.doc-sidebar {
    width: 220px;
    min-width: 220px;
    background: #f5f2ed;
    border-right: 1px solid #e5e1d8;
    padding: 20px 0;
    font-family: 'Fira Sans', sans-serif;
    font-size: 14px;
}
.doc-sidebar-title, .doc-sidebar-section {
    padding: 0 16px 12px;
    font-size: 11px;
    font-weight: 600;
    color: #cba449;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.doc-sidebar-section { padding: 12px 16px 8px; margin-top: 12px; }
.doc-sidebar a {
    display: block;
    padding: 8px 20px;
    color: #333;
    text-decoration: none;
    border-left: 3px solid transparent;
}
.doc-sidebar a:where(.doc-sidebar-child) { padding-left: 32px; }
.doc-sidebar a[aria-current="page"] {
    color: #142e42;
    font-weight: 600;
    border-left-color: #cba449;
    background: rgba(203, 164, 73, 0.08);
}
:root[data-theme="donker"] .doc-sidebar {
    background: var(--bg-surface);
    border-bottom-color: var(--border-default);
}
:root[data-theme="donker"] .doc-sidebar a { color: var(--text-primary); }

@media (max-width: 820px) {
  .doc-sidebar {
    width: 100%;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid #e5e1d8;
    padding: 8px 10px;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px 3px;
  }
  .doc-sidebar > a {
    display: inline-block;
    padding: 6px 10px;
    border-left: none;
    border-radius: 6px;
    font-size: 13px;
  }
  .doc-sidebar > div {            /* sectiekopjes 'Documentatie' / 'Lexicons' */
    width: 100%;
    padding: 8px 6px 2px;
    margin: 0;
  }
}