.catalog-busy-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(255, 255, 255, 0.58);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
}

.catalog-busy-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.catalog-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid #e8eef8;
    border-top-color: #1a73e8;
    border-radius: 50%;
    animation: catalog-spin 0.7s linear infinite;
    flex-shrink: 0;
}

.catalog-spinner.sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.catalog-busy-text,
.catalog-loading-panel {
    font-size: 14px;
    color: #666;
}

.catalog-loading-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px;
    text-align: center;
}

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