body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  overflow-y: auto;
}

.sidebar-link {
  border-radius: 0;
  padding: 0.4rem 1.25rem;
  color: #555;
}

.sidebar-link:hover,
.sidebar-link:focus {
  background-color: #f1f3f5;
  color: #000;
}

/* Chapters */
.chapter + .chapter {
  margin-top: 1.5rem;
}

.chapter-link-col {
  width: 150px;
  white-space: nowrap;
}

.uniform-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  text-align: center;
  font-weight: 500;
}

.chapter .card-title {
  font-weight: 600;
}

.chapter .table td {
  border-top: none;
}

@media (max-width: 767.98px) {
  .sidebar {
    position: static;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid #dee2e6;
  }
  .sidebar-link {
    padding-left: 1rem;
  }
  .chapter-link-col {
    width: auto;
    display: block;
    margin-bottom: 0.5rem;
  }
  .chapter .table tr {
    display: block;
    margin-bottom: 0.75rem;
  }
  .chapter .table td:last-child {
    display: block;
  }
}