/* MCP-Bastion documentation guide — professional handbook chrome */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #1b1f24;
  --muted: #5c6570;
  --border: #d8dde3;
  --accent: #0b5fff;
  --accent-soft: #e8f0ff;
  --code-bg: #0f172a;
  --sidebar-w: 280px;
  --header-h: 56px;
  --font: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono: "Source Code Pro", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.docs-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: #0b1220;
  color: #fff;
  border-bottom: 1px solid #1e293b;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
}
.brand {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.version-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background: #1e3a8a;
  color: #dbeafe;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}
.header-links {
  margin-left: auto;
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}
.header-links a {
  color: #cbd5e1;
  text-decoration: none;
}
.header-links a:hover,
.header-links a.current { color: #fff; }

.docs-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-h));
}

.docs-sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: auto;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0.75rem 2rem;
}
.nav-group { margin-bottom: 1.25rem; }
.nav-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0 0.75rem;
  margin-bottom: 0.35rem;
}
.docs-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-nav a {
  display: block;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
}
.docs-nav a:hover { background: var(--accent-soft); color: var(--accent); }
.docs-nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.docs-main {
  padding: 2rem 2.5rem 4rem;
  max-width: 920px;
}
.article-header { margin-bottom: 1.5rem; }
.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.docs-article h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.docs-article h2 {
  margin-top: 2.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.docs-article h3 { margin-top: 1.5rem; font-size: 1.1rem; }
.docs-article p, .docs-article li { color: #243040; }
.docs-article a { color: var(--accent); }
.lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 42rem;
}
.callout {
  background: var(--accent-soft);
  border: 1px solid #c7d7fe;
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin: 1.25rem 0;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
}
.doc-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.doc-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(11, 95, 255, 0.08);
}
.doc-card h3 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--accent); }
.doc-card p { margin: 0; font-size: 0.9rem; color: var(--muted); }
.paths { padding-left: 1.25rem; }

.docs-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0;
  background: var(--surface);
}
.docs-article th, .docs-article td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.docs-article th { background: #eef2f7; font-weight: 600; }

.docs-article code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: #eef2f7;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.docs-article pre {
  background: var(--code-bg);
  color: #e2e8f0;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}
.docs-article pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.docs-article img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 1rem 0;
  background: #0f172a;
  display: block;
}

.docs-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: relative;
    top: 0;
    height: auto;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .docs-main { padding: 1.25rem 1rem 3rem; }
}