/**
 * TopUp Admin - Loading overlay service
 * Sınıflar: topup-admin-loading (başka sayfalarda karışmasın)
 * Kullanım: TopUpAdminLoading.show() / TopUpAdminLoading.hide()
 */
.topup-admin-loading {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.topup-admin-loading.is-active {
    opacity: 1;
    visibility: visible;
}

.topup-admin-loading__box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.75rem 2rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    min-width: 140px;
}

.topup-admin-loading__spinner {
    width: 44px;
    height: 44px;
    border: 3px solid #e2e8f0;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: topup-admin-loading-spin 0.75s linear infinite;
}

.topup-admin-loading__text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    margin: 0;
}

@keyframes topup-admin-loading-spin {
    to {
        transform: rotate(360deg);
    }
}