:root {
  --bg: #fbfaf7;
  --panel: #ffffff;
  --ink: #17201e;
  --soft: #55615e;
  --line: #e2dfd6;
  --accent: #0c6b5d;
  --accent-ink: #ffffff;
  --tint: #e9f3f0;
  --code-bg: #f3f1ea;
  --code-ink: #1d2a27;
  --comment: #6c7a76;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1514;
    --panel: #151d1b;
    --ink: #e6ece9;
    --soft: #9aa8a4;
    --line: #26322f;
    --accent: #58cdb6;
    --accent-ink: #06211c;
    --tint: #14302a;
    --code-bg: #18211f;
    --code-ink: #dbe5e1;
    --comment: #7f908b;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; }
code, pre { font-family: var(--mono); font-size: 0.875em; }
code { background: var(--code-bg); color: var(--code-ink); padding: 0.12em 0.36em; border-radius: 4px; overflow-wrap: anywhere; }
pre { margin: 1.2em 0; }
pre.hl { background: var(--code-bg); color: var(--code-ink); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; line-height: 1.55; }
pre.hl code { background: none; padding: 0; font-size: 1em; overflow-wrap: normal; }
pre .c { color: var(--comment); }

/* Top bar */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { max-width: 1320px; margin: 0 auto; padding: 0 24px; height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 650; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; font-size: 17px; }
.top nav { display: flex; gap: 22px; font-size: 15px; }
.top nav a { color: var(--soft); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--ink); }
.only-small { display: none; }

/* Landing */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.landing section { padding: 56px 24px; }
.landing section + section { border-top: 1px solid var(--line); }
.landing h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0.4em 0 0.45em; max-width: 17ch; text-wrap: balance; }
.landing h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.7em; text-wrap: balance; }
.landing h3 { font-size: 1.05rem; margin: 0 0 0.4em; }
.hero { padding-top: 72px !important; }
.lead { font-size: 1.2rem; color: var(--soft); max-width: 62ch; margin: 0 0 1.6em; }
.pill { display: inline-block; font-size: 13px; padding: 4px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--soft); background: var(--panel); margin: 0; }
.kicker { font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 0.6em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 40px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
.button:hover { border-color: var(--accent); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button.primary:hover { filter: brightness(1.08); }
.diagram { display: block; width: 100%; height: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.diagram .box rect { fill: var(--bg); stroke: var(--line); stroke-width: 1.5; }
.diagram .box .own { fill: var(--tint); stroke: var(--accent); }
.diagram .wire path { fill: none; stroke: var(--soft); stroke-width: 1.5; marker-end: url(#arrow); }
.diagram .head { fill: var(--soft); }
.diagram text { font-family: var(--sans); text-anchor: middle; }
.diagram .name text { fill: var(--ink); font-size: 16px; font-weight: 650; }
.diagram .sub text { fill: var(--soft); font-size: 12.5px; }
.diagram .tag text { fill: var(--soft); font-size: 12.5px; font-family: var(--mono); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.grid article { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; display: flex; flex-direction: column; }
.grid article p { margin: 0 0 1em; color: var(--soft); font-size: 15px; flex: 1; }
.grid article a { font-size: 14.5px; font-weight: 600; text-decoration: none; }
.grid article a::after, .more::after { content: " →"; }
.more { font-weight: 600; text-decoration: none; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.split.even { align-items: start; }
.split p, .split li { color: var(--soft); }
.split figure { margin: 0; }
.split figure img { display: block; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 12px 40px -18px rgb(0 0 0 / 0.35); }
figcaption { font-size: 13.5px; color: var(--soft); margin-top: 10px; }
.checks { list-style: none; padding: 0; margin: 1em 0; }
.checks li { position: relative; padding-left: 28px; margin: 0.55em 0; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
.sample { margin: 0; font-size: 13.5px; }

.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.figures div { border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; }
.figures strong { display: block; font-size: 2rem; letter-spacing: -0.02em; line-height: 1.2; font-variant-numeric: tabular-nums; }
.figures span { color: var(--soft); font-size: 14.5px; }
.note { color: var(--soft); font-size: 14.5px; max-width: 78ch; margin: 1.6em 0 0; }
.license p { max-width: 78ch; color: var(--soft); }
footer { border-top: 1px solid var(--line); padding: 32px 24px 56px !important; color: var(--soft); font-size: 14.5px; }
footer p { margin: 0.4em 0; }
.quiet { opacity: 0.8; }
.notfound { padding: 96px 24px; }

/* Documentation */
.frame { max-width: 1320px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 232px minmax(0, 1fr) 216px; gap: 40px; align-items: start; }
.side, .toc { position: sticky; top: 56px; max-height: calc(100vh - 56px); overflow-y: auto; scrollbar-width: thin; padding: 28px 0 40px; font-size: 14.5px; }
.side ul, .toc ul { list-style: none; margin: 0 0 1.2em; padding: 0; }
.side a, .toc a { display: block; padding: 4px 10px; border-radius: 6px; color: var(--soft); text-decoration: none; line-height: 1.4; }
.side a:hover, .toc a:hover { color: var(--ink); }
.side a[aria-current] { background: var(--tint); color: var(--accent); font-weight: 600; }
.group { font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink); font-weight: 650; margin: 0 0 6px; padding: 0 10px; }
.toc { font-size: 13.5px; }
.toc .l3 a { padding-left: 22px; }

.prose { padding: 36px 0 72px; min-width: 0; max-width: 800px; }
.prose h1 { font-size: 2.1rem; line-height: 1.15; letter-spacing: -0.025em; margin: 0 0 0.7em; }
.prose h2 { font-size: 1.45rem; line-height: 1.25; letter-spacing: -0.015em; margin: 2.2em 0 0.6em; padding-top: 0.9em; border-top: 1px solid var(--line); }
.prose h3 { font-size: 1.15rem; margin: 1.9em 0 0.5em; }
.prose h4 { font-size: 1rem; margin: 1.6em 0 0.4em; }
.prose .anchor { color: inherit; text-decoration: none; }
.prose .anchor:hover::after { content: " #"; color: var(--soft); font-weight: 400; }
.prose p, .prose li { overflow-wrap: break-word; }
.prose li { margin: 0.3em 0; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose blockquote { margin: 1.2em 0; padding: 2px 18px; border-left: 3px solid var(--accent); background: var(--tint); border-radius: 0 8px 8px 0; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.table-wrap { overflow-x: auto; margin: 1.2em 0; border: 1px solid var(--line); border-radius: 8px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 9px 13px; border-bottom: 1px solid var(--line); }
.prose th { background: var(--code-bg); font-weight: 650; white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }
.prose td code { overflow-wrap: normal; white-space: nowrap; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.pager a { border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; text-decoration: none; font-weight: 600; background: var(--panel); }
.pager a:hover { border-color: var(--accent); }
.pager a span { display: block; font-size: 12.5px; font-weight: 400; color: var(--soft); }
.pager .next { text-align: right; }
.source { font-size: 13.5px; margin-top: 28px; }
.source a { color: var(--soft); }

@media (max-width: 1100px) {
  .frame { grid-template-columns: 220px minmax(0, 1fr); }
  .toc { display: none; }
}

@media (max-width: 800px) {
  .bar, .wrap, .frame { padding-left: 16px; padding-right: 16px; }
  .landing section { padding: 40px 16px; }
  .hero { padding-top: 44px !important; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .frame { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .side { order: 2; }
  .only-small { display: inline; }
  .top nav { gap: 16px; }
  .side { position: static; max-height: none; border-top: 1px solid var(--line); padding-top: 28px; }
  .prose { padding-top: 24px; padding-bottom: 40px; }
  .prose h1 { font-size: 1.75rem; }
  .diagram { padding: 6px; }
}

.hl .c { color: #3D7B7B; font-style: italic } /* Comment */
.hl .err { border: 1px solid #F00 } /* Error */
.hl .k { color: #008000; font-weight: bold } /* Keyword */
.hl .o { color: #666 } /* Operator */
.hl .ch { color: #3D7B7B; font-style: italic } /* Comment.Hashbang */
.hl .cm { color: #3D7B7B; font-style: italic } /* Comment.Multiline */
.hl .cp { color: #9C6500 } /* Comment.Preproc */
.hl .cpf { color: #3D7B7B; font-style: italic } /* Comment.PreprocFile */
.hl .c1 { color: #3D7B7B; font-style: italic } /* Comment.Single */
.hl .cs { color: #3D7B7B; font-style: italic } /* Comment.Special */
.hl .gd { color: #A00000 } /* Generic.Deleted */
.hl .ge { font-style: italic } /* Generic.Emph */
.hl .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.hl .gr { color: #E40000 } /* Generic.Error */
.hl .gh { color: #000080; font-weight: bold } /* Generic.Heading */
.hl .gi { color: #008400 } /* Generic.Inserted */
.hl .go { color: #717171 } /* Generic.Output */
.hl .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
.hl .gs { font-weight: bold } /* Generic.Strong */
.hl .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
.hl .gt { color: #04D } /* Generic.Traceback */
.hl .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
.hl .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
.hl .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
.hl .kp { color: #008000 } /* Keyword.Pseudo */
.hl .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
.hl .kt { color: #B00040 } /* Keyword.Type */
.hl .m { color: #666 } /* Literal.Number */
.hl .s { color: #BA2121 } /* Literal.String */
.hl .na { color: #687822 } /* Name.Attribute */
.hl .nb { color: #008000 } /* Name.Builtin */
.hl .nc { color: #00F; font-weight: bold } /* Name.Class */
.hl .no { color: #800 } /* Name.Constant */
.hl .nd { color: #A2F } /* Name.Decorator */
.hl .ni { color: #717171; font-weight: bold } /* Name.Entity */
.hl .ne { color: #CB3F38; font-weight: bold } /* Name.Exception */
.hl .nf { color: #00F } /* Name.Function */
.hl .nl { color: #767600 } /* Name.Label */
.hl .nn { color: #00F; font-weight: bold } /* Name.Namespace */
.hl .nt { color: #008000; font-weight: bold } /* Name.Tag */
.hl .nv { color: #19177C } /* Name.Variable */
.hl .ow { color: #A2F; font-weight: bold } /* Operator.Word */
.hl .w { color: #BBB } /* Text.Whitespace */
.hl .mb { color: #666 } /* Literal.Number.Bin */
.hl .mf { color: #666 } /* Literal.Number.Float */
.hl .mh { color: #666 } /* Literal.Number.Hex */
.hl .mi { color: #666 } /* Literal.Number.Integer */
.hl .mo { color: #666 } /* Literal.Number.Oct */
.hl .sa { color: #BA2121 } /* Literal.String.Affix */
.hl .sb { color: #BA2121 } /* Literal.String.Backtick */
.hl .sc { color: #BA2121 } /* Literal.String.Char */
.hl .dl { color: #BA2121 } /* Literal.String.Delimiter */
.hl .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
.hl .s2 { color: #BA2121 } /* Literal.String.Double */
.hl .se { color: #AA5D1F; font-weight: bold } /* Literal.String.Escape */
.hl .sh { color: #BA2121 } /* Literal.String.Heredoc */
.hl .si { color: #A45A77; font-weight: bold } /* Literal.String.Interpol */
.hl .sx { color: #008000 } /* Literal.String.Other */
.hl .sr { color: #A45A77 } /* Literal.String.Regex */
.hl .s1 { color: #BA2121 } /* Literal.String.Single */
.hl .ss { color: #19177C } /* Literal.String.Symbol */
.hl .bp { color: #008000 } /* Name.Builtin.Pseudo */
.hl .fm { color: #00F } /* Name.Function.Magic */
.hl .vc { color: #19177C } /* Name.Variable.Class */
.hl .vg { color: #19177C } /* Name.Variable.Global */
.hl .vi { color: #19177C } /* Name.Variable.Instance */
.hl .vm { color: #19177C } /* Name.Variable.Magic */
.hl .il { color: #666 } /* Literal.Number.Integer.Long */
@media (prefers-color-scheme: dark) {
.hl .c { color: #8B949E; font-style: italic } /* Comment */
.hl .err { color: #F85149 } /* Error */
.hl .esc { color: #E6EDF3 } /* Escape */
.hl .g { color: #E6EDF3 } /* Generic */
.hl .k { color: #FF7B72 } /* Keyword */
.hl .l { color: #A5D6FF } /* Literal */
.hl .n { color: #E6EDF3 } /* Name */
.hl .o { color: #FF7B72; font-weight: bold } /* Operator */
.hl .x { color: #E6EDF3 } /* Other */
.hl .p { color: #E6EDF3 } /* Punctuation */
.hl .ch { color: #8B949E; font-style: italic } /* Comment.Hashbang */
.hl .cm { color: #8B949E; font-style: italic } /* Comment.Multiline */
.hl .cp { color: #8B949E; font-weight: bold; font-style: italic } /* Comment.Preproc */
.hl .cpf { color: #8B949E; font-style: italic } /* Comment.PreprocFile */
.hl .c1 { color: #8B949E; font-style: italic } /* Comment.Single */
.hl .cs { color: #8B949E; font-weight: bold; font-style: italic } /* Comment.Special */
.hl .gd { color: #FFA198; background-color: #490202 } /* Generic.Deleted */
.hl .ge { color: #E6EDF3; font-style: italic } /* Generic.Emph */
.hl .ges { color: #E6EDF3; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.hl .gr { color: #FFA198 } /* Generic.Error */
.hl .gh { color: #79C0FF; font-weight: bold } /* Generic.Heading */
.hl .gi { color: #56D364; background-color: #0F5323 } /* Generic.Inserted */
.hl .go { color: #8B949E } /* Generic.Output */
.hl .gp { color: #8B949E } /* Generic.Prompt */
.hl .gs { color: #E6EDF3; font-weight: bold } /* Generic.Strong */
.hl .gu { color: #79C0FF } /* Generic.Subheading */
.hl .gt { color: #FF7B72 } /* Generic.Traceback */
.hl .g-Underline { color: #E6EDF3; text-decoration: underline } /* Generic.Underline */
.hl .kc { color: #79C0FF } /* Keyword.Constant */
.hl .kd { color: #FF7B72 } /* Keyword.Declaration */
.hl .kn { color: #FF7B72 } /* Keyword.Namespace */
.hl .kp { color: #79C0FF } /* Keyword.Pseudo */
.hl .kr { color: #FF7B72 } /* Keyword.Reserved */
.hl .kt { color: #FF7B72 } /* Keyword.Type */
.hl .ld { color: #79C0FF } /* Literal.Date */
.hl .m { color: #A5D6FF } /* Literal.Number */
.hl .s { color: #A5D6FF } /* Literal.String */
.hl .na { color: #E6EDF3 } /* Name.Attribute */
.hl .nb { color: #E6EDF3 } /* Name.Builtin */
.hl .nc { color: #F0883E; font-weight: bold } /* Name.Class */
.hl .no { color: #79C0FF; font-weight: bold } /* Name.Constant */
.hl .nd { color: #D2A8FF; font-weight: bold } /* Name.Decorator */
.hl .ni { color: #FFA657 } /* Name.Entity */
.hl .ne { color: #F0883E; font-weight: bold } /* Name.Exception */
.hl .nf { color: #D2A8FF; font-weight: bold } /* Name.Function */
.hl .nl { color: #79C0FF; font-weight: bold } /* Name.Label */
.hl .nn { color: #FF7B72 } /* Name.Namespace */
.hl .nx { color: #E6EDF3 } /* Name.Other */
.hl .py { color: #79C0FF } /* Name.Property */
.hl .nt { color: #7EE787 } /* Name.Tag */
.hl .nv { color: #79C0FF } /* Name.Variable */
.hl .ow { color: #FF7B72; font-weight: bold } /* Operator.Word */
.hl .pm { color: #E6EDF3 } /* Punctuation.Marker */
.hl .w { color: #6E7681 } /* Text.Whitespace */
.hl .mb { color: #A5D6FF } /* Literal.Number.Bin */
.hl .mf { color: #A5D6FF } /* Literal.Number.Float */
.hl .mh { color: #A5D6FF } /* Literal.Number.Hex */
.hl .mi { color: #A5D6FF } /* Literal.Number.Integer */
.hl .mo { color: #A5D6FF } /* Literal.Number.Oct */
.hl .sa { color: #79C0FF } /* Literal.String.Affix */
.hl .sb { color: #A5D6FF } /* Literal.String.Backtick */
.hl .sc { color: #A5D6FF } /* Literal.String.Char */
.hl .dl { color: #79C0FF } /* Literal.String.Delimiter */
.hl .sd { color: #A5D6FF } /* Literal.String.Doc */
.hl .s2 { color: #A5D6FF } /* Literal.String.Double */
.hl .se { color: #79C0FF } /* Literal.String.Escape */
.hl .sh { color: #79C0FF } /* Literal.String.Heredoc */
.hl .si { color: #A5D6FF } /* Literal.String.Interpol */
.hl .sx { color: #A5D6FF } /* Literal.String.Other */
.hl .sr { color: #79C0FF } /* Literal.String.Regex */
.hl .s1 { color: #A5D6FF } /* Literal.String.Single */
.hl .ss { color: #A5D6FF } /* Literal.String.Symbol */
.hl .bp { color: #E6EDF3 } /* Name.Builtin.Pseudo */
.hl .fm { color: #D2A8FF; font-weight: bold } /* Name.Function.Magic */
.hl .vc { color: #79C0FF } /* Name.Variable.Class */
.hl .vg { color: #79C0FF } /* Name.Variable.Global */
.hl .vi { color: #79C0FF } /* Name.Variable.Instance */
.hl .vm { color: #79C0FF } /* Name.Variable.Magic */
.hl .il { color: #A5D6FF } /* Literal.Number.Integer.Long */
}