:root {
  --ink: #12181a;
  --ink-soft: #47555a;
  --paper: #fdfdfb;
  --line: #dfe4e2;
  --teal: #0c5c5f;
  --teal-soft: #eef5f4;
  --amber: #7a4b00;
  --amber-soft: #fdf4e3;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 10;
  background: var(--teal);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 22px;
}

header.site {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
nav.site a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
}
nav.site a:hover,
nav.site a:focus { color: var(--teal); text-decoration: underline; }

main { padding: 38px 0 10px; }

h1 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
h2 {
  font-size: 23px;
  line-height: 1.3;
  margin: 42px 0 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
h3 {
  font-size: 18px;
  margin: 26px 0 8px;
}
p, li { color: var(--ink); }
.lede {
  font-size: 19px;
  color: var(--ink-soft);
  margin: 0 0 26px;
}
a { color: var(--teal); }

ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

.meta {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 30px;
}

.card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 14px 0;
  text-decoration: none;
  color: inherit;
  background: #fff;
}
.card:hover, .card:focus { border-color: var(--teal); }
.card:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.card strong { display: block; font-size: 18px; margin-bottom: 4px; color: var(--teal); }
.card span { color: var(--ink-soft); font-size: 15px; }

.note {
  background: var(--teal-soft);
  border-left: 4px solid var(--teal);
  padding: 14px 16px;
  border-radius: 0 8px 8px 0;
  margin: 22px 0;
  font-size: 15.5px;
}
.warn {
  background: var(--amber-soft);
  border-left: 4px solid var(--amber);
  padding: 14px 16px;
  border-radius: 0 8px 8px 0;
  margin: 22px 0;
  font-size: 15.5px;
}

pre {
  background: #f4f6f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font: 14px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}

.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 18px 0;
}
.scroll-x:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 15.5px;
}
.scroll-x > table { margin: 0; }
th, td {
  border: 1px solid var(--line);
  padding: 9px 11px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: break-word;
  word-break: normal;
}
th { background: #f4f6f5; }
caption { text-align: left; margin-bottom: 6px; }
caption.meta { margin: 0 0 8px; }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 52px;
  padding: 24px 0 46px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
footer.site a { color: var(--teal); }

@media (max-width: 560px) {
  .scroll-x > table { font-size: 14.5px; }
  th, td { padding: 7px 8px; }
  pre { padding: 12px 12px; font-size: 13.5px; }
}