app/src/styles/_print.css

/* ============================================================================ */
/* Print styles */
/* ========================================================================= */
@media print {

  html,
  body {
    background: #fff;
  }

  /* Margins handled by Playwright; avoid extra global margins */
  body {
    margin: 0;
  }

  /* Keep the banner (hero), hide non-essential UI elements */
  #theme-toggle {
    display: none !important;
  }

  /* Links: remove underline */
  .content-grid main a {
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 0, 0, .2);
  }

  /* Avoid breaks inside complex blocks */
  .content-grid main pre,
  .content-grid main blockquote,
  .content-grid main table,
  .content-grid main figure {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* Soft page breaks around main headings */
  .content-grid main h2 {
    page-break-before: auto;
    page-break-after: avoid;
    break-after: avoid-page;
  }

  /* Small icon labels not needed when printing */
  .code-lang-chip {
    display: none !important;
  }

  /* Adjust more contrasty colors for print */
  :root {
    --border-color: rgba(0, 0, 0, .2);
    --link-underline: rgba(0, 0, 0, .3);
    --link-underline-hover: rgba(0, 0, 0, .4);
  }

  /* Force single column to reduce widows/orphans and awkward breaks */
  .content-grid {
    grid-template-columns: 1fr !important;
  }

  .table-of-contents,
  .right-aside,
  .table-of-contents-mobile {
    display: none !important;
  }

  main>nav:first-of-type {
    display: none !important;
  }

  /* Avoid page breaks inside complex visual blocks */
  .hero,
  .hero-banner,
  .hero-banner svg,
  .hero-banner canvas,
  .hero-banner .d3-galaxy,
  .hero-banner .threejs-galaxy,
  .hero-banner .d3-latent-space,
  .hero-banner .neural-flow,
  .hero-banner .molecular-space,
  .hero-banner [class*="banner"],
  .d3-banner,
  .d3-banner svg,
  .html-embed__card,
  .html-embed__card,
  .js-plotly-plot,
  figure,
  pre,
  table,
  blockquote,
  .wide,
  .full-width {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* Prefer keeping header+lead together */
  .hero {
    page-break-after: avoid;
  }
}


@media print {
  .meta-container-cell--pdf {
    display: none !important;
  }
}