/* Pramana docs — shared stylesheet
   Canonical source: pramana/docs/style.css
   This copy adds API-specific extensions at the bottom. */
:root {
  --bg: #0a0a0f;
  --bg-card: #111118;
  --bg-nav: #0d0d14;
  --border: #1e1e2e;
  --text: #e4e4e7;
  --text-dim: #a1a1aa;
  --text-muted: #52525b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --nav-width: 240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

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

/* Layout */
.layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  background: var(--bg-nav);
  border-right: 1px solid var(--border);
  padding: 32px 0;
  overflow-y: auto;
  z-index: 100;
}

nav .logo {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

nav .logo a {
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  text-decoration: none;
}

nav .logo .sanskrit {
  display: block;
  font-family: serif;
  font-size: 0.75rem;
  color: var(--accent);
  opacity: 0.4;
  margin-top: 2px;
}

nav ul {
  list-style: none;
  padding: 0 12px;
}

nav li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--text-dim);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

nav li a:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--text);
  text-decoration: none;
}

nav li a.active {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-light);
}

nav .nav-section {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 16px 12px 6px;
}

nav .ext-links {
  padding: 16px 12px 0;
  margin-top: 16px;
  border-top: 1px solid var(--border);
}

nav .ext-links a {
  display: block;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Main content */
main {
  margin-left: var(--nav-width);
  flex: 1;
  max-width: 820px;
  padding: 48px 48px 96px;
}

/* Typography */
h1 {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: #fff;
}

h1 .dim {
  color: var(--text-muted);
  font-weight: 400;
}

.page-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

h2 {
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  margin-top: 48px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 32px;
  margin-bottom: 8px;
}

p {
  color: var(--text-dim);
  margin-bottom: 16px;
}

/* Code */
code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: rgba(99, 102, 241, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-light);
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 12px 0 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.9rem;
}

th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

td {
  color: var(--text-dim);
}

td code {
  font-size: 0.8rem;
}

/* Callouts */
.callout {
  border-left: 3px solid var(--accent);
  background: rgba(99, 102, 241, 0.05);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 6px 6px 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.callout.warn {
  border-left-color: var(--amber);
  background: rgba(245, 158, 11, 0.05);
}

.callout strong {
  color: var(--text);
}

/* Lists */
ul, ol {
  margin: 8px 0 16px 24px;
  color: var(--text-dim);
}

li {
  margin-bottom: 4px;
}

/* Source links */
.src {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Status badges */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.badge.green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge.amber { background: rgba(245,158,11,0.15); color: var(--amber); }
.badge.red { background: rgba(239,68,68,0.15); color: var(--red); }

/* ASCII diagrams */
.diagram {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 16px 0 24px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
  white-space: pre;
  overflow-x: auto;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  nav {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  nav.open {
    transform: translateX(0);
  }

  main {
    margin-left: 0;
    padding: 64px 20px 80px;
  }

  h1 { font-size: 1.5rem; }
  pre { font-size: 0.8rem; }
}

/* ===== API-specific extensions ===== */

/* Formula blocks (methodology page) */
.formula {
  background: rgba(99, 102, 241, 0.05);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  margin: 16px 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  overflow-x: auto;
  line-height: 1.8;
  color: var(--text);
  border-radius: 0 6px 6px 0;
}

/* Endpoint blocks (API reference page) */
.endpoint {
  margin: 24px 0 12px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
}

.endpoint .method {
  font-weight: 700;
  margin-right: 8px;
}

.method-post { color: var(--green); }
.method-get { color: var(--accent-light); }
.method-delete { color: var(--red); }