/* GhostReel docs pages: the app icon's violet-to-teal palette, in the GhostPen site's layout. */
:root {
  --night: #0d0d15;
  --ink: #15151f;
  --paper: #e9e8f2;
  --violet: #8a7bff;
  --violet-light: #b4a9ff;
  --teal: #2fd6c8;

  --bg: var(--night);
  --surface: var(--ink);
  --surface-2: #1d1c29;
  --text: var(--paper);
  --muted: rgba(233, 232, 242, 0.7);
  --faint: rgba(233, 232, 242, 0.5);
  --border: rgba(233, 232, 242, 0.09);
  --border-strong: rgba(233, 232, 242, 0.16);
  --accent: var(--violet-light);
  --accent-2: #d2ccff;
  --accent-ink: #0b0a1c;
  --glow: rgba(138, 123, 255, 0.24);
  --code-bg: #12121b;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 20px 40px -24px rgba(0, 0, 0, 0.6);

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 12px;
  --max: 1200px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8f7fc;
    --surface: #ffffff;
    --surface-2: #efedf8;
    --text: #1c1b26;
    --muted: rgba(28, 27, 38, 0.72);
    --faint: rgba(28, 27, 38, 0.56);
    --border: rgba(28, 27, 38, 0.09);
    --border-strong: rgba(28, 27, 38, 0.16);
    --accent: #5a45e6;
    --accent-2: #3f2bc9;
    --glow: rgba(90, 69, 230, 0.2);
    --code-bg: #16151f;
    --shadow: 0 20px 40px -28px rgba(28, 27, 38, 0.35);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.68 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code, pre { font-family: var(--mono); }
:not(pre) > code {
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.38em;
}
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 30; padding: 8px 14px; border-radius: 8px; background: var(--violet); color: var(--accent-ink); font-weight: 600; }
.skip-link:focus { top: 12px; color: var(--accent-ink); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--max); margin: 0 auto; height: 64px;
  display: flex; align-items: center; gap: 24px; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { border-radius: 7px; }
.brand-name { font-weight: 800; font-size: 22px; letter-spacing: -0.04em; }
.topnav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.topnav a {
  color: var(--muted); font-weight: 500; font-size: 16.5px;
  padding: 8px 12px; border-radius: 8px;
}
.topnav a:hover, .topnav a.active { color: var(--text); background: var(--surface-2); }
.topnav-gh { border: 1px solid var(--border-strong); margin-left: 6px; }
.version-badge {
  font: 500 12.5px var(--mono); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 999px; padding: 3px 9px; margin-left: 6px;
}
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

/* ---------- Docs ---------- */
.docs {
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 232px minmax(0, 1fr) 200px; gap: 48px;
}
.sidebar, .toc { position: sticky; top: 64px; align-self: start; max-height: calc(100vh - 64px); overflow-y: auto; padding: 32px 0; }
.sidebar h4, .toc h4 {
  margin: 20px 0 8px; font: 600 12px var(--font); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint);
}
.sidebar h4:first-child, .toc h4:first-child { margin-top: 0; }
.sidebar a {
  display: block; color: var(--muted); font-size: 16px; padding: 6px 12px; margin-left: -12px;
  border-radius: 8px; border-left: 2px solid transparent;
}
.sidebar a:hover { color: var(--text); background: var(--surface); }
.sidebar a.active { color: var(--text); background: var(--surface); border-left-color: var(--accent); font-weight: 500; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc ul ul { padding-left: 12px; }
.toc a { display: block; color: var(--faint); font-size: 14.5px; padding: 4px 0; }
.toc a:hover { color: var(--text); }

.doc { padding: 40px 0 72px; min-width: 0; }
.prose { max-width: 74ch; }
.prose h1 { font-size: clamp(32px, 4.5vw, 44px); letter-spacing: -0.04em; line-height: 1.1; margin: 0 0 12px; }
.doc-lead { font-size: 19px; color: var(--muted); margin: 0 0 32px; }
.prose .content h1, .prose h2 { font-size: 26px; letter-spacing: -0.025em; margin: 48px 0 12px; border-top: 1px solid var(--border); padding-top: 28px; }
.prose .content h2, .prose h3 { font-size: 19px; letter-spacing: -0.01em; margin: 32px 0 8px; }
.prose p, .prose li { color: color-mix(in srgb, var(--text) 88%, transparent); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 4px 0; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  margin: 20px 0; padding: 12px 18px; border-left: 3px solid var(--teal);
  background: var(--surface); border-radius: 0 10px 10px 0; color: var(--muted);
}
.prose blockquote p { margin: 6px 0; }
.prose table { display: block; overflow-x: auto; margin: 20px 0; border: 1px solid var(--border); border-radius: var(--radius); border-collapse: separate; border-spacing: 0; width: 100%; font-size: 15.5px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; background: var(--surface); }
tr:last-child td { border-bottom: 0; }
.prose table th, .prose table td { overflow-wrap: normal; min-width: 8em; }
.prose table code { white-space: nowrap; }
.prose .content { overflow-wrap: anywhere; }
.prose img { border-radius: var(--radius); border: 1px solid var(--border-strong); }
.prose pre {
  position: relative; margin: 20px 0; padding: 18px 20px; overflow-x: auto;
  background: var(--code-bg); color: #e9e8f2; border: 1px solid var(--border-strong);
  border-radius: var(--radius); font-size: 14.5px; line-height: 1.7; overflow-wrap: normal;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.doc-foot { margin-top: 48px; font-size: 15px; }
.edit-link { color: var(--faint); }
kbd {
  font: 500 0.82em var(--mono); padding: 0.12em 0.45em; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--border-strong); border-bottom-width: 2px;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; align-content: flex-start; gap: 8px; flex-wrap: wrap; max-width: 320px; font-weight: 800; letter-spacing: -0.03em; font-size: 18px; }
.footer-brand p { flex-basis: 100%; margin: 6px 0 0; font-weight: 400; letter-spacing: 0; font-size: 15px; color: var(--muted); }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-cols h4 { margin: 0 0 10px; font-size: 14px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-cols a { display: block; color: var(--muted); font-size: 15px; padding: 3px 0; }
.footer-cols a:hover { color: var(--text); }
.footer-legal { max-width: var(--max); margin: 32px auto 0; padding: 0 24px; color: var(--faint); font-size: 14px; }
.footer-legal a { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .docs { grid-template-columns: 220px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .topnav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
  }
  .topnav.open { display: flex; }
  .topnav-gh, .version-badge { margin-left: 0; }
  .version-badge { align-self: flex-start; margin-top: 8px; }
  .docs { grid-template-columns: 1fr; gap: 0; padding: 0 16px; }
  .sidebar { position: static; max-height: none; padding: 20px 0 0; border-bottom: 1px solid var(--border); }
  .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px; padding-bottom: 16px; }
  .sidebar h4 { flex-basis: 100%; margin: 8px 0 4px; }
  .sidebar a { margin: 0; border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-size: 15px; }
  .sidebar a.active { border-color: var(--accent); }
}
@media (max-width: 600px) {
  .topbar-inner { padding: 0 16px; }
  .footer-inner, .footer-legal { padding: 0 16px; }
  .footer-cols { gap: 32px; }
}