/* ROKI Docs — v3.0 */
:root {
  --bg: #0a0a0f;
  --bg-elev: #13131a;
  --bg-elev-2: #1a1a24;
  --border: #25252f;
  --border-strong: #34343f;
  --text: #e8e8ee;
  --text-dim: #a4a4b0;
  --text-muted: #6e6e7a;
  --accent: #e94560;
  --accent-soft: rgba(233, 69, 96, 0.12);
  --accent-border: rgba(233, 69, 96, 0.35);
  --header-h: 64px;
  --sidebar-w: 280px;
  --toc-w: 240px;
  --maxw: 760px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--header-h);
  padding: 0 24px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.menu-toggle:hover { border-color: var(--accent-border); color: var(--accent); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  white-space: nowrap;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.brand-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 3px 7px;
  border-radius: 5px;
  text-transform: uppercase;
}
.header-spacer { flex: 1; }
.header-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.header-link:hover { color: var(--text); background: var(--bg-elev); }

/* HOME button — persistent escape hatch back to public site, always visible */
.docs-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  font-family: var(--font-mono, 'JetBrains Mono', ui-monospace, Menlo, monospace);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--accent, #e75a4a);
  background: transparent;
  border: 1.5px solid rgba(231,90,74,0.5);
  border-radius: 6px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
  white-space: nowrap;
}
.docs-home-btn svg { display: block; }
.docs-home-btn:hover {
  background: var(--accent, #e75a4a);
  color: #15110e;
  border-color: var(--accent, #e75a4a);
}
.docs-home-btn:active { transform: translateY(1px); }

/* LAYOUT */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  align-items: start;
  gap: 0;
  max-width: 1440px;
  margin: 0 auto;
}
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
}
.sidebar-overlay.open { display: block; }

/* SIDEBAR */
.sidebar {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 28px 18px 40px 24px;
  border-right: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.sidebar-section {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 12px 10px;
  margin-top: 18px;
}
.sidebar-section:first-child { margin-top: 0; }
.sidebar > a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 7px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.sidebar > a:hover { color: var(--text); background: var(--bg-elev); }
.sidebar > a.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-left-color: var(--accent);
}
.sidebar-num {
  flex-shrink: 0;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  min-width: 32px;
  padding-top: 2px;
}
.sidebar > a.active .sidebar-num { color: var(--accent); }

/* CONTENT */
.content {
  min-width: 0;
  padding: 56px 64px 96px;
}
.content > * { max-width: var(--maxw); }
.content > .table-wrap { max-width: 100%; }

.crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.crumbs a { color: var(--text-muted); }
.crumbs a:hover { color: var(--accent); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  padding: 5px 10px;
  border-radius: 5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.page-title, .content h1 {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 28px;
}

.content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 56px 0 18px;
  scroll-margin-top: calc(var(--header-h) + 16px);
  position: relative;
}
.content h2 .anchor {
  position: absolute;
  left: -24px;
  top: 0;
  color: var(--text-muted);
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  text-decoration: none;
}
.content h2:hover .anchor { opacity: 1; }
.content h2 .anchor:hover { color: var(--accent); }

.content h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin: 32px 0 12px;
}

.content p {
  color: var(--text-dim);
  margin: 0 0 18px;
}
.content strong { color: var(--text); font-weight: 600; }
.content em { color: var(--text-dim); }

.content ul, .content ol {
  color: var(--text-dim);
  padding-left: 22px;
  margin: 0 0 22px;
}
.content li { margin-bottom: 8px; }
.content li::marker { color: var(--text-muted); }

.content a:not(.card):not(.pager-prev):not(.pager-next):not(.anchor) {
  color: var(--accent);
  border-bottom: 1px solid transparent;
}
.content a:not(.card):not(.pager-prev):not(.pager-next):not(.anchor):hover {
  border-bottom-color: var(--accent);
}

/* CALLOUT */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  color: var(--text);
  margin: 0 0 32px;
  font-size: 15px;
  line-height: 1.6;
}
.callout strong { color: var(--text); }

/* CODE */
.content code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 1.5px 6px;
  border-radius: 4px;
  color: var(--accent);
}
.content pre {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 22px;
}
.content pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--text);
}

/* TABLES */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 28px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
}
.content table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}
.content thead th {
  background: var(--bg-elev-2);
  text-align: left;
  font-weight: 600;
  color: var(--text);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.content tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}
.content tbody tr:last-child td { border-bottom: 0; }
.content tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* HERO (index page) */
.hero {
  margin-bottom: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.hero .eyebrow { margin-bottom: 24px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
}
.hero p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 620px;
  margin-bottom: 26px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.hero-meta span strong {
  color: var(--accent);
  font-weight: 600;
  margin-right: 6px;
}

/* CARDS GRID */
.content > h2:first-of-type { margin-top: 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 100%;
  margin-top: 4px;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 22px 24px;
  transition: border-color 0.18s, transform 0.18s, background 0.18s;
}
.card:hover {
  border-color: var(--accent-border);
  background: var(--bg-elev-2);
  transform: translateY(-1px);
}
.card-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

/* TOC */
.toc {
  position: sticky;
  top: var(--header-h);
  align-self: start;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 56px 24px 40px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.toc:empty { padding: 0; }
.toc-title {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding-left: 12px;
}
.toc-link {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-dim);
  padding: 6px 12px;
  border-left: 2px solid var(--border);
  margin-left: 0;
  transition: color 0.12s, border-color 0.12s;
}
.toc-link:hover { color: var(--text); }
.toc-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* PAGER */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 64px 0 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.pager-prev, .pager-next {
  display: block;
  padding: 18px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.pager-prev:hover, .pager-next:hover {
  border-color: var(--accent-border);
  background: var(--bg-elev-2);
}
.pager-next { text-align: right; }
.pager-prev:only-child { grid-column: 1 / 2; }
.pager-next:only-child { grid-column: 2 / 3; }
.pager-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.pager-prev:hover .pager-label,
.pager-next:hover .pager-label { color: var(--accent); }
.pager-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

/* RESPONSIVE */
@media (max-width: 1180px) {
  .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .toc { display: none; }
  .content { padding: 56px 56px 96px; }
}
@media (max-width: 860px) {
  :root { --header-h: 60px; }
  .desktop-only { display: none !important; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 86%;
    max-width: 320px;
    height: calc(100vh - var(--header-h));
    background: var(--bg-elev);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 41;
  }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 32px 22px 80px; }
  .hero h1 { font-size: 36px; }
  .page-title, .content h1 { font-size: 30px; }
  .content h2 { font-size: 22px; }
  .cards { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
}

/* Small print formatting fixes */
.content blockquote {
  border-left: 3px solid var(--border-strong);
  padding-left: 16px;
  margin: 0 0 22px;
  color: var(--text-dim);
  font-style: italic;
}
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}