/* Developer documentation (/developer). Standalone page: does not load
   styles.css, but mirrors its design tokens and its data-theme dark mode. */
:root {
  --bg: #FFFFFF;
  --surface: #F9F9F9;
  --surface-2: #F2F2F7;
  --border: #E5E5EA;
  --border-light: #ECECEC;
  --text-1: #1C1C1E;
  --text-2: #636366;
  --text-3: #8E8E93;
  --accent: #FF2D55;
  --accent-hover: #E6254D;
  --accent-subtle: rgba(255, 45, 85, 0.08);
  --code-bg: #F5F5F7;
  --code-text: #1C1C1E;
  --pre-bg: #1E1E1E;
  --pre-text: #E8E8E8;
  --pre-chip: #8E8E93;
  --note-bg: #FFF8E6;
  --note-border: #F0DFAE;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --header-h: 56px;
  --sidebar-w: 272px;
  --content-w: 780px;
}
[data-theme="dark"] {
  --bg: #0B0B0C;
  --surface: #111111;
  --surface-2: #1A1A1A;
  --border: #2A2A2A;
  --border-light: #222222;
  --text-1: #F2F2F2;
  --text-2: #A0A0A5;
  --text-3: #6E6E73;
  --accent-subtle: rgba(255, 45, 85, 0.15);
  --code-bg: #1C1C1E;
  --code-text: #F2F2F2;
  --pre-bg: #141416;
  --pre-text: #E8E8E8;
  --note-bg: #2A2410;
  --note-border: #4A3F1A;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body.dev-docs {
  margin: 0;
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

/* Header */
.dev-header {
  position: sticky; top: 0; z-index: 30;
  height: var(--header-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.dev-header-inner {
  height: 100%;
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px;
}
.dev-brand {
  white-space: nowrap;
  font-weight: 800; letter-spacing: 0.08em; font-size: 13px;
  text-decoration: none; color: var(--text-1);
}
.dev-brand-sep { color: var(--text-3); }
.dev-brand-section {
  font-weight: 600; font-size: 14px; text-decoration: none; color: var(--text-1);
}
.dev-header-links { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.dev-header-link, .dev-header-cta, .dev-theme-btn, .dev-menu-btn {
  white-space: nowrap;
  font: inherit; font-size: 14px; font-weight: 500;
  text-decoration: none; color: var(--text-2);
  padding: 6px 10px; border-radius: 8px; border: 0; background: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.dev-header-link:hover, .dev-theme-btn:hover, .dev-menu-btn:hover { color: var(--text-1); background: var(--surface-2); }
.dev-header-cta { background: var(--text-1); color: var(--bg); font-weight: 600; }
.dev-header-cta:hover { background: var(--accent); color: #fff; }
.dev-theme-btn .icon-moon { display: none; }
[data-theme="dark"] .dev-theme-btn .icon-moon { display: inline; }
[data-theme="dark"] .dev-theme-btn .icon-sun { display: none; }
.dev-menu-btn { display: none; padding: 6px; }

/* Layout */
.dev-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  max-width: 1240px; margin: 0 auto;
}
.dev-sidebar {
  position: sticky; top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 24px 16px 40px 20px;
  border-right: 1px solid var(--border);
}
.dev-sidebar-group-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3); margin: 8px 0 8px 10px;
}
.dev-sidebar-group-label + .dev-nav + .dev-sidebar-group-label,
.dev-sidebar nav + .dev-sidebar-group-label { margin-top: 28px; }
.dev-nav { list-style: none; margin: 0; padding: 0; }
.dev-nav-link {
  display: block; text-decoration: none; color: var(--text-2);
  font-size: 14px; line-height: 1.35;
  padding: 6px 10px; border-radius: 6px;
}
.dev-nav-h3 { padding-left: 22px; font-size: 13px; color: var(--text-3); }
.dev-nav-link:hover { color: var(--text-1); background: var(--surface-2); }
.dev-nav-link.active { color: var(--accent); background: var(--accent-subtle); font-weight: 600; }
.dev-sidebar-backdrop {
  display: none; position: fixed; inset: var(--header-h) 0 0 0; z-index: 19;
  background: rgba(0,0,0,0.35);
}

.dev-main {
  min-width: 0;
  padding: 36px 48px 80px;
}
.dev-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 4px;
}
.dev-prose { max-width: var(--content-w); }
.dev-footer {
  max-width: var(--content-w);
  margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--border);
  display: flex; gap: 18px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-3);
}
.dev-footer a { color: var(--text-3); text-decoration: none; }
.dev-footer a:hover { color: var(--text-1); }

/* Prose */
.dev-prose h1 {
  font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 700;
  margin: 0 0 16px;
}
.dev-prose h2 {
  font-size: 23px; line-height: 1.25; letter-spacing: -0.01em; font-weight: 700;
  margin: 56px 0 14px; padding-top: 24px; border-top: 1px solid var(--border);
}
.dev-prose h3 { font-size: 17px; font-weight: 700; margin: 32px 0 10px; }
.dev-prose h2 + h3 { margin-top: 18px; }
.dev-prose p { margin: 0 0 14px; }
.dev-prose > p:first-of-type { font-size: 17px; color: var(--text-2); }
.dev-prose a { color: var(--accent); text-decoration: none; }
.dev-prose a:hover { text-decoration: underline; }
.dev-prose strong { font-weight: 700; }
.dev-prose ul, .dev-prose ol { margin: 0 0 16px; padding-left: 24px; }
.dev-prose li { margin: 5px 0; }
.dev-prose li > p { margin: 0; }
.dev-prose hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }
.dev-prose hr + h2 { border-top: 0; padding-top: 0; margin-top: 0; }
.dev-prose blockquote {
  margin: 16px 0; padding: 10px 16px;
  background: var(--note-bg); border: 1px solid var(--note-border); border-radius: 8px;
}
.dev-prose blockquote p { margin: 0; }

.dev-prose code {
  font-family: var(--font-mono); font-size: 0.86em;
  background: var(--code-bg); color: var(--code-text);
  padding: 2px 6px; border-radius: 5px;
  overflow-wrap: anywhere;
}
.dev-prose pre.doc-code {
  position: relative;
  background: var(--pre-bg); color: var(--pre-text);
  border-radius: 10px; padding: 16px 18px; margin: 14px 0 20px;
  overflow-x: auto;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.55;
  tab-size: 2;
}
.dev-prose pre.doc-code code {
  background: none; color: inherit; padding: 0; font-size: inherit; overflow-wrap: normal;
}
.dev-prose pre.doc-code[data-lang]:not([data-lang=""])::before {
  content: attr(data-lang);
  position: absolute; top: 8px; right: 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--pre-chip);
}
.dev-copy-btn {
  position: absolute; top: 6px; right: 10px;
  font: inherit; font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  color: var(--pre-text); background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15); border-radius: 6px;
  padding: 3px 8px; cursor: pointer; opacity: 0; transition: opacity .15s ease;
}
pre.doc-code:hover .dev-copy-btn, .dev-copy-btn:focus-visible { opacity: 1; }
pre.doc-code:hover[data-lang]:not([data-lang=""])::before { opacity: 0; }

.dev-prose table {
  width: 100%; border-collapse: collapse; margin: 14px 0 22px;
  font-size: 14px; display: block; overflow-x: auto;
}
.dev-prose thead th {
  text-align: left; font-weight: 700; font-size: 12.5px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-2);
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 9px 12px; white-space: nowrap;
}
.dev-prose td { padding: 9px 12px; border-bottom: 1px solid var(--border-light); vertical-align: top; }
.dev-prose td:first-child { white-space: nowrap; }
.dev-prose tr:last-child td { border-bottom: 1px solid var(--border); }

.dev-anchor {
  margin-left: 8px; color: var(--text-3); text-decoration: none; font-weight: 400;
  opacity: 0; transition: opacity .15s ease;
}
.dev-prose h2:hover .dev-anchor, .dev-prose h3:hover .dev-anchor, .dev-anchor:focus-visible { opacity: 1; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Responsive */
@media (max-width: 960px) {
  .dev-header-inner { padding: 0 12px; }
  .dev-menu-btn { display: inline-flex; }
  .dev-layout { grid-template-columns: minmax(0, 1fr); }
  .dev-sidebar {
    position: fixed; top: var(--header-h); left: 0; z-index: 20;
    width: min(var(--sidebar-w), 86vw);
    background: var(--bg);
    transform: translateX(-100%); transition: transform .2s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .dev-sidebar.open { transform: translateX(0); }
  .dev-sidebar-backdrop:not([hidden]) { display: block; }
  .dev-main { padding: 24px 16px 64px; }
  .dev-header-link[href="/mcp"], .dev-header-link[href^="https://github.com"] { display: none; }
}
@media (max-width: 600px) {
  .dev-prose h1 { font-size: 28px; }
  .dev-prose h2 { font-size: 20px; margin-top: 44px; }
  .dev-header-link[title] { display: none; }
  .dev-brand-sep, .dev-brand-section { display: none; }
  .dev-header-inner { gap: 4px; }
  .dev-header-link, .dev-header-cta { padding: 6px 8px; }
  .dev-copy-btn { opacity: 1; }
  .dev-prose pre.doc-code { padding-top: 38px; }
  pre.doc-code[data-lang]:not([data-lang=""])::before { display: none; }
}
@media print {
  .dev-header, .dev-sidebar, .dev-copy-btn, .dev-anchor { display: none !important; }
  .dev-layout { display: block; }
  .dev-prose pre.doc-code { white-space: pre-wrap; }
}