/* MCN — Agent-first stylesheet
   Palette: neutral surfaces, machine-event accent (teal).
   Designed for high readability and predictable DOM structure. */

:root {
  --bg: #f7f7f5;
  --bg-elev: #ffffff;
  --fg: #1a1a1a;
  --fg-soft: #555;
  --fg-faint: #8a8a8a;
  --border: #e2e2dd;
  --border-strong: #c8c8c0;
  --accent: #0c8f8f;        /* teal — for machine events */
  --accent-faint: #d8f0f0;
  --warn: #b04a00;
  --good: #2e7d32;
  --code-bg: #f1f1ed;
  --maxw: 1100px;
  --pad: 24px;
}

* { box-sizing: border-box; }

html { font-family: -apple-system, "SF Pro Text", "Inter", system-ui, sans-serif;
       font-size: 16px; line-height: 1.5; color: var(--fg); background: var(--bg); }

body { margin: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

main { max-width: var(--maxw); margin: 0 auto; padding: 32px var(--pad); }

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
header.site .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand small { color: var(--fg-faint); font-weight: 400; margin-left: 6px; }
nav.primary ul { display: flex; gap: 18px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
nav.primary a { color: var(--fg); font-size: 0.94rem; }

h1 { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; margin: 28px 0 10px; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 22px 0 6px; }
p { margin: 0 0 12px; }

.subtitle { color: var(--fg-soft); margin: 0 0 24px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0 28px; }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px;
}
.card .num { font-size: 1.6rem; font-weight: 700; color: var(--accent); }
.card .lbl { color: var(--fg-soft); font-size: 0.92rem; }

table.feed {
  width: 100%; border-collapse: collapse; margin: 12px 0 24px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden;
}
table.feed th, table.feed td {
  text-align: left; padding: 8px 12px; font-size: 0.92rem;
  border-bottom: 1px solid var(--border); vertical-align: top;
}
table.feed thead th {
  background: var(--bg); color: var(--fg-soft); font-weight: 600;
  font-size: 0.84rem; text-transform: uppercase; letter-spacing: 0.04em;
}
table.feed tbody tr:last-child td { border-bottom: 0; }
table.feed code { font-size: 0.86rem; }

.badge {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 500;
  background: var(--accent-faint); color: var(--accent);
}
.badge.warn { background: #fdebd0; color: var(--warn); }
.badge.good { background: #e6f3e8; color: var(--good); }
.badge.muted { background: #ececea; color: var(--fg-soft); }

.note {
  border-left: 3px solid var(--accent);
  padding: 10px 14px; background: var(--bg-elev);
  border-radius: 0 6px 6px 0; margin: 14px 0;
}
.note.warn { border-left-color: var(--warn); background: #fdf4ec; }

pre, code { font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace; }
pre { background: var(--code-bg); padding: 12px 14px; border-radius: 6px; overflow-x: auto; font-size: 0.88rem; line-height: 1.55; }
code.inline { background: var(--code-bg); padding: 1px 5px; border-radius: 3px; font-size: 0.88em; }

dl.schema { margin: 12px 0; padding: 12px 14px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; }
dl.schema dt { font-weight: 600; margin-top: 8px; }
dl.schema dt:first-child { margin-top: 0; }
dl.schema dd { margin: 2px 0 0 18px; color: var(--fg-soft); }

footer.site {
  border-top: 1px solid var(--border); background: var(--bg-elev);
  margin-top: 60px;
}
footer.site .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px var(--pad);
  color: var(--fg-soft); font-size: 0.88rem;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
footer.site a { color: var(--fg-soft); }

/* Accessibility */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --bg-elev: #1c1f24; --fg: #e8e8e6; --fg-soft: #b1b1ad;
    --fg-faint: #767672; --border: #2b2e34; --border-strong: #3a3e44;
    --accent: #4cd0d0; --accent-faint: #1f3336; --code-bg: #1a1d22;
  }
  a:hover { filter: brightness(1.1); }
}