@media print {
  @page {
    size: Letter;
    margin: 0.7in 0.65in 0.75in;
  }

  h2, h3, h4 {
    break-after: avoid-page;
    page-break-after: avoid;
  }

  p, li {
    orphans: 3;
    widows: 3;
  }

  pre, blockquote, table, figure,
  p[align="center"] {
    break-inside: avoid-page;
    page-break-inside: avoid;
  }

  img {
    max-height: 7.1in;
    object-fit: contain;
  }

  table {
    font-size: 0.88em;
  }

  thead {
    display: table-header-group;
  }

  a {
    overflow-wrap: anywhere;
  }

  .nav-chapters, .mobile-nav-chapters {
    display: none !important;
  }
}

/* Wide comparison and worksheet tables need compact print typography. */
@media print {
  table {
    width: 100%;
    table-layout: fixed;
  }

  th, td {
    min-width: 0 !important;
    overflow-wrap: anywhere;
    word-break: normal;
    hyphens: auto;
  }

  table.wide-table {
    font-size: 0.68em;
    line-height: 1.18;
  }

  table.wide-table th,
  table.wide-table td {
    padding: 3px 4px;
  }
}

/* Printed table of contents. Page numbers are filled by the two-pass PDF build. */
@media print {
  #pdf-table-of-contents {
    break-after: page;
    page-break-after: always;
  }

  #pdf-table-of-contents > h1 {
    margin-bottom: 1.2em;
  }

  .pdf-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.52em;
    line-height: 1.1;
  }

  .pdf-toc-list li {
    break-inside: avoid;
    page-break-inside: avoid;
    margin: 0 0 0.08em;
  }

  .pdf-toc-list a {
    color: inherit;
    display: flex;
    gap: 0.45em;
    text-decoration: none;
  }

  .pdf-toc-title {
    display: flex;
    flex: 1;
    align-items: baseline;
  }

  .pdf-toc-title::after {
    border-bottom: 1px dotted #999;
    content: "";
    flex: 1;
    margin: 0 0.3em 0.22em;
  }

  .pdf-toc-page {
    min-width: 2.2em;
    text-align: right;
  }

  .pdf-toc-level-2 { padding-left: 1.2em; }
  .pdf-toc-level-3 { padding-left: 2.4em; }
  .pdf-toc-level-1 {
    font-weight: 600;
    margin-top: 0.55em !important;
  }
}

@media print {
  .pdf-front-page {
    box-sizing: border-box;
    min-height: 9.45in;
    break-after: page;
    page-break-after: always;
    position: relative;
  }

  .pdf-cover, .pdf-title-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }

  .pdf-cover h1 { font-size: 3.2em; margin-bottom: 0.5em; }
  .pdf-cover p { font-size: 1.25em; color: #555; }
  .pdf-title-page h1 { font-size: 2.6em; margin-bottom: 0.6em; }
  .pdf-title-page > p { font-size: 1.1em; }
  .pdf-title-page .pdf-author { margin-top: 4em; font-size: 1.35em; }
  .pdf-copyright-page { padding-top: 4.8in; }
  .pdf-copyright-page h1 { font-size: 1.3em; }
  .pdf-copyright-page p { font-size: 0.85em; max-width: 34em; }
}