.quiz-layout{max-width:800px;margin:0 auto;padding:40px 24px 80px}.quiz-screen{display:none;animation:fadeUp .4s ease}.quiz-screen.active{display:block}.quiz-hero{text-align:center;margin-bottom:48px}.quiz-hero-icon{font-size:64px;margin-bottom:16px}.quiz-hero h1{font-size:36px;margin-bottom:12px}.quiz-hero p{font-size:16px;color:var(--text-secondary)}.quiz-select-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}.quiz-select-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;cursor:pointer;transition:var(--transition)}.quiz-select-card:hover{border-color:var(--border-hover);transform:translateY(-6px);box-shadow:var(--shadow-card)}.quiz-select-card.featured{border-color:rgba(99,102,241,.4);background:linear-gradient(180deg,rgba(99,102,241,.08),var(--bg-card));box-shadow:var(--shadow-glow)}.qsc-icon{font-size:48px;margin-bottom:12px}.quiz-select-card h3{font-size:18px;margin-bottom:8px}.quiz-select-card p{font-size:13px;color:var(--text-secondary);margin-bottom:16px;line-height:1.6}.qsc-meta{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--text-muted)}.best-scores{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.best-scores h2{font-size:18px;margin-bottom:20px}.score-row{display:flex;align-items:center;gap:16px;margin-bottom:12px}.sr-pct{font-size:16px;font-weight:800;min-width:48px;text-align:right}.sr-pct.good{color:#34d399}.sr-pct.ok{color:var(--accent-light)}.sr-pct.bad{color:#f87171}.sr-bar-wrap{flex:1}.quiz-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:16px}.quiz-progress-wrap{text-align:center}.quiz-progress-text{font-size:13px;color:var(--text-muted);margin-bottom:8px}.quiz-timer{font-size:18px;font-weight:700;color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border);padding:8px 20px;border-radius:var(--radius-sm);transition:color .3s}.question-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;margin-bottom:20px}.question-category{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--primary-light);margin-bottom:12px}.question-number{font-size:60px;font-weight:900;color:rgba(99,102,241,.15);line-height:1;margin-bottom:8px;font-family:'Space Grotesk',sans-serif}.question-text{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:28px;line-height:1.5}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.option-btn{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);font-size:14px;font-weight:500;font-family:Inter,sans-serif;cursor:pointer;text-align:left;transition:var(--transition)}.option-btn:hover:not([disabled]){background:var(--bg-card-hover);border-color:var(--primary);color:var(--text-primary);transform:translateX(4px)}.option-btn.correct{background:rgba(16,185,129,.15)!important;border-color:var(--success)!important;color:#34d399!important;animation:popCorrect .4s ease}.option-btn.wrong{background:rgba(239,68,68,.15)!important;border-color:var(--danger)!important;color:#f87171!important}.option-btn.dim{opacity:.4}.opt-letter{width:28px;height:28px;background:rgba(99,102,241,.2);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--primary-light);flex-shrink:0}.option-btn.correct .opt-letter{background:rgba(16,185,129,.3);color:#34d399}.option-btn.wrong .opt-letter{background:rgba(239,68,68,.3);color:#f87171}.question-result{margin-top:16px;padding:12px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:15px}.question-result.correct{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#34d399}.question-result.wrong{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#f87171}.next-btn{width:100%;padding:16px;font-size:16px;border-radius:var(--radius);animation:fadeUp .3s ease}.results-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 40px;text-align:center;animation:bounceIn .6s ease}.results-emoji{font-size:80px;margin-bottom:16px}.results-card h1{font-size:36px;margin-bottom:16px}.results-score{font-size:64px;font-weight:900;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;margin-bottom:8px}.results-percentage{font-size:24px;color:var(--text-secondary);margin-bottom:16px}.results-xp{display:inline-block;padding:8px 24px;background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.3);border-radius:999px;color:var(--accent-light);font-weight:700;font-size:16px;margin-bottom:32px}.results-breakdown{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.rb-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 24px;border-radius:var(--radius);min-width:100px}.rb-item.correct{background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.2)}.rb-item.correct span:last-child{font-size:28px;font-weight:800;color:#34d399}.rb-item.wrong{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2)}.rb-item.wrong span:last-child{font-size:28px;font-weight:800;color:#f87171}.rb-item.bonus{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2)}.rb-item.bonus span:last-child{font-size:28px;font-weight:800;color:var(--accent-light)}.rb-item span:first-child{font-size:13px;color:var(--text-muted)}.results-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:32px}.answer-review{display:flex;align-items:flex-start;gap:14px;padding:16px;border-radius:var(--radius);margin-bottom:10px;text-align:left}.answer-review.correct{background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.15)}.answer-review.wrong{background:rgba(239,68,68,.06);border:1px solid rgba(239,68,68,.15)}.ar-num{width:28px;height:28px;border-radius:8px;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--text-muted);flex-shrink:0}.ar-content{flex:1}.ar-q{font-size:14px;font-weight:600;margin-bottom:4px}.ar-ans{font-size:13px;color:var(--text-secondary)}.ar-correct{font-size:13px;color:#34d399;margin-top:2px}.ar-icon{font-size:20px}@media (max-width:768px){.quiz-select-grid{grid-template-columns:1fr}.options-grid{grid-template-columns:1fr}.question-text{font-size:18px}.quiz-header{flex-direction:column;align-items:stretch}.results-card{padding:28px 20px}}