/* ==========================================================
   Noah's Wiki — Wikipedia Layout + Executive Slate Theme
   ========================================================== */

/* --- Design Tokens (inherited from main site) --- */
:root {
  --color-primary: #1A365D;
  --color-secondary: #4A5568;
  --color-accent: #2D3748;
  --color-bg: #FFFFFF;
  --color-surface: #F7FAFC;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E0;
  --color-link: #1A365D;
  --color-link-hover: #2D3748;
  --radius: 4px;
  --sidebar-width: 260px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--color-secondary);
  background: var(--color-bg);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

/* --- Wiki Layout --- */
.wiki-layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.wiki-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 10;
  padding: 0;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-header a {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--color-secondary);
  font-weight: 500;
}

/* Sidebar search */
.sidebar-search {
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: "Manrope", sans-serif;
  font-size: 13px;
  background: var(--color-bg);
  color: var(--color-secondary);
  transition: border-color 0.3s;
}

.sidebar-search input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Sidebar navigation */
.sidebar-nav {
  padding: 12px 0;
}

.sidebar-nav .nav-section {
  padding: 0;
}

.sidebar-nav .nav-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.sidebar-nav .nav-section-title:hover {
  background: rgba(26, 54, 93, 0.05);
}

.sidebar-nav .nav-section-title i {
  font-size: 10px;
  transition: transform 0.2s;
  color: var(--color-secondary);
}

.sidebar-nav .nav-section-title i.collapsed {
  transform: rotate(-90deg);
}

.sidebar-nav .nav-section-list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.sidebar-nav .nav-section-list.collapsed {
  max-height: 0 !important;
  padding-bottom: 0;
}

.sidebar-nav .nav-section-list li a {
  display: block;
  padding: 4px 20px 4px 36px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav .nav-section-list li a:hover {
  color: var(--color-primary);
  background: rgba(26, 54, 93, 0.04);
}

.sidebar-nav .nav-section-list li a.active {
  color: var(--color-primary);
  font-weight: 700;
  background: rgba(26, 54, 93, 0.06);
  border-right: 3px solid var(--color-primary);
}

.sidebar-back {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.sidebar-back a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: gap 0.3s;
}

.sidebar-back a:hover {
  gap: 10px;
}

/* --- Main Content --- */
.wiki-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
}

/* Top bar */
.wiki-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 40px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wiki-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-secondary);
}

.wiki-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.wiki-breadcrumb a:hover {
  text-decoration: underline;
}

.wiki-breadcrumb .sep {
  color: var(--color-border-hover);
}

.wiki-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
}

/* Article content */
.wiki-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 40px 80px;
}

/* --- Article Header --- */
.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-primary);
}

.article-header h1 {
  font-family: "Manrope", sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 12px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--color-secondary);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.article-meta a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.article-meta a:hover {
  text-decoration: underline;
}

/* --- Article Description / Lead --- */
.article-lead {
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  margin-bottom: 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-secondary);
}

/* --- Table of Contents --- */
.wiki-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 32px;
}

.wiki-toc summary {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  letter-spacing: 0.02em;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.wiki-toc summary::-webkit-details-marker {
  display: none;
}

.wiki-toc summary::before {
  content: "\f0ca";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 12px;
  color: var(--color-secondary);
}

.wiki-toc[open] summary {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.wiki-toc ol {
  margin: 0;
  padding-left: 20px;
}

.wiki-toc li {
  margin: 4px 0;
}

.wiki-toc a {
  font-size: 13px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.wiki-toc a:hover {
  text-decoration: underline;
}

/* --- Article Body Typography --- */
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: -0.02em;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 32px 0 12px;
  letter-spacing: -0.01em;
}

.article-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 24px 0 8px;
}

.article-body p {
  margin: 0 0 16px;
  color: var(--color-secondary);
}

.article-body a {
  color: var(--color-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  font-weight: 500;
  transition: border-color 0.2s;
}

.article-body a:hover {
  border-bottom-color: var(--color-link);
}

.article-body ul,
.article-body ol {
  margin: 0 0 16px;
  padding-left: 24px;
  color: var(--color-secondary);
}

.article-body li {
  margin-bottom: 6px;
}

.article-body strong {
  color: var(--color-accent);
  font-weight: 700;
}

.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface);
  margin: 16px 0;
  padding: 12px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-secondary);
  font-style: italic;
}

.article-body blockquote p {
  margin: 0;
}

.article-body code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 0.88em;
  font-family: "Consolas", "Courier New", monospace;
  color: var(--color-accent);
}

.article-body pre {
  background: var(--color-accent);
  color: #E2E8F0;
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin: 16px 0;
  line-height: 1.5;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.88em;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.article-body th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
}

.article-body td {
  border-bottom: 1px solid var(--color-border);
  padding: 10px 14px;
  color: var(--color-secondary);
}

.article-body tr:hover td {
  background: var(--color-surface);
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 8px 0;
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

/* Highlight (==text== from obsidian) */
.article-body mark {
  background: rgba(26, 54, 93, 0.1);
  color: var(--color-primary);
  padding: 1px 4px;
  border-radius: 2px;
}

/* --- Tags --- */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.article-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
}

/* --- Source Attribution --- */
.article-source {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--color-secondary);
}

.article-source a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.article-source a:hover {
  text-decoration: underline;
}

/* --- Index Page — Category Grid --- */
.wiki-hero {
  text-align: center;
  padding: 48px 40px 32px;
  border-bottom: 1px solid var(--color-border);
}

.wiki-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}

.wiki-hero p {
  color: var(--color-secondary);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.wiki-hero .article-count {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 14px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}

.wiki-index-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 40px 80px;
}

/* Search results container */
.search-results {
  display: none;
  margin-bottom: 32px;
}

.search-results.active {
  display: block;
}

.search-results h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.search-results .result-item {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
}

.search-results .result-item a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
}

.search-results .result-item a:hover {
  text-decoration: underline;
}

.search-results .result-item .result-category {
  font-size: 12px;
  color: var(--color-secondary);
}

/* Category sections on index */
.category-section {
  margin-bottom: 32px;
}

.category-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-section h2 .category-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-bg);
  background: var(--color-primary);
  border-radius: 10px;
  padding: 2px 8px;
}

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

.article-list li {
  border-bottom: 1px solid var(--color-border);
}

.article-list li:last-child {
  border-bottom: none;
}

.article-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}

.article-list li a:hover {
  background: var(--color-surface);
  color: var(--color-accent);
}

.article-list li a .arrow {
  font-size: 12px;
  color: var(--color-border-hover);
  transition: transform 0.2s, color 0.2s;
}

.article-list li a:hover .arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

/* --- Footer --- */
.wiki-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
  padding: 24px 40px;
  font-size: 13px;
  color: var(--color-secondary);
}

.wiki-footer a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.wiki-footer a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  :root {
    --sidebar-width: 0px;
  }

  .wiki-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 280px;
    z-index: 100;
  }

  .wiki-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .wiki-main {
    margin-left: 0;
  }

  .hamburger-toggle {
    display: block;
  }

  .wiki-content {
    padding: 24px 20px 60px;
  }

  .wiki-topbar {
    padding: 0 16px;
  }

  .wiki-hero {
    padding: 32px 20px 24px;
  }

  .wiki-hero h1 {
    font-size: 1.8rem;
  }

  .wiki-index-content {
    padding: 24px 20px 60px;
  }

  .article-header h1 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .article-meta {
    flex-direction: column;
    gap: 8px;
  }
}