/* Global Loading Overlay */
#globalLoadingOverlay { display: flex; visibility: hidden; opacity: 0; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 9999; justify-content: center; align-items: center; transition: opacity 0.2s ease-in-out; }
#globalLoadingOverlay.show { visibility: visible; opacity: 1; }
#globalLoadingOverlay .loading-content { text-align: center; background: white; padding: 2rem; border-radius: 0.5rem; box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); }