/* Small, print-friendly additions; the book remains useful with no JavaScript. */
.metric-good { color: #18794e; font-weight: 600; }
.metric-warn { color: #9a6700; font-weight: 600; }
.metric-bad { color: #cf222e; font-weight: 600; }
.wide-table table { font-size: 0.88em; }
.figure { text-align: center; margin: 1.5rem auto; }
.figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(100, 116, 139, 0.28);
  border-radius: 0.75rem;
  background: #f8fafc;
}
.caption { color: var(--fg); opacity: 0.78; font-size: 0.9em; }
.katex math[display="block"] {
  display: block;
  max-width: 100%;
  margin: 1rem auto;
  overflow-x: auto;
  overflow-y: hidden;
}