/* Inline CSS for the preloader */
    #preloader {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 9999;
        transition: opacity 0.3s ease-out;
    }
    #preloader.hidden {
        opacity: 0;
        pointer-events: none;
    }
    .spinner {
        border: 8px solid #f3f3f3; /* Light grey */
        border-top: 8px solid #3498db; /* Blue */
        border-radius: 50%;
        width: 50px;
        height: 50px;
        animation: spin 1s linear infinite;
    }
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }