/* Global Lexend Font Styles */
html, body {
  font-family: 'Lexend', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Lexend', sans-serif;
  letter-spacing: -0.02em;
}

p, li, a, span, div {
  font-family: 'Lexend', sans-serif;
}

/* Table of Contents Styles */
.table-of-contents {
  background-color: #f9f9f9;
  padding: 1.5rem;
  border-radius: 8px;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: relative;
  border-left: 4px solid #0066cc;
  font-family: 'Lexend', sans-serif;
}

.table-of-contents h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: #333;
  font-weight: 600;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.table-of-contents .toc-list {
  padding-left: 1.5rem;
  margin-bottom: 0;
  counter-reset: item;
}

.table-of-contents .toc-item {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.table-of-contents .toc-link {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.2s;
  display: inline-block;
}

.table-of-contents .toc-link:hover {
  color: #004c99;
  text-decoration: underline;
}

/* Level indicators */
.table-of-contents .toc-level-1 {
  font-weight: 600;
}

.table-of-contents .toc-level-2 {
  padding-left: 1rem;
  font-weight: normal;
}

.table-of-contents .toc-level-3 {
  padding-left: 2rem;
  font-size: 0.95em;
  color: #555;
}

.table-of-contents .toc-level-4 {
  padding-left: 3rem;
  font-size: 0.9em;
  color: #666;
}

.table-of-contents .toc-level-5,
.table-of-contents .toc-level-6 {
  padding-left: 4rem;
  font-size: 0.85em;
  color: #777;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

/* Adjust heading targets to account for fixed header */
h1[id], h2[id], h3[id], h4[id], h5[id], h6[id] {
  scroll-margin-top: 80px;
  scroll-snap-margin-top: 80px; /* For older browsers */
}

/* Target element highlight effect */
:target {
  animation: highlight-section 2s ease;
}

@keyframes highlight-section {
  from { background-color: rgba(0, 102, 204, 0.1); }
  to { background-color: transparent; }
}

/* Add a hover indicator for headings with IDs */
h1[id]:hover::after,
h2[id]:hover::after,
h3[id]:hover::after,
h4[id]:hover::after,
h5[id]:hover::after,
h6[id]:hover::after {
  content: ' §';
  opacity: 0.5;
  font-size: 0.8em;
  color: #0066cc;
  cursor: pointer;
}

/* Responsive TOC */
@media (max-width: 768px) {
  .table-of-contents {
    padding: 1rem;
  }
  
  .table-of-contents h4 {
    font-size: 1.1rem;
  }
  
  .table-of-contents .toc-list {
    padding-left: 1rem;
  }
}

/* Print styles */
@media print {
  .table-of-contents {
    page-break-inside: avoid;
    border: 1px solid #ddd;
    box-shadow: none;
  }
}

/* End of article TOC specific styles */
.end-of-article-toc {
  background-color: #f0f7ff;
  border-left-color: #3377cc;
  border-top: 1px solid #e0e0e0;
  border-right: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}

.end-of-article-toc h4 {
  color: #2c5282;
  font-size: 1.3rem;
}

.end-of-article-toc .toc-link {
  color: #3377cc;
}

.end-of-article-toc::before {
  content: "";
  display: block;
  position: absolute;
  top: -20px;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.1), transparent);
}