/**
 * ternis.org Wiki — Modern Dedicated Documentation Stylesheet (wiki.css)
 * Fully self-contained design system for developer docs & knowledge base.
 * Pure SVGs throughout — zero emojis, zero unicodes.
 */

:root {
  /* Color Palette — Light Mode */
  --wiki-bg: #fbfaf8;
  --wiki-surface: #ffffff;
  --wiki-surface-hover: #f7f5f0;
  --wiki-surface-active: #eeeae2;
  --wiki-border: #e6e2d8;
  --wiki-border-strong: #cfc8ba;
  
  --wiki-text: #18181b;
  --wiki-text-muted: #52525b;
  --wiki-text-subtle: #71717a;
  
  --wiki-accent: #c2410c;
  --wiki-accent-hover: #9a3412;
  --wiki-accent-subtle: #fff7ed;
  --wiki-accent-border: #ffedd5;
  --wiki-accent-ink: #c2410c;
  
  /* Syntax & Code */
  --wiki-code-bg: #1e1e24;
  --wiki-code-text: #f4f4f5;
  --wiki-code-border: #2d2d38;
  --wiki-inline-code-bg: #f2eee6;
  --wiki-inline-code-text: #c2410c;
  
  /* Callouts & Admonitions */
  --wiki-tip-bg: #f0fdf4;
  --wiki-tip-border: #86efac;
  --wiki-tip-text: #15803d;
  --wiki-warn-bg: #fffbeb;
  --wiki-warn-border: #fcd34d;
  --wiki-warn-text: #b45309;
  --wiki-info-bg: #eff6ff;
  --wiki-info-border: #93c5fd;
  --wiki-info-text: #1d4ed8;
  
  /* Layout Dimensions */
  --wiki-sidebar-width: 270px;
  --wiki-toc-width: 230px;
  --wiki-header-height: 64px;
  --wiki-content-max-width: 1240px;
  
  /* Typography */
  --wiki-font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wiki-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  
  /* Shadows */
  --wiki-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --wiki-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --wiki-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --wiki-shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
  --wiki-bg: #0e0e11;
  --wiki-surface: #17171c;
  --wiki-surface-hover: #1f1f26;
  --wiki-surface-active: #272730;
  --wiki-border: #282830;
  --wiki-border-strong: #3e3e4a;
  
  --wiki-text: #f4f4f6;
  --wiki-text-muted: #a1a1aa;
  --wiki-text-subtle: #71717a;
  
  --wiki-accent: #f97316;
  --wiki-accent-hover: #fb923c;
  --wiki-accent-subtle: #27170c;
  --wiki-accent-border: #442410;
  --wiki-accent-ink: #fdba74;
  
  --wiki-code-bg: #131317;
  --wiki-code-text: #ececf1;
  --wiki-code-border: #23232b;
  --wiki-inline-code-bg: #22222a;
  --wiki-inline-code-text: #fb923c;
  
  --wiki-tip-bg: #052e16;
  --wiki-tip-border: #166534;
  --wiki-tip-text: #4ade80;
  --wiki-warn-bg: #2e1d05;
  --wiki-warn-border: #854d0e;
  --wiki-warn-text: #facc15;
  --wiki-info-bg: #082347;
  --wiki-info-border: #1e40af;
  --wiki-info-text: #60a5fa;
  
  --wiki-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --wiki-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --wiki-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --wiki-shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

body.wiki-body {
  margin: 0;
  padding: 0;
  background-color: var(--wiki-bg);
  color: var(--wiki-text);
  font-family: var(--wiki-font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

/* Common SVG Icon Base */
.wiki-ico {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  vertical-align: middle;
  flex-shrink: 0;
}

.wiki-ico-xs { width: 0.85rem; height: 0.85rem; }
.wiki-ico-sm { width: 1rem; height: 1rem; }
.wiki-ico-lg { width: 1.6rem; height: 1.6rem; }
.wiki-ico-xl { width: 2.2rem; height: 2.2rem; }

.wiki-inline-arrow {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.25rem;
  color: var(--wiki-accent);
}

.wiki-inline-arrow .wiki-ico {
  width: 0.95rem;
  height: 0.95rem;
}

.wiki-sep-dot {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.35rem;
  color: var(--wiki-text-subtle);
}

.wiki-sep-dot .wiki-ico {
  width: 0.45rem;
  height: 0.45rem;
}

/* Wrapper */
.wiki-wrap {
  width: 100%;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.wiki-wrap-wide {
  max-width: var(--wiki-content-max-width);
}

/* Top Reading Progress Bar */
.wiki-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 150;
  pointer-events: none;
}

.wiki-progress-fill {
  width: 0%;
  height: 100%;
  background: var(--wiki-accent);
  transition: width 0.1s linear;
}

/* ==========================================================================
   Sticky Top Navigation Header
   ========================================================================== */

.wiki-topbar {
  position: sticky;
  top: 0;
  height: var(--wiki-header-height);
  background: rgba(251, 250, 248, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--wiki-border);
  z-index: 100;
}

[data-theme="dark"] .wiki-topbar {
  background: rgba(14, 14, 17, 0.88);
}

.wiki-topbar-inner {
  max-width: var(--wiki-content-max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wiki-topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.wiki-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--wiki-text);
  font-weight: 700;
  font-size: 1.15rem;
}

.wiki-brand-logo {
  letter-spacing: -0.02em;
}

.wiki-brand-dot {
  color: var(--wiki-accent);
}

.wiki-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--wiki-font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  border: 1px solid var(--wiki-accent-border);
}

.wiki-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--wiki-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.wiki-nav-link:hover {
  color: var(--wiki-text);
  background: var(--wiki-surface-hover);
}

/* Global Search Trigger in Header */
.wiki-topbar-center {
  flex: 1;
  max-width: 460px;
  display: flex;
  justify-content: center;
}

.wiki-search-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 8px;
  color: var(--wiki-text-muted);
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-search-trigger:hover {
  border-color: var(--wiki-border-strong);
  color: var(--wiki-text);
  background: var(--wiki-surface-hover);
}

.wiki-search-trigger-lead {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wiki-kbd-group {
  display: flex;
  align-items: center;
}

.wiki-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.4rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--wiki-text-muted);
  background: var(--wiki-bg);
  border: 1px solid var(--wiki-border);
  border-radius: 4px;
  line-height: 1;
}

.wiki-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Icon Buttons (theme, github, menu) */
.wiki-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--wiki-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.wiki-icon-btn:hover {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
  border-color: var(--wiki-border);
}

.wiki-menu-toggle {
  display: none;
}

/* Language Switcher */
.wiki-lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 7px;
  padding: 2px;
}

.wiki-lang-btn {
  display: inline-block;
  padding: 0.22rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--wiki-font-mono);
  text-decoration: none;
  color: var(--wiki-text-muted);
  border-radius: 5px;
  transition: all 0.15s ease;
}

.wiki-lang-btn:hover {
  color: var(--wiki-text);
}

.wiki-lang-btn.is-active {
  background: var(--wiki-accent);
  color: #ffffff;
}

/* Theme Toggle button icon visibility */
.wiki-theme-btn .wiki-icon-moon { display: none; }
.wiki-theme-btn .wiki-icon-sun  { display: inline-flex; }

[data-theme="dark"] .wiki-theme-btn .wiki-icon-sun  { display: none; }
[data-theme="dark"] .wiki-theme-btn .wiki-icon-moon { display: inline-flex; }

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.wiki-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--wiki-text-muted);
}

.wiki-crumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--wiki-text-muted);
  text-decoration: none;
  transition: color 0.12s ease;
}

.wiki-crumb-link:hover {
  color: var(--wiki-accent);
}

.wiki-crumb-sep {
  display: inline-flex;
  align-items: center;
  color: var(--wiki-text-subtle);
}

.wiki-crumb-sep .wiki-ico {
  width: 0.85rem;
  height: 0.85rem;
}

.wiki-crumb-current {
  color: var(--wiki-text);
  font-weight: 500;
}

/* ==========================================================================
   Home Hero & Search Section
   ========================================================================== */

.wiki-hero {
  padding: 3rem 0 2rem;
  background: radial-gradient(circle at 50% 0%, rgba(194, 65, 12, 0.06), transparent 70%);
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-hero-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.wiki-hero-inner .wiki-crumbs {
  margin-bottom: 0.75rem;
}

.wiki-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wiki-accent);
  background: var(--wiki-accent-subtle);
  border: 1px solid var(--wiki-accent-border);
  padding: 0.3rem 0.8rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.wiki-kicker-ico {
  display: inline-flex;
}

.wiki-kicker-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: inherit;
  text-decoration: none;
}

.wiki-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--wiki-text);
  margin: 0 0 1rem;
  text-wrap: balance;
}

.wiki-lead {
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--wiki-text-muted);
  max-width: 680px;
  margin: 0 0 1.8rem;
}

/* Prominent Search Box in Hero */
.wiki-search-box {
  width: 100%;
  max-width: 640px;
  position: relative;
  margin-bottom: 1.5rem;
}

.wiki-search {
  display: flex;
  align-items: center;
  background: var(--wiki-surface);
  border: 1.5px solid var(--wiki-border);
  border-radius: 12px;
  padding: 0.4rem 0.5rem 0.4rem 1rem;
  box-shadow: var(--wiki-shadow-md);
  transition: all 0.15s ease;
}

.wiki-search:focus-within {
  border-color: var(--wiki-accent);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.15), var(--wiki-shadow-md);
}

.wiki-search-ico {
  color: var(--wiki-text-muted);
  display: inline-flex;
  margin-right: 0.75rem;
}

.wiki-search input[type="search"] {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--wiki-text);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  min-width: 0;
}

.wiki-search input[type="search"]::placeholder {
  color: var(--wiki-text-subtle);
}

.wiki-search-kbd {
  display: inline-flex;
  margin-right: 0.5rem;
}

.wiki-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  line-height: 1.2;
}

.wiki-btn-primary {
  background: var(--wiki-accent);
  color: #ffffff;
}

.wiki-btn-primary:hover {
  background: var(--wiki-accent-hover);
}

.wiki-btn-ghost {
  background: var(--wiki-surface);
  border-color: var(--wiki-border);
  color: var(--wiki-text);
}

.wiki-btn-ghost:hover {
  background: var(--wiki-surface-hover);
  border-color: var(--wiki-border-strong);
}

.wiki-btn-ico {
  display: inline-flex;
}

/* Instant Search Dropdown */
.wiki-search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 12px;
  box-shadow: var(--wiki-shadow-modal);
  z-index: 120;
  max-height: 380px;
  overflow-y: auto;
  text-align: left;
  padding: 0.5rem;
}

.wiki-search-results a {
  display: block;
  padding: 0.75rem 0.9rem;
  text-decoration: none;
  color: var(--wiki-text);
  border-radius: 8px;
  transition: background 0.1s ease;
}

.wiki-search-results a:hover,
.wiki-search-results a.is-selected {
  background: var(--wiki-surface-hover);
}

.wiki-search-results strong {
  display: block;
  font-size: 0.96rem;
  color: var(--wiki-text);
  margin-bottom: 0.2rem;
}

.wiki-search-results small {
  display: block;
  font-size: 0.82rem;
  color: var(--wiki-text-muted);
}

/* Quick Pills */
.wiki-quick-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.wiki-quick-label {
  color: var(--wiki-text-subtle);
  font-weight: 500;
}

.wiki-pills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.wiki-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 9999px;
  text-decoration: none;
  color: var(--wiki-text-muted);
  font-size: 0.82rem;
  transition: all 0.12s ease;
}

.wiki-pill:hover {
  background: var(--wiki-surface-hover);
  border-color: var(--wiki-accent);
  color: var(--wiki-accent);
}

/* Stats Ticker */
.wiki-stats-bar {
  border-bottom: 1px solid var(--wiki-border);
  background: var(--wiki-surface);
  padding: 1.25rem 0;
}

.wiki-stats-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.wiki-stat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
}

.wiki-stat-icon {
  display: inline-flex;
  padding: 0.55rem;
  border-radius: 10px;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
}

.wiki-stat-text {
  text-align: left;
}

.wiki-stat-text strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--wiki-text);
}

.wiki-stat-text span {
  font-size: 0.82rem;
  color: var(--wiki-text-muted);
}

/* ==========================================================================
   Category Grid Section
   ========================================================================== */

.wiki-section {
  padding: 3rem 0 5rem;
}

.wiki-section-header {
  margin-bottom: 2rem;
}

.wiki-h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--wiki-text);
  margin: 0 0 0.4rem;
}

.wiki-section-sub {
  color: var(--wiki-text-muted);
  margin: 0;
  font-size: 0.98rem;
}

.wiki-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.wiki-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-card:hover {
  transform: translateY(-2px);
  border-color: var(--wiki-accent);
  box-shadow: var(--wiki-shadow-md);
}

.wiki-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}

.wiki-card-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  border: 1px solid var(--wiki-accent-border);
}

.wiki-card-count {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.78rem;
  color: var(--wiki-text-subtle);
  background: var(--wiki-bg);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--wiki-border);
}

.wiki-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--wiki-text);
}

.wiki-card-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--wiki-text-muted);
  margin: 0 0 1.25rem;
  flex: 1;
}

.wiki-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--wiki-accent);
  border-top: 1px solid var(--wiki-border);
  padding-top: 0.85rem;
}

.wiki-card-go {
  display: inline-flex;
  transition: transform 0.15s ease;
}

.wiki-card:hover .wiki-card-go {
  transform: translateX(4px);
}

/* Featured Guides Grid */
.wiki-featured-wrap {
  margin-top: 4rem;
}

.wiki-featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.wiki-featured-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
}

.wiki-featured-card:hover {
  border-color: var(--wiki-accent);
  box-shadow: var(--wiki-shadow-sm);
  transform: translateY(-2px);
}

.wiki-featured-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.wiki-badge-cat {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--wiki-accent);
  background: var(--wiki-accent-subtle);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.wiki-featured-arrow {
  color: var(--wiki-text-subtle);
  display: inline-flex;
  transition: transform 0.15s ease;
}

.wiki-featured-card:hover .wiki-featured-arrow {
  color: var(--wiki-accent);
  transform: translateX(3px);
}

.wiki-featured-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--wiki-text);
}

.wiki-featured-desc {
  font-size: 0.86rem;
  color: var(--wiki-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Open Source Contribution Banner */
.wiki-banner-contribute {
  margin-top: 4rem;
  padding: 2rem 2.5rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-banner-icon {
  display: inline-flex;
  padding: 1rem;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  border-radius: 14px;
}

.wiki-banner-icon .wiki-ico {
  width: 2.2rem;
  height: 2.2rem;
}

.wiki-banner-body {
  flex: 1;
}

.wiki-banner-body h3 {
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
  color: var(--wiki-text);
}

.wiki-banner-body p {
  font-size: 0.94rem;
  color: var(--wiki-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ==========================================================================
   Documentation Layout (Category & Article Pages)
   ========================================================================== */

.wiki-doc-layout,
.wiki-article-layout {
  display: grid;
  grid-template-columns: var(--wiki-sidebar-width) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 5rem;
}

.wiki-article-layout {
  grid-template-columns: var(--wiki-sidebar-width) minmax(0, 1fr) var(--wiki-toc-width);
}

/* Left Sidebar Navigation */
.wiki-doc-sidebar,
.wiki-sidebar-nav {
  position: sticky;
  top: calc(var(--wiki-header-height) + 1.5rem);
  max-height: calc(100vh - var(--wiki-header-height) - 3rem);
  overflow-y: auto;
}

.wiki-sidebar-box {
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 12px;
  padding: 1.2rem;
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-sidebar-heading {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wiki-text-subtle);
  margin-bottom: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wiki-sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--wiki-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.12s ease;
}

.wiki-sidebar-item:hover {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
}

.wiki-sidebar-item.is-active {
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  font-weight: 600;
}

.wiki-sidebar-item-ico {
  display: inline-flex;
}

.wiki-sidebar-item-label {
  flex: 1;
}

.wiki-sidebar-item-badge {
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  color: var(--wiki-text-subtle);
  background: var(--wiki-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.wiki-sidebar-item.is-active .wiki-sidebar-item-badge {
  background: var(--wiki-accent);
  color: #ffffff;
}

/* Category Articles Tree in Sidebar */
.wiki-sidebar-cat-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--wiki-text);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-sidebar-cat-ico {
  display: inline-flex;
  color: var(--wiki-accent);
}

.wiki-sidebar-section-title {
  display: block;
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wiki-text-subtle);
  margin-bottom: 0.6rem;
}

.wiki-sidebar-article-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.wiki-sidebar-article-link {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--wiki-text-muted);
  font-size: 0.86rem;
  line-height: 1.4;
  transition: all 0.12s ease;
}

.wiki-sidebar-article-link:hover {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
}

.wiki-sidebar-article-link.is-active {
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  font-weight: 600;
}

.wiki-sidebar-dot {
  display: inline-flex;
  margin-top: 0.2rem;
  color: var(--wiki-text-subtle);
}

.wiki-sidebar-article-link.is-active .wiki-sidebar-dot {
  color: var(--wiki-accent);
}

.wiki-sidebar-dot-ico {
  width: 0.8rem;
  height: 0.8rem;
}

.wiki-sidebar-nav-footer {
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--wiki-border);
}

.wiki-sidebar-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--wiki-text-muted);
  text-decoration: none;
}

.wiki-sidebar-back-link:hover {
  color: var(--wiki-accent);
}

/* ==========================================================================
   Category Main Content View
   ========================================================================== */

.wiki-cat-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--wiki-border);
  margin-bottom: 2rem;
}

.wiki-cat-badge {
  display: inline-flex;
  padding: 1rem;
  border-radius: 14px;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
  border: 1px solid var(--wiki-accent-border);
}

.wiki-cat-badge .wiki-ico {
  width: 2.2rem;
  height: 2.2rem;
}

.wiki-cat-info {
  flex: 1;
}

.wiki-cat-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
  color: var(--wiki-text);
}

.wiki-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.78rem;
  color: var(--wiki-text-muted);
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 9999px;
  padding: 0.2rem 0.65rem;
}

/* Category filter input */
.wiki-filter-bar {
  display: flex;
  align-items: center;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 10px;
  padding: 0.45rem 0.85rem;
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.wiki-filter-ico {
  color: var(--wiki-text-muted);
  display: inline-flex;
  margin-right: 0.5rem;
}

.wiki-filter-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--wiki-text);
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
}

/* Article Cards List */
.wiki-articles-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wiki-article-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-article-card:hover {
  border-color: var(--wiki-accent);
  transform: translateY(-1px);
  box-shadow: var(--wiki-shadow-md);
}

.wiki-article-card-main {
  flex: 1;
}

.wiki-article-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--wiki-text);
}

.wiki-article-card-desc {
  font-size: 0.9rem;
  color: var(--wiki-text-muted);
  line-height: 1.55;
  margin: 0 0 0.85rem;
}

.wiki-article-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--wiki-text-subtle);
}

.wiki-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.wiki-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.wiki-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  color: var(--wiki-text-muted);
  background: var(--wiki-bg);
  border: 1px solid var(--wiki-border);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  text-decoration: none;
}

.wiki-tag:hover {
  color: var(--wiki-accent);
  border-color: var(--wiki-accent);
}

.wiki-article-card-arrow {
  color: var(--wiki-text-subtle);
  display: inline-flex;
  transition: transform 0.15s ease;
}

.wiki-article-card:hover .wiki-article-card-arrow {
  color: var(--wiki-accent);
  transform: translateX(4px);
}

/* Empty State */
.wiki-empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--wiki-surface);
  border: 1px dashed var(--wiki-border);
  border-radius: 16px;
}

.wiki-empty-ico {
  display: inline-flex;
  color: var(--wiki-text-subtle);
  margin-bottom: 1rem;
}

.wiki-empty-ico .wiki-ico {
  width: 2.5rem;
  height: 2.5rem;
}

.wiki-empty-text {
  font-size: 1.05rem;
  color: var(--wiki-text-muted);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Article Page Content & Typography
   ========================================================================== */

.wiki-article-main {
  max-width: 760px;
}

.wiki-article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-article-title {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--wiki-text);
  margin: 0.5rem 0 1rem;
  text-wrap: balance;
}

.wiki-article-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--wiki-text-muted);
  margin: 0 0 1.5rem;
}

.wiki-article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--wiki-text-subtle);
  margin-bottom: 1rem;
}

.wiki-meta-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.wiki-chip-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.wiki-meta-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.wiki-meta-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--wiki-text-muted);
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.12s ease;
}

.wiki-meta-action-btn:hover {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
  border-color: var(--wiki-border-strong);
}

.wiki-copy-link-check { display: none; color: #16a34a; }
.wiki-meta-action-btn.is-copied .wiki-copy-link-ico { display: none; }
.wiki-meta-action-btn.is-copied .wiki-copy-link-check { display: inline-flex; }
.wiki-btn.is-copied .wiki-copy-link-ico { display: none; }
.wiki-btn.is-copied .wiki-copy-link-check { display: inline-flex; }

.wiki-tags-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

/* Notice Banners */
.wiki-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1.15rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
}

.wiki-notice-info {
  background: var(--wiki-info-bg);
  border: 1px solid var(--wiki-info-border);
  color: var(--wiki-info-text);
}

.wiki-notice-ico {
  display: inline-flex;
  margin-top: 0.15rem;
}

.wiki-notice-text a {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
}

/* Mobile Table of Contents Accordion */
.wiki-mobile-toc {
  display: none;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 2rem;
}

.wiki-mobile-toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--wiki-text);
  user-select: none;
  list-style: none;
}

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

.wiki-mobile-toc-title {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.wiki-mobile-toc-chevron {
  display: inline-flex;
  transition: transform 0.2s ease;
}

.wiki-mobile-toc[open] .wiki-mobile-toc-chevron {
  transform: rotate(180deg);
}

.wiki-mobile-toc-list {
  margin: 0.85rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.88rem;
}

.wiki-mobile-toc-list a {
  color: var(--wiki-text-muted);
  text-decoration: none;
}

.wiki-mobile-toc-list a:hover {
  color: var(--wiki-accent);
}

/* Article Prose Typography */
.wiki-prose {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--wiki-text);
}

.wiki-prose h2,
.wiki-prose h3,
.wiki-prose h4 {
  color: var(--wiki-text);
  font-weight: 700;
  scroll-margin-top: calc(var(--wiki-header-height) + 1.5rem);
  position: relative;
}

.wiki-prose h2 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-prose h3 {
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.wiki-prose h4 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.wiki-prose p {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.wiki-prose a {
  color: var(--wiki-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
}

.wiki-prose a:hover {
  color: var(--wiki-accent-hover);
}

/* Heading Permalink Anchors */
.wiki-anchor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--wiki-text-subtle);
  text-decoration: none !important;
  opacity: 0;
  margin-right: 0.35rem;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.wiki-anchor-icon {
  width: 1.1rem;
  height: 1.1rem;
}

.wiki-prose h2:hover .wiki-anchor,
.wiki-prose h3:hover .wiki-anchor,
.wiki-prose h4:hover .wiki-anchor {
  opacity: 1;
}

.wiki-anchor:hover {
  color: var(--wiki-accent);
}

/* Inline Code */
.wiki-prose code {
  font-family: var(--wiki-font-mono);
  font-size: 0.88em;
  background: var(--wiki-inline-code-bg);
  color: var(--wiki-inline-code-text);
  padding: 0.18em 0.42em;
  border-radius: 4px;
}

/* Code Blocks */
.wiki-codeblock {
  margin: 1.5rem 0;
  background: var(--wiki-code-bg);
  border: 1px solid var(--wiki-code-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-codeblock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.9rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--wiki-code-border);
}

.wiki-codeblock-lang {
  font-family: var(--wiki-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a1a1aa;
}

.wiki-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  color: #d4d4d8;
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  transition: all 0.12s ease;
}

.wiki-copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.wiki-copy-icon { display: inline-flex; }
.wiki-copy-check { display: none; color: #4ade80; }

.wiki-copy-btn.is-copied .wiki-copy-icon { display: none; }
.wiki-copy-btn.is-copied .wiki-copy-check { display: inline-flex; }
.wiki-copy-btn.is-copied { border-color: #4ade80; }

.wiki-codeblock pre {
  margin: 0;
  padding: 1.15rem;
  overflow-x: auto;
  line-height: 1.55;
}

.wiki-codeblock code {
  background: transparent;
  color: var(--wiki-code-text);
  padding: 0;
  font-size: 0.92rem;
}

/* Callouts / Admonitions */
.wiki-admon {
  margin: 1.5rem 0;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  border-left: 4px solid;
}

.wiki-admon-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.wiki-admon-content p {
  margin: 0;
  font-size: 0.94rem;
}

.wiki-admon-tip {
  background: var(--wiki-tip-bg);
  border-color: var(--wiki-tip-border);
  color: var(--wiki-tip-text);
}

.wiki-admon-warn {
  background: var(--wiki-warn-bg);
  border-color: var(--wiki-warn-border);
  color: var(--wiki-warn-text);
}

.wiki-admon-info {
  background: var(--wiki-info-bg);
  border-color: var(--wiki-info-border);
  color: var(--wiki-info-text);
}

/* Blockquotes */
.wiki-prose blockquote {
  margin: 1.5rem 0;
  padding: 0.6rem 1.25rem;
  border-left: 3.5px solid var(--wiki-accent);
  background: var(--wiki-surface);
  border-radius: 0 8px 8px 0;
  color: var(--wiki-text-muted);
  font-style: italic;
}

.wiki-prose blockquote p:last-child {
  margin-bottom: 0;
}

/* Tables */
.wiki-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1.75rem 0;
  border: 1px solid var(--wiki-border);
  border-radius: 10px;
  background: var(--wiki-surface);
}

.wiki-prose table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.wiki-prose th,
.wiki-prose td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-prose th {
  background: var(--wiki-bg);
  font-weight: 700;
  color: var(--wiki-text);
}

.wiki-prose tr:last-child td {
  border-bottom: none;
}

/* Lists & Task Lists */
.wiki-prose ul,
.wiki-prose ol {
  padding-left: 1.6rem;
  margin-bottom: 1.25rem;
}

.wiki-prose li {
  margin-bottom: 0.35rem;
}

.wiki-task {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: -1.25rem;
}

.wiki-task-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--wiki-border-strong);
  border-radius: 4px;
  background: var(--wiki-surface);
  color: var(--wiki-accent);
}

.wiki-task.is-checked .wiki-task-box {
  background: var(--wiki-accent);
  border-color: var(--wiki-accent);
  color: #ffffff;
}

.wiki-task-check {
  width: 13px;
  height: 13px;
}

/* Article Footer */
.wiki-article-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--wiki-border);
}

.wiki-article-action-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

/* Pager Cards (Prev / Next) */
.wiki-pager-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.wiki-pager-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
}

.wiki-pager-card:hover {
  border-color: var(--wiki-accent);
  transform: translateY(-2px);
  box-shadow: var(--wiki-shadow-sm);
}

.wiki-pager-prev {
  text-align: left;
}

.wiki-pager-next {
  text-align: right;
}

.wiki-pager-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--wiki-text-subtle);
  margin-bottom: 0.35rem;
}

.wiki-pager-next .wiki-pager-hint {
  justify-content: flex-end;
}

.wiki-pager-title {
  font-size: 1.05rem;
  color: var(--wiki-text);
  font-weight: 700;
}

.wiki-pager-ico {
  display: inline-flex;
}

/* Related Articles in Footer */
.wiki-related-box {
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 14px;
  padding: 1.75rem;
}

.wiki-related-heading {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 1.25rem;
  color: var(--wiki-text);
}

.wiki-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.wiki-related-card {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-radius: 8px;
  background: var(--wiki-bg);
  border: 1px solid var(--wiki-border);
  text-decoration: none;
  color: inherit;
  transition: all 0.12s ease;
}

.wiki-related-card:hover {
  border-color: var(--wiki-accent);
  background: var(--wiki-surface-hover);
}

.wiki-related-title {
  font-size: 0.96rem;
  color: var(--wiki-text);
  margin-top: 0.35rem;
  margin-bottom: 0.2rem;
}

.wiki-related-desc {
  font-size: 0.82rem;
  color: var(--wiki-text-muted);
  margin: 0;
  line-height: 1.4;
}

/* ==========================================================================
   Right Sidebar: Sticky Table of Contents
   ========================================================================== */

.wiki-toc-sidebar {
  position: sticky;
  top: calc(var(--wiki-header-height) + 1.5rem);
  max-height: calc(100vh - var(--wiki-header-height) - 3rem);
  overflow-y: auto;
}

.wiki-toc-sticky-box {
  padding: 0.5rem 0 0.5rem 0.5rem;
  border-left: 1px solid var(--wiki-border);
}

.wiki-toc-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--wiki-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wiki-text-subtle);
  margin-bottom: 0.85rem;
  padding-left: 0.75rem;
}

.wiki-toc-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.wiki-toc-item-lvl-2 {
  padding-left: 0.75rem;
}

.wiki-toc-item-lvl-3 {
  padding-left: 1.5rem;
}

.wiki-toc-link {
  display: block;
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--wiki-text-muted);
  text-decoration: none;
  transition: color 0.12s ease;
}

.wiki-toc-link:hover {
  color: var(--wiki-text);
}

.wiki-toc-link.is-active {
  color: var(--wiki-accent);
  font-weight: 600;
}

.wiki-toc-quick-actions {
  margin-top: 1.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--wiki-border);
  padding-left: 0.75rem;
}

.wiki-toc-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--wiki-text-subtle);
  text-decoration: none;
  transition: color 0.12s ease;
}

.wiki-toc-top-link:hover {
  color: var(--wiki-accent);
}

/* ==========================================================================
   Floating Back to Top Button
   ========================================================================== */

.wiki-back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--wiki-surface);
  border: 1.5px solid var(--wiki-border);
  color: var(--wiki-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--wiki-shadow-md);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.wiki-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.wiki-back-to-top:hover {
  border-color: var(--wiki-accent);
  color: var(--wiki-accent);
  transform: translateY(-2px);
  box-shadow: var(--wiki-shadow-lg);
}

/* ==========================================================================
   Command Palette / Search Modal
   ========================================================================== */

.wiki-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 1.25rem 2rem;
}

.wiki-modal[hidden] {
  display: none !important;
}

.wiki-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
}

.wiki-modal-card {
  width: 100%;
  max-width: 620px;
  background: var(--wiki-surface);
  border: 1px solid var(--wiki-border);
  border-radius: 16px;
  box-shadow: var(--wiki-shadow-modal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: wikiModalIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes wikiModalIn {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.wiki-modal-head {
  display: flex;
  align-items: center;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--wiki-border);
  gap: 0.75rem;
}

.wiki-modal-search-ico {
  display: inline-flex;
  color: var(--wiki-text-muted);
}

.wiki-modal-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--wiki-text);
  font-family: inherit;
  font-size: 1.1rem;
  outline: none;
}

.wiki-modal-input::placeholder {
  color: var(--wiki-text-subtle);
}

.wiki-modal-close-btn {
  background: transparent;
  border: none;
  color: var(--wiki-text-subtle);
  cursor: pointer;
  display: inline-flex;
  padding: 0.3rem;
  border-radius: 6px;
  transition: all 0.12s ease;
}

.wiki-modal-close-btn:hover {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
}

.wiki-modal-body {
  max-height: 400px;
  overflow-y: auto;
  padding: 0.75rem;
}

.wiki-modal-empty {
  padding: 2.5rem 1rem;
  text-align: center;
}

.wiki-modal-hint {
  color: var(--wiki-text-subtle);
  font-size: 0.92rem;
  margin: 0;
}

.wiki-modal-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--wiki-text);
  transition: background 0.1s ease;
}

.wiki-modal-item:hover,
.wiki-modal-item.is-selected {
  background: var(--wiki-surface-hover);
}

.wiki-modal-item-ico {
  display: inline-flex;
  padding: 0.45rem;
  border-radius: 8px;
  background: var(--wiki-accent-subtle);
  color: var(--wiki-accent);
}

.wiki-modal-item-info {
  flex: 1;
  min-width: 0;
}

.wiki-modal-item-title {
  display: block;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--wiki-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wiki-modal-item-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--wiki-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wiki-modal-foot {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.65rem 1.25rem;
  border-top: 1px solid var(--wiki-border);
  background: var(--wiki-bg);
  font-size: 0.76rem;
  color: var(--wiki-text-subtle);
}

.wiki-modal-shortcut {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   Mobile Drawer Navigation
   ========================================================================== */

.wiki-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 180;
}

.wiki-drawer-backdrop[hidden] {
  display: none;
}

.wiki-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 82%;
  max-width: 320px;
  background: var(--wiki-surface);
  border-right: 1px solid var(--wiki-border);
  z-index: 190;
  display: flex;
  flex-direction: column;
  box-shadow: var(--wiki-shadow-modal);
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.wiki-drawer[hidden] {
  display: none;
}

.wiki-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--wiki-border);
}

.wiki-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
}

.wiki-search-trigger-mobile {
  margin-bottom: 1.25rem;
}

.wiki-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.wiki-drawer-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--wiki-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.94rem;
}

.wiki-drawer-link:hover {
  background: var(--wiki-surface-hover);
}

.wiki-drawer-section {
  margin-bottom: 1.5rem;
}

.wiki-drawer-label {
  display: block;
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wiki-text-subtle);
  margin-bottom: 0.6rem;
}

.wiki-drawer-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.wiki-drawer-cat-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--wiki-text-muted);
  font-size: 0.88rem;
}

.wiki-drawer-cat-link:hover,
.wiki-drawer-cat-link.is-active {
  background: var(--wiki-surface-hover);
  color: var(--wiki-text);
}

.wiki-drawer-cat-link.is-active {
  color: var(--wiki-accent);
  background: var(--wiki-accent-subtle);
  font-weight: 600;
}

.wiki-drawer-cat-title {
  flex: 1;
}

.wiki-drawer-cat-count {
  font-family: var(--wiki-font-mono);
  font-size: 0.72rem;
  color: var(--wiki-text-subtle);
}

.wiki-drawer-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--wiki-border);
}

.wiki-lang-switch-full {
  width: 100%;
  display: flex;
}

.wiki-lang-switch-full .wiki-lang-btn {
  flex: 1;
  text-align: center;
}

/* ==========================================================================
   Dedicated Wiki Footer
   ========================================================================== */

.wiki-footer {
  border-top: 1px solid var(--wiki-border);
  background: var(--wiki-surface);
  padding: 4rem 0 2.5rem;
}

.wiki-footer-inner {
  max-width: var(--wiki-content-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.wiki-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--wiki-text);
  margin-bottom: 0.75rem;
}

.wiki-footer-tagline {
  color: var(--wiki-text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
  max-width: 440px;
  margin: 0 0 1.25rem;
}

.wiki-footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wiki-chip-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--wiki-text-muted);
  background: var(--wiki-bg);
  border: 1px solid var(--wiki-border);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
}

.wiki-footer-heading {
  display: block;
  font-family: var(--wiki-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wiki-text);
  margin-bottom: 1rem;
}

.wiki-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wiki-footer-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--wiki-text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.12s ease;
}

.wiki-footer-list a:hover {
  color: var(--wiki-accent);
}

.wiki-footer-bottom {
  border-top: 1px solid var(--wiki-border);
  padding-top: 1.5rem;
}

.wiki-footer-bottom-inner {
  max-width: var(--wiki-content-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--wiki-text-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.wiki-footer-bottom p {
  margin: 0;
}

.wiki-footer-kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   Search Page Styles
   ========================================================================== */

.wiki-search-hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--wiki-border);
  margin-bottom: 2rem;
}

.wiki-search-wide {
  max-width: 680px;
}

.wiki-search-status-bar {
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1120px) {
  .wiki-article-layout {
    grid-template-columns: var(--wiki-sidebar-width) minmax(0, 1fr);
  }
  .wiki-toc-sidebar {
    display: none;
  }
  .wiki-mobile-toc {
    display: block;
  }
}

@media (max-width: 860px) {
  .wiki-topbar-center,
  .wiki-categories-link,
  .wiki-back-link {
    display: none;
  }
  .wiki-menu-toggle {
    display: inline-flex;
  }
  .wiki-doc-layout,
  .wiki-article-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .wiki-doc-sidebar,
  .wiki-sidebar-nav {
    display: none;
  }
  .wiki-footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .wiki-stats-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .wiki-banner-contribute {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }
  .wiki-pager-grid {
    grid-template-columns: 1fr;
  }
  .wiki-pager-next {
    text-align: left;
  }
  .wiki-pager-next .wiki-pager-hint {
    justify-content: flex-start;
  }
  .wiki-related-grid {
    grid-template-columns: 1fr;
  }
}