:root {
  --bg: #0f172a;
  --panel: #111827;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --brand: #2563eb;
  --brand-soft: #dbeafe;
  --ok: #166534;
  --warn: #92400e;
  --bad: #991b1b;
  --line: #e5e7eb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: #f8fafc;
  line-height: 1.6;
}
a { color: var(--brand); }
a:hover { text-decoration-thickness: 2px; }
header.site {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: white;
  padding: 28px 0;
}
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
nav.main {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 16px;
}
nav.main a { color: #dbeafe; text-decoration: none; }
nav.main a:hover { color: white; text-decoration: underline; }
.hero {
  padding: 32px 0 18px;
}
.badges { display:flex; flex-wrap:wrap; gap:10px; margin: 14px 0 0; }
.badge {
  display:inline-block; padding: 6px 10px; border-radius: 999px;
  background: rgba(255,255,255,.12); color: white; font-size: 14px;
}
main { padding: 28px 0 56px; }
.grid {
  display:grid;
  gap: 18px;
}
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
}
.card h2, .card h3 { margin-top: 0; }
.note {
  border-left: 4px solid var(--brand);
  background: #eff6ff;
  padding: 14px 16px;
  border-radius: 8px;
}
.note.warn { border-left-color: #d97706; background: #fff7ed; }
.note.bad { border-left-color: #dc2626; background: #fef2f2; }
code.inline { background:#eef2ff; padding:2px 6px; border-radius:6px; }
footer.site {
  border-top: 1px solid var(--line);
  background: white;
  padding: 26px 0 40px;
  color: var(--muted);
}
.small { font-size: 14px; color: var(--muted); }
.table {
  width:100%; border-collapse: collapse; font-size: 15px;
}
.table th, .table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align:left;
  vertical-align: top;
}
.table th { background:#f8fafc; }
.list-clean { margin:0; padding-left: 18px; }
.section-space { margin-top: 22px; }
.callout-ok { color: var(--ok); font-weight: 700; }
.callout-bad { color: var(--bad); font-weight: 700; }
.callout-warn { color: var(--warn); font-weight: 700; }
.kpi {
  font-size: 28px; font-weight: 800; line-height:1.1; margin: 0 0 6px;
}
.lab-index a { word-break: break-word; }
.plain-page {
  max-width: 840px; margin: 40px auto; padding: 0 16px;
}
blockquote {
  margin: 16px 0; padding: 14px 16px; background: #f8fafc; border-left: 4px solid #cbd5e1;
}