.issue-revision-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  margin: 6px 0;
}

.issue-revision-controls .issue-revision-select {
  min-width: 260px;
  max-width: 520px;
}

.issue-revision-controls .issue-revision-new {
  white-space: nowrap;
}

.issue-revision-controls .issue-revision-delete.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.issue-revision-parent-chain-item {
  padding: 2px 0;
}

.issue-revision-tree,
.issue-revision-tree-children {
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.issue-revision-tree-node {
  display: block;
  margin: 2px 0;
}

.issue-revision-tree-node .issue-revision-tree-toggle,
.issue-revision-tree-node .issue-revision-tree-spacer {
  display: inline-block;
  width: 20px;
  height: 20px;
  line-height: 18px;
  text-align: center;
}

.issue-revision-tree-node .issue-revision-tree-toggle {
  border: 1px solid #cfcfcf;
  background: #f6f6f6;
  color: #333;
  font-weight: 700;
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
}

.issue-revision-tree-node .issue-revision-tree-toggle:hover {
  background: #ededed;
}

.issue-revision-tree-children {
  margin-left: 18px;
  border-left: 1px solid #e5e5e5;
  padding-left: 10px;
}

.issue-revision-tree-node.collapsed > .issue-revision-tree-children {
  display: none;
}