@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url("../fonts/geist-mono/GeistMono-400.ttf") format("truetype");
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 500;
  font-display: block;
  src: url("../fonts/geist-mono/GeistMono-500.ttf") format("truetype");
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 600;
  font-display: block;
  src: url("../fonts/geist-mono/GeistMono-600.ttf") format("truetype");
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 700;
  font-display: block;
  src: url("../fonts/geist-mono/GeistMono-700.ttf") format("truetype");
}

:root {
  --font-copy: "Geist Mono", "IBM Plex Mono", monospace;
  --font-ui: "Geist Mono", "IBM Plex Mono", monospace;
  --app-shell-max-width: 1680px;
  --sidebar-width: 320px;
  --mobile-header-height: 72px;
  --article-rail-width: 5rem;
  color-scheme: dark;

  --radius-0: 0;
  --radius-1: 2px;
  --radius-2: 4px;

  --space-2xs: 0.28rem;
  --space-xs: 0.5rem;
  --space-sm: 0.78rem;
  --space-md: 1rem;
  --space-lg: 1.35rem;
  --space-xl: 1.9rem;

  --duration-fast: 110ms;
  --duration-base: 180ms;
  --ease-standard: cubic-bezier(0.2, 0.7, 0.25, 1);

  --bg: #0A0A0A;
  --bg-gradient-start: #0A0A0A;
  --bg-gradient-end: #0A0A0A;
  --bg-elev: #0A0A0A;
  --bg-elev-soft: #141414;
  --surface: #0A0A0A;
  --surface-soft: #1A1A1A;
  --table-bg: #0A0A0A;

  --text: #ffffff;
  --text-muted: #A3A3A3;
  --text-subtle: #737373;

  --line: #262626;
  --line-strong: #363a4f;

  --accent: #FF6A34;
  --accent-ink: #1f0b00;
  --good: #37ceb3;
  --warn: #ffbc2b;

  --button-bg: #f5f5f5;
  --button-text: #080808;

  --code-bg: #0A0A0A;
  --code-ink: #f5f5f5;

  --rail-tick-minor: rgba(255, 255, 255, 0.14);
  --rail-tick-mid: rgba(255, 255, 255, 0.24);
  --rail-tick-major: rgba(255, 106, 52, 0.52);
  --rail-active: #ff8c68;
  --rail-active-glow: rgba(255, 106, 52, 0.28);

  --row-hover: color-mix(in srgb, var(--accent) 10%, var(--surface));
  --overlay: rgba(8, 8, 8, 0.78);
  --focus-ring: color-mix(in srgb, var(--accent) 62%, transparent);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --bg-gradient-start: #ffffff;
    --bg-gradient-end: #ffffff;
    --bg-elev: #ffffff;
    --bg-elev-soft: #f5f5f5;
    --surface: #ffffff;
    --surface-soft: #f0f0f0;
    --table-bg: #ffffff;

    --text: #141414;
    --text-muted: #474747;
    --text-subtle: #666666;

    --line: #d8d2c5;
    --line-strong: #c9beab;

    --accent: #ED6C11;
    --accent-ink: #fff7f3;
    --good: #0f8978;
    --warn: #9b5a00;

    --button-bg: #1d1d1d;
    --button-text: #ffffff;

    --code-bg: #151515;
    --code-ink: #f4f4f2;

    --rail-tick-minor: rgba(20, 20, 20, 0.14);
    --rail-tick-mid: rgba(20, 20, 20, 0.24);
    --rail-tick-major: rgba(237, 108, 17, 0.46);
    --rail-active: #c85610;
    --rail-active-glow: rgba(237, 108, 17, 0.18);

    --row-hover: color-mix(in srgb, var(--accent) 9%, var(--surface));
    --overlay: rgba(20, 19, 17, 0.28);
    --focus-ring: color-mix(in srgb, var(--accent) 48%, transparent);
  }
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-muted);
  font-family: var(--font-copy);
  font-size: 15px;
  line-height: 1.3;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: none;
}

a {
  color: inherit;
}

.meta {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.shell {
  isolation: isolate;
}

.panel {
  background: var(--surface);
}

.panel-spaced {
  margin-block: 0;
}

.full {
  width: 100%;
}

.app-shell {
  max-width: var(--app-shell-max-width);
  min-height: 100vh;
  margin: 0 auto;
  border-left: 0;
  border-right: 0;
  background: var(--bg);
}

.command-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  backdrop-filter: blur(8px);
}

.command-bar::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 54%, transparent);
}

.command-row {
  min-height: 68px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) auto;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  padding: 0 var(--space-md);
  border-right: 1px solid var(--line);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.brand:hover {
  background: var(--row-hover);
  border-right-color: color-mix(in srgb, var(--accent) 44%, var(--line));
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-1);
  border: 1px solid color-mix(in srgb, var(--accent) 58%, var(--line));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-elev));
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 700;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.16rem;
  line-height: 1;
}

.brand-text strong {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.brand-text small {
  font-family: var(--font-ui);
  font-size: 0.5rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.command-readout {
  display: inline-flex;
  align-items: center;
  gap: 0.68rem;
  padding: 0 var(--space-md);
  border-right: 1px solid var(--line);
  overflow: hidden;
}

.readout-label,
.readout-value {
  font-family: var(--font-ui);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.readout-label {
  color: var(--text-subtle);
}

.readout-value {
  color: var(--text);
}

.command-actions {
  display: grid;
  grid-template-columns: auto;
  align-items: stretch;
}

.external-link,
.sidebar-toggle {
  color: var(--text);
  border: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.external-link {
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--button-bg);
  color: var(--button-text);
  padding: 0 1rem;
}

.external-link:hover {
  background: var(--accent);
  color: var(--accent-ink);
  border-left-color: color-mix(in srgb, var(--accent) 70%, var(--line));
}

.sidebar-toggle {
  background: color-mix(in srgb, var(--surface-soft) 62%, var(--surface));
  padding: 0 0.9rem;
  gap: 0.48rem;
  min-height: 2.75rem;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}

.sidebar-toggle:hover {
  background: var(--row-hover);
  border-color: color-mix(in srgb, var(--accent) 44%, var(--line));
  transform: translateY(-1px);
}

.sidebar-toggle {
  display: none;
}

.sidebar-toggle-icon {
  flex: 0 0 auto;
}

.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: var(--mobile-header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: calc(0.8rem + env(safe-area-inset-top, 0px)) 1.15rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
  backdrop-filter: blur(10px);
}

.mobile-header::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 44%, transparent);
}

.mobile-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;
}

.mobile-brand-icon {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  display: block;
  object-fit: contain;
}

.mobile-brand-text {
  min-width: 0;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.crumb-row {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 var(--space-md);
  background: var(--bg-elev-soft);
}

.crumb-key,
.crumb-value,
.crumb-divider {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.crumb-key,
.crumb-divider {
  color: var(--text-subtle);
}

.crumb-value {
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.workspace {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-right: 1px solid var(--line);
  background: var(--bg);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard), visibility 0s linear var(--duration-base);
}

.document-pane {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  min-height: 100vh;
}

.article-frame {
  position: relative;
  min-height: 100%;
}

.sidebar-head {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-brand-icon {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: block;
  object-fit: contain;
}

.sidebar-brand-text {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
}

.sidebar-search {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}

.sidebar-search-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elev-soft);
  border: 1px solid var(--line);
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}

.sidebar-search-field:focus-within {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line));
  background: color-mix(in srgb, var(--surface-soft) 40%, var(--bg-elev-soft));
}

.sidebar-search-icon {
  flex: 0 0 auto;
  color: var(--text-subtle);
}

.sidebar-search-input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  padding: 0;
  outline: none;
}

.sidebar-search-input::placeholder {
  color: var(--text-subtle);
}

.sidebar-search-input:focus-visible {
  outline: none;
}

.sidebar-search-input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0;
  margin: 0 -0.22rem 0 0;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23f2f2f2' d='M18.3 7.1 16.9 5.7 12 10.6 7.1 5.7 5.7 7.1 10.6 12l-4.9 4.9 1.4 1.4 4.9-4.9 4.9 4.9 1.4-1.4-4.9-4.9z'/%3E%3C/svg%3E");
  background-size: 1rem 1rem;
  background-position: center;
  background-repeat: no-repeat;
  background-color: transparent;
  opacity: 0.92;
  transform: translateX(0.1rem);
}

.sidebar-search-input[type="search"]::-webkit-search-cancel-button:hover {
  opacity: 1;
}

.sidebar-search-empty-clear {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 55%, var(--surface));
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.34rem 0.48rem;
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}

.sidebar-search-empty-clear:hover {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  color: var(--text);
}

.sidebar-search-results {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--surface);
  max-height: 280px;
  overflow-y: auto;
}

.sidebar-search-result-item + .sidebar-search-result-item {
  border-top: 1px solid var(--line);
}

.sidebar-search-result-link {
  display: block;
  text-decoration: none;
  padding: 0.54rem 0.58rem 0.52rem;
  transition: background var(--duration-fast) var(--ease-standard);
}

.sidebar-search-result-link:hover {
  background: var(--row-hover);
}

.sidebar-search-result-title,
.sidebar-search-result-meta,
.sidebar-search-result-snippet {
  display: block;
}

.sidebar-search-result-title {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  color: var(--text);
}

.sidebar-search-result-meta {
  margin-top: 0.2rem;
  font-family: var(--font-ui);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.sidebar-search-result-snippet {
  margin-top: 0.26rem;
  font-size: 0.67rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.sidebar-search-empty {
  padding: 0.68rem 0.62rem;
}

.sidebar-search-empty p {
  margin: 0 0 0.4rem;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.sidebar-search-empty strong {
  color: var(--text);
}

.sidebar-search mark {
  color: inherit;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

.navigator-tree {
  display: flex;
  flex-direction: column;
  padding: 12px 16px 24px 16px;
  overflow-y: auto;
  flex: 1 1 auto;
}

.navigator-tree > * {
  opacity: 1;
}

.tree-divider {
  height: 1px;
  background: var(--line);
}

.tree-root {
  display: flex;
  align-items: center;
  padding: 12px 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard);
}

.tree-root:hover {
  background: var(--surface-soft);
}

.tree-root.is-active {
  background: var(--surface-soft);
}

.tree-root.is-active .tree-label {
  color: var(--accent);
}

.tree-section > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 8px;
  cursor: pointer;
  list-style: none;
  transition: background var(--duration-fast) var(--ease-standard);
}

.tree-section > summary::-webkit-details-marker {
  display: none;
}

.tree-section > summary:hover {
  background: var(--surface-soft);
}

.tree-section[open] > summary {
  background: var(--surface-soft);
}

.tree-section[open] > summary .tree-label {
  color: var(--text);
}

.tree-chevron {
  color: var(--text-subtle);
  transition: transform var(--duration-base) var(--ease-standard);
  flex: 0 0 auto;
}

.tree-section[open] > summary .tree-chevron {
  transform: rotate(180deg);
  color: var(--text-muted);
}

.tree-label {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.tree-list,
.tree-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tree-list {
  padding-left: 16px;
}

.tree-item {
  margin: 0;
}

.tree-link {
  display: block;
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding: 12px 8px;
  transition: color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard);
}

.tree-link:hover {
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface-soft) 50%, transparent);
}

.tree-link.is-active {
  color: var(--accent);
}

.tree-sublist {
  margin-left: 8px;
  border-left: 1px solid var(--line);
  padding-left: 8px;
}

.tree-sublink {
  font-size: 11px;
  color: var(--text-subtle);
}

.terminal-card {
  width: 100%;
  max-width: none;
  border: 0;
  background: transparent;
  position: relative;
  overflow: visible;
  box-shadow: none;
}

.terminal-card::before {
  content: none;
}

.article-rail {
  display: none;
  position: fixed;
  top: 34px;
  right: calc(env(safe-area-inset-right, 0px) + 16px);
  bottom: 20px;
  width: var(--article-rail-width);
  z-index: 20;
  pointer-events: none;
}

.article-progress-scale {
  position: relative;
  height: 100%;
  width: 100%;
}

.article-progress-ticks {
  position: absolute;
  inset: 0;
}

.article-progress-tick {
  position: absolute;
  top: calc(var(--tick-position, 0) * 100%);
  right: 0;
  width: 0.5rem;
  border-top: 1px solid var(--rail-tick-minor);
  transform: translateY(-50%);
}

.article-progress-tick.is-mid {
  width: 0.88rem;
  border-top-color: var(--rail-tick-mid);
}

.article-progress-tick.is-major {
  width: 1.32rem;
  border-top-color: var(--rail-tick-major);
}

.article-progress-hud {
  position: absolute;
  top: var(--article-progress-display, 0%);
  right: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  transform: translateY(-50%);
}

.article-rail.is-static .article-progress-hud {
  display: none;
}

.article-progress-value {
  min-width: 2.4rem;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: right;
  color: var(--rail-active);
  text-shadow: 0 0 10px var(--rail-active-glow);
}

.article-progress-line {
  flex: 0 0 auto;
  width: 1.5rem;
  border-top: 2px solid var(--rail-active);
  box-shadow: 0 0 14px var(--rail-active-glow);
}

.terminal-head {
  min-height: 40px;
  border-bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.2rem 0 0.82rem;
  background: transparent;
}

.terminal-pill {
  font-family: var(--font-ui);
  font-size: 0.54rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 0.12rem 0.35rem;
}

.terminal-meta {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body {
  padding: 64px 160px 80px 160px;
  overflow-wrap: break-word;
}

.terminal-body > * {
  min-width: 0;
}

.terminal-body > *:first-child {
  margin-top: 0;
}

.terminal-body > *:last-child {
  margin-bottom: 0;
}

.terminal-body h1,
.terminal-body h2,
.terminal-body h3,
.terminal-body h4,
.terminal-body h6 {
  margin: 1.68em 0 0.52em;
  line-height: 1.14;
  color: var(--text);
  font-family: var(--font-ui);
  letter-spacing: 0.01em;
}

.terminal-body h1 {
  margin-top: 0;
  margin-bottom: 40px;
  font-size: 34px;
  font-weight: 600;
  text-transform: uppercase;
}

.terminal-body h1 + p:first-of-type,
.terminal-body h1 + .description {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-subtle);
  line-height: 1.5;
}

.terminal-body h2,
.terminal-body h3,
.terminal-body h4,
.terminal-body h6 {
  padding-left: 0;
  position: relative;
  scroll-margin-top: 108px;
}

.terminal-body h2 {
  font-size: 22px;
  font-weight: 500;
  text-transform: uppercase;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.terminal-body h1 + h2,
.terminal-body > *:first-child h2:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.terminal-body h3 {
  font-size: 18px;
  font-weight: 500;
}

.terminal-body h4 {
  font-size: 16px;
  font-weight: 500;
}

.terminal-body h6 {
  font-size: 1rem;
}

.terminal-body p,
.terminal-body ul,
.terminal-body ol,
.terminal-body blockquote,
.terminal-body pre,
.terminal-body table,
.terminal-body figure {
  margin: 0 0 1.3rem;
}

.terminal-body p,
.terminal-body li,
.terminal-body td {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-muted);
}

.terminal-body ul,
.terminal-body ol {
  padding-left: 1.3rem;
}

.terminal-body li {
  margin-bottom: 0.34rem;
}

.terminal-body strong {
  color: var(--text);
}

.terminal-body a {
  color: var(--text);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--accent) 78%, transparent);
  overflow-wrap: anywhere;
}

.terminal-body a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.terminal-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.terminal-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-elev-soft);
  padding: 0.52rem 0.76rem;
}

.terminal-body blockquote.hint {
  border-left-width: 4px;
}

.terminal-body blockquote.hint p:first-child strong {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.7rem;
}

.terminal-body figure {
  margin-left: 0;
  margin-right: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

.terminal-body figcaption {
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding: 0.52rem 0.7rem;
  background: var(--surface-soft);
}

.caption {
  font-size: 0.8125rem;
}

.terminal-body img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.terminal-body iframe,
.terminal-body video {
  display: block;
  width: 100%;
  max-width: 100%;
}

.terminal-body pre {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 0.82rem 0.9rem;
}

.terminal-body code,
.terminal-body pre {
  font-family: var(--font-ui);
  font-size: 0.86em;
}

.terminal-body :not(pre) > code {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev-soft) 75%, var(--surface));
  padding: 0.08rem 0.28rem;
}

.terminal-body table {
  width: 100%;
  max-width: 100%;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  background: var(--table-bg);
}

.terminal-body th,
.terminal-body td {
  border: 1px solid var(--line);
  padding: 0.54rem 0.66rem;
  text-align: left;
  vertical-align: top;
}

.terminal-body th {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: color-mix(in srgb, var(--surface-soft) 60%, var(--surface));
}

.terminal-body tbody tr:hover {
  background: var(--row-hover);
}

.sidebar-overlay {
  display: none;
  appearance: none;
  border: 0;
  padding: 0;
  margin: 0;
  background: var(--overlay);
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
.tree-link:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

@media (max-width: 1380px) {
  .terminal-body {
    padding: 48px 80px 64px 80px;
  }
}

@media (min-width: 1340px) {
  .document-pane.has-article-rail .article-rail:not([hidden]) {
    display: block;
  }

  .document-pane.has-article-rail .terminal-body {
    padding-right: calc(var(--article-rail-width) + 2.4rem);
  }
}

@media (min-width: 1340px) and (max-width: 1480px) {
  .document-pane.has-article-rail .terminal-body {
    padding-right: calc(var(--article-rail-width) + 1.8rem);
  }
}

@media (max-width: 1080px) {
  .mobile-header {
    display: flex;
  }

  .sidebar-toggle {
    display: inline-flex;
    flex: 0 0 auto;
  }

  .sidebar {
    inset: 0 auto 0 0;
    width: min(calc(100vw - 2rem), 22rem);
    border-bottom: 0;
    transform: translate3d(-100%, 0, 0);
    visibility: hidden;
    pointer-events: none;
    box-shadow: none;
  }

  .sidebar.is-open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
    box-shadow: 20px 0 48px color-mix(in srgb, var(--bg) 60%, transparent);
    transition-delay: 0s;
  }

  .document-pane {
    margin-left: 0;
  }

  .document-pane.has-article-rail .article-rail {
    display: none !important;
  }

  .sidebar-overlay:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 45;
  }

  .terminal-body {
    padding: 40px 48px 56px 48px;
  }
}

@media (max-width: 760px) {
  .mobile-header {
    padding: calc(0.72rem + env(safe-area-inset-top, 0px)) 1rem 0.72rem;
  }

  .mobile-brand-icon {
    width: 1.8rem;
    height: 1.8rem;
  }

  .mobile-brand-text {
    font-size: 0.68rem;
  }

  .sidebar {
    width: min(90vw, 21rem);
  }

  .sidebar-head {
    padding: calc(16px + env(safe-area-inset-top, 0px)) 16px 16px;
    gap: 16px;
  }

  .navigator-tree {
    padding: 8px 12px calc(24px + env(safe-area-inset-bottom, 0px)) 12px;
  }

  .sidebar-search-results {
    max-height: min(34dvh, 220px);
  }

  .terminal-body {
    padding: 24px 20px 36px 20px;
  }

  .terminal-body h1 {
    margin-bottom: 28px;
    font-size: 28px;
  }

  .terminal-body h1 + p:first-of-type,
  .terminal-body h1 + .description {
    font-size: 16px;
  }

  .terminal-body h2 {
    margin-top: 32px;
    padding-top: 32px;
    font-size: 20px;
  }

  .terminal-body h3 {
    font-size: 17px;
  }
}

@media (max-width: 480px) {
  .mobile-header {
    min-height: 68px;
    gap: 0.75rem;
    padding-inline: 0.85rem;
  }

  .sidebar-toggle {
    padding-inline: 0.75rem;
    font-size: 0.58rem;
  }

  .terminal-body {
    padding: 22px 16px 32px 16px;
  }

  .terminal-body p,
  .terminal-body li,
  .terminal-body td {
    font-size: 14px;
  }

  .terminal-body th,
  .terminal-body td {
    padding: 0.5rem 0.58rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}