@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --primary-900: #06583a;
  --primary-800: #0b714d;
  --primary-700: #118d62;
  --primary-600: #29ae87;
  --primary-500: #46e1b4;
  --primary-300: #b5ffe5;
  --primary-200: #d4f6e9;
  --primary-100: #e6f5ee;
  --neutral-900: #101211;
  --neutral-800: #2f3e43;
  --neutral-700: #55636b;
  --neutral-600: #7f8b96;
  --neutral-500: #939eab;
  --neutral-300: #dce3ea;
  --neutral-200: #edf1f4;
  --neutral-100: #f7f9fa;
  --white: #ffffff;
  --warning: #8a5b00;
  --warning-bg: #fff8e6;
  --danger: #b42318;
  --info-bg: #f2f8f5;
  --radius-card: 12px;
  --shadow-sm: 0 8px 24px rgba(16, 18, 17, 0.04);
  --header-height: 56px;
  --area-height: 46px;
  --sidebar-width: 276px;
  --toc-width: 220px;
  --topbar-bg: rgba(255,255,255,.96);
  --page-bg: #f8fafb;
  --code-bg: #11241e;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --primary-900: #46e1b4;
  --primary-800: #29ae87;
  --primary-700: #29ae87;
  --primary-600: #46e1b4;
  --primary-300: #205d49;
  --primary-200: #194838;
  --primary-100: #123329;
  --neutral-900: #f2f7f4;
  --neutral-800: #d8e2de;
  --neutral-700: #b4c2bd;
  --neutral-600: #91a29c;
  --neutral-500: #74857f;
  --neutral-300: #384842;
  --neutral-200: #293730;
  --neutral-100: #1a2420;
  --white: #101714;
  --warning: #f6c453;
  --warning-bg: #2b2413;
  --info-bg: #12281f;
  --topbar-bg: rgba(16,23,20,.94);
  --page-bg: #0d1411;
  --code-bg: #0b100e;
  --shadow-sm: 0 10px 30px rgba(0,0,0,.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--neutral-900);
  background: var(--page-bg);
  font-family: Geist, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 3px solid rgba(17,141,98,.3); outline-offset: 2px; }

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--neutral-200);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 216px;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  letter-spacing: 0;
}
.brand-mark { display:block; width:16px; height:20px; object-fit:contain; pointer-events:none; }
.brand-divider { width:1px; height:20px; margin:0 2px; background:var(--neutral-300); }
.brand-product { color:var(--neutral-800); font-size:14px; font-weight:500; line-height:1.5; white-space:nowrap; }
:root[data-theme="dark"] .brand-divider { background:var(--neutral-700); }
.area-bar { position:fixed; z-index:39; top:var(--header-height); right:0; left:0; height:var(--area-height); display:flex; align-items:stretch; gap:20px; padding:0 20px; background:var(--topbar-bg); border-bottom:1px solid var(--neutral-200); backdrop-filter:blur(12px); }
.doc-switch { display:flex; align-items:stretch; gap:6px; }
.doc-switch a { position:relative; display:flex; align-items:center; gap:7px; padding:0 12px; color:var(--neutral-600); font-size:14px; font-weight:500; text-decoration:none; }
.doc-switch a:hover { color:var(--neutral-900); }
.doc-switch a.active { color:var(--neutral-900); font-weight:500; }
.doc-switch a.active::after { content:""; position:absolute; right:12px; bottom:0; left:12px; height:2px; background:var(--primary-700); border-radius:2px 2px 0 0; }

.icon { display:block; flex:0 0 auto; }
.top-actions { display:flex; align-items:center; gap:10px; margin-left:auto; }
.icon-button { display:grid; place-items:center; width:38px; height:38px; padding:0; color:var(--neutral-700); background:transparent; border:1px solid transparent; border-radius:9px; cursor:pointer; }
.icon-button:hover { color:var(--neutral-900); background:var(--neutral-100); border-color:var(--neutral-200); }
.search-wrap { position: relative; }
.area-search { width:240px; margin-left:auto; align-self:center; }
.search-icon { position: absolute; left:10px; top:17px; transform:translateY(-50%); color:var(--neutral-600); pointer-events:none; }
.search {
  width: 100%;
  height: 34px;
  padding: 0 36px 0 33px;
  color: var(--neutral-900);
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-radius: 8px;
  font-size:13px;
  transition: all .15s ease;
}
.search:focus { background:var(--white); border-color:var(--primary-700); outline:none; box-shadow:0 0 0 3px rgba(17,141,98,.12); }
.keycap { position:absolute; right:8px; top:6px; padding:1px 5px; border:1px solid var(--neutral-300); border-radius:5px; color:var(--neutral-600); font-size:11px; background:var(--white); }
.top-link { display:flex; align-items:center; gap:7px; height:36px; padding:0 13px; color:#fff; background:var(--primary-700); border:1px solid var(--primary-700); border-radius:8px; font-size:13px; font-weight:600; text-decoration:none; box-shadow:0 1px 2px rgba(16,18,17,.08); }
.top-link:hover { color:#fff; background:var(--primary-800); border-color:var(--primary-800); }
.shell { display:grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); padding-top:calc(var(--header-height) + var(--area-height)); min-height:100vh; }
.sidebar {
  position: fixed;
  top: calc(var(--header-height) + var(--area-height));
  bottom: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  padding: 24px 14px 32px 20px;
  border-right: 1px solid var(--neutral-200);
  background: var(--white);
  scrollbar-width:none !important;
}
.sidebar.scroll-active { scrollbar-width:thin !important; scrollbar-color:var(--neutral-300) transparent; }
.sidebar::-webkit-scrollbar { display:none; width:0; }
.sidebar.scroll-active::-webkit-scrollbar { display:block; width:7px; }
.sidebar::-webkit-scrollbar-thumb { background:var(--neutral-300); border-radius:999px; }
.nav-area[hidden] { display:none; }
.nav-area-label { display:flex; align-items:center; gap:8px; margin:0 9px 8px; color:var(--neutral-700); font-size:14px; font-weight:650; letter-spacing:-.01em; }
.nav-area-label .icon { color:var(--neutral-600); }
.nav-group { margin:0 0 20px; }
.nav-link {
  display:flex;
  align-items:center;
  min-height:36px;
  padding:8px 10px;
  color:var(--neutral-700);
  border:0;
  border-radius:7px;
  font-size:14px;
  line-height:1.4;
  text-decoration:none;
  transition:all .15s ease;
}
.nav-link:hover { color:var(--neutral-900); background:var(--neutral-100); }
.nav-link.active { color:var(--primary-800); background:var(--primary-100); font-weight:600; box-shadow:inset 2px 0 0 var(--primary-700); }
.nav-foot { display:grid; gap:7px; margin:28px 8px 0; padding-top:14px; border-top:1px solid var(--neutral-200); color:var(--neutral-500); font-size:11px; line-height:1.6; }
.nav-foot a { display:flex; align-items:center; gap:5px; width:max-content; color:var(--neutral-700); text-decoration:none; }
.nav-foot a:hover { color:var(--primary-800); }

.main { grid-column:2; min-width:0; }

.content-grid { display:grid; grid-template-columns:minmax(0, 760px) var(--toc-width); gap:64px; max-width:1100px; margin:0 auto; padding:48px 40px 96px; }
.article { min-width:0; }
.page-kicker { display:flex; align-items:center; gap:10px; margin-bottom:14px; color:var(--primary-700); font-size:11px; font-weight:650; letter-spacing:.1em; text-transform:uppercase; }
.page-kicker::before { content:""; width:32px; height:3px; border-radius:999px; background:var(--primary-700); }
.article-header { position:relative; display:flex; align-items:flex-start; justify-content:space-between; gap:24px; }
.article-heading { min-width:0; }
.page-actions { position:relative; display:flex; flex:0 0 auto; margin-top:22px; }
.page-copy-button, .page-menu-button { display:flex; align-items:center; justify-content:center; height:36px; color:var(--neutral-700); background:var(--white); border:1px solid var(--neutral-300); cursor:pointer; }
.page-copy-button { gap:7px; padding:0 11px; border-radius:8px 0 0 8px; font-size:12px; font-weight:600; }
.page-menu-button { width:34px; margin-left:-1px; border-radius:0 8px 8px 0; }
.page-copy-button:hover, .page-menu-button:hover { color:var(--primary-800); background:var(--primary-100); border-color:var(--primary-200); }
.page-menu { position:absolute; z-index:20; top:43px; right:0; width:286px; padding:7px; background:var(--white); border:1px solid var(--neutral-300); border-radius:12px; box-shadow:0 18px 50px rgba(16,18,17,.18); }
.page-menu[hidden] { display:none; }
.page-menu button { display:flex; align-items:center; width:100%; gap:11px; padding:10px; color:var(--neutral-700); background:transparent; border:0; border-radius:8px; cursor:pointer; text-align:left; }
.page-menu button:hover { color:var(--neutral-900); background:var(--neutral-100); }
.page-menu button > svg { color:var(--neutral-600); }
.page-menu button span { display:grid; gap:2px; }
.page-menu button strong { font-size:13px; font-weight:600; }
.page-menu button small { color:var(--neutral-600); font-size:11px; }
h1 { margin:0 0 16px; font-size:40px; font-weight:600; line-height:1.2; letter-spacing:-.035em; }
.lead { max-width:680px; margin:0 0 24px; color:var(--neutral-700); font-size:17px; line-height:1.65; }
.page-meta { display:flex; flex-wrap:wrap; gap:8px 20px; margin-bottom:36px; padding-bottom:22px; border-bottom:1px solid var(--neutral-300); color:var(--neutral-600); font-size:12px; }
.page-meta span { display:flex; align-items:center; gap:7px; }

h2 { scroll-margin-top:122px; margin:46px 0 14px; font-size:25px; font-weight:600; line-height:1.3; letter-spacing:-.025em; }
h3 { scroll-margin-top:122px; margin:30px 0 10px; font-size:18px; font-weight:600; line-height:1.4; }
p, li { color:var(--neutral-800); font-size:15px; line-height:1.7; }
p { margin:0 0 18px; }
ul, ol { margin:0 0 22px; padding-left:24px; }
li + li { margin-top:7px; }
strong { color:var(--neutral-900); }
code { font-family:"JetBrains Mono", "SFMono-Regular", Consolas, monospace; font-size:.9em; }
p code, li code, td code { padding:2px 5px; color:var(--primary-900); background:var(--primary-100); border-radius:5px; overflow-wrap:anywhere; }

.code-block { position:relative; margin:20px 0 28px; overflow:hidden; border:1px solid #243d36; border-radius:var(--radius-card); background:var(--code-bg); box-shadow:var(--shadow-sm); }
.code-title { display:flex; align-items:center; justify-content:space-between; padding:10px 14px; color:#b9cec7; border-bottom:1px solid rgba(255,255,255,.1); font-size:12px; }
.copy-button { padding:5px 9px; color:#d8efe7; background:transparent; border:1px solid rgba(255,255,255,.18); border-radius:6px; cursor:pointer; }
.copy-button:hover { background:rgba(255,255,255,.08); }
pre { margin:0; padding:18px; overflow:auto; color:#effcf7; line-height:1.65; }
pre code { font-size:13px; }

.callout { margin:24px 0; padding:17px 18px 17px 20px; border:1px solid var(--primary-200); border-left:4px solid var(--primary-700); border-radius:10px; background:var(--info-bg); }
.callout.warning { border-color:#f2d792; border-left-color:#d99a00; background:var(--warning-bg); }
.callout-title { display:flex; align-items:center; gap:8px; margin-bottom:5px; color:var(--neutral-900); font-size:14px; font-weight:700; }
.callout p { margin:0; color:var(--neutral-700); font-size:14px; }

.steps { position:relative; display:grid; gap:0; margin:24px 0 38px; counter-reset:step; }
.steps::before { content:""; position:absolute; top:16px; bottom:20px; left:15px; width:1px; background:var(--neutral-300); }
.step { position:relative; min-height:76px; padding:0 0 26px 50px; border:0; border-radius:0; background:transparent; box-shadow:none; }
.step:last-child { padding-bottom:0; }
.step::before { counter-increment:step; content:counter(step); position:absolute; z-index:1; top:0; left:0; display:grid; place-items:center; width:31px; height:31px; color:var(--primary-800); background:var(--white); border:1px solid var(--primary-300); border-radius:999px; font-size:13px; font-weight:700; }
.step-label { display:block; margin-bottom:5px; color:var(--primary-700); font-size:11px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.step h3 { margin:0 0 6px; padding-top:3px; font-size:17px; }
.step p { margin:0; color:var(--neutral-700); font-size:14px; }
.recommendation { margin:18px 0 12px; padding:14px 16px; background:var(--primary-100); border-radius:9px; font-size:14px; }
.source-table td:first-child { min-width:145px; }

.approved-flow { margin:24px 0 18px; }
.approved-flow-title { margin:0 0 24px; color:var(--neutral-900); font-size:21px; font-weight:650; letter-spacing:-.015em; }
.approved-flow ol { position:relative; display:grid; gap:0; margin:0; padding:0; list-style:none; }
.approved-flow ol::before { content:""; position:absolute; top:20px; bottom:28px; left:19px; width:1px; background:var(--neutral-300); }
.approved-flow li { position:relative; min-height:112px; padding:0 0 28px 62px; }
.approved-flow-number { position:absolute; z-index:1; top:0; left:0; display:grid; place-items:center; width:40px; height:40px; color:var(--primary-800); background:var(--page-bg); border:1px solid var(--primary-300); border-radius:999px; font-size:14px; font-weight:700; }
.approved-flow li:last-child { min-height:40px; padding-bottom:0; }
.approved-flow-content { padding-top:1px; }
.approved-flow-label { display:block; margin-bottom:6px; color:var(--primary-700); font-size:11px; font-weight:700; letter-spacing:.09em; text-transform:uppercase; }
.approved-flow strong { display:block; margin-bottom:7px; color:var(--neutral-900); font-size:17px; line-height:1.35; }
.approved-flow p { margin:0; color:var(--neutral-700); font-size:14px; line-height:1.65; }

.method-tabs { margin:22px 0 34px; }
.method-tablist { display:flex; gap:8px; padding:0; border:0; border-bottom:1px solid var(--neutral-300); border-radius:0; background:transparent; }
.method-tab { position:relative; flex:1; min-height:44px; padding:9px 14px; color:var(--neutral-700); background:transparent; border:0; border-radius:0; font-size:14px; font-weight:600; cursor:pointer; }
.method-tab:hover { color:var(--neutral-900); }
.method-tab[aria-selected="true"] { color:var(--primary-800); background:transparent; box-shadow:none; }
.method-tab[aria-selected="true"]::after { content:""; position:absolute; right:10px; bottom:-1px; left:10px; height:2px; background:var(--primary-700); border-radius:2px 2px 0 0; }
.method-panel { padding:22px 2px 0; }
.method-panel[hidden] { display:none; }
.method-panel > :first-child { margin-top:0; }
.method-panel > :last-child { margin-bottom:0; }
.check-list { list-style:none; padding:0; }
.check-list li { position:relative; padding-left:28px; }
.check-list li::before { content:"✓"; position:absolute; left:0; top:2px; display:grid; place-items:center; width:18px; height:18px; color:white; background:var(--primary-700); border-radius:999px; font-size:11px; font-weight:700; }

.card-grid { display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px; margin:22px 0 30px; }
.card { padding:18px; border:1px solid var(--neutral-300); border-radius:var(--radius-card); background:var(--white); box-shadow:var(--shadow-sm); }
.card-icon { display:grid; place-items:center; width:34px; height:34px; margin-bottom:14px; color:var(--primary-800); background:var(--primary-100); border-radius:9px; font-weight:800; }
.card h3 { margin:0 0 7px; font-size:16px; }
.card p { margin:0; color:var(--neutral-700); font-size:14px; line-height:1.6; }

.table-wrap { margin:22px 0 30px; overflow-x:auto; border:1px solid var(--neutral-300); border-radius:var(--radius-card); }
table { width:100%; border-collapse:collapse; font-size:14px; }
th { padding:12px 14px; color:var(--neutral-700); background:var(--neutral-100); font-size:12px; letter-spacing:.04em; text-align:left; text-transform:uppercase; }
td { padding:13px 14px; color:var(--neutral-800); border-top:1px solid var(--neutral-200); vertical-align:top; line-height:1.55; }

.toc { position:sticky; top:142px; align-self:start; max-height:calc(100vh - 164px); overflow:auto; }
.toc-title { margin-bottom:12px; color:var(--neutral-500); font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }
.toc a { display:block; margin:0 0 10px; color:var(--neutral-600); font-size:13px; line-height:1.35; text-decoration:none; }
.toc a:hover { color:var(--primary-700); }
.toc a[aria-current="location"] { color:var(--primary-800); font-weight:650; }
.toc a[aria-current="location"]::before { content:""; display:inline-block; width:2px; height:13px; margin:0 8px -2px 0; background:var(--primary-700); border-radius:2px; }

.pager { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:56px; padding-top:28px; border-top:1px solid var(--neutral-200); }
.pager a { padding:16px; border:1px solid var(--neutral-300); border-radius:10px; text-decoration:none; }
.pager a:last-child { text-align:right; }
.pager small { display:block; margin-bottom:3px; color:var(--neutral-500); }
.pager strong { display:flex; align-items:center; gap:6px; color:var(--primary-800); font-size:14px; }
.pager a:last-child strong { justify-content:flex-end; }

.search-results { position:absolute; z-index:10; top:38px; right:0; display:none; width:min(340px, calc(100vw - 24px)); max-height:420px; overflow:auto; padding:8px; background:var(--white); border:1px solid var(--neutral-300); border-radius:12px; box-shadow:0 20px 50px rgba(16,18,17,.18); }
.search-results.open { display:block; }
.search-result { display:block; padding:11px 12px; border-radius:8px; text-decoration:none; }
.search-result:hover, .search-result.selected { background:var(--primary-100); }
.search-result strong { display:block; margin-bottom:3px; font-size:14px; }
.search-result span { display:block; overflow:hidden; color:var(--neutral-600); font-size:12px; text-overflow:ellipsis; white-space:nowrap; }
.empty-result { padding:18px; color:var(--neutral-600); font-size:14px; text-align:center; }

@media (max-width: 1080px) {
  .content-grid { grid-template-columns:minmax(0, 760px); max-width:840px; }
  .toc { display:none; }
}

@media (max-width: 760px) {
  .topbar { padding:0 14px; gap:10px; }
  .brand { min-width:0; }
  .top-link { display:none; }
  .shell { display:block; }
  .main { grid-column:1; }
  .area-bar { gap:8px; padding:0 10px; }
  .doc-switch { flex:1; min-width:0; width:auto; }
  .doc-switch a { flex:1; justify-content:center; padding:0 6px; font-size:13px; }
  .area-search { flex:0 0 140px; width:140px; }
  .area-search .keycap { display:none; }
  .area-search .search { padding-right:10px; }
  .sidebar { position:relative; top:auto; bottom:auto; display:block; width:100%; max-height:230px; overflow:auto; padding:18px 14px 12px; border-right:0; border-bottom:1px solid var(--neutral-200); box-shadow:none; }
  .nav-area:not([hidden]) { display:flex; align-items:flex-start; gap:12px; width:max-content; }
  .nav-group { width:190px; margin-bottom:0; }
  .nav-foot { display:none; }
  .content-grid { padding:36px 22px 72px; }
  h1 { font-size:34px; }
  .article-header { display:block; }
  .page-actions { margin:0 0 20px; }
  .lead { font-size:17px; }
  .card-grid { grid-template-columns:1fr; }
  .approved-flow-title { font-size:20px; }
  .approved-flow li { padding-left:56px; }
  .pager { grid-template-columns:1fr; }
  .pager a:last-child { text-align:left; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior:auto !important; transition:none !important; }
}