#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,0.95);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:9999;transition:opacity 0.3s ease-out}#loading-overlay.hidden{opacity:0;pointer-events:none}.loading-spinner{width:50px;height:50px;border:4px solid #e9ecef;border-top:4px solid #0d6efd;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.loading-text{margin-top:1rem;color:#6c757d;font-size:0.95rem}