.quiz-option.selected{background:#667eea;border-color:#667eea;color:white}.quiz-option.correct{background:#10b981;border-color:#10b981;color:white}.quiz-option.incorrect{background:#ef4444;border-color:#ef4444;color:white}.reveal-box.show{display:block;animation:slideDown .5s ease}.truth-reveal.show{display:block}.btn-primary{background:#667eea;color:white;border:none;border-radius:8px;padding:12px 24px;font-size:1em;cursor:pointer;transition:all .3s ease;font-weight:600}.btn-primary:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 5px 15px rgba(102,126,234,.4)}.checklist-item.checked{background:#d1fae5;border-color:#10b981}.checklist-item.checked .checkbox-custom{background:#10b981}.checklist-item.checked .checkbox-custom::after{display:block}