/* ══════════════════════════════════════════════════════════════════════
   Dossier — Internal Site
   Sidebar-based docs layout. Reuses the design tokens from dossier.css
   (Chambers Gold, Newsreader/Inter/JetBrains Mono).
   ══════════════════════════════════════════════════════════════════════ */

:root {
  --side-width: 264px;
  --topbar-h: 52px;
  --content-max: 880px;
}

.internal-body {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--ds-font-body);
}

/* ── Sidebar ──────────────────────────────────────────── */
.side {
  width: var(--side-width);
  flex-shrink: 0;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-inset);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.side-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 18px 14px 14px;
}
.side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--ds-font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ds-brand-primary);
  letter-spacing: -0.02em;
  padding: 4px 8px 14px;
  border-bottom: 1px solid var(--border-subtle);
}
.side-brand img { border-radius: 4px; }
.side-brand-text em { font-style: italic; color: var(--text-secondary); font-weight: 400; }
.side-nav { display: flex; flex-direction: column; gap: 18px; padding: 18px 0; flex: 1; }
.side-group { display: flex; flex-direction: column; gap: 2px; }
.side-heading {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-tertiary); padding: 0 10px 6px;
}
.side-link {
  display: block; padding: 7px 10px; border-radius: 6px;
  font-size: 13px; color: var(--text-secondary); text-decoration: none;
  transition: background 0.12s, color 0.12s; line-height: 1.3;
  border-left: 2px solid transparent;
}
.side-link:hover { color: var(--text-primary); background: var(--toggle-bg); }
.side-link.active {
  color: var(--ds-brand-primary);
  background: var(--ds-brand-primary-subtle);
  border-left-color: var(--ds-brand-primary);
  font-weight: 600;
}
.side-foot {
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 12px; margin-top: 12px;
  border-top: 1px solid var(--border-subtle);
}
.side-foot a {
  display: block; padding: 5px 10px; border-radius: 6px;
  font-size: 11px; color: var(--text-tertiary); text-decoration: none;
  font-family: var(--ds-font-mono);
  transition: color 0.12s, background 0.12s;
}
.side-foot a:hover { color: var(--text-primary); background: var(--toggle-bg); }

/* ── Main column ──────────────────────────────────────── */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.topbar-mobile { display: none; background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 6px; border-radius: 6px; }
.topbar-mobile:hover { color: var(--text-primary); background: var(--toggle-bg); }
.topbar-crumbs {
  font-size: 12px; color: var(--text-tertiary);
  font-family: var(--ds-font-mono); letter-spacing: 0.02em;
  flex: 1;
}
.topbar-theme {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid transparent; background: transparent;
  color: var(--text-tertiary); cursor: pointer; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.12s;
}
.topbar-theme:hover { background: var(--toggle-bg); border-color: var(--border-default); color: var(--text-primary); }
.main-inner {
  max-width: var(--content-max);
  width: 100%;
  padding: 40px 48px 96px;
  margin: 0 auto;
}

/* ── Doc shell (markdown) ─────────────────────────────── */
.doc { display: flex; flex-direction: column; gap: 12px; }
.doc-meta { display: flex; align-items: center; gap: 10px; }
.doc-tag {
  display: inline-block; font-size: 10px; font-weight: 600;
  font-family: var(--ds-font-mono); letter-spacing: 0.06em;
  color: var(--ds-brand-primary); background: var(--ds-brand-primary-subtle);
  padding: 4px 10px; border-radius: 100px;
}
.doc-source {
  margin-top: 36px; padding: 14px 16px;
  border: 1px dashed var(--border-default); border-radius: var(--ds-radius-md);
  font-size: 11px; color: var(--text-tertiary);
  display: flex; align-items: center; gap: 10px;
}
.doc-source code {
  font-family: var(--ds-font-mono); color: var(--ds-brand-accent);
  background: var(--code-bg); padding: 2px 8px; border-radius: 4px;
}

/* ── Markdown body styles ─────────────────────────────── */
.doc-body h1 {
  font-family: var(--ds-font-display); font-size: clamp(34px, 4vw, 44px);
  font-weight: 400; letter-spacing: -0.025em; line-height: 1.15;
  margin: 8px 0 18px;
}
.doc-body h2 {
  font-family: var(--ds-font-display); font-size: 26px; font-weight: 400;
  letter-spacing: -0.02em; margin: 48px 0 14px;
  padding-top: 28px; border-top: 1px solid var(--border-subtle);
}
.doc-body h3 {
  font-size: 16px; font-weight: 600; color: var(--text-primary);
  margin: 32px 0 10px; letter-spacing: -0.005em;
}
.doc-body h4 { font-size: 13px; font-weight: 600; margin: 22px 0 6px; color: var(--text-primary); }
.doc-body p {
  font-size: 14.5px; color: var(--text-secondary); line-height: 1.75;
  margin-bottom: 14px;
}
.doc-body p strong, .doc-body li strong { color: var(--text-primary); font-weight: 600; }
.doc-body em { color: var(--text-primary); }
.doc-body ul, .doc-body ol { padding-left: 22px; margin-bottom: 14px; }
.doc-body li { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 4px; }
.doc-body a { color: var(--ds-brand-primary); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.12s; }
.doc-body a:hover { border-bottom-color: var(--ds-brand-primary); }
.doc-body hr {
  border: none; border-top: 1px solid var(--border-subtle);
  margin: 36px 0;
}
.doc-body blockquote {
  border-left: 3px solid var(--callout-border);
  background: var(--callout-bg);
  padding: 14px 18px; margin: 18px 0;
  font-size: 13.5px; color: var(--text-secondary); line-height: 1.7;
  border-radius: 0 var(--ds-radius-sm) var(--ds-radius-sm) 0;
}

/* Inline + block code */
.md-inline {
  font-family: var(--ds-font-mono); font-size: 12px;
  background: var(--code-bg); color: var(--ds-brand-accent);
  padding: 1.5px 6px; border-radius: 4px;
  border: 1px solid var(--border-subtle);
}
.md-code {
  background: var(--code-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--ds-radius-md);
  padding: 16px 20px; margin: 16px 0; overflow-x: auto;
}
.md-code code {
  font-family: var(--ds-font-mono);
  font-size: 12px; line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre;
}

/* Tables (markdown) */
.md-table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--border-subtle); border-radius: var(--ds-radius-md); }
.md-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.md-table thead { background: var(--bg-inset); }
.md-table th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-default);
}
.md-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary); vertical-align: top;
  font-size: 13px; line-height: 1.6;
}
.md-table tr:last-child td { border-bottom: none; }
.md-table td:first-child { color: var(--text-primary); font-weight: 500; }
.md-table code { font-family: var(--ds-font-mono); font-size: 11px; background: var(--code-bg); padding: 1px 5px; border-radius: 3px; color: var(--ds-brand-accent); }

/* ── Static doc (engine reference) ────────────────────── */
.doc-static .page {
  padding: 0 !important; margin: 0 !important; max-width: 100% !important;
}
.doc-static .top-bar, .doc-static .ds-nav, .doc-static .site-footer, .doc-static .ds-footer { display: none !important; }

/* ── Landing index ────────────────────────────────────── */
.ix-hero { padding: 8px 0 28px; }
.ix-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  font-family: var(--ds-font-mono); letter-spacing: 0.06em;
  color: var(--ds-warning); background: rgba(184, 134, 11, 0.1);
  padding: 5px 12px; border-radius: 100px; margin-bottom: 20px;
  border: 1px solid rgba(184, 134, 11, 0.2);
}
.ix-hero h1 {
  font-family: var(--ds-font-display);
  font-size: clamp(36px, 5vw, 52px); font-weight: 400;
  letter-spacing: -0.03em; line-height: 1.12; margin-bottom: 16px;
}
.ix-hero h1 em { font-style: italic; color: var(--ds-brand-primary); }
.ix-sub { font-size: 15px; color: var(--text-secondary); line-height: 1.7; max-width: 640px; }
.ix-sub a { color: var(--ds-brand-primary); text-decoration: none; }
.ix-sub a:hover { text-decoration: underline; }

.ix-stats {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0; margin: 36px 0 48px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.ix-stat { padding: 22px 14px; text-align: center; position: relative; }
.ix-stat + .ix-stat::before {
  content: ''; position: absolute; left: 0; top: 22%; height: 56%; width: 1px;
  background: var(--border-subtle);
}
.ix-stat-num {
  font-family: var(--ds-font-display); font-size: 30px; font-weight: 400;
  color: var(--ds-brand-primary); letter-spacing: -0.03em; line-height: 1; margin-bottom: 6px;
}
.ix-stat-label { font-size: 11px; color: var(--text-tertiary); font-weight: 500; letter-spacing: 0.02em; }

.ix-h2 {
  font-family: var(--ds-font-display); font-size: 22px; font-weight: 400;
  letter-spacing: -0.02em; margin: 36px 0 16px;
}
.ix-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ix-grid-tight { grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ix-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 20px 22px;
  background: var(--bg-raised); border: 1px solid var(--border-subtle);
  border-radius: var(--ds-radius-lg); text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
  position: relative;
}
.ix-card:hover { border-color: var(--ds-brand-primary); transform: translateY(-1px); }
.ix-card-kind {
  font-size: 9px; font-family: var(--ds-font-mono); font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-tertiary);
}
.ix-card-title {
  font-size: 16px; font-weight: 600; color: var(--text-primary);
  font-family: var(--ds-font-display); letter-spacing: -0.01em;
}
.ix-card-desc {
  font-size: 12.5px; color: var(--text-secondary); line-height: 1.6;
  flex: 1; padding-bottom: 4px;
}
.ix-card-go {
  font-size: 11px; color: var(--ds-brand-primary); font-weight: 600;
  font-family: var(--ds-font-mono); letter-spacing: 0.04em;
}
.ix-card-go span { transition: transform 0.15s; display: inline-block; }
.ix-card:hover .ix-card-go span { transform: translateX(3px); }

.ix-mini {
  padding: 14px 16px; background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--ds-radius-md);
}
.ix-mini-port {
  font-family: var(--ds-font-mono); font-size: 11px; font-weight: 600;
  color: var(--ds-brand-accent); margin-bottom: 4px;
}
.ix-mini-name { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.ix-mini-desc { font-size: 11.5px; color: var(--text-tertiary); line-height: 1.55; }

/* ── Theme icon (matches public site) ─────────────────── */
.ds-theme-icon::before { content: ''; }
:root[data-theme="dark"] .ds-theme-icon::before { content: '\263D'; }
:root[data-theme="light"] .ds-theme-icon::before { content: '\2606'; }

/* ── Mobile ────────────────────────────────────────────── */
@media (max-width: 880px) {
  .ix-stats { grid-template-columns: repeat(2, 1fr); }
  .ix-stat:nth-child(3)::before { display: none; }
  .ix-grid, .ix-grid-tight { grid-template-columns: 1fr; }
  .main-inner { padding: 24px 20px 80px; }
}

@media (max-width: 720px) {
  .side {
    position: fixed; left: 0; top: 0; height: 100vh;
    transform: translateX(-100%); transition: transform 0.2s;
    z-index: 100; box-shadow: 0 12px 32px rgba(0,0,0,0.25);
  }
  body.side-open .side { transform: translateX(0); }
  .topbar-mobile { display: inline-flex; }
}