:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b6270;
  --rule: #e3e6ec;
  --accent: #4f46e5;
  --card: #f6f7f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1116;
    --fg: #e7e9ee;
    --muted: #9aa2b1;
    --rule: #262a33;
    --accent: #8b85ff;
    --card: #171a21;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

header.doc {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.75rem; }
h2 { font-size: 1.25rem; margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 0.5rem; }

.dates { color: var(--muted); font-size: 0.9375rem; margin: 0; }

p, li { color: var(--fg); }
ul, ol { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }

a { color: var(--accent); }

.summary {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0 0;
}
.summary p:last-child { margin-bottom: 0; }
.summary p:first-child { margin-top: 0; }

.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: 0.9375rem; }
th, td { text-align: left; vertical-align: top; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--rule); }
th { font-weight: 600; color: var(--muted); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.04em; }

footer.doc {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

code { background: var(--card); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }