/* Table of Contents Styles */

/* Container for post content and ToC */
.post-container {
  position: relative;
}

/* ToC sidebar - positioned absolutely to not affect content width */
.post-toc {
  display: none; /* Hidden by default on mobile and smaller screens */
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.post-toc.visible {
  opacity: 1;
}

.post-toc nav {
  position: fixed;
  top: 120px;
  right: max(2rem, calc((100vw - 800px) / 2 - 280px));
  width: 220px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  /* Hide scrollbar */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.post-toc nav::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Opera */
}

.post-toc h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: #424242;
}

.post-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-toc li {
  margin-bottom: 0.5rem;
}

.post-toc a {
  color: #666;
  text-decoration: none;
  transition: color 0.2s;
}

.post-toc a:hover {
  color: #1a1a1a;
}

.post-toc a.active {
  color: #1a1a1a;
  font-weight: 500;
}

/* Nested items (h3) */
.post-toc li li {
  margin-left: 1rem;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
}

/* Main content - keeps full width */
.post-content {
  max-width: 100%;
}

/* Only show ToC on large screens with enough space */
@media (min-width: 1300px) {
  .post-toc {
    display: block;
  }
}

/* Mobile: ToC always hidden */
@media (max-width: 1299px) {
  .post-toc {
    display: none;
  }

  .post-content {
    max-width: 100%;
  }
}