:root{color:#17211d;background:#f5f7f3;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--border: #d9ded6;--muted: #647067;--panel: #ffffff;--accent: #126a56;--accent-strong: #0b4c3d;--blue: #2859a3;--danger: #b3261e;--danger-bg: #fff1f0;--success: #14723d;--success-bg: #ecf8ef;--warning-bg: #fff6d9}*{box-sizing:border-box}body{margin:0;min-width:320px}html{scroll-padding-top:12px}button,input,select{font:inherit}button{border:0}.app{min-height:100vh}.app-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:32px clamp(16px,4vw,48px) 22px;border-bottom:1px solid var(--border);background:#fff}.app-header h1,.quiz-toolbar h2,.empty-state h2{margin:0;letter-spacing:0}.app-header h1{font-size:2.4rem;line-height:1.05}.eyebrow{margin:0 0 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h2{font-size:1.25rem}.timer{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:800}.timer.is-expired{border-color:#efb4ae;background:var(--danger-bg);color:var(--danger)}.progress-pill{color:#35413a;font-weight:800}.status-banner{margin:18px 18px 0;border:1px solid #b9dcc2;border-radius:6px;background:var(--success-bg);color:var(--success);padding:12px 14px;font-weight:800}.status-banner.is-expired{border-color:#efb4ae;background:var(--danger-bg);color:var(--danger)}.results-summary{display:grid;justify-items:center;gap:20px;margin:18px;border:1px solid #b9dcc2;border-radius:8px;background:#fbfffc;padding:clamp(24px,5vw,48px);text-align:center}.results-summary h2{margin:0;color:#17211d;font-size:2rem;line-height:1.15}.results-main{display:flex;align-items:baseline;justify-content:center;gap:clamp(10px,2vw,18px);color:var(--accent-strong);font-weight:900;line-height:.95}.results-main span{font-size:clamp(4.2rem,13vw,9rem)}.results-main span:nth-child(2){color:#98a49c;font-size:clamp(2.8rem,8vw,6rem)}.results-grid{display:grid;grid-template-columns:repeat(3,minmax(110px,1fr));gap:12px;width:min(560px,100%)}.result-box{display:grid;gap:8px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:16px}.result-box span{color:var(--muted);font-size:.9rem;font-weight:800}.result-box strong{color:#17211d;font-size:clamp(2.3rem,6vw,4rem);line-height:1}.result-box.is-correct strong{color:var(--success)}.result-box.is-wrong strong{color:var(--danger)}.question-list{display:grid;gap:14px;margin:0;padding:18px;list-style:none;counter-reset:question}.question-card{border:1px solid var(--border);border-radius:8px;background:#fff;padding:18px}.question-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;color:var(--muted);font-size:.84rem;font-weight:750}.question-meta a{display:inline-flex;align-items:center;gap:5px;color:var(--blue);text-decoration:none}.question-meta a:hover{text-decoration:underline}.question-text{margin:13px 0 16px;color:#17211d;font-size:1.02rem;font-weight:750;line-height:1.45}.question-images{display:flex;flex-wrap:wrap;align-items:flex-start;gap:14px;margin:0 0 16px}.question-images img{width:auto;max-width:min(280px,100%);max-height:240px;border:1px solid var(--border);border-radius:6px;background:#fff;object-fit:contain}.option-list{display:grid;gap:9px}.option-row{display:grid;grid-template-columns:20px 32px minmax(0,1fr);align-items:start;gap:10px;min-height:48px;border:1px solid var(--border);border-radius:7px;padding:12px;cursor:pointer}.option-row:hover{border-color:#aeb9b1;background:#fbfdfb}.option-row input{width:17px;height:17px;margin:3px 0 0;accent-color:var(--accent)}.option-key{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#edf2ef;color:#27322d;font-size:.82rem;font-weight:900}.option-text{min-width:0;line-height:1.42}.option-row.is-selected{border-color:#126a5694;background:#f0f7f4}.option-row.is-correct{border-color:#6fbe84;background:var(--success-bg)}.option-row.is-wrong{border-color:#e09a94;background:var(--danger-bg)}@media(max-width:980px){.app-header{align-items:flex-start;flex-direction:column;gap:14px}.header-metrics{justify-content:flex-start}.main-layout{grid-template-columns:1fr;gap:16px}.setup-panel{position:static}.quiz-toolbar{grid-template-columns:1fr 1fr}.quiz-toolbar>:first-child{grid-column:1 / -1}}@media(max-width:620px){body{background:#fff}.app-header{padding:18px 12px 16px}.app-header h1{font-size:1.65rem;line-height:1.12}.eyebrow{font-size:.7rem}.main-layout{padding:12px 10px 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