/* Shared AJAX loading overlay — used by call_post / call_get / call_service / new_call_service */
#ums-ajax-loader {
    position: fixed;
    inset: 0;
    z-index: 200000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.18s ease;
}

#ums-ajax-loader.is-visible {
    display: flex;
    opacity: 1;
}

#ums-ajax-loader .ums-ajax-loader-card {
    min-width: 180px;
    max-width: 280px;
    padding: 1.35rem 1.5rem;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.28);
    text-align: center;
    color: #0f172a;
}

#ums-ajax-loader .ums-ajax-loader-ring {
    width: 42px;
    height: 42px;
    margin: 0 auto 0.85rem;
    border-radius: 50%;
    border: 3px solid #e2e8f0;
    border-top-color: #0f766e;
    animation: ums-ajax-spin 0.75s linear infinite;
}

#ums-ajax-loader .ums-ajax-loader-text {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.35;
}

#ums-ajax-loader .ums-ajax-loader-sub {
    margin: 0.35rem 0 0;
    font-size: 0.78rem;
    font-weight: 400;
    color: #64748b;
}

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

@media (prefers-reduced-motion: reduce) {
    #ums-ajax-loader .ums-ajax-loader-ring {
        animation-duration: 1.4s;
    }
    #ums-ajax-loader {
        transition: none;
    }
}