:none;border-radius:5px;overflow:hidden;background:var(--border);margin-bottom:28px}progress::-webkit-progress-bar{background:var(--border)}progress::-webkit-progress-value{background:var(--accent);border-radius:5px}progress::-moz-progress-bar{background:var(--accent)}.question-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.question-id{color:var(--muted);font-size:.7rem;border:1px solid var(--border);padding:2px 8px;border-radius:5px}.question-text{font-size:1.22rem;font-weight:600;line-height:1.6;overflow-wrap:anywhere}.question-text p{margin-bottom:24px}.answers{display:grid;gap:12px}.answer{display:flex;align-items:center;text-align:left;gap:16px;padding:17px 18px;min-height:68px;border:1px solid var(--border);border-radius:12px;background:var(--card);color:var(--ink);width:100%;line-height:1.6}.answer:not(:disabled):hover{border-color:var(--accent);background:var(--bg)}.option-label{flex:0 0 32px;height:32px;border:1px solid var(--border);border-radius:8px;display:grid;place-items:center;font-size:.8rem;font-weight:650}.option-text{flex:1;min-width:0;overflow-wrap:anywhere}.option-text p{margin:0}.correct{background:var(--good-bg)!important;border-color:var(--good)!important;color:var(--good)!important}.wrong{background:var(--bad-bg)!important;border-color:var(--bad)!important;color:var(--bad)!important}.correct .option-label{background:var(--good);color:var(--card);border-color:var(--good)}.wrong .option-label{background:var(--bad);color:var(--card);border-color:var(--bad)}.answer-verdict{font-size:1.4rem}.question-bottom{border-top:1px solid var(--border);margin-top:auto;padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.question-bottom strong{font-size:.87rem}.question-bottom p{margin:4px 0 0}.primary,.secondary{border-radius:10px;padding:12px 20px;min-height:46px;font-weight:650;font-size:.88rem}.primary{border:1px solid var(--accent);background:var(--accent);color:var(--bg);white-space:nowrap}.primary:hover:not(:disabled){background:var(--accent-hover)}.primary:disabled{opacity:.4}.secondary{border:1px solid var(--border);background:var(--card);color:var(--ink)}.secondary:hover{border-color:var(--accent)}.compact{padding:10px 16px}.good-text{color:var(--good)}.bad-text{color:var(--bad)}.stats-strip{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:22px 0;font-size:.76rem;color:var(--muted)}.dot{width:6px;height:6px;display:inline-block;border-radius:50%;margin-right:6px}.good{background:var(--good)}.bad{background:var(--bad)}footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:26px;padding-top:20px;border-top:1px solid var(--border);font-size:.73rem;color:var(--muted)}.text-button{background:none;border:0;color:var(--muted);font-size:inherit;min-height:44px;text-decoration:underline;text-underline-offset:3px;padding:8px 0}.welcome{padding:52px 44px}.welcome h1{font-size:clamp(2rem,5vw,3.3rem);margin:18px 0 24px;line-height:1.13}.lead{font-size:1.03rem;max-width:540px}.welcome-details{display:flex;gap:20px;flex-wrap:wrap;margin:30px 0;color:var(--muted);font-size:.85rem}.welcome-details strong{color:var(--ink)}.welcome .primary{margin-bottom:20px;min-width:180px}.welcome .small{max-width:460px}.data-note{font-size:.75rem;border-top:1px solid var(--border);padding-top:20px;margin:24px 0 0;color:var(--muted)}.notice{background:var(--card);border:1px solid var(--border);padding:16px;border-radius:10px;font-size:.9rem}.question-image{display:block;max-width:100%;max-height:360px;object-fit:contain;margin:20px auto;border-radius:8px}.zoomable{cursor:zoom-in}.results{text-align:center;padding:40px}.results h1{font-size:2.6rem;margin:14px 0}.score-ring{background:conic-gradient(var(--accent) var(--score),var(--border) 0);width:180px;height:180px;padding:9px;border-radius:50%;margin:30px auto}.score-ring>div{background:var(--card);height:100%;border-radius:50%;display:flex;flex-direction:column;justify-content:center}.score-ring strong{font-size:2.5rem;letter-spacing:-.06em}.score-ring span{font-size:.8rem;color:var(--muted)}.result-stats{display:flex;justify-content:center;gap:44px;margin:30px 0}.result-stats span{display:flex;flex-direction:column;font-size:.8rem}.result-stats strong{font-size:1.6rem}.result-actions,.modal-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.review-list{display:grid;gap:20px;margin-top:24px}.review-list .eyebrow{display:block;margin-bottom:16px}.review-answer{border:1px solid;padding:16px;border-radius:10px;margin-top:12px}.review-answer p:last-child{margin-bottom:0}.review-answer strong{font-size:.8rem}.review-answer p{margin-top:6px}dialog{background:var(--card);color:var(--ink);border:1px solid var(--border);border-radius:18px;padding:24px;width:min(760px,calc(100% - 32px));max-height:85dvh;overscroll-behavior:contain}dialog::backdrop{background:#081b16a6}.modal-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.modal-actions{justify-content:flex-end;margin-top:24px}.navigator{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:8px}.navigator button{background:var(--bg);color:var(--ink);border:1px solid var(--border);min-height:48px;border-radius:8px}.navigator small{display:block;font-size:.65rem}.navigator [aria-current]{outline:3px solid var(--accent);outline-offset:1px}.enlarged{width:100%;height:auto;display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){.site-header{padding:18px}main{padding:20px 14px}.card{padding:22px 18px;border-radius:16px}.question-text{font-size:1.08rem}.answer{padding:14px 12px;gap:12px;font-size:.92rem}.question-bottom{align-items:stretch;flex-direction:column;gap:16px}.question-bottom .primary{width:100%}.stats-strip{gap:12px 20px;max-width:320px;margin:auto}.welcome{padding:32px 24px}.welcome-details{gap:12px;flex-direction:column}.welcome .primary{width:100%}.results{padding:30px 20px}.result-stats{gap:28px}.result-actions{flex-direction:column}footer{font-size:.67rem;gap:8px}.eyebrow{font-size:.6rem}.question-meta{gap:8px}.quiz-top h1{font-size:1.45rem}dialog{padding:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}