@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.catalog-card{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.catalog-card.fade-in{opacity:1;transform:translateY(0)}.infinite-scroll-loader{min-height:100px}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center}