/* Catalog filter submit: loading overlay (class is-loading on #catalog-layout). */

.catalog-main {
    position: relative;
    min-height: 12rem;
}

.catalog-loading-overlay {
    display: none;
    pointer-events: none;
}

.catalog-layout.is-loading .catalog-loading-overlay {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 10050;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.18);
    pointer-events: auto;
}

.catalog-layout.is-loading .catalog-main .category-grid,
.catalog-layout.is-loading .catalog-main .products-grid,
.catalog-layout.is-loading .catalog-main .subcategory-grid {
    opacity: 0.45;
}

.catalog-layout.is-loading .filters-panel {
    opacity: 0.65;
    pointer-events: none;
}

.catalog-loading-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    padding: 1.25rem 1.75rem;
    background: #ffffff;
    border: 1px solid rgba(44, 82, 130, 0.18);
    border-radius: 12px;
    box-shadow: 0 12px 48px rgba(15, 23, 42, 0.22);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    min-width: 12rem;
}

.catalog-loading-spinner {
    display: block;
    box-sizing: border-box;
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    border: 4px solid #e2e8f0;
    border-top-color: var(--secondary-color, #2c5282);
    border-radius: 50%;
    animation: catalog-loading-spin 0.75s linear infinite;
}

.catalog-loading-text {
    margin: 0;
    color: var(--secondary-color, #2c5282);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
    text-align: center;
    white-space: nowrap;
}

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

@media (prefers-reduced-motion: reduce) {
    .catalog-loading-spinner {
        animation: none;
        border-top-color: #94a3b8;
    }
}

@media (max-width: 480px) {
    .catalog-loading-text {
        white-space: normal;
        max-width: 14rem;
    }
}