/* =====================================================================
   Claude Code Documentation - Main Stylesheet
   Inspired by docs.anthropic.com design language
   ===================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand colors */
  --coral:        #d97757;
  --coral-dark:   #c4623d;
  --purple:       #8b5cf6;
  --purple-dark:  #7c3aed;

    /* Sidebar */
  --sidebar-bg:   #ffffff;
  --sidebar-border: rgba(0,0,0,0.08);
  --nav-hover-bg: rgba(0,0,0,0.04);
  --sidebar-w:    272px;

  /* Light mode */
  --bg:           #ffffff;
  --surface:      #f8f9fa;
  --border:       #e5e7eb;
  --text:         #1a1a2e;
  --text-muted:   #6b7280;
  --code-bg:      #1e1e2e;
  --code-text:    #cdd6f4;

  /* TOC */
  --toc-w:        220px;

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;

  /* Spacing */
  --header-h:     56px;

  /* Transitions */
  --tr:           150ms ease;
}

/* Dark mode variables */
[data-theme="dark"] {
  --bg:         #0f0f1a;
  --surface:    #1a1a2e;
  --border:     #2d2d45;
  --text:       #e2e8f0;
  --text-muted: #94a3b8;
  --sidebar-bg: #0f0f1a;
  --sidebar-border: rgba(255,255,255,0.08);
  --nav-hover-bg: rgba(255,255,255,0.04);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background var(--tr), color var(--tr);
}

/* ---- Layout Shell ---- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  min-height: 100vh;
}

/* ---- Top Header ---- */
.site-header {
  grid-column: 1 / -1;
  grid-row: 1;
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--sidebar-bg);
  border-bottom: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  height: var(--header-h);
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-header .logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--coral), var(--purple));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.site-header .logo-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.site-header .logo-text span {
  color: var(--coral);
}

.header-spacer { flex: 1; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  background: var(--nav-hover-bg);
  border: 1px solid var(--sidebar-border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--tr), color var(--tr);
}
.btn-icon:hover { background: var(--sidebar-border); color: var(--text); }

.hamburger { display: none; }

/* ---- Sidebar ---- */
.sidebar {
  grid-column: 1;
  grid-row: 2;
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  padding: 1.25rem 0 3rem;
  scrollbar-width: thin;
  scrollbar-color: var(--sidebar-border) transparent;
}

/* ---- Sidebar Resize Handle ---- */
.sidebar-resize-handle {
  position: fixed;
  top: var(--header-h);
  /* left is set dynamically by JS */
  width: 6px;
  height: calc(100vh - var(--header-h));
  background: transparent;
  cursor: col-resize;
  z-index: 300;
  transition: background 0.15s ease;
}
.sidebar-resize-handle:hover,
.sidebar-resize-handle.dragging {
  background: rgba(217,119,87,0.45);
}
/* Resize cursor on body while dragging */
body.sidebar-dragging,
body.sidebar-dragging * {
  cursor: col-resize !important;
  user-select: none !important;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--sidebar-border); border-radius: 4px; }

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 1.25rem 0.5rem;
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.425rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 0;
  transition: color var(--tr), background var(--tr);
  position: relative;
}

.sidebar-nav a .nav-icon {
  opacity: 0.75;
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  display: flex;
  align-items: center;
}

.sidebar-nav a .nav-icon svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
}

.sidebar-nav a:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.sidebar-nav a.active {
  color: var(--text);
  background: rgba(217,119,87,0.12);
}

.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--coral);
  border-radius: 0 3px 3px 0;
}

.sidebar-nav a.active .nav-icon {
  opacity: 1;
}

/* ---- Main Content ---- */
.content-wrapper {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  gap: 0;
  min-width: 0;
}

.page-content {
  flex: 1;
  min-width: 0;
  padding: 3rem 4rem 5rem;
  max-width: none;
}

/* ---- Table of Contents (right sidebar) — hidden, replaced by sidebar sub-nav ---- */
.toc { display: none !important; }

.toc-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-list a {
  display: block;
  padding: 0.3rem 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 5px;
  line-height: 1.4;
  transition: color var(--tr), background var(--tr);
  border-left: 2px solid transparent;
}

.toc-list a:hover { color: var(--text); }
.toc-list a.toc-active {
  color: var(--coral);
  border-left-color: var(--coral);
  background: rgba(217,119,87,0.06);
}

.toc-list .toc-h3 a { padding-left: 1.25rem; font-size: 0.78rem; }

/* ---- Sidebar Sub-Nav (replaces right TOC) ---- */
.sidebar-nav a.nav-has-sub {
  padding-right: 2rem; /* room for chevron */
}

.nav-chevron {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  opacity: 0.5;
  transition: transform var(--tr), opacity var(--tr);
  pointer-events: none;
}

.sidebar-nav a.nav-has-sub.sub-collapsed .nav-chevron {
  transform: translateY(-50%) rotate(-90deg);
}

.sidebar-sub-nav {
  list-style: none;
  margin: 0;
  padding: 0 0 0.25rem 0;
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  opacity: 1;
}

.sidebar-sub-nav.collapsed {
  max-height: 0;
  opacity: 0;
}

.sidebar-sub-nav li a {
  display: flex;
  align-items: flex-start;
  padding: 0.28rem 0.75rem 0.28rem 2.625rem;
  font-size: 0.8rem;
  color: #4a5568;
  text-decoration: none;
  transition: color var(--tr), background var(--tr);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-left: none;
  position: relative;
  line-height: 1.4;
}

.sidebar-sub-nav li a::before {
  content: '';
  position: absolute;
  left: 1.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
  flex-shrink: 0;
}

.sidebar-sub-nav li a:hover {
  color: #94a3b8;
  background: rgba(255,255,255,0.03);
}

.sidebar-sub-nav li a.sub-active {
  color: var(--coral);
}

.sidebar-sub-nav li a.sub-active::before {
  background: var(--coral);
  opacity: 1;
}

/* H3 sub-items get extra indent */
.sidebar-sub-nav li.sub-h3 a {
  padding-left: 3.5rem;
  font-size: 0.765rem;
  color: #3d4a5c;
}
.sidebar-sub-nav li.sub-h3 a::before {
  left: 2.75rem;
  width: 3px;
  height: 3px;
}

/* ---- Typography ---- */
.page-content h1 {
  font-size: 2.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}

.page-content h2 {
  font-size: 1.4rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-top: 3rem;
  margin-bottom: 0.875rem;
  padding-top: 1rem;
  color: var(--text);
  border-top: 1px solid var(--border);
}

.page-content h2:first-of-type { border-top: none; margin-top: 2rem; }

.page-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.625rem;
  color: var(--text);
}

.page-content p {
  margin-bottom: 1.125rem;
  color: var(--text);
}

.page-content ul, .page-content ol {
  margin: 0.75rem 0 1.125rem 1.5rem;
}
.page-content li { margin-bottom: 0.375rem; }

.page-content a {
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--tr);
}
.page-content a:hover { border-bottom-color: var(--coral); }

.page-intro {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.75;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, rgba(217,119,87,0.08) 0%, rgba(139,92,246,0.08) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(217,119,87,0.12);
  border: 1px solid rgba(217,119,87,0.3);
  color: var(--coral);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.5rem !important;
  margin-bottom: 0.75rem !important;
}

.hero p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: none;
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.875rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1rem;
  text-align: center;
}

.stat-number {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--coral);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---- Nav Cards ---- */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.nav-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
  display: block;
}

.nav-card:hover {
  border-color: var(--coral);
  box-shadow: 0 4px 16px rgba(217,119,87,0.12);
  transform: translateY(-2px);
}

.nav-card-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(217,119,87,0.1);
  border-radius: 8px;
  margin-bottom: 0.875rem;
  color: var(--coral);
}

.nav-card-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.nav-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  margin-top: 0 !important;
  color: var(--text);
}

.nav-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ---- Badges ---- */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.78125rem;
  font-weight: 500;
  border: 1px solid;
}

.badge-blue   { background: rgba(59,130,246,0.08);  border-color: rgba(59,130,246,0.25);  color: #3b82f6; }
.badge-green  { background: rgba(34,197,94,0.08);   border-color: rgba(34,197,94,0.25);   color: #22c55e; }
.badge-coral  { background: rgba(217,119,87,0.1);   border-color: rgba(217,119,87,0.3);   color: var(--coral); }
.badge-purple { background: rgba(139,92,246,0.08);  border-color: rgba(139,92,246,0.25);  color: var(--purple); }
.badge-gray   { background: var(--surface);          border-color: var(--border);           color: var(--text-muted); }

/* ---- Callouts ---- */
.callout {
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-left: 3px solid;
  display: flex;
  gap: 0.75rem;
}

.callout-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.callout-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}
.callout-body { flex: 1; min-width: 0; }
.callout-body p:last-child { margin-bottom: 0; }

.callout-tip     { background: rgba(34,197,94,0.06);   border-color: #22c55e; }
.callout-warning { background: rgba(234,179,8,0.06);   border-color: #eab308; }
.callout-info    { background: rgba(59,130,246,0.06);  border-color: #3b82f6; }
.callout-danger  { background: rgba(239,68,68,0.06);   border-color: #ef4444; }

.callout-tip     .callout-icon { color: #22c55e; }
.callout-warning .callout-icon { color: #eab308; }
.callout-info    .callout-icon { color: #3b82f6; }
.callout-danger  .callout-icon { color: #ef4444; }

/* ---- Code Blocks ---- */
pre {
  background: var(--code-bg) !important;
  border-radius: 10px;
  margin: 1.25rem 0;
  overflow-x: auto;
  position: relative;
  border: 1px solid rgba(255,255,255,0.06);
}

pre code.hljs {
  font-family: var(--font-mono);
  font-size: 0.84375rem;
  line-height: 1.65;
  padding: 1.25rem 1.5rem;
  background: transparent !important;
  display: block;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0.5rem 1rem;
  border-radius: 10px 10px 0 0;
}

.code-lang {
  font-size: 0.75rem;
  font-weight: 500;
  color: #6b7280;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-btn {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: #9ca3af;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 5px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--tr), color var(--tr);
}
.copy-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.copy-btn.copied { color: #22c55e; }

/* Inline code */
p code, li code, td code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: rgba(139,92,246,0.08);
  color: var(--purple);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid rgba(139,92,246,0.15);
}

[data-theme="dark"] p code,
[data-theme="dark"] li code,
[data-theme="dark"] td code {
  background: rgba(139,92,246,0.12);
  color: #a78bfa;
  border-color: rgba(139,92,246,0.2);
}

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  background: var(--surface);
  font-weight: 600;
  font-size: 0.78125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.625rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(217,119,87,0.03); }

/* ---- Diagram / Architecture ---- */
.diagram-box {
  background: var(--code-bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 2rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: #cdd6f4;
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}

.diagram-box .d-coral   { color: var(--coral); }
.diagram-box .d-purple  { color: #cba6f7; }
.diagram-box .d-green   { color: #a6e3a1; }
.diagram-box .d-blue    { color: #89b4fa; }
.diagram-box .d-yellow  { color: #f9e2af; }
.diagram-box .d-muted   { color: #585b70; }

/* ---- SVG Mindmap / Flowchart ---- */
.mindmap-wrap {
  background: #0f0f1e;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 1.5rem 1rem;
  margin: 1.5rem 0;
  overflow-x: auto;
}

.mindmap-svg {
  width: 100%;
  max-width: 100%;
  display: block;
  margin: 0 auto;
  font-family: 'Inter', -apple-system, sans-serif;
}

.mindmap-svg text {
  -webkit-font-smoothing: antialiased;
}

/* Light mode: slightly adjust mindmap background */
[data-theme="light"] .mindmap-wrap {
  background: #1a1a2e;
  border-color: rgba(255,255,255,0.1);
}

/* ---- LinkedIn Follow Button ---- */
.linkedin-follow-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  margin-top: 0.625rem;
  padding: 0.55rem 0.875rem;
  background: linear-gradient(135deg, #0077b5, #005e95);
  color: #fff !important;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: none;
  border-bottom: none !important;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 10px rgba(0,119,181,0.35);
  position: relative;
  overflow: hidden;
}

.linkedin-follow-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.linkedin-follow-btn svg {
  flex-shrink: 0;
}
.linkedin-follow-btn:hover {
  background: linear-gradient(135deg, #005e95, #00456e);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,119,181,0.5);
  border-bottom: none !important;
}

/* ---- FAQ / Accordion ---- */
.faq-section { margin: 3rem 0; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--tr);
}
.faq-item:hover { border-color: var(--coral); }
.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none; /* Hide default marker */
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform var(--tr);
}
.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-content {
  padding: 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- Back to Top Button ---- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(217, 119, 87, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color var(--tr);
  z-index: 500;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--coral-dark); }
.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2.5;
}

.linkedin-follow-btn:hover::before {
  left: 100%;
}

.linkedin-follow-btn:active {
  transform: translateY(0);
}

/* ---- Step List ---- */
.steps {
  counter-reset: step;
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.step-num {
  counter-increment: step;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--coral), var(--purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-body { flex: 1; }
.step-body strong { display: block; margin-bottom: 0.25rem; }

/* ---- Divider ---- */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* ---- Section Tags / Labels ---- */
.section-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple);
  margin-bottom: 0.375rem;
}

/* ---- Page Breadcrumb ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--coral); }
.breadcrumb .sep { opacity: 0.4; }

/* ---- Responsive ---- */
@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: -100%;
    top: var(--header-h);
    z-index: 150;
    width: 300px;
    height: calc(100vh - var(--header-h));
    transition: left 0.25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.4);
  }

  .sidebar.open { left: 0; }

  .content-wrapper { grid-column: 1; }

  .page-content { padding: 2rem 1.5rem 4rem; }

  .hamburger { display: flex; }
  .hero h1 { font-size: 1.875rem !important; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 540px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-cards  { grid-template-columns: 1fr; }
  .page-content { padding: 1.5rem 1rem 4rem; }
}

/* ---- Sidebar overlay ---- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: rgba(0,0,0,0.5);
  z-index: 140;
  opacity: 0;
  transition: opacity 0.25s;
}
.sidebar-overlay.open { display: block; opacity: 1; }

/* ---- Anchor links ---- */
.heading-anchor {
  opacity: 0;
  margin-left: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85em;
  transition: opacity var(--tr);
}
h2:hover .heading-anchor,
h3:hover .heading-anchor { opacity: 1; }

/* ---- Permission mode table colors ---- */
.mode-interactive { color: #22c55e; font-weight: 600; }
.mode-auto        { color: #f59e0b; font-weight: 600; }
.mode-bypass      { color: #ef4444; font-weight: 600; }

/* ---- Tool table ---- */
.tool-name {
  font-family: var(--font-mono);
  font-size: 0.84em;
  font-weight: 600;
  color: var(--coral);
}

/* ---- Flow diagram ---- */
.flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 1.5rem 0;
  font-size: 0.875rem;
}

.flow-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.625rem 1rem;
  font-weight: 500;
}

.flow-arrow {
  color: var(--text-muted);
  padding: 0 0.5rem;
  font-size: 1.125rem;
}

/* ---- Scrollbar in content ---- */
.page-content::-webkit-scrollbar { display: none; }

/* ---- Highlight.js theme overrides ---- */
.hljs { background: transparent !important; }

/* ---- Sidebar Download ---- */
.sidebar-download {
  padding: 1rem 1.25rem 0;
  margin-top: 0.5rem;
  border-top: 1px solid var(--sidebar-border);
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 1rem;
  background: rgba(217,119,87,0.15);
  border: 1px solid rgba(217,119,87,0.35);
  border-radius: 8px;
  color: var(--coral);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--tr), border-color var(--tr);
  cursor: pointer;
}

.download-btn:hover {
  background: rgba(217,119,87,0.25);
  border-color: rgba(217,119,87,0.6);
  color: var(--coral);
  border-bottom: 1px solid rgba(217,119,87,0.6);
}

.download-note {
  font-size: 0.71875rem;
  color: #4a5568;
  margin: 0.5rem 0 0;
  text-align: center;
}

/* ---- Download Card (index page) ---- */
.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--coral);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.download-card-left { flex: 1; min-width: 0; }

.download-card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.download-card-title svg { color: var(--coral); flex-shrink: 0; }

.download-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.download-btn-large {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--coral);
  color: #fff !important;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--tr);
  border-bottom: none !important;
}
.download-btn-large:hover { background: var(--coral-dark); color: #fff !important; border-bottom: none !important; }

@media (max-width: 600px) {
  .download-card { flex-direction: column; align-items: flex-start; }
}