/* Bean Book — lab design system (mirrors the iOS app palette) */
:root {
  --bg: #F5F0E0;
  --surface: #FCF7EB;
  --text: #1A1208;
  --muted: #736657;
  --copper: #B56626;
  --hairline: rgba(0, 0, 0, 0.14);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #120F0A;
    --surface: #211F1A;
    --text: #F2EDE0;
    --muted: #9E9485;
    --copper: #DB8C45;
    --hairline: rgba(255, 255, 255, 0.16);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.kicker {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
}

header.site {
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px;
}
header.site .brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
header.site h1 {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, system-ui, sans-serif;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
header.site .dates {
  margin-top: 10px;
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
}
header.site nav { margin-bottom: 14px; }
header.site nav a {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}
header.site nav a:hover { color: var(--copper); }

h2 {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, system-ui, sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 12px;
}
h2 .num {
  color: var(--copper);
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  font-weight: 600;
  margin-right: 8px;
}
h3 {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, system-ui, sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin: 22px 0 8px;
}

p, ul, ol { margin-bottom: 12px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--copper); }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 20px 0;
}
.card .kicker { display: block; margin-bottom: 8px; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.muted { color: var(--muted); }
.small { font-size: 14px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  overflow: hidden;
  font-size: 15px;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
}
th {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
tr:last-child td { border-bottom: none; }

footer.site {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--muted);
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--copper); }

/* Index page cards */
.doc-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.doc-link .card { transition: border-color 0.15s ease; }
.doc-link:hover .card { border-color: var(--copper); }
.doc-link h2 { margin: 0 0 6px; font-size: 20px; }