@keyframes skeleton-loading{0%{opacity:1}to{opacity:.4}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.skeleton-base{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite alternate}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.loading-spinner-icon{width:40px;height:40px;border:3px solid #f3f3f3;border-top-color:#007bff;border-radius:50%;animation:spin 1s linear infinite}.error-state{text-align:center;padding:40px 20px}.error-state h3{color:#dc3545;margin-bottom:8px}.error-state p{color:#6c757d;margin-bottom:20px}.empty-state{text-align:center;padding:40px 20px}.empty-state h3{color:#6c757d;margin-bottom:8px}.empty-state p{color:#6c757d}.product-card-skeleton .thumbnail{background-color:#f8f9fa;border-radius:8px;position:relative;overflow:hidden}.product-detail-skeleton{padding:20px 0}.image-error-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.1);display:flex;align-items:center;justify-content:center;font-size:12px;color:#666;border-radius:4px}.unified-image-container{position:relative;overflow:hidden;border-radius:4px}.unified-image-container img{transition:opacity .3s ease}.image-error-fallback{display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#f8f9fa;border:2px dashed #dee2e6;border-radius:8px;color:#6c757d;font-size:14px;text-align:center;padding:20px}.image-error-fallback button{margin-top:10px;padding:5px 10px;background-color:#007bff;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:12px;transition:background-color .2s ease}.image-error-fallback button:hover{background-color:#0056b3}