:root{color-scheme:dark;--bg:#0c1119;--panel:#131d2b;--text:#e4edf7;--muted:#9aadc3;--line:#2b3a4e;--cyan:#67dfeb;--coral:#ff908c}*{box-sizing:border-box}body{margin:0;font:17px/1.65 Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}.theme-input{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}#theme:checked~.site{color-scheme:light;--bg:#f4f6f9;--panel:#fff;--text:#1c2a3e;--muted:#53677e;--line:#d4deea;--cyan:#087785;--coral:#b83838}.site{min-height:100vh;background:var(--bg);color:var(--text)}header{border-bottom:1px solid var(--line)}.bar{max-width:980px;margin:auto;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:15px}.brand{font-size:13px;font-weight:800;letter-spacing:.13em}.brand b{color:var(--cyan)}button,.theme-label{font:inherit;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--text);min-height:44px;padding:10px 17px;cursor:pointer}.theme-label{font-size:12px;border-radius:30px;display:inline-flex;align-items:center;white-space:nowrap}.light-label{display:none}#theme:checked~.site .dark-label{display:none}#theme:checked~.site .light-label{display:inline}#theme:focus-visible~.site .theme-label,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}main{max-width:800px;padding:45px 22px 70px;margin:auto}.eyebrow{font:12px/1.5 Consolas,monospace;letter-spacing:.12em;color:var(--cyan)}h1{font-size:clamp(32px,5vw,49px);line-height:1.15;letter-spacing:-.035em;margin:15px 0 22px}h2{font-size:27px;line-height:1.4;letter-spacing:-.02em}.muted{color:var(--muted)}.intro{position:relative;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:40px 40px;border-radius:15px;padding:22px;background-color:var(--panel)}.intro h1{background:var(--panel);padding:8px 0}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.chip{font-size:12px;border:1px solid var(--line);padding:5px 10px;border-radius:5px;background:var(--panel)}.article-list{list-style:none;padding:0;margin:26px 0;display:grid;gap:8px}.article-list li{display:flex;gap:14px;align-items:baseline}.article-list span{font:12px Consolas,monospace;color:var(--cyan)}.name-label{display:block;font-size:14px;margin:26px 0 8px}#name{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);font:inherit}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.primary{background:var(--cyan);color:var(--bg);font-weight:700;border-color:var(--cyan)}button:disabled{opacity:.45;cursor:default}.resume-box{margin-top:24px;padding:20px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:9px}.quiz-top{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:14px}.clock{font:18px Consolas,monospace;color:var(--cyan);font-variant-numeric:tabular-nums}.progress{height:4px;background:var(--line);border-radius:5px;margin:15px 0 30px;overflow:hidden}.progress>div{height:100%;background:linear-gradient(90deg,var(--cyan),var(--coral))}.question-card{padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--panel);min-width:0}fieldset{border:0;padding:0;margin:0;min-width:0}legend{padding:0;width:100%;font-size:24px;font-weight:700;line-height:1.4;margin:14px 0 24px;overflow-wrap:anywhere}.options{display:grid;gap:12px}.option{position:relative;display:flex;gap:14px;align-items:center;min-height:60px;padding:15px;border:1px solid var(--line);border-radius:10px;cursor:pointer;overflow-wrap:anywhere}.option:has(input:checked){border-color:var(--cyan);background:#67dfeb0a}.option:focus-within{outline:2px solid var(--cyan);outline-offset:2px}.option input{margin:0;accent-color:var(--cyan);flex-shrink:0;width:18px;height:18px}.option .letter{font:12px Consolas,monospace;color:var(--muted)}.foot{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:24px}.foot .muted{font-size:12px}.message{font-size:13px;color:var(--coral);margin-top:18px}.message:empty{display:none}.score{font-size:64px;font-weight:800;line-height:1.1;letter-spacing:-.05em;color:var(--cyan);margin:25px 0}.score small{font-size:25px;color:var(--muted)}.stats{display:flex;gap:25px;flex-wrap:wrap;border-block:1px solid var(--line);padding:18px 0;margin:24px 0}.stats span{font-size:12px;color:var(--muted)}.stats b{display:block;font-size:20px;color:var(--text)}.review{margin:13px 0;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.review summary{cursor:pointer;padding:17px;line-height:1.5;font-size:15px}.review .detail{padding:0 20px 20px;font-size:15px}.review.good{border-left:3px solid var(--cyan)}.review.bad{border-left:3px solid var(--coral)}.source{font-size:12px;color:var(--muted);margin-top:15px}.screen[hidden]{display:none}.small-note{font-size:12px;color:var(--muted);margin-top:26px}.sr-only{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.question-card legend:focus{outline:none}.question-card legend:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}noscript{display:block;padding:20px;border:1px solid var(--coral)}
@media(max-width:560px){main{padding:27px 18px 50px}.bar{padding:14px 18px}.brand{font-size:11px;letter-spacing:.06em}.theme-label{padding:8px 11px}.intro{padding:16px}.question-card{padding:19px 16px}legend{font-size:21px}.option{padding:13px 11px;gap:10px;font-size:16px}.foot{flex-wrap:wrap}.foot button{width:100%}.quiz-top{font-size:12px}.score{font-size:55px}.buttons button{flex:1}.article-list{font-size:15px}}
.article-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.article-list li{display:block;min-width:0}.article-cover{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel)}.article-cover img{display:block;width:100%;height:auto;object-fit:contain}.article-cover figcaption{display:flex;gap:10px;align-items:baseline;padding:12px 14px;font-size:14px;line-height:1.4}.article-cover b{font-weight:600;overflow-wrap:anywhere}button:disabled{cursor:not-allowed;opacity:.55}@media(max-width:560px){.article-list{grid-template-columns:minmax(0,1fr)}}.quiz-metrics{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:18px 0 0;color:var(--muted);font-size:13px}.quiz-metric,.quiz-share{display:inline-flex;align-items:center;gap:6px;min-height:44px;white-space:nowrap}.quiz-metrics svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.quiz-share{margin-left:auto;padding:0 10px;border:0;background:transparent;color:var(--muted);cursor:pointer}.quiz-share:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.quiz-metrics-note{flex-basis:100%;overflow-wrap:anywhere}.quiz-metrics-note:empty{display:none}