.app-loading {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    z-index: 9999;

    opacity: 1;
    transition: opacity 0.3s ease-out;
}

.app-loading--hidden {
    opacity: 0;
    pointer-events: none;
}

/* --- SIMPLE LOADER CIRCLE --- */

.loader-circle {
    width: 48px;
    height: 48px;
    border: 5px solid #e5e7eb;      /* light gray */
    border-top-color: #3b82f6;       /* blue (MudBlazor primary-ish) */
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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