:root {
  --ink: #1c1b22;
  --ink-soft: #55535f;
  --bg: #fbfaf8;
  --panel: #ffffff;
  --rule: #e6e3dd;
  --link: #6c4a86;
  --accent: #2f7d75;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece9f2;
    --ink-soft: #a7a2b4;
    --bg: #16151a;
    --panel: #1d1c23;
    --rule: #2f2d38;
    --link: #c0a3d8;
    --accent: #6cc4b8;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 ui-rounded, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 44rem;
  margin: 0 auto;
  padding: 22px 22px 0;
}

.mark {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.bar nav {
  display: flex;
  gap: 16px;
  font-size: 15px;
}

.bar nav [aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 8px 22px 12px;
}

h1 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 26px 0 6px;
}

h2 {
  font-size: 21px;
  letter-spacing: -0.01em;
  margin: 38px 0 8px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

h3 {
  font-size: 17.5px;
  margin: 26px 0 4px;
}

p, ul, ol { margin: 0 0 14px; }

li { margin-bottom: 5px; }

a {
  color: var(--link);
  text-underline-offset: 2px;
}

strong { font-weight: 650; }

blockquote {
  margin: 18px 0;
  padding: 12px 16px;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  color: var(--ink-soft);
}

blockquote p:last-child { margin-bottom: 0; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 1px 5px;
}

pre {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
}

pre code { border: 0; padding: 0; background: none; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 15.5px;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th { font-weight: 650; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}

footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 26px 22px 48px;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 14.5px;
}

footer p { margin: 0 0 6px; }

.thin { font-size: 13.5px; }