/* Loading Spinner Styles */
        #loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            z-index: 9999;
        }
        
        .loading-spinner {
            width: 5rem;
            height: 5rem;
            border: 0.5rem solid #f3f3f3;
            border-top: 0.5rem solid #0078d7;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 1.5rem;
        }
        
        .loading-text {
            font-size: 1.5rem;
            font-weight: 500;
            color: #0078d7;
            font-family: 'Roboto', sans-serif;
            margin-top: 1rem;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }