:root{color:#17201a;background:#f5f7f2;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;--surface: #ffffff;--surface-strong: #eef3eb;--ink-muted: #607064;--line: #d8e0d6;--accent: #0b6f6f;--accent-dark: #075657;--correct: #18794e;--correct-soft: #e7f5ed;--wrong: #b42318;--wrong-soft: #fff1ef;--focus: #d29b0a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}button,select{font:inherit}.appShell{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:28px 0 56px}.topBar{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:8px 0 22px}.eyebrow{margin:0 0 6px;color:var(--accent-dark);font-size:.8rem;font-weight:800;text-transform:uppercase}h1{margin:0;font-size:clamp(2rem,4vw,3.8rem);line-height:1}.quizPicker{display:grid;gap:6px;min-width:230px;color:var(--ink-muted);font-size:.9rem;font-weight:700}.quizPicker select{width:100%;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:#17201a;padding:10px 12px}.scoreStrip{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:repeat(5,minmax(92px,1fr)) auto;gap:1px;align-items:stretch;margin:0 0 18px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--line);box-shadow:0 10px 30px #17201a14}.scoreBlock,.scoreActions button{background:#fffffff0;border:0}.scoreBlock{display:grid;align-content:center;min-height:72px;padding:12px 14px}.scoreValue{font-size:1.5rem;font-weight:850}.scoreLabel{color:var(--ink-muted);font-size:.78rem;font-weight:760;text-transform:uppercase}.percentBlock .scoreValue{color:var(--accent-dark)}.scoreActions{display:grid;min-width:108px;background:#fffffff0}.scoreActions button{min-height:36px;padding:0 16px;cursor:pointer;font-weight:800}.exportButton{color:var(--accent-dark)}.exportButton:hover{background:#edf8f7}.resetButton{color:var(--wrong)}.resetButton:hover{background:var(--wrong-soft)}.progressGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:6px;margin:0 0 24px}.progressDot{display:grid;min-height:34px;place-items:center;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink-muted);font-size:.82rem;font-weight:800;text-decoration:none}.progressDot.correct{border-color:#18794e59;background:var(--correct-soft);color:var(--correct)}.progressDot.incorrect{border-color:#b423184d;background:var(--wrong-soft);color:var(--wrong)}.questionList{display:grid;gap:14px}.questionCard{scroll-margin-top:112px;border:1px solid var(--line);border-left:6px solid var(--line);border-radius:8px;background:var(--surface);padding:18px}.questionCard.correct{border-left-color:var(--correct)}.questionCard.incorrect{border-left-color:var(--wrong)}.questionHeader{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.questionHeader h2{margin:0;font-size:1rem}.statusPill{border-radius:999px;background:var(--surface-strong);color:var(--ink-muted);padding:5px 10px;font-size:.78rem;font-weight:800}.statusPill.correct{background:var(--correct-soft);color:var(--correct)}.statusPill.incorrect{background:var(--wrong-soft);color:var(--wrong)}.questionPrompt{margin:0 0 14px;max-width:82ch;font-size:1.04rem;line-height:1.5;white-space:pre-wrap}.choices{display:grid;gap:8px}.choiceButton{display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:start;width:100%;border:1px solid var(--line);border-radius:6px;background:#fbfcfa;color:#17201a;padding:10px;cursor:pointer;text-align:left}.choiceButton:hover{border-color:var(--accent);background:#f2faf8}.choiceButton:focus-visible{outline:3px solid rgba(210,155,10,.36);outline-offset:2px}.choiceButton.selected{border-color:var(--accent);background:#edf8f7}.choiceButton.correctChoice{border-color:#18794e73;background:var(--correct-soft)}.choiceButton.wrongChoice{border-color:#b4231861;background:var(--wrong-soft)}.choiceLetter{display:grid;width:30px;height:30px;place-items:center;border-radius:5px;background:#17201a;color:#fff;font-weight:850}.correctChoice .choiceLetter{background:var(--correct)}.wrongChoice .choiceLetter{background:var(--wrong)}.choiceText{min-width:0;line-height:1.45}.answerLine{margin:14px 0 0;color:var(--ink-muted);font-weight:750}.emptyState{display:grid;min-height:60vh;place-content:center;text-align:center}@media(max-width:800px){.appShell{width:min(100% - 20px,1160px);padding-top:18px}.topBar{align-items:stretch;flex-direction:column;gap:16px}.quizPicker{min-width:0}.scoreStrip{grid-template-columns:repeat(3,1fr);position:static}.scoreActions{grid-column:span 3;grid-template-columns:1fr 1fr}.scoreActions button{min-height:54px}.questionCard{scroll-margin-top:18px;padding:14px}.questionHeader{align-items:start;flex-direction:column;gap:8px}}