/* intentsmd.org — protocol site styles
   Boring on purpose. The format is the product; the site is cat. */

:root {
  --ink: #1a1d21;
  --muted: #5c6570;
  --faint: #8b949e;
  --paper: #ffffff;
  --bg: #f6f7f8;
  --line: #e3e6e9;
  --accent: #0f6b4f;
  --accent-soft: #e7f3ef;
  --warn: #9a6700;
  --warn-soft: #fff3d6;
  --danger: #b42318;
  --danger-soft: #fdebe9;
  --code-bg: #f0f2f4;
  --maxw: 62rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

/* ---- chrome ---- */
.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.1rem 1.5rem 0;
}
.brand {
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand-mark { margin-right: 0.35rem; }
.brand-dot { color: var(--accent); }
.site-nav a {
  margin-left: 1.2rem;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--accent); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3.5rem;
}

.site-foot {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.site-foot p { margin: 0.4rem 0; }

/* ---- page heads ---- */
.page-head { margin: 1.5rem 0 2.5rem; }
.page-head h1 {
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}
.page-head p { color: var(--muted); max-width: 46rem; margin: 0.4rem 0; }

/* ---- documents ---- */
.doc {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2.2rem 2.6rem;
  margin: 0 0 2rem;
}
.hero.doc { padding: 2.6rem 2.8rem 2.2rem; }

.doc h1 {
  letter-spacing: -0.03em;
  margin-top: 0;
}
.doc h1, .doc h2 { border-bottom: 1px solid var(--line); padding-bottom: 0.4rem; }
.doc table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.doc th, .doc td {
  border: 1px solid var(--line);
  padding: 0.45rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.doc th { background: var(--code-bg); }
.doc code {
  background: var(--code-bg);
  padding: 0.12em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}
.doc pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.5;
}
.doc pre code { background: none; padding: 0; }
.doc blockquote {
  margin: 1rem 0;
  padding: 0.2rem 1.2rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

/* ---- spec page ---- */
.spec-toc {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
}
.spec-toc li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0.9rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 0.5rem;
}
.spec-toc a { font-weight: 600; text-decoration: none; color: var(--ink); }
.spec-toc a:hover { color: var(--accent); }
.toc-status, .status-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}
.status-badge.normative, .toc-status.normative { background: var(--accent-soft); color: var(--accent); }
.status-badge.nonnormative, .toc-status.nonnormative { background: var(--warn-soft); color: var(--warn); }
.version-badge {
  font-size: 0.8rem;
  color: var(--faint);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.spec-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 3rem 0 1rem;
}
.spec-head h2 { margin: 0; letter-spacing: -0.02em; border: none; padding: 0; }
.backtop { text-align: right; font-size: 0.85rem; }
.backtop a { color: var(--faint); text-decoration: none; }
.backtop a:hover { color: var(--accent); }

/* ---- examples ---- */
.example { margin-bottom: 3rem; }
.example h2 { letter-spacing: -0.02em; }
.example h2 code { font-size: 1.05rem; background: var(--code-bg); }
.example-note { color: var(--muted); margin-top: -0.4rem; }
.example-hostile .example-note { color: var(--danger); }
.hostile-flag { color: var(--danger); }
.example-hostile h2 code { background: var(--danger-soft); }

.example-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 900px) { .example-grid { grid-template-columns: 1fr; } }
.pane h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin: 0 0 0.5rem;
}
.raw-doc {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  font-size: 0.82rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre-wrap;
  margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.intent-doc {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.ih { border-bottom: 1px solid var(--line); background: var(--code-bg); }
.ih-row {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 0.8rem;
  padding: 0.3rem 1.2rem;
  font-size: 0.88rem;
}
.ih-k {
  color: var(--faint);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.ih-v { color: var(--ink); font-weight: 500; }
.ib { padding: 1rem 1.4rem; font-size: 0.95rem; }
.ib p { margin: 0.6rem 0; }
.sig-block {
  background: var(--code-bg);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  font-size: 0.78rem;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* ---- vectors ---- */
.run-block {
  background: #14171a;
  color: #d8e0e6;
  border-radius: 8px;
  padding: 1rem 1.4rem;
  font-size: 0.86rem;
  overflow-x: auto;
}
.vec-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  margin: 1rem 0;
}
.vec-table { border-collapse: collapse; width: 100%; background: var(--paper); }
.vec-table th, .vec-table td {
  border: 1px solid var(--line);
  padding: 0.35rem 0.7rem;
  font-size: 0.88rem;
  text-align: left;
}
.vec-table th { background: var(--code-bg); }

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