:root {
  --fg: #1a1a1a;
  --bg: #f7f7f7;
  --card: #ffffff;
  --muted: #666;
  --accent: #0a558c;
  --critical: #b00020;
  --border: #ddd;
}
* { box-sizing: border-box; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  margin: 0; color: var(--fg); background: var(--bg);
}
header {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem; display: flex; align-items: center; gap: 1.5rem;
}
header h1 { margin: 0; font-size: 1rem; }
nav a { margin-right: 1rem; color: var(--accent); text-decoration: none; }
main { padding: 1.25rem; max-width: 1100px; }
section { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 1rem; margin-bottom: 1rem; }
h2 { margin-top: 0; font-size: 1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.5rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #fafafa; font-weight: 600; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
pre { background: #0e1116; color: #c9d1d9; padding: 0.75rem; border-radius: 4px; overflow-x: auto; }
.muted { color: var(--muted); font-size: 0.9em; }
.critical { color: var(--critical); font-weight: 600; font-size: 0.75rem; }
button { padding: 0.35rem 0.7rem; cursor: pointer; }
dialog { padding: 1.25rem; border: 1px solid var(--border); border-radius: 6px; max-width: 420px; }
dialog label { display: block; margin: 0.75rem 0; }
dialog input { width: 100%; padding: 0.4rem; }
dialog menu { display: flex; gap: 0.5rem; justify-content: flex-end; padding: 0; margin-top: 1rem; }