:root{color:#111827;font-synthesis:none;text-rendering:optimizelegibility;background:#f8fafc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at top,#e0f2fe 0,#0000 34rem),#f8fafc;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,720px);padding:max(24px, env(safe-area-inset-top)) 18px max(36px, env(safe-area-inset-bottom));margin:0 auto}.brand{align-items:center;gap:12px;margin-bottom:26px;display:flex}.brand-mark{color:#fff;background:#111827;border-radius:14px;place-items:center;width:44px;height:44px;font-size:22px;font-weight:800;display:grid}.brand strong,.brand span{display:block}.brand strong{font-size:18px}.brand span{color:#64748b;margin-top:2px;font-size:13px}.card{background:#fffffff5;border:1px solid #e2e8f0;border-radius:28px;padding:clamp(22px,5vw,38px);box-shadow:0 24px 80px #0f172a14}.eyebrow{color:#0284c7;text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:13px;font-weight:800}h1{letter-spacing:-.04em;margin:0;font-size:clamp(30px,8vw,48px);line-height:1.05}.intro{color:#475569;margin:16px 0 24px;font-size:17px;line-height:1.55}.scan-button,.secondary-button,.primary-button,.answer-button,.count-button,.link-button{cursor:pointer;border:0}.scan-button{text-align:left;color:#0c4a6e;background:#f0f9ff;border:2px dashed #7dd3fc;border-radius:22px;align-items:center;gap:18px;width:100%;min-height:118px;padding:20px;display:flex}.scan-button strong,.scan-button small{display:block}.scan-button strong{font-size:18px}.scan-button small{color:#0369a1;margin-top:5px}.scan-icon{font-size:40px}.preview{background:#f8fafc;border:1px solid #cbd5e1;border-radius:22px;overflow:hidden}.preview img{object-fit:contain;background:#0f172a;width:100%;max-height:290px;display:block}.preview .link-button{width:100%;padding:12px}.secondary-button,.primary-button{border-radius:16px;width:100%;min-height:54px;margin-top:12px;font-weight:800}.secondary-button{color:#1e293b;background:#e2e8f0}.primary-button{color:#fff;background:#111827}.primary-button:disabled{cursor:not-allowed;opacity:.45}.count-picker{border:0;margin:28px 0 0;padding:0}.count-picker legend{margin-bottom:12px;font-weight:800}.count-options{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.count-button{color:#334155;background:#f1f5f9;border-radius:14px;min-height:50px;font-weight:800}.count-button.selected{color:#fff;background:#0ea5e9}.privacy-note{text-align:center;color:#64748b;margin:14px 4px 0;font-size:12px}.error{color:#991b1b;background:#fef2f2;border-radius:14px;padding:12px 14px}.quiz-topline{color:#64748b;justify-content:space-between;font-size:14px;font-weight:700;display:flex}.progress-track{background:#e2e8f0;border-radius:999px;height:8px;margin:10px 0 30px;overflow:hidden}.progress-fill{border-radius:inherit;background:#0ea5e9;height:100%;transition:width .2s}.quiz-card h1{font-size:clamp(26px,7vw,38px)}.answers{gap:10px;margin-top:28px;display:grid}.answer-button{text-align:left;color:#1e293b;background:#fff;border:1px solid #cbd5e1;border-radius:16px;grid-template-columns:40px 1fr;align-items:center;gap:12px;min-height:62px;padding:10px 14px;display:grid}.answer-button:not(:disabled):hover{border-color:#38bdf8}.answer-button:disabled{cursor:default;opacity:1}.answer-letter{background:#f1f5f9;border-radius:10px;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.answer-button.correct{background:#f0fdf4;border-color:#22c55e}.answer-button.incorrect{background:#fef2f2;border-color:#ef4444}.feedback{border-radius:16px;margin:18px 0 2px;padding:16px}.feedback p{margin:6px 0 0;line-height:1.45}.feedback.success{color:#166534;background:#f0fdf4}.feedback.retry{color:#9a3412;background:#fff7ed}.result-card{text-align:center}.result-card h1{margin-bottom:24px}.score-ring{background:#f0f9ff;border:14px solid #bae6fd;border-radius:50%;place-items:center;width:150px;height:150px;margin:0 auto 20px;display:grid}.score-ring strong{font-size:36px}.result-card>p:not(.eyebrow){color:#475569}.link-button{color:#0369a1;background:0 0;margin-top:14px;font-weight:800}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}@media (width<=420px){.app-shell{padding-left:12px;padding-right:12px}.card{border-radius:22px}}
