/* Agent Rooms docs theme — Beronel dark/cyan. Self-contained, no web fonts
   required (system stack), with a JetBrains-ish mono fallback for code/eyebrows. */

:root {
  --bg: #05070f;
  --bg-2: #0b1020;
  --panel: rgba(11, 16, 32, 0.55);
  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.06);
  --text: #f8fafc;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --accent: #38bdf8;
  --accent-2: #7dd3fc;
  --accent-3: #0ea5e9;
  --green: #22c55e;
  --amber: #fbbf24;
  --red: #f87171;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(56, 189, 248, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: var(--mono); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.72em; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--accent); color: #05070f; padding: 8px 12px; border-radius: 8px; z-index: 100; }

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 16px;
  height: 58px; padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 22, 0.82);
  backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); font-size: 14px; }
.brand-name { letter-spacing: -0.01em; }
.brand-docs { color: var(--accent); font-weight: 500; }
.topbar-links { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 13.5px; }
.topbar-links a { color: var(--muted); }
.topbar-links a:hover { color: var(--text); text-decoration: none; }
.topbar-links .cta {
  padding: 7px 14px; border-radius: 10px; color: #05070f; font-weight: 600;
  background: linear-gradient(135deg, var(--accent-2), var(--accent) 45%, var(--accent-3));
}
.menu-toggle { display: none; margin-left: auto; background: transparent; border: 1px solid var(--line); color: var(--text); border-radius: 8px; width: 38px; height: 38px; font-size: 16px; cursor: pointer; }

/* Layout */
.layout { display: flex; align-items: flex-start; max-width: 1240px; margin: 0 auto; }
.sidebar {
  position: sticky; top: 58px; flex: none; width: 270px;
  height: calc(100vh - 58px); overflow-y: auto;
  padding: 22px 16px 60px; border-right: 1px solid var(--line-soft);
}
#nav-filter {
  width: 100%; margin-bottom: 16px; padding: 8px 11px; font-size: 13px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 9px; color: var(--text);
}
#nav-filter::placeholder { color: var(--muted-2); }
.nav-group { margin-bottom: 18px; }
.nav-group-title { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); opacity: 0.85; margin: 0 0 8px 8px; }
.nav-link { display: block; padding: 6px 10px; font-size: 13.5px; color: var(--muted); border-radius: 8px; line-height: 1.35; }
.nav-link:hover { color: var(--text); background: rgba(56, 189, 248, 0.06); text-decoration: none; }
.nav-link.active { color: var(--text); background: rgba(56, 189, 248, 0.1); box-shadow: inset 2px 0 0 var(--accent); }

/* Content */
.content { flex: 1; min-width: 0; padding: 38px 48px 80px; }
article { max-width: 760px; }
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 14px; }
h2 { font-size: 21px; letter-spacing: -0.01em; margin: 38px 0 12px; padding-top: 8px; }
h3 { font-size: 16.5px; margin: 26px 0 8px; }
.lede { font-size: 18px; color: #cbd5e1; margin: 0 0 18px; line-height: 1.55; }
.audience { font-size: 13px; color: var(--muted); border-left: 2px solid var(--accent); padding-left: 12px; margin: 0 0 26px; }
.audience .mono { color: var(--accent); }
p, ul, ol { margin: 0 0 14px; }
li { margin: 4px 0; }
strong { color: #e7eef7; }
hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }

/* Heading anchors */
h2, h3 { position: relative; }
.anchor { position: absolute; left: -20px; color: var(--muted-2); opacity: 0; text-decoration: none; padding-right: 6px; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }

/* Code */
code { font-family: var(--mono); font-size: 0.86em; background: rgba(56, 189, 248, 0.1); color: #bae6fd; padding: 2px 6px; border-radius: 6px; letter-spacing: 0; text-transform: none; }
pre { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; overflow-x: auto; margin: 0 0 18px; }
pre code { background: transparent; color: #d8e3f0; padding: 0; font-size: 13px; line-height: 1.6; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 14px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
th { color: var(--accent); font-weight: 600; font-size: 12.5px; letter-spacing: 0.02em; }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

/* Callouts via blockquote */
blockquote { margin: 0 0 18px; padding: 12px 16px; border-left: 3px solid var(--accent); background: rgba(56, 189, 248, 0.06); border-radius: 0 10px 10px 0; color: #cbd5e1; }
blockquote p:last-child { margin-bottom: 0; }

.page-footer { max-width: 760px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; font-size: 12.5px; color: var(--muted-2); }

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .topbar-links { display: none; }
  .sidebar { position: fixed; left: 0; top: 58px; z-index: 30; width: 280px; background: var(--bg-2); transform: translateX(-100%); transition: transform 0.2s; }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 28px 22px 70px; }
  .anchor { display: none; }
}