.mind-map-container {
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    /*background-color: #fafafa;*/
}

.tree-node {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    margin: 2px 0;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.tree-node:hover {
    background-color: #e3f2fd;
}

.node-text {
    flex-grow: 1;
    font-weight: 500;
}

.expand-icon {
    margin-left: 8px;
    transition: transform 0.2s;
}

.rz-tree-node-expanded .expand-icon {
    transform: rotate(180deg);
}

.rz-tree .rz-tree-node-selected .tree-node {
    background-color: #2196f3;
    color: white;
}