.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s ease-in-out;
}

.loading-screen.active {
    visibility: visible;
    opacity: 1;
}

.loading-screen-test {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0f1824;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s; /* <-- delay hiding */
}

.loading-screen-test.active {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease-in-out, visibility 0s; /* immediate visibility */
}

.loading-screen-test.white {
    background-color: #ffffff;
}

.buletan {
    border: 8px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 8px solid white;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

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