.product-card img {
    height: 180px;
    object-fit: contain;
    padding: 10px;
}

.category-tree a {
    color: #1f2937;
    font-size: 14px;
}

.category-tree a:hover {
    text-decoration: underline;
}

.category-tree .toggle {
    cursor: pointer;
    font-size: 12px;
    color: #2563eb;
}
.category-tree {
    list-style: none;
    padding-left: 0;
    font-size: 14px;
}

.category-node {
    margin-bottom: 4px;
}

.category-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.category-link {
    color: #1f2937;
    text-decoration: none;
}

.category-link:hover {
    text-decoration: underline;
}

.toggle {
    cursor: pointer;
    font-size: 12px;
    width: 14px;
    display: inline-block;
    color: #2563eb;
    user-select: none;
}

.toggle.empty {
    cursor: default;
    color: transparent;
}

.category-children {
    list-style: none;
    padding-left: 16px;
    margin-top: 4px;
    display: none;
}

.category-node.open > .category-children {
    display: block;
}

.category-node.open > .category-row .toggle {
    transform: rotate(90deg);
}