/* ==========================================================================
   3-Column Layout with Sidebars
   ========================================================================== */

.layout-with-sidebars {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  gap: 40px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Override container max-width when sidebars are present */
.container.center:has(.layout-with-sidebars) {
  max-width: 1200px;
}

/* ==========================================================================
   Sidebar Base Styles
   ========================================================================== */

.sidebar {
  position: sticky;
  top: 40px;
  height: fit-content;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  padding: 20px 0;
}

.sidebar-heading {
  font-size: calc(var(--font-size) * 1.1);
  color: var(--accent);
  margin: 0 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}

.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav li {
  margin: 0;
  padding: 0;
}

.sidebar-nav a {
  display: block;
  padding: 4px 0;
  color: var(--foreground);
  text-decoration: none;
  font-size: calc(var(--font-size) * 0.9);
  transition: color 0.15s ease;
}

.sidebar-nav a:hover {
  color: var(--accent);
}

.sidebar-nav .count {
  color: color-mix(in srgb, var(--foreground) 50%, transparent);
  font-size: calc(var(--font-size) * 0.85);
}

.sidebar-empty {
  color: color-mix(in srgb, var(--foreground) 50%, transparent);
  font-size: calc(var(--font-size) * 0.9);
  font-style: italic;
}

/* ==========================================================================
   Left Sidebar - Archives
   ========================================================================== */

.sidebar-archives .archive-years > li {
  margin-bottom: 15px;
}

.sidebar-archives .archive-year-link {
  font-weight: 600;
  color: var(--accent);
}

.sidebar-archives .archive-months {
  margin-left: 15px;
  margin-top: 5px;
}

.sidebar-archives .archive-month a {
  font-size: calc(var(--font-size) * 0.85);
}

/* ==========================================================================
   Right Sidebar - Tags
   ========================================================================== */

.sidebar-tags .tag-list {
  display: flex;
  flex-direction: column;
}

.sidebar-tags .tag-item {
  margin-bottom: 8px;
}

.sidebar-tags .tag-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-tags .tag-link:hover .count {
  color: var(--accent);
}

/* ==========================================================================
   Archive Page Styles
   ========================================================================== */

.archives-page h1 {
  margin-bottom: 40px;
}

.archive-section {
  margin-bottom: 40px;
}

.archive-year-heading {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
}

.archive-month-group {
  margin: 25px 0;
  padding-left: 20px;
}

.archive-month-heading {
  color: color-mix(in srgb, var(--foreground) 80%, var(--accent));
  margin-bottom: 10px;
}

.archive-posts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.archive-post {
  display: flex;
  gap: 15px;
  padding: 5px 0;
}

.archive-post time {
  color: color-mix(in srgb, var(--foreground) 60%, transparent);
  font-size: calc(var(--font-size) * 0.9);
  min-width: 60px;
}

.archive-post a {
  color: var(--foreground);
  text-decoration: none;
}

.archive-post a:hover {
  color: var(--accent);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
  .layout-with-sidebars {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .container.center:has(.layout-with-sidebars) {
    max-width: 864px;
  }
}

/* Scrollbar styling for sidebar overflow */
.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--foreground) 30%, transparent);
  border-radius: 2px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}