.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(255,255,255,.95);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999;opacity:1;transition:opacity .5s ease-out,visibility .5s}.loader-spinner{border:8px solid #f3f3f3;border-top:8px solid #3498db;border-radius:50%;width:60px;height:60px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.loader-text{margin-top:20px;font-size:2rem;color:#333;font-weight:700}.loader-hidden{opacity:0;visibility:hidden}