/* Shared layout and navigation polish independent of the typography preset. */

#quarto-sidebar .sidebar-header {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

#quarto-sidebar .sidebar-item.sidebar-item-section {
  margin-top: 0.95rem;
}

#quarto-sidebar .sidebar-item.sidebar-item-section > .sidebar-item-container > .sidebar-item-text,
#quarto-sidebar .sidebar-item.sidebar-item-section > .sidebar-item-container > .sidebar-item-text.sidebar-link {
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  color: rgba(33, 37, 41, 0.84);
}

#quarto-sidebar .sidebar-section.depth1 .sidebar-item-container {
  margin: 0.12rem 0;
}

#quarto-sidebar .sidebar-section.depth2 .sidebar-item-container,
#quarto-sidebar .sidebar-section.depth3 .sidebar-item-container {
  margin: 0.08rem 0;
}

#quarto-sidebar .sidebar-link {
  border-left: 3px solid transparent;
  border-radius: 0.45rem;
  padding: 0.34rem 0.55rem 0.34rem 0.72rem;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

#quarto-sidebar .sidebar-section.depth1 .sidebar-link {
  font-size: 0.92rem;
  font-weight: 600;
}

#quarto-sidebar .sidebar-section.depth2 .sidebar-link,
#quarto-sidebar .sidebar-section.depth3 .sidebar-link {
  font-size: 0.87rem;
  color: rgba(33, 37, 41, 0.78);
  font-weight: 500;
}

#quarto-sidebar .sidebar-link:hover,
#quarto-sidebar .sidebar-link:focus {
  background-color: rgba(13, 110, 253, 0.06);
  text-decoration: none;
}

#quarto-sidebar .sidebar-item .active,
#quarto-sidebar .sidebar-link.active {
  font-weight: 800;
  color: var(--bs-emphasis-color);
  background-color: rgba(13, 110, 253, 0.11);
  border-left-color: var(--bs-primary);
}

#quarto-sidebar .sidebar-item-toggle {
  color: rgba(33, 37, 41, 0.65);
}

#quarto-margin-sidebar {
  position: sticky;
  top: 5.25rem;
}

#quarto-margin-sidebar .toc-title {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: rgba(33, 37, 41, 0.58);
}

#quarto-margin-sidebar .nav-link {
  font-size: 0.84rem;
  color: rgba(33, 37, 41, 0.68);
}

#quarto-margin-sidebar .nav-link.active {
  color: var(--bs-emphasis-color);
  font-weight: 700;
}

.course-page-nav {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0.7rem 0 1.2rem;
  padding: 0.48rem 0 0.9rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.course-page-nav-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 6.5rem;
  padding: 0.3rem 0.74rem;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.08);
  color: var(--bs-primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.course-page-nav-item:hover,
.course-page-nav-item:focus {
  background: rgba(13, 110, 253, 0.14);
  text-decoration: none;
}

.course-page-nav-item.is-disabled {
  background: rgba(33, 37, 41, 0.06);
  color: rgba(33, 37, 41, 0.5);
}

@media (max-width: 991.98px) {
  #quarto-margin-sidebar {
    position: static;
    top: auto;
  }

  .course-page-nav {
    flex-wrap: wrap;
  }
}