.quiz-shell{max-width:760px;margin:0 auto}.quiz-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.quiz-meta{flex:1}.quiz-meta h3{font-size:1rem;color:var(--text)}.quiz-meta p{font-size:13px;color:var(--text-muted)}.quiz-progress{display:flex;align-items:center;gap:12px;margin-bottom:20px}.quiz-progress .progress-bar{flex:1}.quiz-progress-label{font-size:13px;color:var(--text-muted);white-space:nowrap}.timer-display{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-card);border-radius:var(--radius-full);border:2px solid var(--border);font-size:1.1rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text);min-width:90px;justify-content:center;flex-shrink:0}.timer-display.warning{border-color:var(--warning);color:var(--warning)}.timer-display.danger{border-color:var(--danger);color:var(--danger);animation:.8s infinite pulse}.timer-icon{font-size:1rem}.question-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:20px;animation:.3s both fadeIn}.question-number{font-size:12px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px;display:flex;align-items:center;gap:8px}.difficulty-pip{width:8px;height:8px;border-radius:50%;background:var(--success)}.difficulty-pip.medium{background:var(--warning)}.difficulty-pip.hard{background:var(--danger)}.question-text{font-size:1.25rem;font-weight:600;color:var(--text);margin-bottom:28px;line-height:1.5}.options-grid{display:grid;gap:12px}.option-btn{display:flex;align-items:center;gap:14px;padding:14px 18px;border:2px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);font-size:15px;font-weight:500;text-align:left;cursor:pointer;transition:all var(--transition);width:100%}.option-btn:hover:not(:disabled){border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.option-label{width:30px;height:30px;border-radius:var(--radius-full);background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;transition:all var(--transition)}.option-btn:hover:not(:disabled) .option-label{background:var(--primary);color:#fff}.option-btn.selected{border-color:var(--primary);background:var(--primary-light)}.option-btn.correct{border-color:var(--success);background:linear-gradient(135deg,#d1fae5 0,#a7f3d0 100%);color:#065f46;animation:.45s bounce-in;box-shadow:0 0 0 3px rgba(16,185,129,.25),var(--shadow-sm)}.option-btn.correct .option-label{background:var(--success);color:#fff;box-shadow:0 2px 8px rgba(16,185,129,.5)}.option-btn.wrong{border-color:var(--danger);background:linear-gradient(135deg,#fee2e2 0,#fecaca 100%);color:#991b1b;animation:.4s shake;box-shadow:0 0 0 3px rgba(239,68,68,.2)}.option-btn.wrong .option-label{background:var(--danger);color:#fff}.option-btn:disabled{cursor:default}.answer-feedback{border-radius:var(--radius);padding:14px 18px;margin-top:16px;font-size:14px;font-weight:600;display:flex;align-items:flex-start;gap:10px;animation:.25s both fadeIn}.answer-feedback.correct{background:linear-gradient(135deg,#d1fae5 0,#a7f3d0 100%);color:#065f46;border:1px solid #6ee7b7;animation:.4s bounce-in}.answer-feedback.wrong{background:linear-gradient(135deg,#fee2e2 0,#fecaca 100%);color:#991b1b;border:1px solid #fca5a5}.feedback-icon{font-size:1.2rem;flex-shrink:0}.feedback-explanation{margin-top:6px;font-size:13px;font-weight:400;opacity:.85}.question-visual{margin-top:10px;border-radius:var(--radius-sm);overflow:hidden}.question-card>.question-visual--emoji{font-size:2.4rem;letter-spacing:8px;padding:14px 16px;margin:12px 0;background:color-mix(in srgb,var(--primary) 8%,transparent);border:1.5px dashed color-mix(in srgb,var(--primary) 30%,transparent);border-radius:var(--radius);text-align:center}.question-card>.question-visual--svg{margin:12px 0;padding:12px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);display:flex;justify-content:center;align-items:center}.question-card>.question-visual--svg svg{max-width:100%;height:auto;max-height:200px}.question-visual--emoji{background:var(--bg);border-radius:var(--radius-sm);padding:10px 14px;font-size:1.8rem;letter-spacing:6px;text-align:center;font-weight:400}.question-visual--svg{background:var(--bg);padding:12px;display:flex;justify-content:center;align-items:center}.question-visual--svg svg{max-width:100%;height:auto;max-height:80px}.card .question-visual--emoji{font-size:2.2rem;padding:14px}.card .question-visual--svg svg{max-height:120px}.tts-bar{display:none;text-align:center;margin:14px 0 0}.tts-bar-inner{display:inline-flex;align-items:center;gap:8px;padding:9px 22px;background:rgba(74,108,247,.09);border:1px solid rgba(74,108,247,.22);border-radius:999px;color:var(--primary);font-family:inherit;cursor:pointer;user-select:none;transition:background .15s,transform .1s;-webkit-tap-highlight-color:transparent}.tts-bar-inner:active{transform:scale(.96);background:rgba(74,108,247,.17)}.tts-bar-icon{font-size:20px;line-height:1}.tts-bar-label{font-size:13px;font-weight:500}@keyframes tts-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.tts-bar.tts-playing .tts-bar-icon{animation:1.4s ease-in-out infinite tts-pulse}.tts-bar.tts-ready .tts-bar-inner{background:rgba(74,108,247,.05);border-style:dashed}.quiz-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:16px}.score-ring{width:140px;height:140px;border-radius:50%;background:conic-gradient(var(--primary) 0,var(--border) 0);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;position:relative}.score-ring::before{content:'';position:absolute;inset:12px;background:var(--bg-card);border-radius:50%}.score-ring-text{position:relative;z-index:1;text-align:center}.score-ring-text .score-pct{display:block;font-size:2rem;font-weight:800;color:var(--text)}.score-ring-text .score-sub{font-size:12px;color:var(--text-muted)}.report-breakdown{display:grid;gap:10px}.breakdown-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg);border-radius:var(--radius-sm);font-size:14px}.breakdown-item .q-num{font-weight:700;width:24px;flex-shrink:0}.breakdown-item .q-text{flex:1;color:var(--text)}.breakdown-item .q-status{font-size:1rem}.breakdown-item.correct-item{border-left:3px solid var(--success)}.breakdown-item.wrong-item{border-left:3px solid var(--danger)}.report-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}.report-stat{text-align:center}.report-stat-value{font-size:1.5rem;font-weight:800;line-height:1}.report-stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}.breakdown-answer-detail{padding:5px 16px 8px 52px;font-size:12px;color:var(--text-muted)}.badge-earned-card{border-left:4px solid var(--warning)}.badge-earned-grid{display:flex;flex-wrap:wrap;gap:10px}.badge-earned-item{display:flex;align-items:center;gap:8px;background:var(--bg);border-radius:var(--radius-sm);padding:8px 14px;font-size:14px;font-weight:600}.badge-earned-icon{font-size:1.4rem}.badge-earned-name{color:var(--text)}.report-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:0}.email-report-row{display:flex;gap:8px;flex-wrap:wrap}.email-report-input{flex:1;min-width:200px;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;outline:0;background:var(--bg);transition:border-color var(--transition)}.email-report-input:focus{border-color:var(--border-focus);background:#fff}.recommendation-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.recommendation-row:last-child{border-bottom:none}.xp-bar-wrap{background:var(--bg);border-radius:var(--radius-sm);padding:16px}.xp-bar-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px;font-weight:600}@media (max-width:600px){.question-card{padding:20px 16px}.question-text{font-size:1.05rem;margin-bottom:18px}.option-btn{padding:11px 14px;font-size:14px;gap:10px}.option-label{width:26px;height:26px;font-size:12px}.quiz-actions{flex-direction:column-reverse}.quiz-actions .btn{width:100%}.quiz-header{flex-direction:column;align-items:flex-start;gap:8px}.timer-display{align-self:flex-end}.score-ring{width:120px;height:120px}.score-ring::before{inset:10px}.score-ring-text .score-pct{font-size:1.6rem}.report-stats-grid{grid-template-columns:repeat(2,1fr)}.report-actions{flex-direction:column}.report-actions .btn{width:100%}.email-report-row{flex-direction:column}.email-report-input{min-width:unset;width:100%}.recommendation-row{flex-wrap:wrap;gap:8px}}.glossary-term{background:var(--bg-card);border-radius:var(--radius);padding:18px 20px;border:1px solid var(--border);margin-bottom:10px;transition:box-shadow var(--transition)}.glossary-term:hover{box-shadow:var(--shadow)}.glossary-term h4{color:var(--primary);margin-bottom:4px}.glossary-term p{font-size:14px;color:var(--text-muted)}.glossary-term .term-subject{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light)}