:root {
  --bg: #fafafa; --fg: #1d1d1f; --muted: #5e5c64; --card: #ffffff; --border: #deddda;
  --code: #f0f0f2; --accent: #1c71d8; --on-accent: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #222226; --fg: #f6f5f4; --muted: #c0bfbc; --card: #2e2e32; --border: #3d3846;
    --code: #1a1a1d; --accent: #78aeed; --on-accent: #1d1d1f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Cantarell", "Segoe UI", sans-serif;
}
header { border-bottom: 1px solid var(--border); background: var(--card); }
.bar {
  max-width: 48rem; margin: 0 auto; padding: .6rem 1rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .6rem; color: var(--fg); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.brand img { width: 36px; height: 36px; }
nav a { margin-left: 1.1rem; color: var(--fg); text-decoration: none; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
main { max-width: 48rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 1rem 0 1rem; }
h2 { font-size: 1.35rem; margin: 2.25rem 0 .75rem; }
h3 { font-size: 1.1rem; margin: 1.75rem 0 .5rem; }
h1 a.header-anchor { display: none; }
h2 a.header-anchor, h3 a.header-anchor { visibility: hidden; margin-left: .35rem; text-decoration: none; color: var(--muted); }
h2:hover a.header-anchor, h3:hover a.header-anchor { visibility: visible; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; border-radius: 8px; }
code { font: .88em ui-monospace, "Source Code Pro", monospace; background: var(--code); padding: .1em .35em; border-radius: 4px; }
pre { background: var(--code); padding: .8rem 1rem; border-radius: 8px; overflow-x: auto; line-height: 1.45; }
pre code { padding: 0; background: none; font-size: .85rem; }
table { border-collapse: collapse; width: 100%; margin: 0 0 1rem; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: .4rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--code); }
td code { white-space: nowrap; }
blockquote { margin: 0 0 1rem; padding: .25rem 1rem; border-left: 4px solid var(--border); color: var(--muted); }
.hero { display: flex; align-items: center; gap: 1.25rem; margin: 1.5rem 0 1rem; }
.hero img { width: 112px; height: 112px; flex: none; border-radius: 0; }
.hero h1 { margin: 0; font-size: 2.4rem; }
.hero p { margin: .25rem 0 0; color: var(--muted); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.25rem 0 1.5rem; }
.button {
  display: inline-block; padding: .5rem 1.1rem; border-radius: 8px; text-decoration: none;
  border: 1px solid var(--border); color: var(--fg); background: var(--card);
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
footer { max-width: 48rem; margin: 0 auto; padding: 0 1rem 2.5rem; font-size: .85rem; color: var(--muted); }