:root {
  --ink: #191b2e;
  --ink-soft: #565c7a;
  --ink-faint: #8b90a8;
  --fog: #f1f2f6;
  --paper: #ffffff;
  --rule: #dcdfe8;
  --signal: #2f4fe0;
  --moss: #0b7361;
  --moss-wash: #e3f4f0;
  --clay: #9a3412;
  --clay-wash: #fdf0e8;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef0f8; --ink-soft: #a7adc7; --ink-faint: #767c98;
    --fog: #14162a; --paper: #1c1f36; --rule: #2e3350;
    --signal: #8098ff; --moss: #55c9b0; --moss-wash: #16352f;
    --clay: #e79070; --clay-wash: #3a2418;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 80px;
  background: var(--fog);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 720px; margin: 0 auto; }

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}

header.site svg { width: 30px; height: 30px; flex: none; }
header.site svg circle { fill: var(--signal); }
header.site svg path { fill: none; stroke: var(--signal); stroke-width: 1.4; stroke-linecap: round; }

.wordmark {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}

nav.site { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
nav.site a { color: var(--ink-soft); text-decoration: none; }
nav.site a:hover { color: var(--signal); }

h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 36px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 15px; margin: 24px 0 6px; }

.lede { font-size: 18px; color: var(--ink-soft); margin: 0 0 28px; }
.updated { font-size: 13px; color: var(--ink-faint); margin: 0 0 32px; }

p, li { color: var(--ink); }
a { color: var(--signal); }

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 18px 22px;
  margin: 22px 0;
}

.card.ok { background: var(--moss-wash); border-color: transparent; }
.card.ok strong { color: var(--moss); }

code, .mono { font-family: var(--mono); font-size: 0.9em; }

code {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1px 5px;
}

ul { padding-left: 20px; }
li { margin: 4px 0; }

table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-faint); font-weight: 650; }

footer.site {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-faint);
}
footer.site a { color: var(--ink-soft); }