#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #2A4D8F;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

/* Spinner */
#preloader .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* This is the body state to hide until ready */
body.preloading {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}