/* ============================================================
   RHDP Sandbox API Documentation
   Style inspired by ReadTheDocs / material docs
   ============================================================ */

:root {
  --red: #cc0000;
  --blue: #0066cc;
  --blue-light: #e8f0fb;
  --orange: #f57c00;
  --orange-light: #fff3e0;
  --green: #2e7d32;
  --green-light: #e8f5e9;
  --grey-light: #f5f5f5;
  --grey-border: #ddd;
  --sidebar-bg: #1e1e2e;
  --sidebar-text: #cdd6f4;
  --sidebar-active: #89b4fa;
  --sidebar-section: #585b70;
  --code-bg: #1e1e2e;
  --code-fg: #cdd6f4;
  --code-kw: #cba6f7;
  --code-str: #a6e3a1;
  --code-comment: #6c7086;
  --code-key: #89b4fa;
  --code-val: #f9e2af;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: #222;
  background: #fff;
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ──────────────────────────────────────────────── */

.sidebar {
  width: 270px;
  min-width: 270px;
  background: var(--sidebar-bg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
  scrollbar-width: thin;
  scrollbar-color: #444 var(--sidebar-bg);
}

.sidebar-logo {
  padding: 1.25rem 1.25rem 0.75rem;
  border-bottom: 1px solid #313244;
}

.sidebar-logo .product {
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.sidebar-logo .version {
  color: var(--sidebar-section);
  font-size: 0.75rem;
  margin-top: 0.1rem;
}

.sidebar-section-label {
  padding: 1rem 1.25rem 0.3rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sidebar-section);
}

.sidebar a {
  display: block;
  padding: 0.3rem 1.25rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.88rem;
  border-left: 3px solid transparent;
  transition: background 0.1s, color 0.1s;
}

.sidebar a:hover {
  background: #313244;
  color: #fff;
}

.sidebar a.page-link {
  font-weight: 500;
}

.sidebar a.page-link.active {
  color: var(--sidebar-active);
  border-left-color: var(--sidebar-active);
  background: #2a2a3e;
}

.sidebar a.sub-link {
  padding-left: 2rem;
  font-size: 0.82rem;
  color: #888;
}

.sidebar a.sub-link:hover { color: var(--sidebar-text); }

.sidebar a.sub-link.active {
  color: var(--sidebar-active);
  border-left-color: transparent;
}

/* ── MAIN CONTENT ─────────────────────────────────────────── */

.main {
  flex: 1;
  min-width: 0;
  max-width: 900px;
  padding: 2.5rem 3rem 6rem;
}

/* ── TYPOGRAPHY ───────────────────────────────────────────── */

h1 {
  font-size: 2rem;
  color: var(--red);
  border-bottom: 3px solid var(--red);
  padding-bottom: 0.5rem;
  margin-bottom: 0.4rem;
}

.subtitle {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.audience {
  display: inline-block;
  background: #f0f4ff;
  border: 1px solid #c8d8ff;
  color: #3550b0;
  font-size: 0.78rem;
  padding: 0.15em 0.6em;
  border-radius: 3px;
  margin-bottom: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: 1.45rem;
  color: var(--red);
  border-left: 5px solid var(--red);
  padding-left: 0.75rem;
  margin: 2.5rem 0 1rem;
}

h3 {
  font-size: 1.1rem;
  color: #333;
  margin: 1.75rem 0 0.5rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 0.25rem;
}

h4 {
  font-size: 0.95rem;
  color: #555;
  margin: 1rem 0 0.4rem;
  font-weight: 700;
}

p { margin: 0.6rem 0; }

ul, ol { margin: 0.5rem 0 0.5rem 1.5rem; }
li { margin: 0.25rem 0; }

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

hr { border: none; border-top: 1px solid #e0e0e0; margin: 2rem 0; }

/* ── CODE ─────────────────────────────────────────────────── */

pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 0.75rem 0 1.25rem;
  font-size: 0.84rem;
  line-height: 1.65;
  border: 1px solid #313244;
  position: relative;
}

code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}

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

/* inline code */
p code, li code, td code {
  background: #f0f0f0;
  color: #c00;
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-size: 0.88em;
}

/* syntax highlight spans */
.kw  { color: var(--code-kw); }
.str { color: var(--code-str); }
.cmt { color: var(--code-comment); font-style: italic; }
.key { color: var(--code-key); }
.val { color: var(--code-val); }
.op  { color: #89dceb; }

/* ── CALLOUTS ─────────────────────────────────────────────── */

.callout {
  border-radius: 6px;
  padding: 0.85rem 1.2rem;
  margin: 1rem 0;
  border-left: 4px solid;
  font-size: 0.92rem;
}

.callout strong { display: block; margin-bottom: 0.2rem; }

.callout-info    { background: var(--blue-light);   border-color: var(--blue);   color: #003080; }
.callout-warning { background: var(--orange-light); border-color: var(--orange); color: #7a3e00; }
.callout-success { background: var(--green-light);  border-color: var(--green);  color: #1b5e20; }
.callout-grey    { background: var(--grey-light);   border-color: #999;          color: #444; }

/* legacy aliases used in existing pages */
.callout-blue   { background: var(--blue-light);   border-color: var(--blue);   color: #003080; }
.callout-orange { background: var(--orange-light); border-color: var(--orange); color: #7a3e00; }
.callout-green  { background: var(--green-light);  border-color: var(--green);  color: #1b5e20; }

/* ── TABLES ───────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
}

thead tr { background: var(--red); color: #fff; }
thead th { padding: 0.6rem 0.9rem; text-align: left; font-weight: 600; }
tbody tr:nth-child(even) { background: #fafafa; }
tbody tr:hover { background: #f0f0f0; }
td { padding: 0.55rem 0.9rem; border-bottom: 1px solid #eee; vertical-align: top; }
td code, th code { background: #f0f0f0; color: #c00; padding: 0.1em 0.35em; border-radius: 3px; font-size: 0.88em; }

/* ── CARDS ────────────────────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1rem 0 1.5rem;
}

.card {
  border: 2px solid var(--grey-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}

.card.blue  { border-color: #2563eb; background: #eff6ff; }
.card.orange { border-color: #ea580c; background: #fff7ed; }
.card.green { border-color: #2e7d32; background: var(--green-light); }

.card h3 { border: none; margin-top: 0; font-size: 1rem; }
.card.blue h3  { color: #1e3a8a; }
.card.orange h3 { color: #7c2d12; }

/* legacy two-col / pattern-card classes */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin: 1rem 0; }
.col-box { background: #fafafa; border: 1px solid var(--grey-border); border-radius: 6px; padding: 1rem 1.2rem; }
.col-box h4 { margin-top: 0; font-style: normal; font-weight: 700; color: var(--red); }
.pattern-card { border: 2px solid var(--grey-border); border-radius: 8px; padding: 1.25rem 1.5rem; margin: 1rem 0; }
.pattern-card.blue { border-color: #2563eb; background: #eff6ff; }
.pattern-card.orange { border-color: #ea580c; background: #fff7ed; }
.pattern-card h3 { border: none; margin-top: 0; }
.pattern-card.blue h3 { color: #1e3a8a; }
.pattern-card.orange h3 { color: #7c2d12; }
.section-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #888; margin-bottom: 0.2rem; }

/* ── BADGES ───────────────────────────────────────────────── */

.badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15em 0.55em;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
  margin-left: 0.4rem;
}

.badge-red    { background: var(--red);    color: #fff; }
.badge-blue   { background: var(--blue);   color: #fff; }
.badge-green  { background: var(--green);  color: #fff; }
.badge-orange { background: var(--orange); color: #fff; }
.badge-grey   { background: #888;          color: #fff; }

/* ── TOC (page-level) ─────────────────────────────────────── */

.page-toc, .toc {
  background: #fafafa;
  border: 1px solid var(--grey-border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0 2rem;
  font-size: 0.88rem;
}

.page-toc ol, .toc ol { margin-left: 1.25rem; }
.page-toc li, .toc li { margin: 0.2rem 0; }
.toc h2 { font-size: 1rem; margin: 0 0 0.75rem; border: none; padding: 0; color: #444; text-transform: uppercase; letter-spacing: 0.05em; }

/* ── STEP INDICATOR ───────────────────────────────────────── */

.step-num {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15em 0.55em;
  border-radius: 3px;
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* ── SVG / DIAGRAMS ───────────────────────────────────────── */

.svg-wrap { overflow-x: auto; margin: 1rem 0 1.5rem; }
svg { max-width: 100%; height: auto; display: block; }

/* ── RESPONSIVE ───────────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { padding: 1.5rem; }
  .card-grid, .two-col { grid-template-columns: 1fr; }
}