/* Basic tree structure, no visual frills */
.ct-tree,
.ct-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.ct-term { margin: .125rem 0; }
.ct-term-link { margin-left: .25rem; text-decoration: none; }

.ct-post a { text-decoration: none; }

/* Accordion behavior */
.ct-accordion .ct-sub.collapsed { display: none; }

/* Toggle button (simple chevron) */
.ct-accordion .ct-toggle {
  border: 0;
  background: none;
  padding: 0 .25rem 0 0;
  cursor: pointer;
  line-height: 1;
}

.ct-accordion .ct-toggle .ct-icon::before {
  content: "▸";
  display: inline-block;
  width: 1em;
  text-align: center;
}

.ct-accordion .ct-term.expanded > .ct-toggle .ct-icon::before {
  content: "▾";
}