/* links in main content only */
main a {
  color: #539FC6;
}

/* H1 headings inside main content */
#quarto-document-content h1 {
  color: #539FC6;
}

/* H2 headings inside main content */
#quarto-document-content h2 {
  color: #539FC6;
}

#quarto-document-content h3 {
  font-size: 1.1em;
}

/* sidebar chapter links */
#quarto-sidebar .sidebar-navigation .sidebar-item .sidebar-link {
  color: #539FC6 !important;
}

/* hover */
#quarto-sidebar .sidebar-navigation .sidebar-item .sidebar-link:hover {
  color: #539FC6 !important;
}

/* Right TOC: normal links */
#TOC a {
  color: #444 !important;
}

/* Right TOC: hover */
#TOC a:hover {
  color: #539FC6 !important;
}

/* Right TOC: active section (most robust) */
#TOC a[aria-current="true"],
#TOC .active > a,
#TOC a.active {
  color: #539FC6 !important;
  font-weight: 600;
}

/* Optional: active background highlight */
#TOC a[aria-current="true"],
#TOC .active > a,
#TOC a.active {
  background-color: #e8f3f9;
  border-radius: 6px;
  padding-left: 6px;
}