.preloader-cover {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Semi-transparan hitam */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.5s ease; /* Transisi untuk efek halus */
    z-index: 9999; /* Agar di atas elemen lain */
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid;
    border-color: #5A8DEE transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}