#ufz-add-to-cart-loading {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, .78);
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
}
#ufz-add-to-cart-loading.is-visible { display: flex; }
#ufz-add-to-cart-loading .ufz-loading-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px 30px;
    border: 1px solid #78bd18;
    border-radius: 12px;
    background: #191919;
    color: #fff;
    font: 600 15px/1.4 Arial, sans-serif;
    text-align: center;
    box-shadow: 0 0 24px rgba(120, 189, 24, .22);
}
#ufz-add-to-cart-loading .ufz-loading-spinner {
    width: 42px;
    height: 42px;
    border: 4px solid rgba(120, 189, 24, .25);
    border-top-color: #78bd18;
    border-radius: 50%;
    animation: ufz-loading-spin .8s linear infinite;
}
@keyframes ufz-loading-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    #ufz-add-to-cart-loading .ufz-loading-spinner { animation-duration: 1.8s; }
}