:root {
  --bg:#f5f7fb; --surface:#ffffff; --surface-2:#eef5ff; --text:#102033; --muted:#526173; --border:#d9e2ec;
  --brand:#2563eb; --brand-2:#0f766e; --accent:#f59e0b; --good:#15803d; --code-bg:#272822;
  --radius:18px; --shadow:0 14px 40px rgba(15,23,42,.10);
}
:root.dark {
  --bg:#0b1120; --surface:#121a2a; --surface-2:#172237; --text:#e6edf7; --muted:#aab7c8; --border:#28364d;
  --brand:#93c5fd; --brand-2:#5eead4; --accent:#fbbf24; --good:#86efac; --shadow:0 14px 40px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(135deg,var(--bg),var(--surface-2));color:var(--text);font-family:Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;line-height:1.65}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:26px}
.hero{background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(15,118,110,.12));border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:var(--shadow);margin:18px 0}
.hero h1{font-size:clamp(2rem,5vw,4rem);line-height:1.05;margin:.2rem 0 1rem}
.kicker,.badge{display:inline-flex;gap:.35rem;align-items:center;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:.35rem .7rem;color:var(--muted);font-weight:700;font-size:.9rem}
.badge.framework{background:rgba(37,99,235,.12);color:var(--brand)} .badge.library{background:rgba(15,118,110,.12);color:var(--brand-2)}
.toolbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.83);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
:root.dark .toolbar{background:rgba(11,17,32,.86)}
.toolbar .inner{max-width:1180px;margin:0 auto;padding:10px 26px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button,.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);padding:.55rem .8rem;border-radius:999px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:.35rem}
button:hover,.btn:hover{box-shadow:0 8px 22px rgba(2,6,23,.12);text-decoration:none}
.search{flex:1;min-width:220px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);padding:.65rem 1rem;font-size:1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:24px 0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:.2rem 0 .6rem;font-size:1.15rem} .card p{color:var(--muted);margin:.4rem 0}
.layout{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:start}
.sidebar{position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.sidebar a{display:block;padding:7px 9px;border-radius:10px;color:var(--muted)} .sidebar a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}
.content{min-width:0}
.section, details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin:16px 0;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:800;color:var(--brand);font-size:1.05rem}
h2{font-size:1.75rem;margin:1rem 0 .5rem} h3{font-size:1.25rem;margin:1rem 0 .35rem}
ul{padding-left:1.3rem}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.callout{border-left:5px solid var(--brand);background:var(--surface-2);border-radius:14px;padding:14px 16px;margin:14px 0}
.warning{border-left-color:var(--accent)} .good{border-left-color:var(--good)}
.diagram{overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin:14px 0}
.diagram svg{max-width:100%;height:auto;display:block}
.table-wrap{overflow:auto} table{border-collapse:collapse;width:100%;margin:1rem 0;background:var(--surface)} th,td{border:1px solid var(--border);padding:.65rem;text-align:left;vertical-align:top} th{background:var(--surface-2)}
.highlight{border-radius:16px;overflow:auto;margin:16px 0;border:1px solid #3b3b3b;background:#272822!important} .highlight pre{margin:0;padding:16px;white-space:pre;overflow:auto;font-size:.93rem;line-height:1.55}
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: #49483e }
.highlight { background: #272822; color: #F8F8F2 }
.highlight .c { color: #959077 } /* Comment */
.highlight .err { color: #ED007E; background-color: #1E0010 } /* Error */
.highlight .esc { color: #F8F8F2 } /* Escape */
.highlight .g { color: #F8F8F2 } /* Generic */
.highlight .k { color: #66D9EF } /* Keyword */
.highlight .l { color: #AE81FF } /* Literal */
.highlight .n { color: #F8F8F2 } /* Name */
.highlight .o { color: #FF4689 } /* Operator */
.highlight .x { color: #F8F8F2 } /* Other */
.highlight .p { color: #F8F8F2 } /* Punctuation */
.highlight .ch { color: #959077 } /* Comment.Hashbang */
.highlight .cm { color: #959077 } /* Comment.Multiline */
.highlight .cp { color: #959077 } /* Comment.Preproc */
.highlight .cpf { color: #959077 } /* Comment.PreprocFile */
.highlight .c1 { color: #959077 } /* Comment.Single */
.highlight .cs { color: #959077 } /* Comment.Special */
.highlight .gd { color: #FF4689 } /* Generic.Deleted */
.highlight .ge { color: #F8F8F2; font-style: italic } /* Generic.Emph */
.highlight .ges { color: #F8F8F2; font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #F8F8F2 } /* Generic.Error */
.highlight .gh { color: #F8F8F2 } /* Generic.Heading */
.highlight .gi { color: #A6E22E } /* Generic.Inserted */
.highlight .go { color: #66D9EF } /* Generic.Output */
.highlight .gp { color: #FF4689; font-weight: bold } /* Generic.Prompt */
.highlight .gs { color: #F8F8F2; font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #959077 } /* Generic.Subheading */
.highlight .gt { color: #F8F8F2 } /* Generic.Traceback */
.highlight .kc { color: #66D9EF } /* Keyword.Constant */
.highlight .kd { color: #66D9EF } /* Keyword.Declaration */
.highlight .kn { color: #FF4689 } /* Keyword.Namespace */
.highlight .kp { color: #66D9EF } /* Keyword.Pseudo */
.highlight .kr { color: #66D9EF } /* Keyword.Reserved */
.highlight .kt { color: #66D9EF } /* Keyword.Type */
.highlight .ld { color: #E6DB74 } /* Literal.Date */
.highlight .m { color: #AE81FF } /* Literal.Number */
.highlight .s { color: #E6DB74 } /* Literal.String */
.highlight .na { color: #A6E22E } /* Name.Attribute */
.highlight .nb { color: #F8F8F2 } /* Name.Builtin */
.highlight .nc { color: #A6E22E } /* Name.Class */
.highlight .no { color: #66D9EF } /* Name.Constant */
.highlight .nd { color: #A6E22E } /* Name.Decorator */
.highlight .ni { color: #F8F8F2 } /* Name.Entity */
.highlight .ne { color: #A6E22E } /* Name.Exception */
.highlight .nf { color: #A6E22E } /* Name.Function */
.highlight .nl { color: #F8F8F2 } /* Name.Label */
.highlight .nn { color: #F8F8F2 } /* Name.Namespace */
.highlight .nx { color: #A6E22E } /* Name.Other */
.highlight .py { color: #F8F8F2 } /* Name.Property */
.highlight .nt { color: #FF4689 } /* Name.Tag */
.highlight .nv { color: #F8F8F2 } /* Name.Variable */
.highlight .ow { color: #FF4689 } /* Operator.Word */
.highlight .pm { color: #F8F8F2 } /* Punctuation.Marker */
.highlight .w { color: #F8F8F2 } /* Text.Whitespace */
.highlight .mb { color: #AE81FF } /* Literal.Number.Bin */
.highlight .mf { color: #AE81FF } /* Literal.Number.Float */
.highlight .mh { color: #AE81FF } /* Literal.Number.Hex */
.highlight .mi { color: #AE81FF } /* Literal.Number.Integer */
.highlight .mo { color: #AE81FF } /* Literal.Number.Oct */
.highlight .sa { color: #E6DB74 } /* Literal.String.Affix */
.highlight .sb { color: #E6DB74 } /* Literal.String.Backtick */
.highlight .sc { color: #E6DB74 } /* Literal.String.Char */
.highlight .dl { color: #E6DB74 } /* Literal.String.Delimiter */
.highlight .sd { color: #E6DB74 } /* Literal.String.Doc */
.highlight .s2 { color: #E6DB74 } /* Literal.String.Double */
.highlight .se { color: #AE81FF } /* Literal.String.Escape */
.highlight .sh { color: #E6DB74 } /* Literal.String.Heredoc */
.highlight .si { color: #E6DB74 } /* Literal.String.Interpol */
.highlight .sx { color: #E6DB74 } /* Literal.String.Other */
.highlight .sr { color: #E6DB74 } /* Literal.String.Regex */
.highlight .s1 { color: #E6DB74 } /* Literal.String.Single */
.highlight .ss { color: #E6DB74 } /* Literal.String.Symbol */
.highlight .bp { color: #F8F8F2 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #A6E22E } /* Name.Function.Magic */
.highlight .vc { color: #F8F8F2 } /* Name.Variable.Class */
.highlight .vg { color: #F8F8F2 } /* Name.Variable.Global */
.highlight .vi { color: #F8F8F2 } /* Name.Variable.Instance */
.highlight .vm { color: #F8F8F2 } /* Name.Variable.Magic */
.highlight .il { color: #AE81FF } /* Literal.Number.Integer.Long */
mark.search-hit{background:#fde68a;color:#111827;border-radius:4px;padding:0 .1rem}
.footer{color:var(--muted);font-size:.95rem;margin:32px 0 12px}
@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none}.toolbar .inner{padding:10px 14px}.container{padding:16px}.hero{padding:22px}}
@media print{.toolbar,.sidebar,.no-print{display:none!important} body{background:#fff;color:#111} .layout{display:block} .section,details,.card{box-shadow:none;break-inside:avoid} a{color:#0645ad} .highlight{break-inside:avoid}}