:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #141824;
  --muted: #5c6578;
  --line: #e6e8f0;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --soft: #eef0ff;
  --warn: #92400e;
  --warn-bg: #fff7ed;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 12px 32px rgba(16, 24, 40, 0.06);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.55; }
body { min-height: 100vh; }
img { max-width: 100%; height: auto; }
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(32px, 5vw, 46px); letter-spacing: -0.035em; line-height: 1.12; }
h2 { font-size: clamp(22px, 3vw, 30px); letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 10px; }
h3 { font-size: 18px; margin-bottom: 6px; }
.skip { position: absolute; left: 12px; top: -40px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 5; }
.skip:focus { top: 12px; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.hero { padding: 40px 0 12px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.lead { margin-top: 14px; font-size: 18px; max-width: 46rem; }
.banner { margin-top: 16px; background: var(--warn-bg); border: 1px solid #fed7aa; color: var(--warn); border-radius: 12px; padding: 12px 14px; }
.section { padding: 22px 0; }
.card, .panel { background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 16px; }
.cards { display: grid; grid-template-columns: 1fr; gap: 14px; }
.badge-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }
.badge-row img { background: #fff; border-radius: 6px; }
.muted { color: var(--muted); }
.note[hidden] { display: none; }
.note { margin-top: 8px; color: var(--warn); font-weight: 600; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
pre { overflow-x: auto; padding: 12px; background: #0f172a; color: #e2e8f0; border-radius: 12px; }
.nav { display: flex; flex-wrap: wrap; gap: 10px 14px; margin: 14px 0; }
.nav a { text-decoration: none; background: var(--soft); padding: 4px 8px; border-radius: 999px; }
footer { padding: 12px 0 40px; color: var(--muted); }
.crumbs { margin-bottom: 12px; }
@media (min-width: 800px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .badge-grid { grid-template-columns: 1fr 1fr; }
}

pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight { background: #f8f8f8; }
.highlight .c { color: #3D7B7B; font-style: italic } /* Comment */
.highlight .err { border: 1px solid #F00 } /* Error */
.highlight .k { color: #008000; font-weight: bold } /* Keyword */
.highlight .o { color: #666 } /* Operator */
.highlight .ch { color: #3D7B7B; font-style: italic } /* Comment.Hashbang */
.highlight .cm { color: #3D7B7B; font-style: italic } /* Comment.Multiline */
.highlight .cp { color: #9C6500 } /* Comment.Preproc */
.highlight .cpf { color: #3D7B7B; font-style: italic } /* Comment.PreprocFile */
.highlight .c1 { color: #3D7B7B; font-style: italic } /* Comment.Single */
.highlight .cs { color: #3D7B7B; font-style: italic } /* Comment.Special */
.highlight .gd { color: #A00000 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #E40000 } /* Generic.Error */
.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
.highlight .gi { color: #008400 } /* Generic.Inserted */
.highlight .go { color: #717171 } /* Generic.Output */
.highlight .gp { color: #000080; font-weight: bold } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
.highlight .gt { color: #04D } /* Generic.Traceback */
.highlight .kc { color: #008000; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008000; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008000 } /* Keyword.Pseudo */
.highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #B00040 } /* Keyword.Type */
.highlight .m { color: #666 } /* Literal.Number */
.highlight .s { color: #BA2121 } /* Literal.String */
.highlight .na { color: #687822 } /* Name.Attribute */
.highlight .nb { color: #008000 } /* Name.Builtin */
.highlight .nc { color: #00F; font-weight: bold } /* Name.Class */
.highlight .no { color: #800 } /* Name.Constant */
.highlight .nd { color: #A2F } /* Name.Decorator */
.highlight .ni { color: #717171; font-weight: bold } /* Name.Entity */
.highlight .ne { color: #CB3F38; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #00F } /* Name.Function */
.highlight .nl { color: #767600 } /* Name.Label */
.highlight .nn { color: #00F; font-weight: bold } /* Name.Namespace */
.highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #19177C } /* Name.Variable */
.highlight .ow { color: #A2F; font-weight: bold } /* Operator.Word */
.highlight .w { color: #BBB } /* Text.Whitespace */
.highlight .mb { color: #666 } /* Literal.Number.Bin */
.highlight .mf { color: #666 } /* Literal.Number.Float */
.highlight .mh { color: #666 } /* Literal.Number.Hex */
.highlight .mi { color: #666 } /* Literal.Number.Integer */
.highlight .mo { color: #666 } /* Literal.Number.Oct */
.highlight .sa { color: #BA2121 } /* Literal.String.Affix */
.highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
.highlight .sc { color: #BA2121 } /* Literal.String.Char */
.highlight .dl { color: #BA2121 } /* Literal.String.Delimiter */
.highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
.highlight .s2 { color: #BA2121 } /* Literal.String.Double */
.highlight .se { color: #AA5D1F; font-weight: bold } /* Literal.String.Escape */
.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
.highlight .si { color: #A45A77; font-weight: bold } /* Literal.String.Interpol */
.highlight .sx { color: #008000 } /* Literal.String.Other */
.highlight .sr { color: #A45A77 } /* Literal.String.Regex */
.highlight .s1 { color: #BA2121 } /* Literal.String.Single */
.highlight .ss { color: #19177C } /* Literal.String.Symbol */
.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #00F } /* Name.Function.Magic */
.highlight .vc { color: #19177C } /* Name.Variable.Class */
.highlight .vg { color: #19177C } /* Name.Variable.Global */
.highlight .vi { color: #19177C } /* Name.Variable.Instance */
.highlight .vm { color: #19177C } /* Name.Variable.Magic */
.highlight .il { color: #666 } /* Literal.Number.Integer.Long */