/* Agent Lab docs (/docs). Three columns like Cloudflare's docs: product tree, article, "On this
   page". Brand colors and fonts come from /css/colors_and_type.css; dark mode follows the system. */
:root {
  --d-bg: #ffffff;
  --d-surface: var(--cl-bg-tint, #f8f9fc);
  --d-sunken: #f1f4fb;
  --d-text: var(--cl-fg-1, #222a36);
  --d-text-2: var(--cl-fg-2, #4d5977);
  --d-text-3: var(--cl-fg-3, #6b7280);
  --d-line: #e3e8f0;
  --d-accent: var(--cl-blue-deepest, #1f49a3);
  --d-accent-soft: var(--cl-blue-bg, #e2efff);
  --d-brand: var(--cl-blue, #5090ff);
  --d-code: #f4f6fb;
  --d-note: #1f49a3;
  --d-note-bg: #eef4ff;
  --d-tip: #13552f;
  --d-tip-bg: #e9f6ee;
  --d-warn: #634000;
  --d-warn-bg: #fff6e0;
  --d-font: var(--cl-font-sans, system-ui, sans-serif);
  --d-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --d-top: 60px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --d-bg: #101828;
    --d-surface: #141e31;
    --d-sunken: #1a2438;
    --d-text: #f7f9fc;
    --d-text-2: #c5cee0;
    --d-text-3: #9aa6bd;
    --d-line: #2a3650;
    --d-accent: #80bbff;
    --d-accent-soft: #1d2e4f;
    --d-code: #141e31;
    --d-note: #80bbff;
    --d-note-bg: #17284a;
    --d-tip: #73d59a;
    --d-tip-bg: #12301f;
    --d-warn: #ffcb6b;
    --d-warn-bg: #33280f;
  }
  .topbar__brand img {
    filter: brightness(0) invert(1);
  }
}
html[lang="ja"] {
  --d-font: "tt-commons-pro", "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;
}
html[lang="th"] {
  --d-font: "tt-commons-pro", "Noto Sans Thai", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: calc(var(--d-top) + 16px);
}
body {
  margin: 0;
  background: var(--d-bg);
  color: var(--d-text);
  font: 16px/1.7 var(--d-font);
  -webkit-font-smoothing: antialiased;
}
html[lang="th"] body {
  line-height: 1.85;
}
a {
  color: var(--d-accent);
  text-underline-offset: 3px;
}
:focus-visible {
  outline: 2px solid var(--d-brand);
  outline-offset: 2px;
  border-radius: 6px;
}
button {
  font: inherit;
  color: inherit;
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--d-bg);
  padding: 8px 12px;
}
.skip:focus {
  left: 8px;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: calc(var(--d-top) + env(safe-area-inset-top, 0px));
  padding: env(safe-area-inset-top, 0px) 20px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--d-bg);
  border-bottom: 1px solid var(--d-line);
}
.topbar__brand {
  display: flex;
}
.topbar__brand img {
  height: 24px;
  width: auto;
}
.topbar__docs {
  color: var(--d-text);
  text-decoration: none;
  font-weight: 600;
  padding-left: 14px;
  border-left: 1px solid var(--d-line);
  white-space: nowrap;
}
.topbar__search {
  margin-left: 12px;
  flex: 1;
  max-width: 400px;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--d-line);
  border-radius: 10px;
  background: var(--d-surface);
  color: var(--d-text-3);
  cursor: pointer;
  text-align: left;
}
.topbar__search span {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
kbd {
  font: 11px var(--d-mono);
  border: 1px solid var(--d-line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0 6px;
  background: var(--d-bg);
}
.topbar__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar__cta {
  height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--d-brand);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}
.topbar__menu {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--d-line);
  border-radius: 10px;
  background: none;
  cursor: pointer;
}
.topbar__menu span,
.topbar__menu span::before,
.topbar__menu span::after {
  display: block;
  width: 16px;
  height: 1.6px;
  margin: auto;
  background: currentColor;
  position: relative;
}
.topbar__menu span::before,
.topbar__menu span::after {
  content: "";
  position: absolute;
  left: 0;
}
.topbar__menu span::before {
  top: -5px;
}
.topbar__menu span::after {
  top: 5px;
}

.lang {
  position: relative;
}
.lang summary {
  list-style: none;
  cursor: pointer;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid var(--d-line);
  border-radius: 10px;
  font-size: 14px;
  white-space: nowrap;
}
.lang summary::-webkit-details-marker {
  display: none;
}
.lang summary::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}
.lang ul {
  position: absolute;
  right: 0;
  top: 44px;
  margin: 0;
  padding: 6px;
  list-style: none;
  min-width: 150px;
  background: var(--d-bg);
  border: 1px solid var(--d-line);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgb(16 24 40 / 0.12);
}
.lang a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--d-text);
  text-decoration: none;
  font-size: 14px;
}
.lang a:hover {
  background: var(--d-sunken);
}
.lang a[aria-current] {
  color: var(--d-accent);
  font-weight: 600;
}

/* Shell */
.shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr) 232px;
  max-width: 1440px;
  margin: 0 auto;
}
.sidebar,
.toc {
  position: sticky;
  top: calc(var(--d-top) + env(safe-area-inset-top, 0px));
  align-self: start;
  max-height: calc(100vh - var(--d-top));
  overflow-y: auto;
}
.sidebar {
  padding: 24px 12px 40px 20px;
  border-right: 1px solid var(--d-line);
  font-size: 14px;
}
.sidebar__product {
  margin: 0 0 8px;
  padding: 0 10px;
  font-size: 17px;
  font-weight: 700;
}
.sidebar__group {
  margin: 22px 0 4px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--d-text-3);
}
html[lang="en"] .sidebar__group {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.sidebar__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sidebar__list a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--d-text-2);
  text-decoration: none;
  line-height: 1.45;
}
.sidebar__list a:hover {
  background: var(--d-sunken);
  color: var(--d-text);
}
.sidebar__list a[aria-current="page"] {
  background: var(--d-accent-soft);
  color: var(--d-accent);
  font-weight: 600;
}
.sidebar__ai {
  margin: 28px 10px 0;
  padding-top: 16px;
  border-top: 1px solid var(--d-line);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 13px;
}
.sidebar__ai p {
  width: 100%;
  margin: 0;
  color: var(--d-text-3);
  font-weight: 600;
}
.sidebar__ai a {
  font-family: var(--d-mono);
  font-size: 12px;
}

.content {
  min-width: 0;
  padding: 28px 48px 80px;
}
article {
  max-width: 760px;
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--d-text-3);
}
.crumbs a {
  color: var(--d-text-3);
  text-decoration: none;
}
.crumbs a:hover {
  color: var(--d-accent);
}
h1 {
  margin: 12px 0 8px;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.lead {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--d-text-2);
}
.meta {
  font-size: 13px;
  color: var(--d-text-3);
}
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 8px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--d-line);
}
.page-actions__btn {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--d-line);
  border-radius: 8px;
  background: var(--d-bg);
  color: var(--d-text-2);
  font-size: 13px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.page-actions__btn:hover {
  border-color: var(--d-accent);
  color: var(--d-accent);
}

article h2 {
  margin: 44px 0 10px;
  font-size: 24px;
  line-height: 1.35;
  text-wrap: balance;
}
article h3 {
  margin: 28px 0 8px;
  font-size: 18px;
}
article h2 .anchor {
  margin-left: 8px;
  color: var(--d-text-3);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
}
article h2:hover .anchor,
article h2 .anchor:focus {
  opacity: 1;
}
article p,
article li {
  max-width: 70ch;
}
article ul,
article ol {
  padding-left: 24px;
}
article li + li {
  margin-top: 4px;
}
code {
  font: 0.875em var(--d-mono);
  background: var(--d-code);
  border: 1px solid var(--d-line);
  border-radius: 6px;
  padding: 1px 5px;
  overflow-wrap: anywhere;
}

.code {
  margin: 16px 0;
  border: 1px solid var(--d-line);
  border-radius: 12px;
  background: var(--d-code);
  overflow: hidden;
}
.code__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px 6px 14px;
  border-bottom: 1px solid var(--d-line);
  font: 12px var(--d-mono);
  color: var(--d-text-3);
}
.code__copy {
  border: 1px solid var(--d-line);
  background: var(--d-bg);
  border-radius: 6px;
  padding: 2px 10px;
  font: 12px var(--d-font);
  cursor: pointer;
}
.code pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font: 13.5px/1.6 var(--d-mono);
}
.code pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  overflow-wrap: normal;
}

.alert {
  margin: 20px 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--d-note-bg);
  border-left: 3px solid var(--d-note);
}
.alert > :last-child {
  margin-bottom: 0;
}
.alert p {
  margin: 4px 0 0;
}
.alert .alert__title {
  margin: 0;
  font-weight: 700;
  color: var(--d-note);
}
.alert--tip {
  background: var(--d-tip-bg);
  border-left-color: var(--d-tip);
}
.alert--tip .alert__title {
  color: var(--d-tip);
}
.alert--warning {
  background: var(--d-warn-bg);
  border-left-color: var(--d-warn);
}
.alert--warning .alert__title {
  color: var(--d-warn);
}

.steps > ol {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 20px 0;
}
.steps > ol > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 20px 46px;
  max-width: none;
}
.steps > ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--d-accent-soft);
  color: var(--d-accent);
  font-weight: 700;
  font-size: 14px;
  display: grid;
  place-items: center;
  font-variant-numeric: tabular-nums;
}
.steps > ol > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 14.5px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--d-line);
}
.steps > ol > li > strong:first-child {
  display: block;
}

.tabs {
  margin: 18px 0;
  border: 1px solid var(--d-line);
  border-radius: 12px;
}
.tabs__list {
  display: flex;
  gap: 2px;
  padding: 0 8px;
  border-bottom: 1px solid var(--d-line);
  overflow-x: auto;
}
.tabs__list button {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 10px 12px;
  color: var(--d-text-3);
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.tabs__list button[aria-selected="true"] {
  color: var(--d-accent);
  border-bottom-color: var(--d-accent);
  font-weight: 600;
}
.tabs__panel {
  padding: 4px 16px 8px;
}
.tabs__panel[hidden] {
  display: none;
}

.table {
  margin: 18px 0;
  overflow-x: auto;
  border: 1px solid var(--d-line);
  border-radius: 12px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
th,
td {
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--d-line);
}
th {
  background: var(--d-surface);
  font-weight: 600;
  white-space: nowrap;
}
tr:last-child td {
  border-bottom: 0;
}
td code {
  white-space: nowrap;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--d-line);
  border-radius: 12px;
  color: var(--d-text);
  text-decoration: none;
}
.card:hover {
  border-color: var(--d-accent);
}
.card strong {
  color: var(--d-accent);
}
.card span {
  font-size: 14px;
  color: var(--d-text-2);
}

.pager {
  max-width: 760px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 48px;
}
.pager a {
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  border: 1px solid var(--d-line);
  border-radius: 12px;
  color: var(--d-text);
  text-decoration: none;
}
.pager a:hover {
  border-color: var(--d-accent);
}
.pager small {
  color: var(--d-text-3);
}
.pager__next {
  grid-column: 2;
  text-align: right;
}

.toc {
  padding: 32px 20px 40px 8px;
  font-size: 13px;
}
.toc__title {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--d-text-3);
}
.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--d-line);
}
.toc a {
  display: block;
  margin-left: -1px;
  padding: 4px 0 4px 12px;
  border-left: 2px solid transparent;
  color: var(--d-text-3);
  text-decoration: none;
  line-height: 1.45;
}
.toc a[aria-current="true"] {
  color: var(--d-accent);
  border-left-color: var(--d-accent);
  font-weight: 600;
}

/* Search */
.search {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12vh 16px 16px;
  background: rgb(16 24 40 / 0.45);
}
.search[hidden] {
  display: none;
}
.search__box {
  width: 100%;
  max-width: 640px;
  background: var(--d-bg);
  border: 1px solid var(--d-line);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgb(0 0 0 / 0.25);
  overflow: hidden;
}
.search__box input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--d-line);
  background: none;
  padding: 16px 18px;
  font: inherit;
  font-size: 17px;
  color: var(--d-text);
  outline: none;
}
.search__results {
  max-height: 60vh;
  overflow-y: auto;
  padding: 6px;
}
.search__results a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--d-text);
  text-decoration: none;
}
.search__results a[aria-selected="true"],
.search__results a:hover {
  background: var(--d-accent-soft);
}
.search__results small {
  display: block;
  color: var(--d-text-3);
  font-size: 12px;
}
.search__results span {
  display: block;
  color: var(--d-text-2);
  font-size: 13px;
}
.search__results mark {
  background: rgb(80 144 255 / 0.3);
  color: inherit;
  border-radius: 3px;
}
.search__empty {
  padding: 18px;
  color: var(--d-text-3);
}

@media (max-width: 1180px) {
  .shell {
    grid-template-columns: 252px minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
}
@media (max-width: 860px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar {
    position: fixed;
    z-index: 40;
    left: 0;
    top: calc(var(--d-top) + env(safe-area-inset-top, 0px));
    bottom: 0;
    max-height: none;
    width: min(320px, 88vw);
    background: var(--d-bg);
    transform: translateX(-102%);
    visibility: hidden;
    transition:
      transform 0.2s,
      visibility 0.2s;
  }
  body.nav-open .sidebar {
    transform: none;
    visibility: visible;
    box-shadow: 0 10px 30px rgb(0 0 0 / 0.2);
  }
  .topbar__menu {
    display: block;
  }
  .topbar__docs,
  .topbar__cta {
    display: none;
  }
  .topbar {
    gap: 8px;
    padding-inline: 12px;
  }
  .topbar__search {
    margin-left: 0;
  }
  .topbar__search kbd {
    display: none;
  }
  .content {
    padding: 20px 16px 64px;
  }
  h1 {
    font-size: 28px;
  }
  .pager {
    grid-template-columns: 1fr;
  }
  .pager__next {
    grid-column: 1;
  }
}
@media (max-width: 420px) {
  .topbar__brand img {
    height: 20px;
  }
  .topbar__search span {
    display: none;
  }
  .topbar__search {
    flex: 0 0 38px;
    justify-content: center;
    padding: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}