.app-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    gap: 0.75rem;
}

.app-loading-spinner {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 0.3rem solid #e0e0e0;
    border-top-color: #1976d2; /* nice blue */
    animation: app-spin 0.8s linear infinite;
}

.app-loading-text {
    font-size: 0.95rem;
    opacity: 0.8;
}

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