/* Foundational Mathematics — print stylesheet.
 * Used by foundational-mathematics-print.html.
 * Clean white pages, serif body, page breaks per chapter.
 */
@page {
  size: A4;
  margin: 22mm 18mm 22mm 18mm;
}

.print-book {
  background: #fff;
  color: #111;
  font-family: Georgia, "Times New Roman", serif;
}

.print-book body {
  display: block;
  background: #fff;
  color: #111;
  padding: 0;
  grid-template-columns: none;
  font-family: Georgia, "Times New Roman", serif;
}

.print-book .page-nav,
.print-book #loading-screen,
.print-book .no-print,
.print-book .skip-link,
.print-book #site-clock {
  display: none !important;
}

.print-book main,
.print-book .page-shell {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  background: #fff;
  border: none;
  box-shadow: none;
  grid-column: auto;
  grid-row: auto;
}

.print-book .book-cover {
  text-align: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 3px double #111;
}

.print-book .book-cover .eyebrow {
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.8rem;
  color: #444;
}

.print-book .book-cover h1 {
  background: none;
  color: #111;
  border: none;
  box-shadow: none;
  padding: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.6rem;
  letter-spacing: 0;
  margin: 0.5rem 0;
}

.print-book .book-cover .subtitle {
  font-style: italic;
  color: #333;
  font-size: 1.15rem;
}

.print-book .book-cover .meta {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #555;
  font-family: Arial, Helvetica, sans-serif;
}

.print-book .book-toc {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border: 1px solid #999;
}

.print-book .book-toc h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid #111;
  display: block;
  font-family: Arial, Helvetica, sans-serif;
}

.print-book .book-toc ol {
  margin: 0.75rem 0 0 1.25rem;
  line-height: 1.8;
}

.print-book .book-chapter {
  page-break-before: always;
  padding-top: 0.5rem;
}

.print-book .book-chapter:first-of-type {
  page-break-before: auto;
}

.print-book .book-chapter h2.chapter-title {
  font-size: 1.8rem;
  border-bottom: 2px solid #111;
  display: block;
  padding-bottom: 0.3rem;
}

.print-book .book-chapter h3 {
  font-size: 1.2rem;
  margin-top: 1.25rem;
  font-family: Arial, Helvetica, sans-serif;
}

.print-book .book-chapter p,
.print-book .book-chapter li {
  color: #111 !important;
  font-size: 11.5pt;
  line-height: 1.6;
  max-width: none;
}

.print-book .book-colophon {
  page-break-before: always;
  border-top: 3px double #111;
  padding-top: 1rem;
  font-size: 10pt;
  color: #333;
}

@media print {
  .print-book body {
    background: #fff !important;
  }
  .print-book .book-chapter {
    page-break-inside: auto;
  }
  .print-book .book-chapter h2,
  .print-book .book-chapter h3 {
    page-break-after: avoid;
  }
  .print-book p, .print-book li {
    orphans: 3;
    widows: 3;
  }
  .print-book a {
    color: #111;
    text-decoration: none;
  }
  .print-book a[href^="http"]::after {
    content: none;
  }
}

@media screen {
  .print-book body {
    max-width: 820px;
    margin: 0 auto;
  }
  .print-book main {
    padding: 1rem;
  }
}