.quiz-shell{max-width:820px;margin:40px auto 80px;padding:0 24px}.quiz-header{margin-bottom:32px}.quiz-title{font-family:var(--font-heading);color:var(--color-text);margin-bottom:6px;font-size:1.9rem}.quiz-subtitle{color:var(--color-text-secondary);font-size:.95rem}.quiz-list{flex-direction:column;gap:16px;display:flex}.quiz-card{background:var(--color-surface);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:20px;padding:24px clamp(20px,4vw,32px)}.quiz-card-title{font-family:var(--font-heading);color:var(--color-text);margin-bottom:8px;font-size:1.15rem}.quiz-card-desc{color:var(--color-text-secondary);margin-bottom:16px;font-size:.92rem;line-height:1.55}.quiz-card-actions{flex-wrap:wrap;gap:10px;display:flex}.quiz-daily,.quiz-practice,.quiz-practice-results{max-width:640px;margin:40px auto 80px;padding:0 24px}.quiz-daily-header{margin-bottom:24px}.quiz-streak,.quiz-progress{color:var(--color-text-secondary);font-size:.9rem}.quiz-progress-row{justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;display:flex}.quiz-progress-points{font-family:var(--font-heading);color:var(--color-accent-strong);font-size:.85rem;font-weight:800}.quiz-progress-bar{border-radius:var(--radius-pill);background:var(--color-surface-alt);border:1px solid var(--color-border);height:8px;overflow:hidden}.quiz-progress-bar-fill{border-radius:var(--radius-pill);background:linear-gradient(90deg, var(--color-primary), var(--color-accent-strong));height:100%;transition:width .35s}.quiz-question-card{background:var(--color-surface);border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:20px;padding:28px clamp(20px,4vw,32px)}.quiz-question-text{color:var(--color-text);margin-bottom:20px;font-size:1.05rem;line-height:1.5}.quiz-options{flex-direction:column;gap:10px;margin-bottom:20px;display:flex}.quiz-option{text-align:left;font-family:var(--font-body);color:var(--color-text);background:var(--color-surface-alt);border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;padding:12px 16px;font-size:.95rem;transition:border-color .15s,background .15s}.quiz-option:hover:not(:disabled){border-color:var(--color-accent-strong)}.quiz-option--selected{border-color:var(--color-accent-strong);background:var(--color-accent)}.quiz-option--correct{border-color:var(--color-success);background:var(--color-success);color:#fff}.quiz-option--incorrect{border-color:var(--color-danger);background:var(--color-danger-bg);color:var(--color-danger)}.quiz-option:disabled{cursor:default}.quiz-option{position:relative}.quiz-option--pop{animation:.3s quiz-option-pop}@keyframes quiz-option-pop{0%{transform:scale(1)}40%{transform:scale(1.035)}to{transform:scale(1)}}.quiz-option-icon{vertical-align:middle;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;margin-left:10px;font-size:.85rem;font-weight:800;animation:.35s quiz-icon-pop;display:inline-flex}.quiz-option-icon--correct{color:var(--color-success);background:#fff}.quiz-option-icon--incorrect{background:var(--color-danger);color:#fff}@keyframes quiz-icon-pop{0%{opacity:0;transform:scale(0)}60%{opacity:1;transform:scale(1.25)}to{transform:scale(1)}}.quiz-points-popup{font-family:var(--font-heading);color:var(--color-success);text-align:center;margin:-6px 0 14px;font-size:.9rem;font-weight:800;animation:.5s quiz-points-popup}@keyframes quiz-points-popup{0%{opacity:0;transform:translateY(6px)}40%{opacity:1;transform:translateY(0)}to{opacity:1}}@media (prefers-reduced-motion:reduce){.quiz-option--pop,.quiz-option-icon,.quiz-points-popup{animation:none}}.quiz-result{border-top:1.5px solid var(--color-border);margin-top:20px;padding-top:20px}.quiz-result-banner{font-family:var(--font-heading);margin-bottom:10px;font-size:1.05rem}.quiz-result-banner--correct{color:var(--color-success)}.quiz-result-banner--incorrect{color:var(--color-danger)}.quiz-explanation{color:var(--color-text-secondary);margin-bottom:16px;font-size:.92rem;line-height:1.55}.quiz-share{background:var(--color-surface-alt);border-radius:var(--radius-md);padding:16px}.quiz-share-text{color:var(--color-text);margin-bottom:12px;font-size:.88rem;line-height:1.5}.quiz-score{color:var(--color-text);margin-bottom:24px;font-size:1.1rem}.quiz-score-card{background:linear-gradient(180deg, var(--color-surface-alt), var(--color-surface));border:1.5px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);flex-direction:column;align-items:center;gap:6px;margin-bottom:20px;padding:28px 20px;animation:.4s quiz-score-card-in;display:flex}@keyframes quiz-score-card-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.quiz-score-card-value{font-family:var(--font-heading);color:var(--color-accent-strong);font-size:3rem;font-weight:800;line-height:1}.quiz-score-card-total{color:var(--color-text-secondary);font-size:1.5rem;font-weight:700}.quiz-score-card-points{font-family:var(--font-heading);color:var(--color-text-secondary);font-size:.95rem;font-weight:700}.quiz-tier-badge{border-radius:var(--radius-pill);background:var(--color-accent);color:var(--color-accent-strong);font-family:var(--font-heading);margin-top:8px;padding:6px 18px;font-size:.85rem;font-weight:800;display:inline-block}.quiz-streak-card{justify-content:center;align-items:center;gap:8px;margin-bottom:4px;display:flex}.quiz-streak-count{font-family:var(--font-heading);color:var(--color-accent-strong);font-size:1.6rem;font-weight:800}.quiz-review-list{flex-direction:column;gap:14px;margin-bottom:28px;display:flex}.quiz-review-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:18px 20px}.quiz-review-card--correct{border-left:4px solid var(--color-success)}.quiz-review-card--incorrect{border-left:4px solid var(--color-danger)}.quiz-review-question{color:var(--color-text);margin-bottom:8px;font-size:.95rem;font-weight:700}.quiz-review-answer{color:var(--color-text-secondary);margin-bottom:4px;font-size:.88rem}.quiz-review-answer--correct{color:var(--color-success)}.quiz-empty{text-align:center;color:var(--color-text-secondary);padding:40px 24px}