/* Reelsmith docs — shared shell for site/docs/*.html (generated by tools/build-site.js). Mobile first. */

:root {
  --bg: #F7F8FC;
  --surface: #FFFFFF;
  --surface-2: #EEF0F8;
  --text: #0B0F19;
  --muted: #4A5068;
  --border: #DDE1EE;
  --accent: #5B3DF5;
  --accent-2: #0E7490;
  --code-bg: #0F1424;
  --code-text: #E6E9F5;
  --inline-code-bg: #ECEAFE;
  --inline-code-text: #3B21C9;
  --shadow: 0 1px 2px rgba(11, 15, 25, 0.06), 0 8px 24px rgba(11, 15, 25, 0.06);
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --display: 'Sora', 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: 16px;
  --topbar: 56px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B0F19;
    --surface: #111728;
    --surface-2: #161D33;
    --text: #F5F7FF;
    --muted: #A3A9C2;
    --border: #232B45;
    --accent: #A895FF;
    --accent-2: #22D3EE;
    --code-bg: #0A0E1A;
    --code-text: #E6E9F5;
    --inline-code-bg: #1B2240;
    --inline-code-text: #C9BEFF;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar) + 12px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  overflow-x: hidden;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; }

.skip { position: absolute; left: -9999px; top: 8px; }
.skip:focus { left: 8px; z-index: 100; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

/* ── top bar ─────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  height: var(--topbar);
  display: flex; align-items: center; gap: 12px;
  padding: 0 var(--gutter);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand span { font: 700 18px/1 var(--display); letter-spacing: -0.01em; }
.crumb { color: var(--muted); font-size: 14px; padding-left: 12px; border-left: 1px solid var(--border); }
.toplinks { display: none; margin-left: auto; gap: 20px; }
.toplinks a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 15px; }
.toplinks a:hover { color: var(--accent); }
.nav-toggle {
  margin-left: auto;
  font: 600 14px/1 var(--sans);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
}

/* ── layout ──────────────────────────────────────────────────────────────── */
.layout { display: block; }
.sidebar {
  display: none;
  padding: 12px var(--gutter) 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.sidebar.open { display: block; }
.nav-group { margin: 8px 0 14px; }
.nav-title {
  margin: 0 0 6px;
  font: 700 12px/1.4 var(--sans);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.nav-extra { border-top: 1px solid var(--border); padding-top: 10px; }
.sidebar li a {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
}
.sidebar li a:hover { background: var(--surface-2); }
.sidebar li a[aria-current="page"] {
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  font-weight: 600;
}

.content { min-width: 0; padding: 8px var(--gutter) 40px; }

@media (min-width: 960px) {
  :root { --gutter: 32px; }
  .toplinks { display: flex; }
  .nav-toggle { display: none; }
  .nav-extra { display: none; }
  .layout {
    display: grid;
    grid-template-columns: 264px minmax(0, 1fr);
    max-width: 1240px;
    margin: 0 auto;
  }
  .sidebar {
    display: block;
    position: sticky; top: var(--topbar);
    height: calc(100vh - var(--topbar));
    overflow-y: auto;
    padding: 20px 16px 40px 24px;
    background: transparent;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }
  .content { padding: 16px 48px 64px; }
}

/* ── prose ───────────────────────────────────────────────────────────────── */
.prose { max-width: 780px; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--display);
  line-height: 1.25;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
  position: relative;
}
.prose h1 { font-size: 32px; font-weight: 800; margin: 24px 0 12px; }
.prose h2 { font-size: 24px; font-weight: 700; margin: 44px 0 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 19px; font-weight: 700; margin: 32px 0 8px; }
.prose h4 { font-size: 16px; font-weight: 700; margin: 24px 0 8px; }
.prose h1 + p { font-size: 18px; color: var(--muted); }
.prose .anchor {
  margin-left: 8px;
  color: var(--muted);
  text-decoration: none;
  opacity: 0;
  font-weight: 400;
}
.prose h2:hover .anchor, .prose h3:hover .anchor, .prose h4:hover .anchor, .prose .anchor:focus { opacity: 1; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre, .prose .table-wrap { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 4px 0; }
.prose li > ul, .prose li > ol { margin: 4px 0 8px; }
.prose li.task { list-style: none; margin-left: -22px; }
.prose li.task input { margin: 0 8px 0 0; vertical-align: -1px; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.prose strong { font-weight: 650; }

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--inline-code-bg);
  color: var(--inline-code-text);
  padding: 0.12em 0.36em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}
.prose pre {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid #1F2742;
  border-radius: 12px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  position: relative;
}
.prose pre code { background: none; color: inherit; padding: 0; font-size: inherit; overflow-wrap: normal; white-space: pre; }
.prose pre[data-lang]::after {
  content: attr(data-lang);
  position: absolute; top: 6px; right: 10px;
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: #7E86A6;
}

.prose blockquote {
  margin-left: 0;
  padding: 10px 16px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 10px 10px 0;
  color: var(--text);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.prose table { border-collapse: collapse; width: 100%; font-size: 14.5px; line-height: 1.5; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.prose th { font-weight: 650; background: var(--surface-2); white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }
.prose td code, .prose th code { white-space: normal; overflow-wrap: anywhere; }
.prose td, .prose th { min-width: 8.5em; }
.prose td:first-child, .prose th:first-child { min-width: 6em; }
@media (min-width: 960px) { .prose td, .prose th, .prose td:first-child, .prose th:first-child { min-width: 0; } }

/* ── pager + footer ──────────────────────────────────────────────────────── */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 780px; margin-top: 48px; }
.pager-link {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.pager-link span { display: block; font-size: 12px; font-weight: 500; color: var(--muted); margin-bottom: 2px; }
.pager-link.next { text-align: right; }
.pager-link:hover { border-color: var(--accent); }
.edit { max-width: 780px; margin: 20px 0 0; font-size: 14px; }
.edit a { color: var(--muted); }

.footer {
  border-top: 1px solid var(--border);
  padding: 20px var(--gutter);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
.footer p { margin: 0; }
.footer a { color: var(--muted); }