:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --ink: #16202e;
  --muted: #5b6778;
  --line: #dde3ec;
  --accent: #1f6fe0;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1520;
    --panel: #161e2b;
    --ink: #e6ebf2;
    --muted: #9aa6b6;
    --line: #273245;
    --accent: #6ea6ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
header, main, footer { max-width: 46rem; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: baseline; gap: 1rem; padding-top: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
header .name { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
header nav { margin-left: auto; display: flex; gap: 1rem; font-size: 0.95rem; }
main { padding-top: 2rem; padding-bottom: 3rem; }
h1 { font-size: 1.9rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
p, li { color: var(--ink); }
.muted { color: var(--muted); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem 1.5rem; margin-top: 1.5rem; }
footer { border-top: 1px solid var(--line); padding-top: 1rem; padding-bottom: 2rem; font-size: 0.9rem; color: var(--muted); }
footer a { color: var(--muted); }
h3 { font-size: 1rem; margin: 1.75rem 0 0.25rem; }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; font-size: 0.92rem; }
th, td { text-align: left; vertical-align: top; padding: 0.35rem 0.6rem 0.35rem 0; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }