body {
  scroll-behavior: smooth;
}

.sidebar {
  position: sticky;
  top: 1rem;
  height: calc(100vh - 2rem);
  overflow-y: auto;
  border-left: 2px solid #ddd;
  padding-left: 1rem;
}

.sidebar a {
  text-decoration: none;
  color: #0d6efd;
  display: block;
  padding: 5px 0;
  font-weight: 500;
}

.sidebar a:hover {
  text-decoration: underline;
}

.Tsection {
  padding-bottom: 2rem;
  border-bottom: 1px dashed #ccc;
  margin-bottom: 2rem;
}