@media print {
  /* Hide chrome that does not belong in a printed report */
  .site-header,
  .sidebar,
  .sidebar-reveal,
  .footer,
  .print-button,
  .pdf-download-button,
  .breadcrumbs,
  .mobile-menu-toggle,
  .mobile-nav-backdrop,
  .sidebar-close,
  .site-nav-mobile {
    display: none !important;
  }

  /* The on-screen frontmatter collapsible is replaced by the print cover */
  .frontmatter {
    display: none !important;
  }

  /* Reset page canvas */
  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  html,
  body {
    margin: 0;
    padding: 0;
    background: #fff;
    color: #1a1a1a;
    font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
    font-size: 10.5pt;
    line-height: 1.55;
  }

  .layout {
    display: block;
    max-width: none;
    padding: 0;
    margin: 0;
  }

  main {
    margin: 0;
  }

  .content {
    max-width: none;
    padding: 0;
  }

  /* Cover page */
  .print-cover {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    min-height: 90vh;
    padding: 2cm 0;
    page-break-after: always;
    break-after: page;
  }

  .print-cover-brand {
    font-size: 11pt;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #e30613;
    margin-bottom: 1.5cm;
  }

  .print-cover-doctype {
    font-size: 11pt;
    font-weight: 400;
    color: #5a5a5a;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.6cm;
  }

  .print-cover-title {
    font-size: 28pt;
    font-weight: 700;
    line-height: 1.15;
    color: #1a1a1a;
    margin: 0 0 0.8cm 0;
    padding: 0;
    border: none;
  }

  .print-cover-description {
    font-size: 11pt;
    color: #4a4a4a;
    line-height: 1.6;
    max-width: 16cm;
    margin: 0 0 1.5cm 0;
  }

  .print-cover-meta {
    width: 100%;
    max-width: 14cm;
    border-collapse: collapse;
    margin-top: 0.5cm;
    font-size: 10pt;
  }

  .print-cover-meta th,
  .print-cover-meta td {
    padding: 0.35cm 0.5cm;
    text-align: left;
    vertical-align: top;
    border-bottom: 0.5pt solid #d1d5db;
  }

  .print-cover-meta th {
    width: 40%;
    font-weight: 600;
    color: #5a5a5a;
    background: #f8f9fa;
  }

  .print-cover-meta td {
    width: 60%;
    color: #1a1a1a;
  }

  /* Content typography */
  .content h1 {
    font-size: 18pt;
    font-weight: 700;
    color: #1a1a1a;
    border-bottom: 1pt solid #d1d5db;
    padding-bottom: 0.3cm;
    margin-top: 0;
    margin-bottom: 0.6cm;
    page-break-after: avoid;
    break-after: avoid;
  }

  .content h2 {
    font-size: 14pt;
    font-weight: 700;
    color: #1a1a1a;
    border-bottom: 0.5pt solid #e9ecef;
    padding-bottom: 0.2cm;
    margin-top: 0.9cm;
    margin-bottom: 0.4cm;
    page-break-after: avoid;
    break-after: avoid;
  }

  .content h3 {
    font-size: 12pt;
    font-weight: 700;
    color: #2a2a2a;
    margin-top: 0.7cm;
    margin-bottom: 0.3cm;
    page-break-after: avoid;
    break-after: avoid;
  }

  .content h4,
  .content h5,
  .content h6 {
    font-size: 11pt;
    font-weight: 700;
    color: #333;
    margin-top: 0.6cm;
    margin-bottom: 0.25cm;
    page-break-after: avoid;
    break-after: avoid;
  }

  .content p {
    margin: 0 0 0.4cm 0;
    orphans: 3;
    widows: 3;
  }

  .content ul,
  .content ol {
    margin: 0 0 0.5cm 0;
    padding-left: 1cm;
  }

  .content li {
    margin-bottom: 0.15cm;
  }

  /* Links */
  a {
    color: #1a1a1a;
    text-decoration: none;
  }

  /* Only external links get a URL annotation */
  a[href^="http"]::after,
  a[href^="mailto:"]::after {
    content: " (" attr(href) ")";
    font-size: 8.5pt;
    color: #555;
    word-break: break-all;
  }

  a[href^="#"]::after,
  a[href^="javascript:"]::after,
  a[href^="../../"]::after,
  a[href^="../"]::after,
  a[href^="./"]::after {
    content: "";
  }

  /* Tables */
  .content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.5cm 0;
    font-size: 10pt;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .content thead {
    display: table-header-group;
  }

  .content th,
  .content td {
    padding: 0.25cm 0.35cm;
    border: 0.5pt solid #d1d5db;
    text-align: left;
    vertical-align: top;
  }

  .content th {
    background: #f8f9fa;
    font-weight: 600;
  }

  .content tr {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Images */
  .content img {
    max-width: 100%;
    max-height: 16cm;
    height: auto;
    display: block;
    margin: 0.5cm 0;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .content figure {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Blockquotes / callouts */
  .content blockquote {
    page-break-inside: avoid;
    break-inside: avoid;
    border-left: 3pt solid #e30613;
    background: #f8f9fa;
    padding: 0.4cm 0.6cm;
    margin: 0.5cm 0;
  }

  .content blockquote p:last-child {
    margin-bottom: 0;
  }

  /* Code */
  .content pre {
    background: #f5f5f5;
    border: 0.5pt solid #ddd;
    padding: 0.4cm;
    font-size: 9pt;
    line-height: 1.4;
    page-break-inside: avoid;
    break-inside: avoid;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 9pt;
    background: #f5f5f5;
    padding: 0.05cm 0.15cm;
    border-radius: 2pt;
  }

  .content pre code {
    background: transparent;
    padding: 0;
  }

  /* Cards */
  .card {
    border: 0.5pt solid #ccc;
    box-shadow: none;
    padding: 0.5cm;
    margin: 0.4cm 0;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .card h3 {
    margin-top: 0;
  }

  /* Placeholder banner */
  .placeholder-banner {
    border: 1pt solid #c25e00;
    background: #fff8f0;
    color: #7a3d00;
    padding: 0.4cm 0.6cm;
    margin-bottom: 0.6cm;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Page setup and running elements */
  @page {
    size: A4;
    margin: 2cm 1.8cm 2.5cm 1.8cm;

    @top-left {
      font-size: 8.5pt;
      color: #5a5a5a;
      border-bottom: 0.5pt solid #e9ecef;
      padding-bottom: 0.3cm;
    }

    @top-right {
      font-size: 8.5pt;
      color: #5a5a5a;
      border-bottom: 0.5pt solid #e9ecef;
      padding-bottom: 0.3cm;
      text-align: right;
    }

    @bottom-center {
      content: counter(page);
      font-size: 9pt;
      color: #5a5a5a;
      border-top: 0.5pt solid #e9ecef;
      padding-top: 0.3cm;
    }

    @bottom-right {
      content: "OpenVVVF Documentation";
      font-size: 8pt;
      color: #888;
      border-top: 0.5pt solid #e9ecef;
      padding-top: 0.3cm;
      text-align: right;
    }
  }

  /* First page (cover) has no running headers/footers */
  @page :first {
    @top-left { content: none; }
    @top-right { content: none; }
    @bottom-center { content: none; }
    @bottom-right { content: none; }
  }

  /* Hidden strings kept for browsers that support CSS Generated Content for Paged Media */
  .print-cover-strings {
    position: absolute;
    left: -9999px;
    top: 0;
  }

  /* Headings should not be orphaned */
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    break-after: avoid;
  }

  table, figure, pre, blockquote, .card {
    page-break-inside: avoid;
    break-inside: avoid;
  }
}