.loading-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:9999}.loading-modal{background:white;padding:20px 40px;border-radius:8px;text-align:center;box-shadow:0 4px 15px #0003}.spinner{width:40px;height:40px;border:4px solid rgba(0,0,0,.2);border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 15px}@keyframes spin{to{transform:rotate(360deg)}}.loading-modal p{font-size:1rem;color:#333}.catalog-container{padding:20px;max-width:1200px;margin:auto}.catalog-title{font-size:2rem;font-weight:700;margin-bottom:20px;text-align:center}.no-items{text-align:center;color:#777;font-style:italic}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.catalog-card{background:white;border-radius:10px;box-shadow:0 4px 12px #0000000d;overflow:hidden;transition:transform .2s ease}.catalog-card:hover{transform:translateY(-5px)}.catalog-card-body{padding:16px}.catalog-name{font-size:1.1rem;font-weight:600;margin-bottom:8px}.catalog-description{font-size:.9rem;color:#555;min-height:50px;margin-bottom:16px}.catalog-btn{display:inline-block;padding:8px 12px;background:#007bff;color:#fff;text-decoration:none;border-radius:6px;font-weight:500;transition:background .2s ease}.catalog-btn:hover{background:#0056b3}