.quiz-selector.svelte-p27az8{padding:20px}.quiz-selector.svelte-p27az8 h2:where(.svelte-p27az8){font-size:1.125rem;margin-bottom:16px}.quiz-option.svelte-p27az8{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px;background:var(--bg);border-radius:12px;margin-bottom:12px;cursor:pointer;transition:all .2s ease;border:2px solid transparent;text-align:left;font-family:inherit;color:var(--text)}.quiz-option.svelte-p27az8:hover{border-color:var(--primary);transform:translateY(-2px)}.quiz-option.svelte-p27az8:active{transform:scale(.98)}.quiz-option-info.svelte-p27az8 h3:where(.svelte-p27az8){font-size:1rem;margin-bottom:4px}.quiz-option-info.svelte-p27az8 p:where(.svelte-p27az8){font-size:.875rem;color:var(--text-muted)}.quiz-option-arrow.svelte-p27az8{color:var(--primary);font-size:1.5rem}.header.svelte-1r2me6y{padding:16px}.header.svelte-1r2me6y h1:where(.svelte-1r2me6y){font-size:1.25rem;font-weight:700;margin-bottom:8px}.progress-container.svelte-1r2me6y{display:flex;align-items:center;gap:12px}.progress-bar.svelte-1r2me6y{flex:1;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill.svelte-1r2me6y{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));transition:width .3s ease;border-radius:4px}.progress-text.svelte-1r2me6y{font-size:.875rem;font-weight:600;color:var(--text-muted);min-width:60px;text-align:right}.math-text.svelte-1phmkvj{display:inline}.math-text.svelte-1phmkvj .katex-display{margin:.5em 0;overflow-x:auto;overflow-y:hidden}.question-card.svelte-15itcsy{padding:24px 20px}.question-meta.svelte-15itcsy{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.question-number.svelte-15itcsy{font-size:.75rem;font-weight:600;color:var(--primary);background:#6366f11a;padding:6px 12px;border-radius:20px}.quiz-title.svelte-15itcsy{font-size:.75rem;color:var(--text-muted);max-width:50%;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.question-text.svelte-15itcsy{font-size:1.125rem;line-height:1.6;margin-bottom:24px}.options.svelte-15itcsy{display:flex;flex-direction:column;gap:12px}.option.svelte-15itcsy{display:flex;align-items:flex-start;gap:12px;padding:16px;background:var(--bg);border-radius:12px;cursor:pointer;transition:all .2s ease;border:2px solid transparent;-webkit-user-select:none;user-select:none;text-align:left;font-family:inherit;font-size:inherit;color:var(--text);width:100%}.option.svelte-15itcsy:hover:not(.disabled){border-color:var(--primary);background:#6366f10d}.option.svelte-15itcsy:active:not(.disabled){transform:scale(.98)}.option.disabled.svelte-15itcsy{cursor:default}.option.correct.svelte-15itcsy{border-color:var(--success);background:var(--success-bg)}.option.incorrect.svelte-15itcsy{border-color:var(--error);background:var(--error-bg)}.option-letter.svelte-15itcsy{width:32px;height:32px;min-width:32px;display:flex;align-items:center;justify-content:center;background:var(--card-bg);border-radius:8px;font-weight:600;font-size:.875rem;color:var(--text-muted);border:1px solid var(--border);transition:all .2s ease}.option-letter.selected.svelte-15itcsy{background:var(--primary);color:#fff;border-color:var(--primary)}.option-letter.correct.svelte-15itcsy{background:var(--success);color:#fff;border-color:var(--success)}.option-letter.incorrect.svelte-15itcsy{background:var(--error);color:#fff;border-color:var(--error)}.option-text.svelte-15itcsy{flex:1;line-height:1.5;padding-top:4px}.explanation.svelte-15itcsy{margin-top:20px;padding:16px;background:#6366f10d;border-left:4px solid var(--primary);border-radius:0 12px 12px 0;animation:svelte-15itcsy-slideIn .3s ease}.explanation.correct.svelte-15itcsy{background:var(--success-bg);border-left-color:var(--success)}.explanation.incorrect.svelte-15itcsy{background:var(--error-bg);border-left-color:var(--error)}.explanation-header.svelte-15itcsy{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:600}.explanation-header.correct.svelte-15itcsy{color:var(--success)}.explanation-header.incorrect.svelte-15itcsy{color:var(--error)}.explanation-text.svelte-15itcsy{font-size:.9375rem;line-height:1.6;color:var(--text)}@keyframes svelte-15itcsy-slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(prefers-color-scheme:dark){.option.svelte-15itcsy{background:#ffffff0d}.option-letter.svelte-15itcsy{background:var(--bg)}}.nav-buttons.svelte-1429x72{position:fixed;bottom:0;left:0;right:0;padding:16px;background:var(--card-bg);box-shadow:0 -4px 6px -1px #0000001a;display:flex;gap:12px;z-index:100}.results.svelte-16zc0mi{padding:32px 24px;text-align:center}.results-icon.svelte-16zc0mi{width:80px;height:80px;margin:0 auto 24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px}.results-icon.good.svelte-16zc0mi{background:var(--success-bg)}.results-icon.bad.svelte-16zc0mi{background:var(--error-bg)}.results.svelte-16zc0mi h2:where(.svelte-16zc0mi){font-size:1.5rem;margin-bottom:8px}.results-score.svelte-16zc0mi{font-size:3rem;font-weight:700;color:var(--primary);margin-bottom:8px}.results-detail.svelte-16zc0mi{color:var(--text-muted);margin-bottom:24px}.results-stats.svelte-16zc0mi{display:flex;justify-content:center;gap:32px;margin-bottom:24px}.stat.svelte-16zc0mi{text-align:center}.stat-value.svelte-16zc0mi{font-size:1.5rem;font-weight:700}.stat-value.correct.svelte-16zc0mi{color:var(--success)}.stat-value.incorrect.svelte-16zc0mi{color:var(--error)}.stat-label.svelte-16zc0mi{font-size:.875rem;color:var(--text-muted)}.nav-buttons.svelte-16zc0mi{position:fixed;bottom:0;left:0;right:0;padding:16px;background:var(--card-bg);box-shadow:0 -4px 6px -1px #0000001a;display:flex;gap:12px;z-index:100}.error-card.svelte-1uha8ag{padding:32px 24px;text-align:center}.error-icon.svelte-1uha8ag{font-size:48px;margin-bottom:16px}.error-card.svelte-1uha8ag h2:where(.svelte-1uha8ag){margin-bottom:8px}.error-card.svelte-1uha8ag p:where(.svelte-1uha8ag){color:var(--text-muted);margin-bottom:24px}