/* BSOS — shared stylesheet for hand-written HTML and Jekyll-converted Markdown.
   Palette: warm minimal (parchment + ochre).
   Typography: serif headings, sans body. */

:root {
  --bg: #f6f1e8;
  --surface: #fdfaf3;
  --surface-soft: #f1ead9;
  --ink: #2d2418;
  --ink-soft: #6b5e4a;
  --ink-faint: #9a8d77;
  --rule: #e5dcc8;
  --accent: #c08a2e;
  --accent-deep: #8d6320;
  --accent-soft: #f0e3c4;
  --good: #5a7a4a;
  --warn: #b87333;
  --bad: #a8412a;
  --shadow: 0 1px 0 rgba(0,0,0,0.02), 0 4px 16px rgba(80, 60, 30, 0.06);
  --shadow-strong: 0 2px 4px rgba(0,0,0,0.04), 0 8px 24px rgba(80, 60, 30, 0.08);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1612;
    --surface: #23201a;
    --surface-soft: #2d2920;
    --ink: #ece4d2;
    --ink-soft: #a89e89;
    --ink-faint: #7a705e;
    --rule: #3a342a;
    --accent: #e0a850;
    --accent-deep: #c08a2e;
    --accent-soft: #2e2618;
    --shadow: 0 1px 0 rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.3);
    --shadow-strong: 0 2px 4px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Layouts ---------- */

.bsos-doc { max-width: 740px; margin: 0 auto; padding: 56px 28px 96px; }

.bsos-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100vh;
}
@media (max-width: 800px) {
  .bsos-layout { grid-template-columns: 1fr; }
  .bsos-sidebar { display: none; }
}
.bsos-sidebar {
  padding: 48px 24px 48px 32px;
  border-right: 1px solid var(--rule);
  font-size: 14px;
}
.bsos-sidebar .home {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 15px;
  border-bottom: none;
}
.bsos-sidebar .home::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.bsos-sidebar ul { list-style: none; padding: 0; margin: 0; }
.bsos-sidebar li { margin: 4px 0; }
.bsos-sidebar a {
  color: var(--ink-soft); text-decoration: none; display: block;
  padding: 5px 10px; border-radius: 5px; border-bottom: none;
}
.bsos-sidebar a:hover { background: var(--accent-soft); color: var(--accent-deep); }
.bsos-sidebar a.active { color: var(--accent-deep); background: var(--accent-soft); font-weight: 500; }
.bsos-sidebar .group {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-faint); margin: 20px 0 6px; padding: 0 10px;
}
.bsos-main { padding: 56px 56px 96px; max-width: 760px; }
@media (max-width: 800px) { .bsos-main { padding: 32px 24px; } }

/* ---------- Wide & breakout ---------- */

/* Opt-in: widen the whole document column for content-heavy, less prose-y pages. */
.bsos-doc.wide { max-width: 1080px; }

/* Opt-in child: let one block escape the reading column and span the full
   viewport width — for wide tables, calendars, dashboards. Sits inside a
   normal .bsos-doc; everything around it stays at reading width. Cap the
   content by giving the inner element a max-width + margin:0 auto. */
.bsos-breakout {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
@media print {
  .bsos-breakout { width: auto; margin-left: 0; }
}

/* ---------- Masthead ---------- */

.bsos-kicker {
  font-size: 13px; color: var(--ink-soft); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px;
  border-bottom: none;
}
.bsos-kicker:hover { color: var(--accent-deep); }
.bsos-kicker::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.bsos-dek { font-size: 17px; color: var(--ink-soft); margin: 0 0 32px; max-width: 560px; }

.bsos-breadcrumb { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.bsos-breadcrumb a { color: var(--ink-soft); border-bottom: none; }
.bsos-breadcrumb a:hover { color: var(--accent-deep); }

/* ---------- Typography (also styles raw Markdown output) ---------- */

h1, h2, h3, h4, h5, h6 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.005em; }
h1 { font-size: 38px; line-height: 1.2; margin: 0 0 14px; letter-spacing: -0.015em; }
h2 { font-size: 24px; margin: 48px 0 14px; }
h2::before {
  content: ""; display: inline-block; width: 24px; height: 2px;
  background: var(--accent); vertical-align: middle; margin-right: 10px; transform: translateY(-4px);
}
h3 { font-family: var(--sans); font-size: 16px; margin: 28px 0 8px; font-weight: 600; }
h4 { font-family: var(--sans); font-size: 14px; margin: 20px 0 6px; font-weight: 600; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.06em; }

p { margin: 0 0 14px; }
ul, ol { margin: 0 0 16px; padding-left: 24px; }
li { margin-bottom: 4px; }
li > ul, li > ol { margin-top: 4px; margin-bottom: 4px; }

a { color: var(--accent-deep); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
a:hover { border-bottom-color: var(--accent); }

strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

blockquote {
  margin: 20px 0; padding: 12px 20px;
  border-left: 3px solid var(--accent);
  background: var(--surface); border-radius: 0 6px 6px 0;
  color: var(--ink-soft); font-style: italic;
}
blockquote p:last-child { margin-bottom: 0; }

hr { border: none; border-top: 1px solid var(--rule); margin: 40px 0; }

code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--accent-soft); padding: 1px 6px; border-radius: 4px; color: var(--accent-deep);
}
pre {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 8px;
  padding: 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.55;
  box-shadow: var(--shadow);
}
pre code { background: none; padding: 0; color: var(--ink); font-size: inherit; }

img { max-width: 100%; height: auto; border-radius: 6px; }

/* ---------- Tables ---------- */

table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  margin: 18px 0 32px; font-size: 14px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 10px;
  overflow: hidden; box-shadow: var(--shadow);
}
th, td { text-align: left; padding: 12px 16px; }
th {
  font-weight: 600; color: var(--ink-soft); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.06em; background: var(--accent-soft);
}
tbody tr { border-top: 1px solid var(--rule); }
td.num, th.num { font-variant-numeric: tabular-nums; text-align: right; font-family: var(--mono); }

/* ---------- Components ---------- */

.callout {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 10px;
  padding: 18px 22px; margin: 24px 0; box-shadow: var(--shadow); font-size: 15px;
}
.callout > :last-child { margin-bottom: 0; }
.callout .tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-deep);
  background: var(--accent-soft); padding: 3px 10px; border-radius: 20px; margin-bottom: 8px;
}
.callout.good { border-left: 3px solid var(--good); }
.callout.good .tag { color: var(--good); background: rgba(90, 122, 74, 0.12); }
.callout.warn { border-left: 3px solid var(--warn); }
.callout.warn .tag { color: var(--warn); background: rgba(184, 115, 51, 0.12); }
.callout.bad  { border-left: 3px solid var(--bad);  }
.callout.bad  .tag { color: var(--bad);  background: rgba(168, 65, 42, 0.12); }

.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px; margin: 20px 0 32px;
}
.card {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 10px;
  padding: 18px 20px; box-shadow: var(--shadow); position: relative;
}
.card.accent::before {
  content: ""; position: absolute; top: 0; left: 18px; right: 18px; height: 2px;
  background: var(--accent); border-radius: 0 0 2px 2px;
}
.card .label {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 6px; margin-top: 4px;
}
.card .title {
  font-family: var(--serif); font-weight: 600; font-size: 18px; margin-bottom: 8px;
}
.card .body { font-size: 13.5px; color: var(--ink-soft); line-height: 1.55; }

.bsos-footer {
  margin-top: 72px; padding-top: 20px; border-top: 1px solid var(--rule);
  font-size: 13px; color: var(--ink-soft);
}
.bsos-footer a { color: var(--ink-soft); border-bottom-color: var(--rule); }
.bsos-footer a:hover { color: var(--accent-deep); border-bottom-color: var(--accent); }

/* ---------- Print ---------- */

@media print {
  /* Print background colors as designed. Chrome strips them by default; this
     opts every element back in (callouts, badges, calendar row colors, the
     don'ts panel on henry-meltdown, etc.). */
  *, *::before, *::after {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  html, body { background: white; color: black; font-size: 11pt; }
  .bsos-sidebar, .bsos-breadcrumb, .bsos-footer { display: none; }
  .bsos-doc, .bsos-main { padding: 0; max-width: none; }
  .bsos-layout { display: block; }
  a { color: inherit; border-bottom: none; }
  .callout, .card, pre, table { box-shadow: none; }
}