@media print {
    /* Embedded SVG diagrams must use their light palette when printing. */
    .markdown img { color-scheme: only light; }
    /* Keep each diagram with its caption and each Key Information box intact. */
    .markdown figure,
    .markdown blockquote { break-inside: avoid; }
    .markdown figcaption { break-before: avoid; }
    /* These diagrams remain clear at this width and fit with their lead-ins. */
    .markdown img[src$="/s1-3-resonance-comparison.svg"],
    .markdown img[src$="/s1-4-transformer-ratios.svg"] { width: 80%; }
    /* Keep displayed calculations with their introductory text. */
    .markdown .katex-display { break-before: avoid; break-inside: avoid; }
    .markdown li:has(.katex-display) { break-inside: avoid; }
    /* These small reference tables are easier to compare on a single page. */
    #pt1chpt1section-15-power-and-measurementsmd > table,
    #pt1chpt2section-24-digital-circuit-fundamentalsmd table,
    #pt2chpt6section-61-ac-power-and-protectionmd table { break-inside: avoid; }
    /* Pool subsection labels must stay with the first question. */
    .full-pool .section-head,
    .full-pool .subel { break-after: avoid; }
    /* Wrapped table headings need room for both lines in the 6-by-9 edition. */
    .markdown table th { line-height: 1.2; }
    /* Keep the short 60-meter power comparison on one page. */
    #pt2chpt9section-92-power-and-antenna-limitsmd table { break-inside: avoid; }
    /* Fit the complete alphabet table below its introductory text. */
    #appendxphoneticsmd table { break-inside: avoid; }
    #appendxphoneticsmd table th,
    #appendxphoneticsmd table td { padding-top: .35rem; padding-bottom: .35rem; }
    /* A review banner should stay with the questions it introduces. */
    .study-prompt { break-after: avoid; }
    .questions-list > .spacer-1 { break-after: avoid; }
  }