:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  margin: 0 auto; padding: 32px 20px 64px; max-width: 44rem;
  color: #1c1c1e; background: #fff;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-color-scheme: dark) {
  body { color: #f2f2f7; background: #000; }
  a { color: #4a8af6; }
  .meta { color: #98989f; }
  th, td { border-color: #2c2c2e; }
}
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 { font-size: 1.25rem; margin: 40px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; margin: 24px 0 6px; }
.meta { color: #6c6c70; font-size: 0.9rem; margin-bottom: 32px; }
a { color: #1d67e5; }
ul { padding-left: 1.25rem; }
li { margin: 6px 0; }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 0.95rem; }
th, td { border: 1px solid #e5e5ea; padding: 8px 10px; text-align: left; vertical-align: top; }
th { font-weight: 600; }
nav { margin-top: 48px; padding-top: 20px; border-top: 1px solid #e5e5ea; font-size: 0.95rem; }
nav a { margin-right: 18px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }