:root{--color-primary: #310070;--color-primary-light: #C23FFF;--color-primary-dark: #220050;--color-primary-bg: #ECD2FB;--color-accent: #C23FFF;--color-success: #16A34A;--color-success-bg: #DCFCE7;--color-error: #DC2626;--color-error-bg: #FEE2E2;--color-text: #310070;--color-text-secondary: #6B7280;--color-bg: #F6F4EB;--color-surface: #FFFFFF;--color-border: #ECD2FB;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 30px;--shadow-sm: 0 1px 3px rgba(49, 0, 112, .06);--shadow-md: 0 4px 16px rgba(49, 0, 112, .08);--shadow-lg: 0 8px 32px rgba(49, 0, 112, .1);--font-family: "Roboto", system-ui, -apple-system, sans-serif;--font-display: "Source Serif 4", Georgia, serif;--max-width: 720px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);min-height:100vh;line-height:1.5}#root{min-height:100vh;display:flex;flex-direction:column}.screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px 24px}.game-screen{justify-content:flex-start;padding-top:40px;max-width:var(--max-width);margin:0 auto;width:100%}.loading-screen,.error-screen{text-align:center;color:var(--color-text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.error-screen h2{color:var(--color-error);margin-bottom:8px}.brand-logo{height:48px;width:auto;margin-bottom:20px}.intro-logo{height:40px;width:auto;margin-bottom:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border:none;border-radius:var(--radius-xl);font-family:var(--font-family);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-large{padding:16px 44px;font-size:1.1rem;border-radius:var(--radius-xl)}.intro-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:48px;text-align:center;box-shadow:var(--shadow-lg);max-width:520px;width:100%}.intro-icon{font-size:3rem;margin-bottom:16px}.intro-title{font-family:var(--font-display);font-size:2.25rem;font-weight:700;color:var(--color-primary);margin-bottom:12px}.intro-description{color:var(--color-text-secondary);font-size:1.05rem;margin-bottom:32px;line-height:1.6}.intro-meta{display:flex;justify-content:center;gap:40px;margin-bottom:32px}.meta-item{display:flex;flex-direction:column;align-items:center}.meta-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);font-weight:600;margin-bottom:4px}.meta-value{font-size:1.5rem;font-weight:700;color:var(--color-primary)}.intro-greeting{color:var(--color-text-secondary);margin-bottom:24px}.progress-container{width:100%;margin-bottom:32px}.progress-info{display:flex;justify-content:space-between;margin-bottom:8px}.progress-text{font-size:.875rem;font-weight:600;color:var(--color-text-secondary)}.progress-score{font-size:.875rem;font-weight:700;color:var(--color-primary)}.progress-track{width:100%;height:8px;background:var(--color-primary-bg);border-radius:100px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:100px;transition:width .4s ease}.question-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:40px;box-shadow:var(--shadow-md);width:100%}.question-header{margin-bottom:16px}.question-number{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-primary)}.question-text{font-family:var(--font-display);font-size:1.4rem;font-weight:600;line-height:1.4;margin-bottom:28px;color:var(--color-primary)}.options-grid{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.option-btn{display:flex;align-items:center;gap:16px;width:100%;padding:16px 20px;background:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;text-align:left;font-family:var(--font-family);font-size:1rem}.option-btn:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-primary-bg)}.option-btn.correct{border-color:var(--color-success);background:var(--color-success-bg)}.option-btn.incorrect{border-color:var(--color-error);background:var(--color-error-bg)}.option-btn.dimmed{opacity:.5}.option-letter{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--color-surface);border:2px solid var(--color-border);font-weight:700;font-size:.85rem;color:var(--color-text-secondary);flex-shrink:0}.option-btn.correct .option-letter{background:var(--color-success);border-color:var(--color-success);color:#fff}.option-btn.incorrect .option-letter{background:var(--color-error);border-color:var(--color-error);color:#fff}.option-text{flex:1;line-height:1.4}.feedback{display:flex;gap:16px;padding:20px;border-radius:var(--radius-md);margin-bottom:24px}.feedback-correct{background:var(--color-success-bg);border:1px solid var(--color-success)}.feedback-incorrect{background:var(--color-error-bg);border:1px solid var(--color-error)}.feedback-icon{font-size:1.25rem;font-weight:700;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.feedback-correct .feedback-icon{background:var(--color-success);color:#fff}.feedback-incorrect .feedback-icon{background:var(--color-error);color:#fff}.feedback-title{font-weight:700;margin-bottom:4px}.feedback-correct .feedback-title{color:var(--color-success)}.feedback-incorrect .feedback-title{color:var(--color-error)}.feedback-explanation{color:var(--color-text-secondary);font-size:.95rem;line-height:1.5}.results-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:48px;text-align:center;box-shadow:var(--shadow-lg);max-width:560px;width:100%}.results-badge{font-size:3.5rem;margin-bottom:16px}.results-title{font-family:var(--font-display);font-size:2.25rem;font-weight:700;margin-bottom:8px}.badge-passed+.results-title{color:var(--color-success)}.badge-failed+.results-title{color:var(--color-primary)}.results-subtitle{color:var(--color-text-secondary);margin-bottom:32px;font-size:1.05rem}.score-display{margin-bottom:24px}.score-circle{width:120px;height:120px;border-radius:50%;background:var(--color-primary-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;border:4px solid var(--color-primary)}.score-value{font-size:2.25rem;font-weight:800;color:var(--color-primary)}.score-detail{color:var(--color-text-secondary);font-size:.95rem}.status-chip{display:inline-block;padding:6px 20px;border-radius:100px;font-size:.85rem;font-weight:700;letter-spacing:.1em;margin-bottom:32px}.chip-passed{background:var(--color-success-bg);color:var(--color-success)}.chip-failed{background:var(--color-error-bg);color:var(--color-error)}.results-summary{text-align:left;margin-bottom:32px}.results-summary h3{font-size:1rem;font-weight:700;margin-bottom:4px}.review-hint{font-size:.8rem;color:var(--color-text-secondary);margin-bottom:16px}.summary-list{display:flex;flex-direction:column;gap:6px}.summary-item{background:var(--color-bg);border-radius:var(--radius-md);font-size:.9rem;overflow:hidden}.summary-item.clickable{cursor:pointer}.summary-header{display:flex;align-items:center;gap:12px;padding:14px 16px;width:100%;border:none;background:none;cursor:pointer;font-family:var(--font-family);font-size:.9rem;text-align:left;color:var(--color-text)}.summary-header:hover{background:var(--color-primary-bg)}.summary-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.75rem;font-weight:700;flex-shrink:0;color:#fff}.summary-icon.icon-correct{background:var(--color-success)}.summary-icon.icon-incorrect{background:var(--color-error)}.summary-text{flex:1;line-height:1.4;color:var(--color-text)}.summary-chevron{font-size:.8rem;color:var(--color-text-secondary);transition:transform .2s ease;flex-shrink:0}.summary-chevron.open{transform:rotate(180deg)}.summary-detail{padding:0 16px 16px}.answer-options{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.answer-option{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--color-surface);border:1px solid var(--color-border);font-size:.85rem}.answer-option.correct-option{border-color:var(--color-success);background:var(--color-success-bg)}.answer-option.wrong-option{border-color:var(--color-error);background:var(--color-error-bg)}.answer-letter{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--color-bg);font-weight:700;font-size:.75rem;color:var(--color-text-secondary);flex-shrink:0}.correct-option .answer-letter{background:var(--color-success);color:#fff}.wrong-option .answer-letter{background:var(--color-error);color:#fff}.answer-text{flex:1}.answer-tag{font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:100px;text-transform:uppercase;letter-spacing:.03em;flex-shrink:0}.correct-tag{background:var(--color-success);color:#fff}.wrong-tag{background:var(--color-error);color:#fff}.answer-explanation{padding:12px 14px;background:var(--color-surface);border-radius:var(--radius-sm);font-size:.85rem;color:var(--color-text-secondary);line-height:1.5;border-left:3px solid var(--color-accent)}.catalog-screen{justify-content:flex-start;padding-top:48px;max-width:900px;margin:0 auto;width:100%}.catalog-header{text-align:center;margin-bottom:40px}.catalog-title{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--color-primary);margin-bottom:8px}.catalog-greeting{color:var(--color-text-secondary);font-size:1.05rem}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;width:100%}.catalog-card{display:flex;flex-direction:column;align-items:flex-start;padding:28px;background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-xl);cursor:pointer;transition:all .2s ease;text-align:left;font-family:var(--font-family);box-shadow:var(--shadow-sm)}.catalog-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}.catalog-card-icon{font-size:2rem;margin-bottom:12px}.catalog-card-title{font-family:var(--font-display);font-size:1.25rem;font-weight:600;color:var(--color-primary);margin-bottom:8px}.catalog-card-desc{font-size:.9rem;color:var(--color-text-secondary);line-height:1.5;margin-bottom:16px;flex:1}.catalog-card-meta{display:flex;gap:8px;margin-bottom:16px}.catalog-badge{padding:3px 12px;background:var(--color-primary-bg);color:var(--color-primary);border-radius:100px;font-size:.75rem;font-weight:600}.catalog-card-cta{color:var(--color-accent);font-weight:600;font-size:.95rem}@media(max-width:640px){.screen{padding:16px}.intro-card,.question-card,.results-card{padding:24px}.intro-title,.results-title{font-size:1.5rem}.question-text{font-size:1.15rem}.intro-meta{gap:24px}.score-circle{width:100px;height:100px}.score-value{font-size:1.75rem}}