/* Smart TOC Topbar CSS */
.stt-toc-wrapper {
  background: #f9f9f9;
  border: 1px solid #e0e0e0;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.stt-toc-title {
  font-weight: 600;
  margin-bottom: 10px;
  font-size: 16px;
  color: #333;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.stt-toc-list {
  list-style: none;
  padding-left: 10px;
  margin: 0;
}
.stt-toc-list li {
  margin: 4px 0;
}
.stt-toc-list li a {
  text-decoration: none;
  font-size: 14px;
  color: #0073aa;
  transition: color .2s;
}
.stt-toc-list li a:hover {
  color: #e91e63;
}
.stt-toc-list .toc-level-3 { margin-left: 10px; font-size: 13px; }
.stt-toc-list .toc-level-4 { margin-left: 20px; font-size: 12px; }
.stt-toc-list .toc-level-5 { margin-left: 30px; font-size: 12px; font-style: italic; }
.stt-toc-list .toc-level-6 { margin-left: 40px; font-size: 12px; font-style: italic; }