:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --soft: #f8fafc;
  --accent: #1d4ed8;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 6px 10px; border: 1px solid var(--line); }
header.site {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--soft);
}
header.site .brand { font-weight: 700; color: var(--ink); }
header.site .top a { margin-left: 16px; font-size: 14px; }
main { max-width: 900px; margin: 0 auto; padding: 24px 20px 64px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.crumbs .sep { color: var(--line); margin: 0 6px; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 1.25rem; margin: 0 0 10px; }
h3 { font-size: 1rem; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.badge {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .02em;
  color: #065f46; background: #d1fae5; border: 1px solid #a7f3d0;
  padding: 2px 10px; border-radius: 999px; margin: 0 0 12px;
}
.summary { font-size: 1.05rem; color: #334155; margin: 0 0 16px; }
.cta { margin: 0 0 20px; font-weight: 600; }
.logic {
  display: flex; gap: 12px; align-items: baseline;
  background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 8px;
  padding: 12px 16px; margin: 0 0 24px;
}
.logic-k { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.logic-v { font-size: 1.4rem; font-weight: 700; }
.block { margin: 0 0 32px; }
.lead { color: var(--muted); margin: 0 0 10px; }
.note { color: #334155; background: var(--soft); border-left: 3px solid var(--line); padding: 10px 14px; border-radius: 0 6px 6px 0; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
thead th { background: var(--soft); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
table.specs th { width: 30%; white-space: nowrap; }
td.num, td.name, .name { font-variant-numeric: tabular-nums; }
td.name { font-weight: 600; white-space: nowrap; }
td.num { color: var(--muted); }
td.fn { color: var(--muted); }
.muted { color: var(--muted); font-weight: 400; font-size: 13px; }
ul.sources, ul.related, ul.boardlist { list-style: none; padding: 0; margin: 0; }
ul.sources li, ul.related li, ul.boardlist li { padding: 6px 0; border-bottom: 1px solid var(--line); }
ul.boardlist li { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; justify-content: space-between; }
.sources .kind {
  display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; margin-right: 6px;
}
section.docs table.specs th { width: 22%; }
pre.ai {
  background: var(--soft); border: 1px solid var(--line); border-radius: 6px;
  padding: 14px 16px; margin: 0; color: #1e293b; font-size: 13px; line-height: 1.55;
  white-space: pre-wrap; word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
footer.site { border-top: 1px solid var(--line); padding: 20px; color: var(--muted); font-size: 13px; max-width: 900px; margin: 0 auto; }
@media (max-width: 640px) { h1 { font-size: 1.5rem; } main { padding: 16px 14px 48px; } }