:root{color-scheme:light;--ink: #1c1917;--muted: #57534e;--line: #e7e0d4;--paper: #f6f1e7;--card: #fffdf8;--teal: #0f5c56;--teal-dark: #0a3f3b;--good: #166534;--good-bg: #dcfce7;--bad: #9f1239;--bad-bg: #ffe4e6;--show: #1d4ed8;--show-bg: #dbeafe}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:17px/1.5 Segoe UI,Avenir Next,PingFang SC,sans-serif;color:var(--ink);background:radial-gradient(900px 280px at 10% -10%,rgba(15,92,86,.08),transparent 60%),var(--paper)}a{color:var(--teal-dark)}img{max-width:100%;height:auto}button,input,select{font:inherit}.wrap{width:min(480px,calc(100% - 28px));margin:0 auto}.top{background:#fffdf8eb;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;min-height:64px}.brand{display:inline-flex;align-items:center;gap:8px;color:inherit;font-weight:750;text-decoration:none;letter-spacing:-.02em}.mark{width:28px;height:20px;border-radius:3px;background:linear-gradient(90deg,#0f5c56 0,#0f5c56 34%,#f6f1e7 34%,#f6f1e7 67%,#c2410c 67%);border:1px solid #d6d3d1}header nav{display:flex;flex:1 1 220px;flex-wrap:nowrap;gap:4px 14px;min-width:0;max-width:100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}header nav::-webkit-scrollbar{display:none}header nav a{color:var(--muted);text-decoration:none;min-height:44px;flex:0 0 auto;white-space:nowrap;display:inline-flex;align-items:center}header nav a[aria-current=page]{color:var(--ink);font-weight:700}main{padding:22px 0 12px}h1{font-family:Palatino,Iowan Old Style,Palatino Linotype,serif;font-size:clamp(1.8rem,7vw,2.35rem);line-height:1.15;letter-spacing:-.03em;margin:0 0 8px}h2{font-size:1.15rem;margin:28px 0 8px}.lede{margin-top:0;color:#44403c}.note,.meta{color:var(--muted)}#ad-slot-top:empty{display:block;height:0}.status-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.progress,.clock{margin:0;color:var(--muted);font-size:.92rem}.flag-frame{margin:12px 0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 12px 28px #1c19170d}.flag-frame img{display:block;width:100%;max-height:200px;object-fit:contain;border-radius:6px}.choices{display:grid;gap:10px}.choices button,.primary,.results .primary{min-height:52px;border-radius:14px;border:1px solid #d6d3d1;background:#fff;color:var(--ink);text-align:left;padding:12px 14px;cursor:pointer}.choices button:disabled{cursor:default}.choices button.is-correct,.choices button.is-answer{background:var(--good-bg);border-color:#86efac;color:var(--good);font-weight:700}.choices button.is-wrong{background:var(--bad-bg);border-color:#fecdd3;color:var(--bad)}.primary{width:100%;margin-top:12px;background:var(--teal);color:#fff;border-color:var(--teal);font-weight:700;text-align:center}.primary:active{background:var(--teal-dark)}.feedback{min-height:1.5em;margin:10px 0 0;font-weight:650}.next{margin-top:8px}.results{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}.score{font-family:Palatino,Iowan Old Style,serif;font-size:2.6rem;margin:0;letter-spacing:-.04em}.emoji{font-size:1.6rem;letter-spacing:.12em;margin:8px 0}.share-label{margin:18px 0 8px;font-size:1.15rem}.share-block{white-space:pre-wrap;background:#f5f5f4;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px;margin:0;font:15px/1.45 ui-monospace,Cascadia Code,Consolas,monospace;overflow-x:auto}.secondary{width:100%;min-height:52px;margin-top:8px;border-radius:14px;border:1px solid #d6d3d1;background:#fff;color:var(--ink);font-weight:700;cursor:pointer}.regions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 16px}.regions a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none}.regions a[aria-current=page]{background:var(--teal);color:#fff;border-color:var(--teal)}.crumbs{color:var(--muted);font-size:.92rem;margin:0 0 10px}.crumbs a{color:var(--muted)}.ad-slot{display:block;min-height:100px;margin:14px 0;border-radius:12px;background:#1c19170a}.ad-slot[hidden]{display:none!important;min-height:0;margin:0}footer{color:var(--muted);padding:8px 0 36px;font-size:.92rem}footer nav{display:flex;flex-wrap:wrap;gap:8px 14px}footer nav a{min-height:44px;display:inline-flex;align-items:center}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:2px}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}