.quiz-option.selected{background:#667eea;color:#fff;border-color:#667eea}.quiz-result.show{display:block;animation:fadeIn .5s}.reveal-content.show{display:block;animation:slideDown .4s ease}.safety-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin:20px 0}.safety-card{background:#fff;border-radius:8px;padding:20px;text-align:center;cursor:pointer;transition:all .3s ease;border:2px solid #e0e0e0;min-height:120px;display:flex;flex-direction:column;justify-content:center}.safety-card:hover{transform:translateY(-5px);box-shadow:0 8px 15px rgba(0,0,0,.1);border-color:#667eea}.safety-card h4{color:#2c3e50;margin-bottom:10px;font-size:1.2em}.safety-card p{color:#7f8c8d;font-size:.9em;margin:0;display:none}.safety-card.active p{display:block;animation:fadeIn .3s}.progress-checkbox.checked{background:#667eea}.progress-checkbox.checked::after{content:"✓";color:#fff;font-weight:700}.myth-card.revealed .myth-truth{display:block;animation:fadeIn .4s}.age-button.active{background:#ff9a9e;color:#fff;border-color:#ff9a9e}.age-content.show{display:block;animation:fadeIn .4s}@media (max-width:768px){.safety-grid{grid-template-columns:1fr}}