:root {
  --navy: #0b2346;
  --ink: #2d3137;
  --teal: #36bbca;
  --teal-2: #4abfb4;
  --lime: #d1dd18;
  --muted: #5f6b76;
  --line: #dfe5ea;
  --soft: #f4f7f9;
  --bg: #ffffff;
  --fg: var(--ink);
  --link: #0e6e78;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08111f;
    --fg: #eef2f5;
    --muted: #9aa8b5;
    --line: rgba(154, 168, 181, 0.25);
    --soft: #13203a;
    --link: #6fd6cc;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--link); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
header.site img { height: 44px; width: auto; display: block; }
header.site nav a { margin-left: 18px; text-decoration: none; color: var(--fg); font-weight: 500; }
.logo-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  .logo-light { display: none !important; }
  .logo-dark { display: block !important; }
}
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.01em; }
.hero p { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600;
  background: var(--navy); color: #fff; text-decoration: none; margin: 0 10px 10px 0;
}
.button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
@media (prefers-color-scheme: dark) { .button { background: var(--teal-2); color: #08111f; } }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; padding: 8px 0 48px; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 20px; background: var(--soft); }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.accent { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--teal), var(--lime)); width: 56px; margin-bottom: 14px; }
main.doc { padding: 40px 0 56px; }
main.doc h1 { font-size: 34px; margin: 0 0 4px; }
main.doc .updated { color: var(--muted); margin: 0 0 28px; }
main.doc h2 { font-size: 22px; margin: 34px 0 8px; }
main.doc h3 { font-size: 18px; margin: 22px 0 6px; }
table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: 15.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { font: 14.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--soft); padding: 1px 6px; border-radius: 5px; }
.note { border-left: 4px solid var(--teal); background: var(--soft); padding: 12px 16px; border-radius: 0 10px 10px 0; margin: 16px 0; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14.5px; }
footer.site .wrap { padding-top: 22px; padding-bottom: 30px; }
footer.site a { color: var(--muted); margin-right: 16px; }
@media (max-width: 560px) {
  header.site nav a { margin-left: 12px; font-size: 15px; }
  header.site img { height: 36px; }
  th, td { padding: 8px 6px; }
}