.toc-container {
  background-color: #f8f9fa;
  border: 1px solid #eaecef;
  border-radius: 3px;
  padding: 0.75rem;
  
  /* Position absolutely on the right without affecting content flow */
  position: fixed;
  right: 20px; /* Distance from right edge of screen */
  top: 100px; /* This will be used to calculate equal bottom margin */
  width: 230px; /* Slightly narrower */
  
  /* Ensure scrolling for long TOCs with proper bottom spacing */
  max-height: calc(100vh - 200px); /* Initial value, will be set by JS */
  overflow-y: auto;
  overflow-x: hidden;
  
  /* Add a slight shadow for better visual separation */
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  z-index: 100;
  
  /* Improve scrolling experience */
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 #f8f9fa;
  
  /* Ensure bottom spacing */
  padding-bottom: 1.5rem;
}

/* Adjust space for content to ensure proper TOC placement */
.post-content {
  width: 100%;
  max-width: 100%;
  padding-right: 270px; /* Space for TOC + equal margin (width + 2 * right margin) */
}

.toc-title {
  font-weight: bold;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #333;
  font-family: inherit;
}

#TableOfContents ul {
  list-style-type: none;
  padding-left: 0.75rem;
  margin-top: 0.3rem;
  margin-bottom: 0.3rem;
}

#TableOfContents > ul {
  padding-left: 0;
}

#TableOfContents a {
  color: #333; /* Black text color for TOC links */
  text-decoration: none;
  font-size: inherit;
  line-height: 1.6;
  font-family: inherit;
}

#TableOfContents a:hover {
  text-decoration: underline;
  color: #000; /* Slightly darker on hover */
}

/* Custom scrollbar for webkit browsers */
.toc-container::-webkit-scrollbar {
  width: 6px;
}

.toc-container::-webkit-scrollbar-track {
  background: #f8f9fa;
}

.toc-container::-webkit-scrollbar-thumb {
  background-color: #c1c1c1;
  border-radius: 6px;
  border: 2px solid #f8f9fa;
}

/* Add space after the last item to ensure bottom spacing when scrolling */
#TableOfContents > ul > li:last-child {
  margin-bottom: 0.75rem;
}

/* Active link styling */
#TableOfContents a.active {
  font-weight: bold;
  color: #333; /* Black color for active items too */
  position: relative;
}

#TableOfContents a.active::before {
  content: "→";
  position: absolute;
  left: -15px;
}

/* Nested levels styling */
#TableOfContents ul ul {
  margin-top: 0.2rem;
}

#TableOfContents ul ul a {
  font-size: inherit;
}

/* Responsive behavior */
@media (max-width: 1200px) {
  .toc-container {
    width: 220px;
    right: 15px;
  }
  
  .post-content {
    padding-right: 250px;
  }
}

/* iPad and tablets specific behavior */
@media (max-width: 1024px) {
  .toc-container {
    position: relative;
    width: 100%; /* Full width on iPad/tablet */
    max-width: 100%;
    right: auto;
    top: auto;
    margin: 0 0 20px 0; /* Add bottom margin for spacing */
    max-height: none; /* No height restriction */
    overflow-y: visible; /* No scrolling */
    border-left: none;
    border-right: none;
    border-radius: 0;
    padding-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }
  
  .post-content {
    padding-right: 0;
  }
}

/* Mobile behavior */
@media (max-width: 768px) {
  .toc-container {
    position: relative;
    width: 100%; /* Full width on mobile */
    max-width: 100%;
    right: auto;
    top: auto;
    margin: 0 0 15px 0; /* No margins on mobile */
    max-height: none; /* No height restriction */
    overflow-y: visible; /* No scrolling */
    border-left: none;
    border-right: none;
    border-radius: 0;
    padding-bottom: 0.75rem; /* Reduced bottom padding */
  }
  
  /* Remove additional bottom spacing on mobile */
  #TableOfContents > ul > li:last-child {
    margin-bottom: 0;
  }
}