.loading-placeholder{text-align:center;margin:50px 0;font-size:1.2rem;color:#333}.spinner{width:60px;height:60px;border:6px solid #0000001a;border-top-color:#007bff;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 70px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.skeleton-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:40px;padding:20px}.skeleton-card{background-color:#e5e7eb;height:420px;border-radius:12px;animation:pulse 1.2s infinite;box-shadow:0 4px 8px #0000001a}@keyframes pulse{0%{background-color:#e5e7eb}50%{background-color:#f1f3f5}to{background-color:#e5e7eb}}.skeleton-card:hover{transform:scale(1.03);transition:transform .3s ease-in-out}