.category-tree, .category-tree ul {
    list-style: none;
    padding-left: 20px;
}

.category-tree li {
    margin: 5px 0;
}

.category {
    font-weight: bold;
    cursor: pointer;
}

.items {
    padding-left: 10px;
}

.item-link {
    color: #007bff;
    text-decoration: none;
}

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

/* Tree structure styling */
.category-link {
    font-weight: 600;
    color: #495057 !important;
    background-color: #f8f9fa !important;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    margin: 2px 0;
}

.category-link:hover {
    background-color: #e9ecef !important;
    color: #212529 !important;
}

.item-link {
    font-weight: 400;
    color: #6c757d !important;
    background-color: transparent !important;
    border-left: 3px solid #007bff;
    margin-left: 8px;
}

.item-link:hover {
    background-color: #f8f9fa !important;
    color: #007bff !important;
}

.bi {
    margin-right: 5px;
}