<style>
#auto-toc-container {
  max-width: 260px;
  padding: 16px 20px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  position: sticky;
  top: 100px; /* Adjust based on your header height */
  z-index: 100;
}

#auto-toc-container .toc-title {
  font-weight: 600;
  margin-bottom: 10px;
  font-size: 1rem;
}

#auto-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

#auto-toc-list li {
  margin-bottom: 8px;
}

#auto-toc-list li a {
  text-decoration: none;
  color: #0073e6;
}

#auto-toc-list li a:hover {
  text-decoration: underline;
}

#auto-toc-list .toc-h2 { padding-left: 10px; }
#auto-toc-list .toc-h3 { padding-left: 20px; }
#auto-toc-list .toc-h4 { padding-left: 30px; }
#auto-toc-list .toc-h5 { padding-left: 40px; }
#auto-toc-list .toc-h6 { padding-left: 50px; }

@media (max-width: 768px) {
  #auto-toc-container {
    display: none;
  }
}
</style>