:root {
  --fg: #1a1a1a; --muted: #666; --bg: #fafafa; --card: #fff;
  --border: #e1e1e1; --accent: #2563eb; --warn: #d97706; --ok: #047857; --bad: #b91c1c;
}
* { box-sizing: border-box; }
body {
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--fg); background: var(--bg); margin: 0;
}
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
code { background: #f1f5f9; padding: 1px 4px; border-radius: 3px; font-size: .92em; }
pre { background: #f8fafc; border: 1px solid var(--border); border-radius: 4px; padding: 10px; overflow: auto; }
pre code { background: none; padding: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }

.site-header { background: #111827; color: white; padding: 10px 16px; }
.site-header-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.brand { color: white; font-weight: 700; text-decoration: none; }
.site-header nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav-link { color: #cbd5e1; text-decoration: none; font-size: 13px; }
.nav-link:hover, .nav-link.active { color: white; }
.nav-link.active { border-bottom: 2px solid var(--accent); padding-bottom: 1px; }

.site-main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.site-footer { max-width: 1100px; margin: 40px auto 24px; padding: 0 16px; color: var(--muted); font-size: 12px; }

.lede { color: var(--muted); font-size: 15px; max-width: 720px; }

table.agg { border-collapse: collapse; font-size: 14px; margin: 12px 0; }
table.agg th, table.agg td { padding: 6px 12px; border-bottom: 1px solid var(--border); text-align: left; }
table.agg thead th { background: #f3f4f6; font-weight: 600; color: var(--muted); }

.md-body { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 20px 28px; }
.md-body h1 { margin-top: 0; }
.md-body h2 { border-bottom: 1px solid var(--border); padding-bottom: 4px; margin-top: 28px; }
.md-body table { border-collapse: collapse; }
.md-body th, .md-body td { padding: 6px 10px; border: 1px solid var(--border); }
.md-body th { background: #f3f4f6; text-align: left; }
.md-body details { border: 1px solid var(--border); border-radius: 4px; padding: 6px 10px; margin: 6px 0; background: #f8fafc; }
.md-body summary { cursor: pointer; color: var(--accent); }
.md-body img { max-width: 100%; }

.viewer-frame { display: block; width: 100%; height: 85vh; border: 1px solid var(--border); border-radius: 6px; background: white; }