/* exchange-service/resources/static/css/components/_loading.css */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.loading-overlay.visible {
    opacity: 1;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-secondary);
    border-left-color: var(--theme-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}