.loading-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:9999}.loader{background:white;padding:20px 40px;border-radius:16px;box-shadow:0 4px 6px rgba(0,0,0,.1);text-align:center}.spinner{width:40px;height:40px;margin:0 auto 10px;border:4px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;animation:spin 1s linear infinite}.loader p{color:#333;font-size:16px;margin:0}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}