/* Marturia docs — shared stylesheet. Mirrors the inline styles in
   docs/index.html so the sub-pages (quickstart, api, verifier, receipt-format)
   stay consistent without duplicating the whole CSS block. */

:root {
  --paper:    oklch(0.985 0.006 85);
  --paper-2:  oklch(0.965 0.008 85);
  --paper-3:  oklch(0.945 0.010 85);
  --ink:      oklch(0.18 0.018 260);
  --ink-2:    oklch(0.36 0.012 260);
  --ink-3:    oklch(0.55 0.010 260);
  --rule:     oklch(0.86 0.010 260);
  --signal:   oklch(0.56 0.22 250);
  --brand:    #1a6b3c;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans:  "Geist", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --maxw: 980px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
body {
  background-image:
    linear-gradient(to right, oklch(0.92 0.005 260 / 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(0.92 0.005 260 / 0.5) 1px, transparent 1px);
  background-size: 80px 80px;
  min-height: 100vh;
}
a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  padding: 20px 32px;
}
header.site .row { display: flex; align-items: center; justify-content: space-between; max-width: var(--maxw); margin: 0 auto; }
.brand-link { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 600; }
.mark { width: 28px; height: 28px; border-radius: 6px; background: var(--brand); display: flex; align-items: center; justify-content: center; }
nav.site a { color: var(--ink-2); margin-left: 22px; font-size: 14px; font-weight: 500; }
nav.site a:hover { color: var(--ink); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 32px 80px;
}
h1, h2, h3 { font-family: var(--serif); color: var(--ink); letter-spacing: -0.018em; line-height: 1.2; }
h1 { font-size: 44px; font-weight: 500; margin-bottom: 8px; }
h2 { font-size: 28px; font-weight: 600; margin-top: 40px; margin-bottom: 14px; }
h3 { font-size: 20px; font-weight: 600; margin-top: 24px; margin-bottom: 10px; }
p { margin: 12px 0; color: var(--ink-2); max-width: 70ch; }
.lede { font-family: var(--serif); font-size: 20px; color: var(--ink-2); margin-top: 8px; margin-bottom: 32px; line-height: 1.55; }
code { font-family: var(--mono); background: var(--paper-3); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--rule); font-size: 14px; }
pre {
  font-family: var(--mono); background: var(--paper-3);
  padding: 16px; border-radius: 8px; border: 1px solid var(--rule);
  font-size: 13px; overflow-x: auto; margin: 16px 0;
  line-height: 1.55;
}
pre code { background: transparent; border: 0; padding: 0; }
ul, ol { margin: 12px 0 12px 24px; color: var(--ink-2); }
li { margin: 6px 0; }
.card { background: var(--paper); border: 1px solid var(--rule); border-radius: 10px; padding: 22px; }
.card h3 { margin-top: 0; }
table { border-collapse: collapse; margin: 16px 0; width: 100%; font-size: 14px; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--rule); }
th { background: var(--paper-2); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-3); }

footer.site { border-top: 1px solid var(--rule); margin-top: 80px; padding: 24px 32px; }
footer.site .row { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); }

@media (max-width: 700px) {
  h1 { font-size: 32px; }
  h2 { font-size: 22px; }
  main { padding: 32px 20px 60px; }
  body { background-size: 40px 40px; }
}