/* Metroflow documentation site */
:root {
  --doc-bg: #000000;
  --doc-surface: rgba(255, 255, 255, 0.04);
  --doc-surface-2: rgba(255, 255, 255, 0.07);
  --doc-text: #ffffff;
  --doc-muted: rgba(255, 255, 255, 0.92);
  --doc-faint: rgba(255, 255, 255, 0.74);
  --doc-accent: #22E59A;
  --doc-accent-soft: #a7f3d0;
  --doc-accent-dim: #10B981;
  --doc-accent-glow: rgba(34, 229, 154, 0.35);
  --doc-amber: #F59E0B;
  --doc-violet: #8b5cf6;
  --doc-blue: #38bdf8;
  --doc-red: #f87171;
  --doc-border: rgba(255, 255, 255, 0.1);
  --doc-border-strong: rgba(255, 255, 255, 0.18);
  --doc-radius: 16px;
  --doc-radius-sm: 10px;
  --doc-font: Inter, system-ui, sans-serif;
  --doc-display: Sora, system-ui, sans-serif;
  --doc-mono: 'JetBrains Mono', ui-monospace, monospace;
  --doc-sidebar: 260px;
  --doc-header: 56px;
}

[data-theme="light"] {
  --doc-bg: #fafbfc;
  --doc-surface: rgba(0, 0, 0, 0.03);
  --doc-surface-2: rgba(0, 0, 0, 0.05);
  --doc-text: #111111;
  --doc-muted: #222222;
  --doc-faint: #3D3D3D;
  --doc-accent: #059669;
  --doc-accent-soft: #065f46;
  --doc-accent-dim: #047857;
  --doc-accent-glow: rgba(5, 150, 105, 0.28);
  --doc-blue: #0284c7;
  --doc-border: rgba(0, 0, 0, 0.08);
  --doc-border-strong: rgba(0, 0, 0, 0.14);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--doc-bg);
  color-scheme: dark;
}
html[data-theme="light"] { color-scheme: light; }
@view-transition { navigation: auto; }

body.doc {
  margin: 0;
  font-family: var(--doc-font);
  background: var(--doc-bg);
  color: var(--doc-text);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

body.doc::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 50% at 50% 0%, black, transparent);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body.doc::before {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

/* Header */
.doc-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--doc-header);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px 0 16px;
  border-bottom: 1px solid var(--doc-border);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(16px);
}
[data-theme="light"] .doc-header { background: rgba(250, 251, 252, 0.9); }

.doc-header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--doc-text);
  font-family: var(--doc-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.doc-header-brand img { width: 28px; height: auto; }
.doc-header-badge {
  font-family: var(--doc-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--doc-accent);
  padding: 4px 10px;
  border: 1px solid rgba(34, 229, 154, 0.25);
  border-radius: 20px;
  background: rgba(34, 229, 154, 0.06);
}

.doc-header-search {
  flex: 1;
  max-width: 360px;
  margin: 0 auto;
  position: relative;
}
.doc-header-search input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  border-radius: 10px;
  border: 1px solid var(--doc-border);
  background: var(--doc-surface);
  color: var(--doc-text);
  font-size: 13px;
  font-family: var(--doc-font);
  outline: none;
  transition: border-color 0.2s;
}
.doc-header-search input:focus { border-color: rgba(34, 229, 154, 0.4); }
.doc-header-search input::placeholder { color: var(--doc-faint); }
.doc-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--doc-faint);
  font-size: 14px;
  pointer-events: none;
}

.doc-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.doc-header-actions a {
  font-size: 13px;
  color: var(--doc-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.doc-header-actions a:hover { color: var(--doc-text); background: var(--doc-surface); }
.doc-header-actions .doc-btn-primary {
  background: var(--doc-accent);
  color: #000;
  font-weight: 600;
  font-family: var(--doc-display);
}
.doc-header-actions .doc-btn-primary:hover { background: var(--doc-accent-dim); color: #000; }
.doc-theme-btn {
  background: none;
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  color: var(--doc-muted);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
  transition: color 0.2s, border-color 0.2s;
}
.doc-theme-btn:hover { color: var(--doc-accent); border-color: rgba(34,229,154,0.35); }

.doc-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--doc-border);
  border-radius: 8px;
  color: var(--doc-text);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
}

/* Layout */
.doc-layout {
  display: grid;
  grid-template-columns: var(--doc-sidebar) minmax(0, 1fr);
  padding-top: var(--doc-header);
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.doc-sidebar {
  position: sticky;
  top: var(--doc-header);
  height: calc(100vh - var(--doc-header));
  overflow-y: auto;
  padding: 24px 16px 48px;
  border-right: 1px solid var(--doc-border);
}

.doc-nav-group { margin-bottom: 20px; }
.doc-nav-label {
  font-family: var(--doc-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--doc-faint);
  margin: 0 0 8px 10px;
}
.doc-nav { list-style: none; margin: 0; padding: 0; }
.doc-nav a {
  display: block;
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--doc-faint);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid transparent;
  transition: color 0.2s, background 0.2s;
}
.doc-nav a:hover { color: var(--doc-text); background: var(--doc-surface); }
.doc-nav a.active {
  color: var(--doc-accent);
  background: rgba(34, 229, 154, 0.08);
  border-color: rgba(34, 229, 154, 0.2);
}

.doc-main {
  min-width: 0;
  padding: 40px 48px 120px;
  max-width: 920px;
}

/* Typography */
.doc-eyebrow {
  font-family: var(--doc-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--doc-amber);
  margin-bottom: 12px;
}
.doc-title {
  font-family: var(--doc-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.doc-lead {
  font-size: 17px;
  color: var(--doc-muted);
  margin: 0 0 32px;
  max-width: 640px;
  line-height: 1.6;
}

.doc-h2 {
  font-family: var(--doc-display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin: 48px 0 16px;
  padding-top: 8px;
  scroll-margin-top: calc(var(--doc-header) + 24px);
}
.doc-h3 {
  font-family: var(--doc-display);
  font-size: 1.1rem;
  margin: 28px 0 12px;
  scroll-margin-top: calc(var(--doc-header) + 24px);
}
.doc-section { margin-bottom: 40px; }
.doc-section[id] { scroll-margin-top: calc(var(--doc-header) + 24px); }
.doc-section > p { color: var(--doc-muted); margin: 0 0 16px; }

/* Hero band on index */
.doc-hero-band {
  border-radius: 20px;
  border: 1px solid var(--doc-border-strong);
  padding: 36px 40px;
  margin-bottom: 40px;
  background:
    radial-gradient(ellipse 80% 80% at 0% 100%, rgba(34,229,154,0.1), transparent 55%),
    radial-gradient(ellipse 50% 50% at 100% 0%, rgba(245,158,11,0.06), transparent),
    var(--doc-surface);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.doc-hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.doc-hero-meta span {
  font-family: var(--doc-mono);
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--doc-border);
  color: var(--doc-faint);
}

/* Cards grid */
.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.doc-card {
  padding: 22px 24px;
  border-radius: var(--doc-radius);
  border: 1px solid var(--doc-border);
  background: var(--doc-surface);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  display: block;
}
.doc-card:hover {
  border-color: rgba(34, 229, 154, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.doc-card-tag {
  font-family: var(--doc-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--doc-accent);
  margin-bottom: 8px;
  display: block;
}
.doc-card h3 {
  font-family: var(--doc-display);
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.doc-card p {
  font-size: 14px;
  color: var(--doc-muted);
  margin: 0 0 12px;
  line-height: 1.5;
}
.doc-card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--doc-accent);
  font-family: var(--doc-display);
}

/* Steps */
.doc-steps { counter-reset: docstep; list-style: none; padding: 0; margin: 24px 0; }
.doc-steps li {
  counter-increment: docstep;
  position: relative;
  padding: 0 0 28px 52px;
  border-left: 2px solid var(--doc-border);
  margin-left: 16px;
}
.doc-steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.doc-steps li::before {
  content: counter(docstep);
  position: absolute;
  left: -17px;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--doc-accent), var(--doc-accent-dim));
  color: #000;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--doc-display);
  box-shadow: 0 0 16px var(--doc-accent-glow);
}
.doc-steps li strong { display: block; color: var(--doc-text); margin-bottom: 4px; }
.doc-steps li p { margin: 0; font-size: 14px; color: var(--doc-muted); }

/* Terminal */
.doc-terminal {
  border-radius: var(--doc-radius-sm);
  border: 1px solid var(--doc-border-strong);
  overflow: hidden;
  margin: 16px 0;
  background: rgba(0, 0, 0, 0.4);
}
[data-theme="light"] .doc-terminal { background: #1e293b; }
[data-theme="light"] .doc-terminal-bar {
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.55);
}
[data-theme="light"] .doc-terminal-body { color: rgba(255, 255, 255, 0.9); }
[data-theme="light"] .doc-term-out { color: rgba(255, 255, 255, 0.65); }
[data-theme="light"] .doc-terminal-copy {
  color: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.18);
}
.doc-terminal-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--doc-border);
  font-family: var(--doc-mono);
  font-size: 11px;
  color: var(--doc-faint);
}
.doc-terminal-copy {
  background: none;
  border: 1px solid var(--doc-border);
  border-radius: 6px;
  color: var(--doc-faint);
  font-size: 11px;
  padding: 3px 10px;
  cursor: pointer;
  font-family: var(--doc-mono);
  transition: color 0.2s, border-color 0.2s;
}
.doc-terminal-copy:hover { color: var(--doc-accent); border-color: rgba(34,229,154,0.35); }
.doc-terminal-copy.copied { color: var(--doc-accent); }
.doc-terminal-body {
  padding: 16px 18px;
  font-family: var(--doc-mono);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}
.doc-term-prompt { color: var(--doc-accent); margin-right: 8px; }
.doc-term-comment { color: var(--doc-faint); }
.doc-term-out { color: rgba(255,255,255,0.55); }

/* Callouts */
.doc-callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--doc-radius-sm);
  margin: 20px 0;
  font-size: 14px;
  color: var(--doc-muted);
}
.doc-callout-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}
.doc-callout-tip {
  border: 1px solid rgba(34, 229, 154, 0.22);
  background: rgba(34, 229, 154, 0.05);
}
.doc-callout-tip .doc-callout-icon { background: rgba(34,229,154,0.15); color: var(--doc-accent); }
.doc-callout-warn {
  border: 1px solid rgba(245, 158, 11, 0.28);
  background: rgba(245, 158, 11, 0.05);
}
.doc-callout-warn .doc-callout-icon { background: rgba(245,158,11,0.15); color: var(--doc-amber); }
.doc-callout p { margin: 0; }
.doc-callout strong { color: var(--doc-text); }

/* API */
.doc-endpoint {
  border: 1px solid var(--doc-border);
  border-radius: var(--doc-radius);
  margin: 20px 0;
  overflow: hidden;
  background: var(--doc-surface);
}
.doc-endpoint-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--doc-border);
  flex-wrap: wrap;
}
.doc-method {
  font-family: var(--doc-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.doc-method-get { background: rgba(56, 189, 248, 0.15); color: var(--doc-blue); }
.doc-method-post { background: rgba(34, 229, 154, 0.15); color: var(--doc-accent); }
.doc-method-delete { background: rgba(248, 113, 113, 0.15); color: var(--doc-red); }
.doc-method-patch { background: rgba(245, 158, 11, 0.15); color: var(--doc-amber); }
.doc-endpoint-path {
  font-family: var(--doc-mono);
  font-size: 14px;
  color: var(--doc-text);
}
.doc-endpoint-desc {
  font-size: 13px;
  color: var(--doc-faint);
  margin-left: auto;
}
.doc-endpoint-body { padding: 20px; }
.doc-endpoint-body p { font-size: 14px; color: var(--doc-muted); margin: 0 0 14px; }

.doc-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--doc-border);
  padding: 0 12px;
}
.doc-tab {
  padding: 10px 14px;
  font-size: 12px;
  font-family: var(--doc-mono);
  color: var(--doc-faint);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.2s;
}
.doc-tab:hover { color: var(--doc-text); }
.doc-tab.active { color: var(--doc-accent); border-bottom-color: var(--doc-accent); }

.doc-code-panel { display: none; padding: 16px 18px; }
.doc-code-panel.active { display: block; }
.doc-code-panel pre {
  margin: 0;
  font-family: var(--doc-mono);
  font-size: 12px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.8);
  white-space: pre-wrap;
  word-break: break-word;
}
[data-theme="light"] .doc-code-panel {
  background: #1e293b;
  border-radius: 0 0 var(--doc-radius-sm) var(--doc-radius-sm);
}
[data-theme="light"] .doc-code-panel pre { color: #e2e8f0; }
[data-theme="light"] .doc-code-panel code {
  color: #a7f3d0;
  background: rgba(167, 243, 208, 0.12);
}

.doc-param-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 12px; }
.doc-param-table th, .doc-param-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--doc-border);
  vertical-align: top;
}
.doc-param-table th {
  font-family: var(--doc-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--doc-faint);
}
.doc-param-table td { color: var(--doc-muted); }
.doc-param-table code {
  font-family: var(--doc-mono);
  font-size: 12px;
  color: var(--doc-accent-soft);
  background: rgba(34,229,154,0.08);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Split + diagram */
.doc-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
  margin: 24px 0;
}
.doc-diagram {
  border-radius: var(--doc-radius);
  border: 1px solid var(--doc-border-strong);
  background: var(--doc-surface);
  padding: 12px;
  overflow: hidden;
}
.doc-illus {
  width: 100%;
  height: auto;
  display: block;
  --doc-i-canvas: rgba(255, 255, 255, 0.02);
  --doc-i-surface: rgba(255, 255, 255, 0.05);
  --doc-i-surface-2: rgba(255, 255, 255, 0.03);
  --doc-i-text: #f1f5f9;
  --doc-i-muted: #94a3b8;
  --doc-i-border: rgba(255, 255, 255, 0.14);
  --doc-i-accent: #22E59A;
  --doc-i-accent-soft: rgba(34, 229, 154, 0.1);
}
[data-theme="light"] .doc-illus {
  --doc-i-canvas: #f8fafc;
  --doc-i-surface: #ffffff;
  --doc-i-surface-2: #f1f5f9;
  --doc-i-text: #0f172a;
  --doc-i-muted: #64748b;
  --doc-i-border: rgba(15, 23, 42, 0.12);
  --doc-i-accent: #059669;
  --doc-i-accent-soft: rgba(5, 150, 105, 0.1);
}

.doc-header-search { position: relative; }
.doc-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: 360px;
  overflow-y: auto;
  border-radius: var(--doc-radius-sm);
  border: 1px solid var(--doc-border-strong);
  background: var(--doc-bg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  z-index: 200;
  padding: 6px;
}
[data-theme="light"] .doc-search-results {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}
.doc-search-hit {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  border: 1px solid transparent;
}
.doc-search-hit:hover,
.doc-search-hit.active {
  background: var(--doc-surface);
  border-color: var(--doc-border);
}
.doc-search-term {
  display: block;
  font-family: var(--doc-mono);
  font-size: 11px;
  color: var(--doc-accent);
  margin-bottom: 4px;
}
.doc-search-term mark {
  background: rgba(34, 229, 154, 0.2);
  color: inherit;
  border-radius: 3px;
  padding: 0 2px;
}
.doc-search-path {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--doc-text);
  margin-bottom: 4px;
}
.doc-search-snippet {
  display: block;
  font-size: 12px;
  color: var(--doc-muted);
  line-height: 1.45;
}
.doc-search-snippet mark {
  background: rgba(34, 229, 154, 0.15);
  color: var(--doc-text);
  border-radius: 2px;
  padding: 0 1px;
}
.doc-search-empty {
  margin: 0;
  padding: 12px;
  font-size: 13px;
  color: var(--doc-muted);
}

/* TOC inline */
.doc-toc {
  padding: 18px 22px;
  border-radius: var(--doc-radius-sm);
  border: 1px solid var(--doc-border);
  background: var(--doc-surface);
  margin-bottom: 32px;
}
.doc-toc-title {
  font-family: var(--doc-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--doc-faint);
  margin-bottom: 10px;
}
.doc-toc ul { margin: 0; padding-left: 18px; }
.doc-toc li { margin: 4px 0; font-size: 14px; }
.doc-toc a { color: var(--doc-muted); text-decoration: none; }
.doc-toc a:hover { color: var(--doc-accent); }

/* Connector chips */
.doc-chip-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.doc-chip {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--doc-border);
  background: var(--doc-surface);
  color: var(--doc-muted);
}

code {
  font-family: var(--doc-mono);
  font-size: 0.88em;
  color: var(--doc-accent-soft);
  background: rgba(34, 229, 154, 0.08);
  padding: 2px 7px;
  border-radius: 5px;
}
[data-theme="light"] code {
  color: var(--doc-accent-soft);
  background: rgba(5, 150, 105, 0.1);
}
[data-theme="light"] .doc-param-table code {
  color: var(--doc-accent-soft);
  background: rgba(5, 150, 105, 0.1);
}

.doc-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--doc-border);
  font-size: 13px;
  color: var(--doc-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}
.doc-footer a { color: var(--doc-accent); text-decoration: none; }

@media (max-width: 1024px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-sidebar {
    position: fixed;
    left: 0;
    top: var(--doc-header);
    width: var(--doc-sidebar);
    z-index: 90;
    transform: translateX(-100%);
    transition: transform 0.25s;
    background: var(--doc-bg);
    box-shadow: 4px 0 24px rgba(0,0,0,0.3);
  }
  .doc-sidebar.open { transform: translateX(0); }
  .doc-menu-toggle { display: block; }
  .doc-main { padding: 32px 20px 80px; }
  .doc-card-grid, .doc-split, .doc-hero-band { grid-template-columns: 1fr; }
  .doc-header-search { display: none; }
}

@media print {
  .doc-header, .doc-sidebar { display: none !important; }
  .doc-layout { display: block; padding-top: 0; }
}