/* Provii Protocol Specification, print.css
 *
 * Loaded with <link rel="stylesheet" media="print"> so a user who hits
 * File > Print (or Save as PDF) in any modern browser gets a clean
 * single-column render with hex strings and wide tables handled.
 *
 * The guardrail here: long hex strings in Appendix A
 * and tables MUST NOT overflow the printed page. We wrap aggressively.
 */

@page {
  size: A4;
  margin: 20mm 18mm 22mm 18mm;
  @bottom-right {
    content: counter(page);
    font-size: 9pt;
    color: #666;
  }
}

/* Everything in one column, black on white, no backgrounds. */
html, body {
  background: #ffffff !important;
  color: #000000 !important;
  font-size: 10.5pt;
  line-height: 1.45;
}

.skip-link,
.site-header,
.sidebar,
nav#TOC {
  display: none !important;
}

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

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

/* Start each major section on its own page. */
h2 {
  break-before: page;
  page-break-before: always; /* legacy spelling for older engines */
  border-bottom: 1px solid #888;
  padding-bottom: 0.15rem;
}
/* Don't force a page break for the very first h2 (keeps the title page
 * immediately followed by the first section without a blank leaf). */
.doc-header + h2,
.doc-header + section > h2:first-child,
main > section:first-of-type > h2:first-child {
  break-before: auto;
  page-break-before: auto;
}

h1, h2, h3, h4 {
  break-after: avoid;
  page-break-after: avoid;
  color: #000000 !important;
}
h1 { font-size: 20pt; }
h2 { font-size: 15pt; }
h3 { font-size: 12pt; }
h4 { font-size: 11pt; }

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

/* Hide permalink markers in print; they're noise on paper. */
a.anchor { display: none !important; }

/* Inline links keep their text; don't auto-append URLs (too noisy for
 * a spec with hundreds of references). Anyone reading the PDF has the
 * rendered HTML available online for navigation. */
a, a:visited {
  color: #000000 !important;
  text-decoration: underline;
}

/* CRITICAL: long hex strings in Appendix A and
 * tables must not overflow the page width. */
pre {
  white-space: pre-wrap !important;
  word-break: break-all !important;
  overflow-wrap: anywhere !important;
  font-size: 8pt !important;
  line-height: 1.35 !important;
  background: transparent !important;
  border: 1px solid #cccccc !important;
  padding: 0.4rem 0.5rem !important;
  page-break-inside: avoid;
  break-inside: avoid;
}
code {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  font-size: 9pt !important;
  word-break: break-all;
}

table {
  font-size: 9pt !important;
  page-break-inside: auto;
  break-inside: auto;
  /* revert the on-screen scroll container */
  display: table !important;
  overflow: visible !important;
  width: 100% !important;
  border-collapse: collapse !important;
}
thead { display: table-header-group; } /* repeat thead on each page */
tr { page-break-inside: avoid; break-inside: avoid; }
th, td {
  border: 1px solid #888 !important;
  padding: 0.25rem 0.4rem !important;
  word-break: break-word;
  overflow-wrap: anywhere;
  background: transparent !important;
  color: #000000 !important;
}
tbody tr:nth-child(even) { background: transparent !important; }

blockquote {
  border-left: 2px solid #888 !important;
  background: transparent !important;
  color: #000000 !important;
  padding-left: 0.8rem !important;
}

/* Images and figures */
img { max-width: 100% !important; height: auto !important; }
figure { page-break-inside: avoid; break-inside: avoid; }

/* Kill any dark-mode colouring that might leak in from a user stylesheet. */
* {
  background-color: transparent !important;
  box-shadow: none !important;
  text-shadow: none !important;
}