:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --bg: #0f1117;
  --bg-elevated: #171a22;
  --bg-code: #1e2230;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --sidebar-w: 280px;
  --radius: 10px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  padding: 0 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}
.brand img { max-height: 36px; margin-bottom: 0.5rem; }
.brand h1 { font-size: 1.1rem; margin: 0; font-weight: 700; }
.brand p { margin: 0.25rem 0 0; font-size: 0.8rem; color: var(--text-muted); }

.nav-group { padding: 0.5rem 0.75rem 0.25rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.nav-link {
  display: block;
  padding: 0.45rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-left: 3px solid transparent;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.03); text-decoration: none; }
.nav-link.active { color: var(--text); border-left-color: var(--primary); background: rgba(249,115,22,0.08); }

.main { padding: 2rem 2.5rem 4rem; max-width: 920px; }
.main h2 { font-size: 1.75rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.main h3 { font-size: 1.15rem; margin: 2rem 0 0.75rem; }
.main p, .main li { color: #d4d4d8; }
.lead { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 1.5rem; }

.prose-block { margin-bottom: 1.5rem; }
.prose-block p { margin: 0.65rem 0; }
.prose-block ul,
.prose-block ol { margin: 0.5rem 0 1rem; padding-left: 1.35rem; }
.prose-block li { margin-bottom: 0.35rem; }
.prose-block h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; color: var(--text); font-weight: 600; }
.prose-block h3:first-child { margin-top: 0; }

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 1.75rem 0 0.65rem;
  font-weight: 600;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  margin-right: 0.5rem;
  vertical-align: middle;
}
.badge-get { background: #14532d; color: #bbf7d0; }
.badge-post { background: #1e3a8a; color: #bfdbfe; }
.badge-put { background: #713f12; color: #fde68a; }
.badge-patch { background: #581c87; color: #e9d5ff; }
.badge-delete { background: #7f1d1d; color: #fecaca; }

.endpoint-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 1.25rem 0;
  overflow: hidden;
  background: var(--bg-elevated);
}
.endpoint-head {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.endpoint-body { padding: 1rem; }
.endpoint-body h4 { margin: 0 0 0.5rem; font-size: 0.85rem; color: var(--text-muted); }

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  margin: 0.5rem 0 0;
}

.code-block {
  position: relative;
  margin: 0.5rem 0 0;
}
.code-block > pre {
  margin: 0;
  padding-top: 2.35rem;
}
.code-copy-btn {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 1;
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.92);
  color: #e2e8f0;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: ui-sans-serif, system-ui, sans-serif;
  padding: 0.28rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1.2;
}
.code-copy-btn:hover {
  border-color: var(--primary);
  color: #fff;
}
.code-copy-btn.is-copied {
  border-color: #22c55e;
  color: #86efac;
}
.code-block-curl .code-copy-btn {
  background: rgba(249, 115, 22, 0.15);
  border-color: rgba(249, 115, 22, 0.35);
  color: #fdba74;
}
.code-block-curl .code-copy-btn:hover,
.code-block-curl .code-copy-btn.is-copied {
  background: rgba(249, 115, 22, 0.28);
  color: #fff;
}
code { font-family: var(--mono); font-size: 0.85em; }

.callout {
  border-left: 4px solid var(--primary);
  background: rgba(249,115,22,0.08);
  padding: 0.85rem 1rem;
  border-radius: 0 8px 8px 0;
  margin: 1rem 0;
  font-size: 0.9rem;
}
.callout-warn { border-left-color: #eab308; background: rgba(234,179,8,0.08); }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 0.75rem 0; }
th, td { text-align: left; padding: 0.55rem 0.65rem; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; }

.hidden { display: none; }

/* Billing extras */
.endpoint-path {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 500;
  vertical-align: middle;
}
.perm-chip {
  display: inline-block;
  font-size: 0.72rem;
  font-family: var(--mono);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: rgba(217, 119, 6, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.25);
  margin: 0.15rem 0.25rem 0.15rem 0;
}
.callout-ok {
  border-left-color: #22c55e;
  background: rgba(34, 197, 94, 0.08);
}
.col-name { width: 22%; }
.col-type { width: 14%; color: var(--text-muted); font-family: var(--mono); font-size: 0.8rem; }
.col-req { width: 12%; }
.pill {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}
.pill-req { background: rgba(239, 68, 68, 0.15); color: #fca5a5; }
.pill-opt { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
.stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  background: var(--bg-elevated);
}
.stat-card strong { display: block; font-size: 0.85rem; margin-bottom: 0.25rem; }
.stat-card span { font-size: 0.82rem; color: var(--text-muted); }

.nav-module {
  padding: 0.85rem 1.25rem 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
}
.overview-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.25rem 0;
}
@media (max-width: 700px) {
  .overview-cards { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
.overview-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
}
.overview-card h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.overview-card p { margin: 0 0 0.65rem; font-size: 0.88rem; color: var(--text-muted); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .main { padding: 1.25rem; }
}