.overlay-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(248, 249, 250, 0.8); /* رمادي شفاف */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}