#jiku-preloader {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

#jiku-preloader.show {
    opacity: 1;
    pointer-events: all;
}

.jiku-loader {
    width: 60px;
    height: 60px;
    border: 6px solid #ffffff30;
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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