/* Alexandria Docs Theme - Light Blue & Violet */
:root {
  --bg: #f6f9ff;            /* very light blue background */
  --surface: #ffffff;        /* white cards */
  --text: #1f2341;           /* dark indigo text */
  --muted: #6b7280;          /* gray-600 */
  --primary: #6c63ff;        /* violet */
  --primary-600: #5a52e6;
  --link: #3b82f6;           /* blue-500 */
  --link-600: #2563eb;       /* blue-600 */
  --border: #e5e7eb;         /* gray-200 */
  --code-bg: #eef2ff;        /* indigo-50 */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Nunito', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  color: var(--text);
  background: linear-gradient(180deg, var(--bg), #ffffff);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.navbar-brand {
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--primary);
}
.navbar-links a {
  margin-left: 14px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
}
.navbar-links a:hover {
  background: var(--code-bg);
  color: var(--primary-600);
}
.navbar-links a.active {
  background: var(--code-bg);
  color: var(--primary-600);
}

/* Layout */
.container {
  max-width: 920px;
  margin: 28px auto;
  padding: 0 18px;
}
.doc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(108,99,255,0.06);
}

/* Typography */
.doc h1, .post-title { font-size: 2rem; margin: 0 0 12px; color: var(--primary-600); }
.doc h2 { font-size: 1.375rem; margin-top: 24px; color: var(--text); }
.doc h3 { font-size: 1.1rem; margin-top: 18px; color: var(--text); }
.doc p { line-height: 1.7; color: var(--text); }
.post-meta { color: var(--muted); margin-top: -6px; margin-bottom: 20px; }

a { color: var(--link); }
a:hover { color: var(--link-600); }

/* Code blocks */
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  overflow: auto;
}
code { background: #f8fafc; padding: 2px 6px; border-radius: 6px; border: 1px solid var(--border); }

/* Lists */
ul, ol { padding-left: 22px; }

/* Footer */
.footer {
  margin: 36px auto 24px;
  max-width: 920px;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0 18px;
}
.footer a { color: var(--link); }

/* Images */
img { max-width: 100%; height: auto; border-radius: 10px; }

/* Tables (if any) */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.table th { background: var(--code-bg); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #eef2ff 0%, #f6f9ff 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 10px 28px rgba(37,99,235,0.07);
}
.hero h1 { font-size: 2.4rem; margin: 0 0 8px; color: var(--primary-600); }
.hero .subtitle { font-size: 1.1rem; color: var(--muted); margin: 0 0 16px; }
.cta { display: flex; gap: 10px; margin-bottom: 10px; }
.btn { display: inline-block; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); color: var(--text); text-decoration: none; background: #fff; font-weight: 700; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary-600); }
.btn:hover { filter: brightness(0.98); }
.hero-img { width: 100%; height: auto; }

/* Feature grid */
.features { margin-top: 28px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: 0 8px 24px rgba(108,99,255,0.06); }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); }

/* How it works */
.how-it-works { margin-top: 28px; }
.how-it-works img { margin: 10px 0 6px; border: 1px dashed var(--border); background: #fbfdff; }

/* Sidebar docs layout */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
}
.docs-sidebar {
  position: sticky;
  top: 72px; /* below navbar */
  align-self: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.docs-sidebar h3 {
  margin: 6px 0 10px;
  font-size: 0.95rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.nav-tree { list-style: none; padding: 0; margin: 0; }
.nav-tree li { margin: 6px 0; }
.nav-tree a { text-decoration: none; color: var(--text); padding: 6px 8px; border-radius: 8px; display: block; font-weight: 600; }
.nav-tree a:hover { background: var(--code-bg); color: var(--primary-600); }
.nav-tree .sub { list-style: none; padding-left: 14px; margin: 6px 0; }
.nav-tree .sub a { font-weight: 500; }
.nav-tree .active { color: var(--primary-600); background: var(--code-bg); }

/* Small devices */
@media (max-width: 640px) {
  .navbar { flex-direction: column; align-items: flex-start; }
  .navbar-links { display: flex; flex-wrap: wrap; }
  .navbar-links a { margin: 6px 8px 0 0; }
  .hero { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: relative; top: 0; }
}