:root {
  --bg: #fbfaf7; --fg: #1c1b19; --muted: #5f5b53; --line: #e4e0d7;
  --card: #ffffff; --accent: #b4451f; --accent-soft: #f6e6de; --code: #f1eee8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171614; --fg: #ece8e1; --muted: #a39d92; --line: #2e2b27;
    --card: #1f1d1a; --accent: #e8784f; --accent-soft: #3a241b; --code: #25221e;
  }
}
:root[data-theme="dark"] {
  --bg: #171614; --fg: #ece8e1; --muted: #a39d92; --line: #2e2b27;
  --card: #1f1d1a; --accent: #e8784f; --accent-soft: #3a241b; --code: #25221e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 780px; margin: 0 auto; padding: 0 16px 64px; }
.topbar { display: flex; justify-content: space-between; align-items: center; max-width: 780px; margin: 0 auto; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 600; }
.topbar a { text-decoration: none; }
.topbar .brand { color: var(--fg); }
.topbar .gh { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--fg); background: var(--card); }
.topbar .gh:hover { border-color: var(--accent); color: var(--accent); }
header { padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: 13px; }
h1 { font-size: clamp(36px, 7vw, 56px); line-height: 1.05; margin: 12px 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 26px; margin: 56px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 28px 0 6px; }
p { margin: 0 0 14px; }
.lede { font-size: 20px; color: var(--muted); max-width: 640px; }
a { color: var(--accent); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-block; padding: 10px 18px; border-radius: 8px; text-decoration: none; font-weight: 600; border: 1px solid var(--accent); }
.btn.primary { background: var(--accent); color: var(--bg); }
.btn.ghost { color: var(--accent); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 8px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.stat b { display: block; font-size: 28px; color: var(--accent); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
@media (max-width: 560px) { .grid, .stats { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.card h3 { margin-top: 0; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; }
tr.hl td { background: var(--accent-soft); }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; font-size: .9em; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre { position: relative; background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 14px; }
pre code { background: none; padding: 0; }
.copy { position: absolute; top: 8px; right: 8px; font: 600 12px/1 inherit; padding: 6px 9px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--muted); cursor: pointer; }
.note { color: var(--muted); font-size: 14px; border-left: 3px solid var(--line); padding-left: 12px; }
ul, ol { padding-left: 22px; } li { margin: 4px 0; }
footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }