/* ═══════════════════════════════════════════════════════════════════════
   AuditGraph Docs — Obsidian Command Theme
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 1. Design Tokens ─────────────────────────────────────────────── */
:root {
  --bg-deep:       #06090f;
  --bg-surface:    #0c1220;
  --bg-raised:     #111a2e;
  --bg-elevated:   #162038;
  --bg-hover:      #1a2744;
  --bg-active:     #1f2f52;

  --text-primary:   #e8ecf4;
  --text-secondary: #8b9dc3;
  --text-tertiary:  #5a6f96;
  --text-muted:     #3d5078;

  --border-default: #1e2d4a;
  --border-subtle:  #15213a;
  --border-strong:  #2a3f66;

  --accent-blue:    #2563eb;
  --accent-green:   #10b981;
  --accent-amber:   #f59e0b;
  --accent-red:     #dc2626;
  --accent-purple:  #8b5cf6;

  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --header-h:  56px;
  --sidebar-w: 280px;
  --toc-w:     220px;
  --content-max: 820px;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ── 2. Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  font-family: var(--font-body);
  background: var(--bg-surface);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ── 3. Layout ────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
}

.logo-img {
  height: 28px;
  width: auto;
}

.logo-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.logo-divider {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 20px;
}

.logo-sub {
  color: var(--text-tertiary);
  font-size: 15px;
  font-weight: 400;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Search */
.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-tertiary);
  pointer-events: none;
}

#search-input {
  width: 260px;
  height: 36px;
  padding: 0 36px;
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, width 0.2s;
}

#search-input:focus {
  border-color: var(--accent-blue);
  width: 320px;
}

#search-input::placeholder {
  color: var(--text-muted);
}

.search-shortcut {
  position: absolute;
  right: 10px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--bg-deep);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  pointer-events: none;
}

#search-input:focus ~ .search-shortcut { display: none; }

.search-results {
  display: none;
  position: absolute;
  top: 42px;
  left: 0;
  right: 0;
  max-height: 400px;
  overflow-y: auto;
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  z-index: 200;
}

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

.search-result-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
}

.search-result-item:last-child { border-bottom: none; }

.search-result-item:hover,
.search-result-item.active {
  background: var(--bg-hover);
}

.search-result-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.search-result-snippet {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.search-result-snippet mark {
  background: rgba(37, 99, 235, 0.3);
  color: var(--text-primary);
  border-radius: 2px;
  padding: 0 2px;
}

.search-no-results {
  padding: 20px 14px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}

/* Launch button */
.launch-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--accent-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  transition: background 0.15s;
}

.launch-btn:hover { background: #1d4ed8; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 3-column layout */
.layout {
  display: flex;
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h) - 56px);
}

.sidebar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-deep);
  border-right: 1px solid var(--border-default);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 50;
}

.sidebar-inner {
  padding: 20px 0 40px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 49;
}

.content {
  flex: 1;
  margin-left: var(--sidebar-w);
  margin-right: var(--toc-w);
  padding: 40px 48px 80px;
  max-width: calc(var(--content-max) + 96px);
  min-width: 0;
}

.toc-rail {
  position: fixed;
  top: var(--header-h);
  right: 0;
  bottom: 0;
  width: var(--toc-w);
  padding: 28px 16px 40px;
  overflow-y: auto;
  border-left: 1px solid var(--border-default);
}

.article { display: none; }
.article.loaded { display: block; }

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-default);
  padding: 16px 20px;
  margin-left: var(--sidebar-w);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-tertiary);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--text-secondary);
  text-decoration: none;
}

/* ── 4. Sidebar Nav ───────────────────────────────────────────────── */
.nav-section {
  margin-bottom: 8px;
}

.nav-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.nav-section-icon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.nav-link {
  display: block;
  padding: 6px 20px 6px 44px;
  font-size: 13.5px;
  color: var(--text-secondary);
  text-decoration: none !important;
  border-right: 2px solid transparent;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.08);
  border-right-color: var(--accent-blue);
  font-weight: 500;
}

/* ── 5. TOC Rail ──────────────────────────────────────────────────── */
.toc-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: 2px;
}

.toc-list a {
  display: block;
  padding: 4px 0 4px 12px;
  font-size: 12.5px;
  color: var(--text-tertiary);
  text-decoration: none !important;
  border-left: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
  line-height: 1.5;
}

.toc-list a:hover {
  color: var(--text-secondary);
}

.toc-list a.active {
  color: var(--accent-blue);
  border-left-color: var(--accent-blue);
}

.toc-list .toc-h3 {
  padding-left: 24px;
  font-size: 12px;
}

/* ── 6. Typography (Article) ──────────────────────────────────────── */
.article h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.25;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-default);
}

.article h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.article h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.article h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 24px;
  margin-bottom: 8px;
}

.article h1:first-child { margin-top: 0; }

.article p {
  margin-bottom: 16px;
}

.article ul, .article ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article li {
  margin-bottom: 4px;
}

.article li > ul, .article li > ol {
  margin-bottom: 4px;
  margin-top: 4px;
}

.article strong {
  color: var(--text-primary);
  font-weight: 600;
}

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

/* Heading anchors */
.heading-anchor {
  opacity: 0;
  margin-left: 8px;
  font-size: 0.75em;
  color: var(--text-muted);
  text-decoration: none !important;
  transition: opacity 0.15s;
  cursor: pointer;
}

.article h1:hover .heading-anchor,
.article h2:hover .heading-anchor,
.article h3:hover .heading-anchor,
.article h4:hover .heading-anchor {
  opacity: 1;
}

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

/* Inline code */
.article code {
  font-family: var(--font-mono);
  font-size: 0.87em;
  padding: 2px 6px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: #e0a8ff;
}

/* Code blocks */
.article pre {
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article pre code {
  display: block;
  padding: 16px 20px;
  background: var(--bg-deep);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--text-secondary);
}

.code-block-wrapper {
  position: relative;
  margin-bottom: 20px;
}

.code-lang-badge {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: 2px 8px;
  border-radius: 4px;
  z-index: 1;
}

/* ── 7. Special Components ────────────────────────────────────────── */

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
}

.article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.article thead th {
  background: var(--bg-raised);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-default);
  position: sticky;
  top: 0;
}

.article tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.article tbody tr:nth-child(even) {
  background: rgba(17, 26, 46, 0.4);
}

.article tbody tr:hover {
  background: var(--bg-hover);
}

/* ASCII diagrams */
.ascii-diagram {
  margin-bottom: 20px;
  border-radius: var(--radius-md);
}

.ascii-diagram code {
  display: block;
  padding: 20px 24px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: #60a5fa;
  overflow-x: auto;
  white-space: pre;
}

/* API endpoint cards */
.api-endpoint {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  margin-bottom: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
}

.api-method {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.api-method.get    { background: rgba(37, 99, 235, 0.15); color: #60a5fa; }
.api-method.post   { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.api-method.put    { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.api-method.patch  { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.api-method.delete { background: rgba(220, 38, 38, 0.15); color: #f87171; }

.api-path {
  color: var(--text-secondary);
}

/* Callout boxes */
.callout {
  padding: 14px 18px;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  border-left: 3px solid;
  font-size: 14px;
  line-height: 1.6;
}

.callout p { margin-bottom: 8px; }
.callout p:last-child { margin-bottom: 0; }

.callout-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.callout.note {
  background: rgba(37, 99, 235, 0.06);
  border-left-color: var(--accent-blue);
}

.callout.tip {
  background: rgba(16, 185, 129, 0.06);
  border-left-color: var(--accent-green);
}

.callout.warning {
  background: rgba(245, 158, 11, 0.06);
  border-left-color: var(--accent-amber);
}

.callout.danger, .callout.important {
  background: rgba(220, 38, 38, 0.06);
  border-left-color: var(--accent-red);
}

/* 404 */
.not-found {
  text-align: center;
  padding: 80px 20px;
}

.not-found h1 {
  font-size: 72px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
  border-bottom: none;
}

.not-found p {
  font-size: 18px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.not-found a {
  color: var(--accent-blue);
  font-weight: 500;
}

/* Skeleton loading */
.skeleton {
  padding: 0;
}

.skeleton-line {
  height: 16px;
  margin-bottom: 16px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--bg-raised) 25%, var(--bg-elevated) 50%, var(--bg-raised) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-line.w100 { width: 100%; }
.skeleton-line.w90  { width: 90%; }
.skeleton-line.w80  { width: 80%; }
.skeleton-line.w70  { width: 70%; }
.skeleton-line.w60  { width: 60%; }
.skeleton-line.w50  { width: 50%; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton.hidden { display: none; }

/* Blockquotes (non-callout) */
.article blockquote {
  border-left: 3px solid var(--border-strong);
  padding: 10px 16px;
  margin-bottom: 16px;
  color: var(--text-tertiary);
  background: var(--bg-raised);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

/* ── 8. Responsive ────────────────────────────────────────────────── */

/* Tablet: hide TOC */
@media (max-width: 1279px) {
  .toc-rail { display: none; }
  .content  { margin-right: 0; }
}

/* Mobile */
@media (max-width: 767px) {
  .hamburger { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 60;
  }

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

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

  .content {
    margin-left: 0;
    padding: 24px 16px 60px;
  }

  .site-footer { margin-left: 0; }

  #search-input {
    width: 140px;
  }

  #search-input:focus {
    width: 200px;
  }

  .search-shortcut { display: none; }

  .launch-btn span { display: none; }

  .article h1 { font-size: 24px; }
  .article h2 { font-size: 19px; }

  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}