.sidebar {
    width: 450px;
    overflow-y: auto;
    max-height: calc(100vh - 50px);
}

.tree-node.monochromatic-subtree:hover, .tree-node.back-arrow:hover {
    cursor: pointer;
}

.citation-block {
    background-color: #f5f5f5;
    color: #212529;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    padding: 0.9rem 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    white-space: pre;
}