/* Sidebar page tree (Views/Partials/site/SectionTree.cshtml, /js/section-tree.js).
   Shared by every theme; a theme sets the --tr-* variables and wraps the tree in its own box. */
.ufa-tree {
  --tr-text: #2d2e32;
  --tr-accent: #003375;
  --tr-section: #1f6fc4;
  --tr-hover: #e9eef5;
  --tr-toggle-hover: #dbe6f5;
  --tr-current-bg: #003375;
  --tr-current-ink: #ffffff;
  --tr-line: #dfe5ec;
  --tr-radius: 8px;
  --tr-focus: #3b8fe7;
}
.ufa-tree__section { display: block; padding: 0 12px 10px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--tr-section) !important; text-decoration: none; }
.ufa-tree__section:hover { text-decoration: underline; }
.ufa-tree__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.ufa-tree__list[hidden] { display: none; }
.ufa-tree__list--sub { margin: 2px 0 6px 14px; padding-left: 8px; border-left: 2px solid var(--tr-line); }
.ufa-tree__row { display: flex; align-items: center; gap: 4px; }
.ufa-tree__link { flex: 1; min-width: 0; display: block; padding: 9px 12px; border-radius: var(--tr-radius); color: var(--tr-text) !important; text-decoration: none; font-size: 15px; line-height: 1.35; }
.ufa-tree__link:hover { background: var(--tr-hover); }
.ufa-tree__link.is-path { color: var(--tr-accent) !important; font-weight: 600; }
.ufa-tree__link.is-current { background: var(--tr-current-bg); color: var(--tr-current-ink) !important; font-weight: 600; }
.ufa-tree__toggle { flex-shrink: 0; width: 36px; height: 36px; border: 0; border-radius: 999px; background: transparent; color: var(--tr-section); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; padding: 0; }
.ufa-tree__toggle:hover { background: var(--tr-toggle-hover); }
.ufa-tree__toggle svg { transition: transform .15s ease; }
.ufa-tree__toggle[aria-expanded="true"] svg { transform: rotate(90deg); }
.ufa-tree__link:focus-visible, .ufa-tree__toggle:focus-visible, .ufa-tree__section:focus-visible { outline: 3px solid var(--tr-focus); outline-offset: 1px; }
@media (prefers-reduced-motion: reduce) { .ufa-tree__toggle svg { transition: none; } }
@media (max-width: 640px) {
  .ufa-tree__link { padding: 11px 12px; }
  .ufa-tree__toggle { width: 44px; height: 44px; }
}