.checklist-item.checked{background:linear-gradient(135deg,#e8f5e9 0%,#c8e6c9 100%);border-color:var(--secondary)}.checklist-item.checked .checklist-checkbox{background:var(--secondary);border-color:var(--secondary)}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:white;animation:spin 1s ease-in-out infinite}.fade-in{animation:fadeIn .5s ease}