/* Agent Studio handbook — Monty Hayton Chat AI (Dribbble) inspired */

@import url("https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap");

:root,
html[data-theme="light"] {
  --as-ink: #141416;
  --as-muted: #5c5c66;
  --as-surface: #ececee;
  --as-panel: #ffffff;
  --as-panel-elevated: #f5f5f7;
  --as-line: rgba(20, 20, 22, 0.1);
  --as-line-strong: rgba(20, 20, 22, 0.16);
  --as-accent: #a03583;
  --as-accent-2: #4b31da;
  --as-accent-soft: rgba(160, 53, 131, 0.1);
  --as-accent-glow: rgba(75, 49, 218, 0.22);
  --as-accent-strong: #4f2fc0;
  --as-accent-grad: linear-gradient(90deg, #c048c8 0%, #7a3fd0 48%, #4b31da 100%);
  --as-header-bg: rgba(245, 245, 247, 0.9);
  --as-sidebar-bg: linear-gradient(180deg, #f3f3f5 0%, #ececee 100%);
  --as-shadow-sm: 0 1px 2px rgba(26, 26, 28, 0.04);
  --as-shadow: 0 10px 28px rgba(26, 26, 28, 0.07);
  --as-shadow-lg: 0 18px 48px rgba(26, 26, 28, 0.1);
  --as-radius: 16px;
  --as-radius-sm: 12px;
  --as-font-display: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --as-font-body: "Figtree", "Segoe UI", sans-serif;
  --as-font-mono: "IBM Plex Mono", "Cascadia Code", ui-monospace, monospace;
  --as-mesh-a: rgba(192, 72, 200, 0.08);
  --as-mesh-b: rgba(75, 49, 218, 0.06);
  --as-code-bg: #f0f0f4;
  --as-code-fg: #1a1a1c;
  --as-code-border: rgba(26, 26, 28, 0.12);
  --as-code-btn-bg: rgba(255, 255, 255, 0.92);
  --as-code-btn-fg: #4a4a52;
  --as-code-btn-border: rgba(26, 26, 28, 0.14);
  --as-code-btn-hover: #ffffff;
  --as-hljs-keyword: #9a2f7a;
  --as-hljs-string: #2f6b28;
  --as-hljs-number: #4b31da;
  --as-hljs-comment: #6b6b74;
  --as-hljs-built: #4f2fc0;
  --as-hljs-attr: #8a3a6a;
  --as-prose: 1.0625rem;
  color-scheme: light;
}

html[data-theme="dark"],
.book.color-theme-2 {
  --as-ink: #f5f4fa;
  --as-muted: #c5c4d0;
  --as-surface: #0e0e14;
  --as-panel: #16161f;
  --as-panel-elevated: #1c1c28;
  --as-line: rgba(240, 239, 244, 0.12);
  --as-line-strong: rgba(240, 239, 244, 0.2);
  --as-accent: #d46bc8;
  --as-accent-2: #8b7cf7;
  --as-accent-soft: rgba(212, 107, 200, 0.14);
  --as-accent-glow: rgba(139, 124, 247, 0.24);
  --as-accent-strong: #c4b8ff;
  --as-accent-grad: linear-gradient(90deg, #d46bc8 0%, #9b6ef0 48%, #6b5ef5 100%);
  --as-header-bg: rgba(22, 22, 31, 0.9);
  --as-sidebar-bg: linear-gradient(180deg, #16161f 0%, #12121a 100%);
  --as-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --as-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  --as-shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.55);
  --as-mesh-a: rgba(212, 107, 200, 0.08);
  --as-mesh-b: rgba(107, 94, 245, 0.1);
  --as-code-bg: #0f0f16;
  --as-code-fg: #e8e7ef;
  --as-code-border: rgba(240, 239, 244, 0.14);
  --as-code-btn-bg: rgba(28, 28, 40, 0.92);
  --as-code-btn-fg: #c4c3ce;
  --as-code-btn-border: rgba(240, 239, 244, 0.16);
  --as-code-btn-hover: #252534;
  --as-hljs-keyword: #d46bc8;
  --as-hljs-string: #9dcc7a;
  --as-hljs-number: #8b7cf7;
  --as-hljs-comment: #8a8996;
  --as-hljs-built: #b8a9ff;
  --as-hljs-attr: #e0a0d4;
  color-scheme: dark;
}

/* ---------- Base ---------- */

/* GitBook sets html to 10px — restore a normal rem root so type scales are readable */
html {
  font-size: 16px !important;
}

html,
body {
  height: 100%;
  background: var(--as-surface);
}

html,
body,
.book,
.book-body,
.book-summary,
.markdown-section {
  font-family: var(--as-font-body) !important;
  color: var(--as-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Keep fontsettings A+/A- usable without exploding sizes after rem restore */
.book.font-size-0 .markdown-section { font-size: 0.9375rem !important; }
.book.font-size-1 .markdown-section { font-size: 1rem !important; }
.book.font-size-2 .markdown-section { font-size: var(--as-prose) !important; }
.book.font-size-3 .markdown-section { font-size: 1.125rem !important; }
.book.font-size-4 .markdown-section { font-size: 1.1875rem !important; }

.book {
  background:
    radial-gradient(900px 420px at 12% -10%, var(--as-mesh-a), transparent 60%),
    radial-gradient(700px 380px at 100% 0%, var(--as-mesh-b), transparent 55%),
    var(--as-surface) !important;
  font-size: 1rem !important;
}

/* Ensure sticky header sticks within the real scrollport */
.body-inner {
  overflow-x: hidden !important;
  overflow-y: auto !important;
}

.book-body {
  overflow: hidden !important;
}

/* ---------- Sidebar — neural console ---------- */

.book-summary {
  --as-nav-rail: color-mix(in srgb, var(--as-accent-2) 55%, transparent);
  background:
    radial-gradient(520px 280px at 0% 0%, var(--as-mesh-a), transparent 62%),
    radial-gradient(420px 240px at 100% 18%, var(--as-mesh-b), transparent 58%),
    linear-gradient(180deg, color-mix(in srgb, var(--as-panel) 55%, transparent) 0%, transparent 42%),
    var(--as-sidebar-bg) !important;
  border-right: 1px solid var(--as-line) !important;
  box-shadow: 12px 0 40px rgba(26, 26, 28, 0.06) !important;
  z-index: 3;
  overflow-x: hidden !important;
  overflow-y: auto !important;
}

.book-summary::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--as-accent-2) 28%, transparent) 1px, transparent 0);
  background-size: 18px 18px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
}

html[data-theme="dark"] .book-summary,
.book.color-theme-2 .book-summary {
  box-shadow: 16px 0 48px rgba(0, 0, 0, 0.45) !important;
}

html[data-theme="dark"] .book-summary::before,
.book.color-theme-2 .book-summary::before {
  opacity: 0.22;
}

.book-summary::-webkit-scrollbar {
  width: 6px;
}

.book-summary::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--as-accent-2) 35%, var(--as-line-strong));
  border-radius: 999px;
}

.book-summary::-webkit-scrollbar-track {
  background: transparent;
}

/* Sticky logo strip — nav scrolls underneath */
.as-brand-bar {
  position: sticky;
  top: 0;
  z-index: 6;
  padding: 0.85rem 0.9rem 0.7rem;
  margin: 0;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--as-panel-elevated) 92%, transparent) 0%, color-mix(in srgb, var(--as-panel-elevated) 72%, transparent) 70%, transparent 100%);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}

.as-brand {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.85rem 0.9rem;
  border-radius: 18px;
  text-decoration: none !important;
  color: var(--as-ink) !important;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--as-accent-soft) 70%, var(--as-panel)) 0%, var(--as-panel) 48%, color-mix(in srgb, var(--as-mesh-b) 40%, var(--as-panel)) 100%);
  border: 1px solid color-mix(in srgb, var(--as-accent-2) 22%, var(--as-line));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.45) inset,
    0 10px 28px rgba(26, 26, 28, 0.08),
    0 0 0 1px color-mix(in srgb, var(--as-accent-2) 8%, transparent);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.as-brand::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--as-accent-glow), transparent 68%);
  pointer-events: none;
}

html[data-theme="dark"] .as-brand,
.book.color-theme-2 .as-brand {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 14px 36px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(139, 124, 247, 0.14);
}

.as-brand:hover {
  transform: translateY(-1px);
  box-shadow: var(--as-shadow);
  border-color: color-mix(in srgb, var(--as-accent-2) 45%, transparent);
}

.as-brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 30%, var(--as-accent-glow), transparent 55%),
    var(--as-accent-soft);
  box-shadow: inset 0 0 0 1px var(--as-line);
  flex: 0 0 auto;
  z-index: 1;
}

.as-brand-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--as-accent-2) 45%, transparent);
  opacity: 0.55;
  animation: as-pulse 2.8s ease-out infinite;
  pointer-events: none;
}

@keyframes as-pulse {
  0% { transform: scale(0.92); opacity: 0.55; }
  70% { transform: scale(1.12); opacity: 0; }
  100% { transform: scale(1.12); opacity: 0; }
}

.as-brand-mark img {
  display: block;
  width: 28px;
  height: 28px;
  position: relative;
  z-index: 1;
}

.as-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  z-index: 1;
}

.as-brand-name {
  font-family: var(--as-font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.as-brand-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--as-accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.as-brand-signal {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--as-accent-grad);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--as-accent-2) 18%, transparent);
  z-index: 1;
  flex: 0 0 auto;
}

.as-nav {
  position: relative;
  z-index: 1;
  padding: 0.15rem 0.65rem 0.25rem;
}

.book-summary ul.summary {
  padding: 0.15rem 0 2.25rem !important;
}

.book-summary ul.summary > li {
  list-style: none;
}

/* External / utility links as agent chips */
.book-summary ul.summary > li > a.custom-link,
.book-summary ul.summary > li > a.gitbook-link {
  display: inline-flex !important;
  align-items: center;
  gap: 0.45rem;
  margin: 0.2rem 0.35rem !important;
  padding: 0.45rem 0.75rem !important;
  border-radius: 999px !important;
  border: 1px solid var(--as-line-strong) !important;
  background: color-mix(in srgb, var(--as-panel) 82%, transparent) !important;
  color: var(--as-ink) !important;
  box-shadow: var(--as-shadow-sm);
}

.book-summary ul.summary > li > a.custom-link::before,
.book-summary ul.summary > li > a.gitbook-link::before {
  display: none !important;
}

.book-summary ul.summary > li > a.custom-link:hover,
.book-summary ul.summary > li > a.gitbook-link:hover {
  border-color: color-mix(in srgb, var(--as-accent-2) 40%, transparent) !important;
  background: var(--as-accent-soft) !important;
  transform: none;
}

.book-summary ul.summary li a,
.book-summary ul.summary li span {
  position: relative;
  display: block !important;
  color: var(--as-muted) !important;
  border-left: 0 !important;
  margin: 0.12rem 0.2rem !important;
  padding: 0.5rem 0.85rem 0.5rem 1.05rem !important;
  border-radius: 12px !important;
  font-size: 0.9375rem !important;
  line-height: 1.4 !important;
  font-weight: 500 !important;
  transition: color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.book-summary ul.summary li a::before,
.book-summary ul.summary li span::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: color-mix(in srgb, var(--as-muted) 55%, transparent);
  box-shadow: 0 0 0 0 transparent;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.book-summary ul.summary li a:hover {
  color: var(--as-ink) !important;
  background: color-mix(in srgb, var(--as-accent-soft) 70%, var(--as-panel)) !important;
  transform: translateX(1px);
}

.book-summary ul.summary li a:hover::before {
  background: var(--as-accent-2);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--as-accent-2) 20%, transparent);
}

.book-summary ul.summary li.active > a {
  color: var(--as-accent-strong) !important;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--as-accent-soft) 90%, var(--as-panel)), color-mix(in srgb, var(--as-mesh-b) 35%, var(--as-panel))) !important;
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--as-accent-2) 28%, transparent),
    0 8px 20px color-mix(in srgb, var(--as-accent-2) 12%, transparent);
  font-weight: 650 !important;
}

.book-summary ul.summary li.active > a::before {
  background: var(--as-accent-grad);
  width: 6px;
  height: 6px;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--as-accent-2) 22%, transparent);
}

.book-summary ul.summary li.header {
  position: relative;
  color: var(--as-ink) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6875rem !important;
  font-weight: 700 !important;
  margin: 1.15rem 0.45rem 0.35rem !important;
  padding: 0.35rem 0.55rem 0.35rem 1.15rem !important;
  opacity: 0.78;
  border-radius: 8px;
}

.book-summary ul.summary li.header::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--as-accent-grad);
  box-shadow: 0 0 10px color-mix(in srgb, var(--as-accent-2) 35%, transparent);
}

.book-summary ul.summary li.divider {
  background: linear-gradient(90deg, transparent, var(--as-line-strong), transparent) !important;
  height: 1px !important;
  margin: 0.65rem 0.85rem !important;
}

/* Nested agent tree */
.book-summary ul.summary .articles {
  position: relative;
  padding-left: 0.55rem !important;
  margin: 0.1rem 0 0.25rem 0.85rem !important;
  border-left: 1px solid color-mix(in srgb, var(--as-accent-2) 22%, var(--as-line));
}

.book-summary ul.summary .articles li a,
.book-summary ul.summary .articles li span {
  padding-left: 0.95rem !important;
}

.book-summary ul.summary .articles li a::before,
.book-summary ul.summary .articles li span::before {
  left: 0.35rem;
  width: 4px;
  height: 4px;
}

/* Expandable chapters — modern signal chevron */
.book-summary .exc-trigger {
  color: var(--as-muted) !important;
  opacity: 0.85;
  transition: color 0.15s ease, transform 0.15s ease;
}

.book-summary .chapter > a:hover .exc-trigger,
.book-summary .chapter.expanded > a .exc-trigger {
  color: var(--as-accent-strong) !important;
}

.book-summary #book-search-input {
  display: none !important;
}

.book-summary .gitbook-link,
.book-summary a.gitbook-link {
  display: none !important;
}

.book-summary ul.summary > li:has(> a.gitbook-link),
.book-summary ul.summary > li.divider:has(+ li > a.gitbook-link) {
  display: none !important;
}

/* ---------- Header ---------- */

.book-header.as-header,
.book-header {
  display: flex !important;
  align-items: center;
  gap: 0.55rem;
  height: 64px !important;
  padding: 0 0.75rem !important;
  background: var(--as-header-bg) !important;
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border-bottom: 1px solid var(--as-line) !important;
  box-shadow: 0 8px 24px rgba(26, 26, 28, 0.05);
  overflow: visible !important;
  z-index: 30 !important;
  position: sticky !important;
  top: 0 !important;
}

html[data-theme="dark"] .book-header.as-header,
html[data-theme="dark"] .book-header,
.book.color-theme-2 .book-header {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

/* Kill legacy GitBook absolute/float header layout */
.book-header h1,
.book-header .btn,
.book-header .dropdown {
  position: static !important;
  float: none !important;
  right: auto !important;
  left: auto !important;
  top: auto !important;
}

.book-header.as-header {
  display: flex !important;
  align-items: center;
  gap: 0.55rem;
}

.book-header > .btn.pull-left {
  order: 0;
  flex: 0 0 auto;
}

.as-header-actions-leading {
  order: 1;
  margin-left: 0;
}

.as-header-left {
  order: 2;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 0 1 auto;
  min-width: 0;
  max-width: 20%;
}

.as-header-search {
  order: 3;
  flex: 1 1 auto;
  display: flex;
  justify-content: stretch;
  min-width: 160px;
  max-width: 520px;
  margin: 0 0.75rem;
}

.as-header-actions-trailing {
  order: 4;
  margin-left: auto;
}

.as-header-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 0 0 auto;
}

.book-header > .btn.pull-right {
  order: 5;
  flex: 0 0 auto;
}

.as-page-title {
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0.875rem !important;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.as-page-title a {
  color: var(--as-ink) !important;
  text-decoration: none !important;
  font-family: var(--as-font-display);
  letter-spacing: -0.02em;
}

.book-header .btn {
  color: var(--as-muted) !important;
  height: 40px !important;
  line-height: 40px !important;
  border-radius: 10px !important;
  transition: background 0.15s ease, color 0.15s ease;
}

.book-header .btn:hover {
  color: var(--as-accent-strong) !important;
  background: var(--as-accent-soft) !important;
}

/* Prefer our theme toggle — hide GitBook White/Sepia/Night + Serif/Sans */
.book-header .font-settings {
  display: none !important;
}

#book-search-input {
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
}

#book-search-input input {
  width: 100%;
  height: 42px;
  padding: 0 1rem 0 2.55rem !important;
  border-radius: 999px !important;
  border: 1px solid var(--as-line-strong) !important;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%235c5c66' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='8' cy='8' r='5.5'/%3E%3Cpath d='M12.5 12.5 16 16'/%3E%3C/svg%3E")
    0.95rem 50% / 16px no-repeat,
    var(--as-panel) !important;
  color: var(--as-ink) !important;
  box-shadow: var(--as-shadow-sm);
  font-family: var(--as-font-body) !important;
  font-size: 0.9375rem !important;
  outline: none !important;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

html[data-theme="dark"] #book-search-input input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%239b9aa6' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='8' cy='8' r='5.5'/%3E%3Cpath d='M12.5 12.5 16 16'/%3E%3C/svg%3E");
}

#book-search-input input::placeholder {
  color: var(--as-muted);
  opacity: 0.85;
}

#book-search-input input:focus {
  border-color: var(--as-accent-2) !important;
  box-shadow: 0 0 0 3px var(--as-accent-soft), var(--as-shadow-sm);
}

.as-theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--as-line-strong);
  background: var(--as-panel);
  color: var(--as-ink);
  cursor: pointer;
  box-shadow: var(--as-shadow-sm);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.as-theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--as-accent-2);
  box-shadow: var(--as-shadow);
  color: var(--as-accent-strong);
}

.as-theme-toggle:focus-visible {
  outline: 2px solid var(--as-accent-2);
  outline-offset: 2px;
}

.as-theme-icon {
  display: none;
  line-height: 0;
}

html[data-theme="light"] .as-theme-icon-moon,
html:not([data-theme]) .as-theme-icon-moon {
  display: block;
}

html[data-theme="dark"] .as-theme-icon-sun {
  display: block;
}

/* ---------- Page body ---------- */

.book-body {
  background: transparent !important;
}

.book-body .body-inner,
.book-body .page-wrapper {
  background: transparent !important;
}

.as-page-inner,
.page-inner {
  max-width: 46rem !important; /* ~736px at 16px — comfortable measure */
  padding: 0 0.5rem !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section,
.markdown-section {
  color: var(--as-ink) !important;
  font-size: var(--as-prose) !important;
  line-height: 1.75 !important;
  letter-spacing: 0.005em;
  padding: 1.75rem 1.25rem 1.5rem !important;
  max-width: 100%;
}

.markdown-section > * {
  position: relative;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section p,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section li,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section td,
.markdown-section p,
.markdown-section li,
.markdown-section td {
  color: var(--as-ink) !important;
  font-size: 1em !important;
  line-height: 1.75 !important;
}

.markdown-section p {
  margin: 0 0 1.05em !important;
}

.markdown-section ul,
.markdown-section ol {
  margin: 0.35em 0 1.15em !important;
  padding-left: 1.35em !important;
}

.markdown-section li + li {
  margin-top: 0.35em;
}

.markdown-section strong,
.markdown-section b {
  color: var(--as-ink) !important;
  font-weight: 700 !important;
}

.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4 {
  font-family: var(--as-font-display) !important;
  letter-spacing: -0.025em;
  color: var(--as-ink) !important;
  line-height: 1.25 !important;
  font-weight: 750 !important;
}

.markdown-section h1 {
  font-size: 2rem !important; /* 32px */
  margin: 0 0 0.65rem !important;
  color: var(--as-ink) !important;
}

.markdown-section h1 .as-grad,
.markdown-section h1 em {
  font-style: normal;
  background: var(--as-accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Lead under title — readable secondary, not tiny muted */
.book .book-body .page-wrapper .page-inner section.normal.markdown-section h1 + p,
.markdown-section h1 + p {
  font-size: 1.125rem !important; /* 18px */
  line-height: 1.6 !important;
  color: var(--as-muted) !important;
  margin: 0 0 1.5rem !important;
  font-weight: 500 !important;
  max-width: 40rem;
}

.markdown-section h2 {
  font-size: 1.375rem !important; /* 22px */
  margin-top: 2.1rem !important;
  margin-bottom: 0.75rem !important;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--as-line);
  color: var(--as-ink) !important;
}

.markdown-section h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  margin-top: 0.45rem;
  border-radius: 999px;
  background: var(--as-accent-grad);
}

.markdown-section h3 {
  font-size: 1.125rem !important; /* 18px */
  margin-top: 1.6rem !important;
  margin-bottom: 0.55rem !important;
  color: var(--as-ink) !important;
}

.markdown-section h4 {
  font-size: 1rem !important;
  margin-top: 1.35rem !important;
  margin-bottom: 0.4rem !important;
  color: var(--as-muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700 !important;
}

html[data-theme="dark"] .markdown-section h2,
.book.color-theme-2 .markdown-section h2 {
  color: var(--as-ink) !important;
}

.markdown-section a {
  color: var(--as-accent-strong) !important;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.markdown-section a:hover {
  color: var(--as-accent-2) !important;
}

.markdown-section code {
  font-family: var(--as-font-mono) !important;
  font-size: 0.9em !important;
  background: var(--as-accent-soft) !important;
  color: var(--as-accent-strong) !important;
  border-radius: 6px !important;
  padding: 0.14em 0.42em !important;
  font-weight: 500 !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre,
.markdown-section pre {
  position: relative !important;
  background: var(--as-code-bg) !important;
  border: 1px solid var(--as-code-border) !important;
  border-radius: var(--as-radius) !important;
  box-shadow: var(--as-shadow-sm);
  padding: 1.1rem 3rem 1.1rem 1.2rem !important;
  overflow-x: auto !important;
  color: var(--as-code-fg) !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre code,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre code.hljs,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section code.hljs,
.book .book-body .page-wrapper .page-inner section.normal pre .hljs,
.book .book-body .page-wrapper .page-inner section.normal code .hljs,
.book.color-theme-2 .book-body .page-wrapper .page-inner section.normal pre .hljs,
.book.color-theme-2 .book-body .page-wrapper .page-inner section.normal code .hljs,
.markdown-section pre code,
.markdown-section pre > code.hljs {
  display: block !important;
  background: transparent !important;
  background-color: transparent !important;
  color: var(--as-code-fg) !important;
  padding: 0 !important;
  border-radius: 0 !important;
  font-family: var(--as-font-mono) !important;
  line-height: 1.65 !important;
  overflow: visible !important;
}

/* Theme-aware highlight tokens — beat honkit-plugin-highlight specificity */
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-keyword,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-selector-tag,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-literal,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-section,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-link,
.markdown-section pre .hljs-keyword,
.markdown-section pre .hljs-selector-tag,
.markdown-section pre .hljs-literal,
.markdown-section pre .hljs-section,
.markdown-section pre .hljs-link {
  color: var(--as-hljs-keyword) !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-string,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-title,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-name,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-type,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-attribute,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-symbol,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-bullet,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-addition,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-variable,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-template-tag,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-template-variable,
.markdown-section pre .hljs-string,
.markdown-section pre .hljs-title,
.markdown-section pre .hljs-name,
.markdown-section pre .hljs-type,
.markdown-section pre .hljs-attribute,
.markdown-section pre .hljs-symbol,
.markdown-section pre .hljs-bullet,
.markdown-section pre .hljs-addition,
.markdown-section pre .hljs-variable,
.markdown-section pre .hljs-template-tag,
.markdown-section pre .hljs-template-variable {
  color: var(--as-hljs-string) !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-comment,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-quote,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-deletion,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-meta,
.markdown-section pre .hljs-comment,
.markdown-section pre .hljs-quote,
.markdown-section pre .hljs-deletion,
.markdown-section pre .hljs-meta {
  color: var(--as-hljs-comment) !important;
  font-style: italic;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-number,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-regexp,
.markdown-section pre .hljs-number,
.markdown-section pre .hljs-regexp {
  color: var(--as-hljs-number) !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-built_in,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-builtin-name,
.markdown-section pre .hljs-built_in,
.markdown-section pre .hljs-builtin-name {
  color: var(--as-hljs-built) !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-attr,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-selector-attr,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-selector-pseudo,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-selector-id,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section pre .hljs-selector-class,
.markdown-section pre .hljs-attr,
.markdown-section pre .hljs-selector-attr,
.markdown-section pre .hljs-selector-pseudo,
.markdown-section pre .hljs-selector-id,
.markdown-section pre .hljs-selector-class {
  color: var(--as-hljs-attr) !important;
}

/* Modern copy control — overrides plugin inline styles */
.markdown-section pre .copy-code-button,
button.copy-code-button {
  position: absolute !important;
  top: 0.65rem !important;
  right: 0.65rem !important;
  z-index: 2;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 2rem !important;
  height: 2rem !important;
  min-width: 2rem !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 10px !important;
  border: 1px solid var(--as-code-btn-border) !important;
  background: var(--as-code-btn-bg) !important;
  color: var(--as-code-btn-fg) !important;
  box-shadow: var(--as-shadow-sm) !important;
  cursor: pointer;
  font-size: 0 !important;
  line-height: 0 !important;
  letter-spacing: 0 !important;
  text-indent: 0 !important;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.markdown-section pre .copy-code-button:hover,
button.copy-code-button:hover {
  background: var(--as-code-btn-hover) !important;
  color: var(--as-accent-strong) !important;
  border-color: color-mix(in srgb, var(--as-accent-2) 40%, transparent) !important;
  transform: translateY(-1px);
}

.markdown-section pre .copy-code-button:focus-visible,
button.copy-code-button:focus-visible {
  outline: 2px solid var(--as-accent-2);
  outline-offset: 2px;
}

.markdown-section pre .copy-code-button svg,
button.copy-code-button svg {
  width: 15px;
  height: 15px;
  display: block;
  pointer-events: none;
}

.markdown-section pre .copy-code-button.is-copied,
button.copy-code-button.is-copied {
  color: #2f9e6b !important;
  border-color: rgba(47, 158, 107, 0.35) !important;
}

/* Tables — keep real table layout so columns fill width (no side white gap) */
.book .book-body .page-wrapper .page-inner section.normal.markdown-section .as-table-scroll,
.markdown-section .as-table-scroll {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--as-line);
  border-radius: var(--as-radius-sm);
  box-shadow: var(--as-shadow-sm);
  background: var(--as-panel);
  -webkit-overflow-scrolling: touch;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table,
.markdown-section table {
  display: table !important;
  width: 100% !important;
  max-width: 100%;
  table-layout: auto;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: var(--as-panel) !important;
  margin: 0 !important;
  overflow: visible !important;
}

.markdown-section > table {
  border: 1px solid var(--as-line) !important;
  border-radius: var(--as-radius-sm) !important;
  box-shadow: var(--as-shadow-sm) !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  overflow: hidden !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table thead,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section table tbody,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section table tr,
.markdown-section table thead,
.markdown-section table tbody,
.markdown-section table tr {
  background: transparent !important;
  background-color: transparent !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table th,
.book .book-body .page-wrapper .page-inner section.normal.markdown-section table td,
.markdown-section table th,
.markdown-section table td {
  border-color: var(--as-line) !important;
  border-width: 0 0 1px !important;
  padding: 0.75rem 0.95rem !important;
  background: var(--as-panel) !important;
  background-color: var(--as-panel) !important;
  color: var(--as-ink) !important;
  vertical-align: top;
  font-size: 0.98em !important;
  line-height: 1.55 !important;
}

/* Give label columns a stable share; prose columns take the rest */
.markdown-section table th:first-child,
.markdown-section table td:first-child {
  width: 34%;
  font-weight: 600;
  white-space: normal;
}

.markdown-section table tr:last-child td {
  border-bottom: none !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table th,
.markdown-section table th {
  background: var(--as-accent-soft) !important;
  background-color: var(--as-accent-soft) !important;
  color: var(--as-ink) !important;
  font-weight: 650;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table tr:nth-child(2n),
.markdown-section table tr:nth-child(2n) {
  background: transparent !important;
  background-color: transparent !important;
}

.book .book-body .page-wrapper .page-inner section.normal.markdown-section table tr:nth-child(2n) td,
.markdown-section table tr:nth-child(2n) td {
  background: color-mix(in srgb, var(--as-panel-elevated) 85%, var(--as-panel)) !important;
  background-color: color-mix(in srgb, var(--as-panel-elevated) 85%, var(--as-panel)) !important;
}

.markdown-section blockquote {
  border-left: 4px solid var(--as-accent-2) !important;
  background: var(--as-accent-soft);
  border-radius: 0 var(--as-radius-sm) var(--as-radius-sm) 0;
  color: var(--as-ink) !important;
  box-shadow: var(--as-shadow-sm);
  padding: 0.85rem 1rem !important;
  margin: 1.15rem 0 !important;
}

.markdown-section blockquote p {
  margin-bottom: 0.4em !important;
}

.markdown-section blockquote p:last-child {
  margin-bottom: 0 !important;
}

/* flexible-alerts / callouts — theme-aware, readable */
.markdown-section .alert,
.markdown-section .hint {
  border-radius: var(--as-radius-sm) !important;
  box-shadow: var(--as-shadow-sm);
  border: 1px solid var(--as-line) !important;
  background: var(--as-panel) !important;
  color: var(--as-ink) !important;
  padding: 0.95rem 1.1rem !important;
  margin: 1.15rem 0 !important;
  font-size: 0.98em !important;
  line-height: 1.65 !important;
}

.markdown-section .alert .title,
.markdown-section .hint .title {
  color: var(--as-ink) !important;
  font-weight: 700 !important;
  font-family: var(--as-font-display) !important;
  font-size: 0.95em !important;
  margin-bottom: 0.35rem !important;
}

.markdown-section .alert p,
.markdown-section .hint p,
.markdown-section .alert,
.markdown-section .hint {
  color: var(--as-ink) !important;
}

.markdown-section .alert.tip,
.markdown-section .hint.tip {
  border-left: 4px solid #2f9e6b !important;
  background: color-mix(in srgb, #2f9e6b 8%, var(--as-panel)) !important;
}

.markdown-section .alert.note,
.markdown-section .hint.note,
.markdown-section .alert.info {
  border-left: 4px solid var(--as-accent-2) !important;
  background: color-mix(in srgb, var(--as-accent-2) 8%, var(--as-panel)) !important;
}

.markdown-section .alert.warning,
.markdown-section .hint.warning {
  border-left: 4px solid #c9862a !important;
  background: color-mix(in srgb, #c9862a 10%, var(--as-panel)) !important;
}

.markdown-section .alert.danger,
.markdown-section .hint.danger {
  border-left: 4px solid #c44b4b !important;
  background: color-mix(in srgb, #c44b4b 10%, var(--as-panel)) !important;
}

/* ---------- Side chevrons ---------- */

.navigation {
  color: var(--as-muted) !important;
  text-shadow: none !important;
  opacity: 0.45;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.navigation:hover {
  color: var(--as-accent-strong) !important;
  opacity: 1;
}

/* Back-to-top — match theme */
body .fa.fa-arrow-up,
body .back-to-top {
  color: var(--as-ink) !important;
}

div[class*="back-to-top"],
.back-to-top-button {
  background: var(--as-panel) !important;
  border: 1px solid var(--as-line-strong) !important;
  color: var(--as-ink) !important;
  box-shadow: var(--as-shadow) !important;
  border-radius: 12px !important;
}

/* ---------- GitBook-style footer prev/next ---------- */

.as-page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.25rem 0 3rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--as-line);
}

.as-page-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--as-radius);
  border: 1px solid var(--as-line-strong);
  background: var(--as-panel);
  box-shadow: var(--as-shadow-sm);
  text-decoration: none !important;
  color: var(--as-ink) !important;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  min-width: 0;
  position: relative;
  overflow: hidden;
}

.as-page-nav-link::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--as-accent-grad);
  opacity: 0.85;
}

.as-page-nav-next::before {
  inset: 0 0 0 auto;
}

.as-page-nav-link:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--as-accent-2) 45%, transparent);
  box-shadow: var(--as-shadow);
}

.as-page-nav-link:focus-visible {
  outline: 2px solid var(--as-accent-2);
  outline-offset: 2px;
}

.as-page-nav-prev {
  align-items: flex-start;
  grid-column: 1;
}

.as-page-nav-next {
  align-items: flex-end;
  text-align: right;
  grid-column: 2;
}

.as-page-nav-next.as-page-nav-only,
.as-page-nav-prev.as-page-nav-only {
  grid-column: 1 / -1;
}

.as-page-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--as-muted);
}

.as-page-nav-title {
  font-family: var(--as-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--as-ink);
}

.as-page-nav-link:hover .as-page-nav-label {
  color: var(--as-accent-strong);
}

.as-page-nav-link:hover .as-page-nav-title {
  color: var(--as-accent-2);
}

/* ---------- Search results ---------- */

#book-search-results .search-results {
  background: transparent;
}

#book-search-results .search-results-item {
  padding: 1rem 1.1rem;
  margin-bottom: 0.85rem;
  border-radius: var(--as-radius-sm);
  background: var(--as-panel);
  border: 1px solid var(--as-line);
  box-shadow: var(--as-shadow-sm);
}

#book-search-results .search-results-item a {
  color: var(--as-accent-strong) !important;
  font-family: var(--as-font-display);
  font-weight: 700;
}

/* ---------- Mobile ---------- */

@media (max-width: 900px) {
  .as-header-left {
    max-width: 34%;
  }

  .as-page-title {
    display: none;
  }

  .as-header-search {
    max-width: none;
  }

  .markdown-section {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .markdown-section h1 {
    font-size: 1.65rem !important;
  }

  .markdown-section h2 {
    font-size: 1.25rem !important;
  }

  .markdown-section h1 + p {
    font-size: 1.05rem !important;
  }
}

@media (max-width: 600px) {
  .book-header.as-header {
    height: auto !important;
    min-height: 56px;
    flex-wrap: wrap;
    padding: 0.45rem 0.55rem !important;
    gap: 0.45rem;
  }

  .as-header-search {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
  }

  .as-brand-bar {
    padding: 0.65rem 0.75rem 0.5rem;
  }

  .as-page-nav {
    grid-template-columns: 1fr;
  }

  .as-page-nav-prev,
  .as-page-nav-next,
  .as-page-nav-next.as-page-nav-only,
  .as-page-nav-prev.as-page-nav-only {
    grid-column: 1;
    align-items: flex-start;
    text-align: left;
  }
}