/* ad-engine-docs.css — Ad Sales Engine developer documentation styles.
   Owns: docs layout, sidebar TOC, code blocks, section cards.
   Does NOT own: sidebar nav (see sidebar.css), app-shell layout. */

/* ── Variables ────────────────────────────────────────── */
:root {
  --doc-bg: #000000;
  --doc-card: #1A1A1A;
  --doc-border: #2A2A2A;
  --doc-coral: #FF4D6D;
  --doc-cyan: #00F2EA;
  --doc-text: #E0E0E0;
  --doc-muted: #888;
  --doc-code-bg: #111;
  --doc-code-border: #333;
}

/* ── Page layout ──────────────────────────────────────── */
.docs-layout {
  display: flex;
  gap: 0;
  min-height: 100vh;
  background: var(--doc-bg);
}

.docs-toc {
  position: sticky;
  top: 0;
  width: 240px;
  min-width: 240px;
  height: 100vh;
  overflow-y: auto;
  padding: 2rem 1rem 2rem 1.25rem;
  border-right: 1px solid var(--doc-border);
  background: var(--doc-bg);
  scrollbar-width: thin;
  scrollbar-color: #333 transparent;
}

.docs-toc-title {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--doc-muted);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--doc-border);
}

.docs-toc a {
  display: block;
  font-size: 0.8125rem;
  color: var(--doc-muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  line-height: 1.4;
}
.docs-toc a:hover,
.docs-toc a.active {
  color: #fff;
  background: rgba(255,255,255,0.04);
}
.docs-toc a.active {
  color: var(--doc-coral);
  border-left: 2px solid var(--doc-coral);
  padding-left: calc(0.5rem - 2px);
}

/* ── Main content ─────────────────────────────────────── */
.docs-content {
  flex: 1;
  max-width: 820px;
  padding: 3rem 2.5rem 5rem;
}

/* ── Hero header ──────────────────────────────────────── */
.docs-hero {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--doc-border);
}
.docs-badge {
  display: inline-block;
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255,77,109,0.1);
  color: var(--doc-coral);
  border: 1px solid rgba(255,77,109,0.3);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 1rem;
}
.docs-title {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 0.5rem;
}
.docs-subtitle {
  font-size: 1.0625rem;
  color: var(--doc-text);
  line-height: 1.6;
  margin: 0;
}
.docs-version {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--doc-muted);
  font-family: 'Courier New', monospace;
}

/* ── Sections ─────────────────────────────────────────── */
.docs-section {
  margin-bottom: 3rem;
  scroll-margin-top: 2rem;
}
.docs-section h2 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.docs-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255,77,109,0.12);
  color: var(--doc-coral);
  font-size: 0.8125rem;
  font-weight: 700;
  flex-shrink: 0;
}
.docs-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin: 1.5rem 0 0.5rem;
}
.docs-section p,
.docs-section li {
  font-size: 0.9375rem;
  color: var(--doc-text);
  line-height: 1.7;
}
.docs-section ul {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}
.docs-section li {
  margin-bottom: 0.35rem;
}

/* ── Code blocks ──────────────────────────────────────── */
.docs-code-wrap {
  background: var(--doc-code-bg);
  border: 1px solid var(--doc-code-border);
  border-radius: 8px;
  overflow: hidden;
  margin: 1rem 0;
}
.docs-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--doc-code-border);
}
.docs-code-lang {
  font-family: 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--doc-coral);
  letter-spacing: 0.08em;
}
.docs-code-copy {
  background: none;
  border: 1px solid var(--doc-border);
  color: var(--doc-muted);
  font-size: 0.6875rem;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.docs-code-copy:hover {
  color: #fff;
  border-color: #555;
}
pre.docs-pre {
  margin: 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--doc-text);
  tab-size: 2;
}
pre.docs-pre .kw { color: var(--doc-coral); }
pre.docs-pre .str { color: #7EC8E3; }
pre.docs-pre .cm { color: #555; font-style: italic; }
pre.docs-pre .fn { color: var(--doc-cyan); }
pre.docs-pre .num { color: #E8A87C; }
pre.docs-pre .op { color: #888; }
pre.docs-pre .typ { color: #C9A0DC; }

/* ── HTTP method badges ───────────────────────────────── */
.http-method {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 0.5rem;
  vertical-align: middle;
}
.http-method.get { background: rgba(0,242,234,0.15); color: var(--doc-cyan); }
.http-method.post { background: rgba(255,77,109,0.15); color: var(--doc-coral); }

.http-endpoint {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: #fff;
}

/* ── Cards ────────────────────────────────────────────── */
.docs-card {
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
}
.docs-card h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 0.35rem;
}
.docs-card p {
  font-size: 0.875rem;
  color: var(--doc-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Module grid ──────────────────────────────────────── */
.docs-module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}
.docs-module-card {
  background: var(--doc-card);
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.docs-module-card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--doc-coral);
  margin: 0 0 0.25rem;
}
.docs-module-card p {
  font-size: 0.8125rem;
  color: var(--doc-muted);
  margin: 0;
  line-height: 1.4;
}

/* ── Event type table ─────────────────────────────────── */
.docs-table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
}
.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.docs-table th {
  text-align: left;
  padding: 0.6rem 1rem;
  background: rgba(255,255,255,0.03);
  color: var(--doc-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--doc-border);
}
.docs-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--doc-border);
  color: var(--doc-text);
}
.docs-table code {
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  background: rgba(255,77,109,0.08);
  color: var(--doc-coral);
  padding: 1px 6px;
  border-radius: 3px;
}

/* ── Split bar ────────────────────────────────────────── */
.docs-split-bar {
  display: flex;
  height: 32px;
  border-radius: 6px;
  overflow: hidden;
  margin: 1rem 0 0.5rem;
}
.docs-split-creator {
  background: var(--doc-coral);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}
.docs-split-platform {
  background: var(--doc-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #000;
}
.docs-split-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--doc-muted);
}

/* ── Architecture tree ────────────────────────────────── */
.docs-tree {
  background: var(--doc-code-bg);
  border: 1px solid var(--doc-code-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--doc-text);
  overflow-x: auto;
  margin: 1rem 0;
}
.docs-tree .dir { color: var(--doc-cyan); font-weight: 700; }
.docs-tree .file { color: var(--doc-text); }

/* ── Brand safety meter ───────────────────────────────── */
.docs-meter-track {
  height: 8px;
  background: #222;
  border-radius: 4px;
  overflow: hidden;
  margin: 0.75rem 0 0.25rem;
}
.docs-meter-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--doc-coral) 0%, var(--doc-cyan) 100%);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 960px) {
  .docs-toc { display: none; }
  .docs-content { padding: 2rem 1.25rem 4rem; max-width: 100%; }
}

@media (max-width: 480px) {
  .docs-content { padding: 1.5rem 1rem 3rem; }
  .docs-module-grid { grid-template-columns: 1fr; }
  pre.docs-pre { font-size: 0.75rem; padding: 0.75rem 1rem; }
}