/* Overlay beim Absenden langsamer Formulare (static/js/form-submit-loading.js).
   Liegt fest über dem ganzen Fenster: Das Formular ist oft länger als der
   Bildschirm, ein Spinner nur im Formular wäre sonst evtl. nicht sichtbar. */

.submit-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 1rem;
    background-color: color-mix(in srgb, var(--background) 55%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.submit-loading-overlay[hidden] {
    display: none;
}

.submit-loading-spinner {
    width: 4rem;
    height: 4rem;
    border-radius: 9999px;
    border: 5px solid color-mix(in srgb, var(--accent) 25%, transparent);
    border-top-color: var(--accent);
    animation: submit-loading-spin 0.9s linear infinite;
}

.submit-loading-text {
    font-size: 1.125rem;
    font-weight: 500;
    text-align: center;
    color: var(--on-surface);
}

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

@media (prefers-reduced-motion: reduce) {
    .submit-loading-spinner {
        animation-duration: 2.5s;
    }
}