#preloader {
    position: absolute;
    inset: 0;
background: rgba(255,255,255,0.7);

    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: opacity .35s ease, visibility .35s ease;
}

/* الـ GIF نفسه */
#preloader::before {
    content: "";
    width: 48px;   /* حجم أنيق */
    height: 48px;
    background: url("preloader.gif") no-repeat center center;
    background-size: contain;
}

/* الإخفاء */
#preloader.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}