*, *::before, *::after { box-sizing: border-box; }
    html, body { height: 100%; }
    :root {
      --bg: #fbfdff;
      --bg-soft: #f8fafc;
        --card: #ffffff;
        --text: #0f172a;
        --muted: #475569;
        --border: #e2e8f0;
        --accent: #2563eb;
        --accent-ink: #ffffff;
      --radius: 16px;
     --shadow: 0 1px 2px rgba(15,23,42,.06), 0 10px 35px rgba(15,23,42,.08);
      --maxw: 1000px;
    }
    @media (prefers-color-scheme: light) {
      :root {
        --bg: #fbfdff;
        --bg-soft: #f8fafc;
        --card: #ffffff;
        --text: #0f172a;
        --muted: #475569;
        --border: #e2e8f0;
        --accent: #2563eb;
        --accent-ink: #ffffff;
        --shadow: 0 1px 2px rgba(15,23,42,.06), 0 10px 35px rgba(15,23,42,.08);
      }
    }

    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: rgba(157, 159, 235, 0.083);
      font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      min-height: 100dvh;
      display: grid;
      grid-template-rows: auto 1fr;
    }
    ul {text-align: justify;}
    ol {text-align: justify;}

    ::selection { background: color-mix(in oklab, var(--accent) 25%, transparent); }
    a { color: var(--accent); text-underline-offset: 3px; }

    .container { max-width: var(--maxw); margin: 0 auto; padding: 2.2rem clamp(1rem, 2vw, 2rem); }

    header.site {
      position: sticky; top: 0; z-index: 50;
      backdrop-filter: blur(10px) saturate(140%);
      background: color-mix(in oklab, var(--bg) 65%, transparent);
      border-bottom: 1px solid var(--border);
    }
    .site-inner { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; }
    .brand {
      display: flex;
      flex-direction: column;
      font-weight: 900;
      letter-spacing: .3px;
    }
    .brand-main {
      font-size: clamp(1.6rem, 4vw, 2.4rem);
      background: linear-gradient(90deg, var(--accent), #a855f7);
      -webkit-background-clip: text; background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .brand-sub {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--muted);
    }

    nav ul { display: flex; gap: .6rem; list-style: none; margin: 0; padding: 0; }
    nav a { display: inline-block; padding: .5rem .8rem; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-soft) 85%, transparent); }
    nav a:hover { border-color: color-mix(in oklab, var(--accent) 50%, var(--border)); }

    .viewport-area { min-height: 0; }
    .grid { display: grid; grid-template-columns: 1fr; gap: 2rem; height: 100%; }
    @media (min-width: 1000px) {
      .grid { grid-template-columns: 270px 1fr; }
      aside.toc { position: sticky; top: 5.5rem; max-height: calc(100dvh - 6rem); overflow: auto; }
    }
    .container.grid { height: 100%; padding-block: 1.6rem; overflow: hidden; }
    main { height: 100%; overflow: auto; padding-right: .2rem; }

    .card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
    .toc { padding: 1rem; }
    .toc h2 { margin: .2rem 0 .6rem; font-size: .9rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
    .toc ol { margin: 0; padding: 0 0 0 1.1rem; }
    .toc a { color: inherit; text-decoration: none; }
    .toc a:hover { color: var(--accent); text-decoration: underline; }

    main h1 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.12; margin: .2rem 0 1rem; }
    main h2 { font-size: clamp(1.35rem, 2.2vw, 1.7rem); margin: 2rem 0 .7rem; display: flex; align-items: center; gap: .5rem; }
    main h3 { font-size: clamp(1.08rem, 1.8vw, 1.2rem); margin: 1.3rem 0 .4rem; }
    p { margin: .5rem 0 1rem; text-align: justify}
    .lede { color: var(--muted); font-size: 1.06rem; }

     .steps { counter-reset: step; }
    .step { position: relative; padding: 1.2rem 1.2rem 1.2rem 3.6rem; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, color-mix(in oklab, var(--card) 88%, transparent), color-mix(in oklab, var(--bg-soft) 75%, transparent)); box-shadow: var(--shadow); }
    .step + .step { margin-top: 1rem; }
    .step::before {
      counter-increment: step;
      content: var(--step-prefix) counter(step);
      position: absolute; left: .8rem; top: 1rem;
      width: 2.2rem; height: 2.2rem; border-radius: 999px; display: grid; place-items: center; font-weight: 800; color: var(--accent-ink); background: var(--accent); box-shadow: var(--shadow);
    }

    .center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

    .callout { border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem 1rem; background: color-mix(in oklab, var(--bg-soft) 90%, transparent); }
    .callout strong { color: var(--muted); text-transform: uppercase; font-size: .78rem; letter-spacing: .06em; }

    pre[class*="language-"] { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); margin: .7rem 0; }
    pre[class*="language-"] code { white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
    .code-header { display: flex; align-items: center; justify-content: space-between; gap: .6rem; font-size: .9rem; color: var(--muted); padding: .6rem .9rem; border: 1px solid var(--border); border-bottom: 0; border-top-left-radius: var(--radius); border-top-right-radius: var(--radius); background: color-mix(in oklab, var(--bg-soft) 88%, transparent); }
    .badge { font-size: .72rem; border: 1px solid var(--border); padding: .15rem .5rem; border-radius: 999px; }
    .copy-btn { appearance: none; border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-soft) 85%, transparent); padding: .35rem .6rem; border-radius: 10px; color: var(--text); cursor: pointer; }
    .copy-btn:hover { border-color: color-mix(in oklab, var(--accent) 50%, var(--border)); }

    pre.line-numbers { padding-left: 3.2em; }
    .line-numbers .line-numbers-rows { border-right: 1px solid var(--border) !important; }

    footer { color: var(--muted); font-size: .95rem; border-top: 1px solid var(--border); margin-top: 3rem; padding-top: 1rem; }
    @media print { header.site, .toc, .copy-btn { display: none !important; } body { background: #fff; } .container { padding: 0; } }

/* Extra rules so the theme applies nicely to plain Markdown renderers */
body { max-width: 1000px; margin: 0 auto; padding: 2rem 1rem; }
main, article, section { all: unset; }
h1, h2, h3 { scroll-margin-top: 5rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
pre { padding: 1rem; border-radius: var(--radius); border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-soft) 90%, transparent); }
blockquote { border-left: 4px solid var(--accent); padding-left: 1rem; color: var(--muted); }
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
a { text-decoration: underline; }
ul, ol { padding-left: 1.3rem; }