/* Navigation sidebar: bold top-level items */
.md-nav__item--nested > .md-nav__link {
  font-weight: 700;
}

/* ToC right sidebar: better hierarchy */
.md-sidebar--secondary .md-nav__link {
  font-size: 0.75rem;
}

.md-sidebar--secondary .md-nav--secondary > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 600;
  font-size: 0.8rem;
}

/* PDF download button styling */
a[href$=".pdf"] {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: var(--md-primary-fg-color);
  color: white !important;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 1rem;
}

a[href$=".pdf"]:hover {
  opacity: 0.9;
}