.choice-btn.selected{background:#48bb78;border-color:#48bb78;box-shadow:0 5px 20px rgba(72,187,120,.4)}.reveal-content.active{max-height:2000px}.scenario-response.active{display:block;animation:fadeIn .4s ease}.checklist-item.checked .checkbox-icon{background:#48bb78;border-color:#48bb78}.checklist-item.checked .checkbox-icon::after{content:"✓";color:white;font-weight:700}.myth-content.active{max-height:500px;margin-top:15px}.myth-content.active~.myth-label{display:none}.myth-content.active~.truth-label{display:inline-block}.milestone.completed{background:#48bb78;border-color:#48bb78}.milestone.completed .milestone-icon::after{content:" ✓"}