:root {
  --hb-max-width: 860px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #212529;
  background: #f8f9fa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.container {
  width: min(100%, var(--hb-max-width));
  margin-inline: auto;
  padding-inline: 0.75rem;
}

.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.mb-3 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1rem; }
.small { font-size: 0.875rem; }

@media (min-width: 768px) {
  .py-md-5 { padding-top: 3rem; padding-bottom: 3rem; }
}

.paper {
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 0.6rem;
  padding: 2rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
}

.lead-note {
  border-left: 4px solid #0d6efd;
  padding-left: 0.9rem;
}

.signatures-block {
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  border: 1px solid #d6e4ff;
  border-left: 4px solid #4c7bd9;
  border-radius: 0.45rem;
  background: #f4f8ff;
}

.signatures-block h2,
.signatures-block h3 {
  color: #214a9b;
}

.toc-block {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid #e1e5ea;
  border-radius: 0.45rem;
  background: #fbfcfe;
}

.toc-block ul {
  margin: 0;
  padding-left: 1rem;
}

.toc-block li {
  margin: 0.15rem 0;
}

.toc-block .toc-h3 {
  margin-left: 0.8rem;
  font-size: 0.95em;
}

.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-pills { gap: 0.3rem; }

.nav-link {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  text-decoration: none;
  color: #0d6efd;
  border-radius: 0.45rem;
}

.nav-link:hover {
  background: #e9f2ff;
}

.topnav .nav-link.active {
  font-weight: 600;
  color: #fff;
  background: #0d6efd;
}

h1, h2, h3 {
  margin-top: 1.4rem;
  line-height: 1.3;
}

h1 { margin-top: 0; }

h2 {
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #e9ecef;
  margin-top: 2rem;
}

p, li { line-height: 1.68; }

a { text-underline-offset: 0.14em; }

/* Keep very long URLs from overflowing the content column. */
.paper a,
.paper p,
.paper li,
.paper td,
.paper blockquote {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.paper a {
  max-width: 100%;
  white-space: normal;
  word-break: break-all;
}

code {
  background: #f1f3f5;
  color: #212529;
  border-radius: 0.35rem;
  padding: 0.1rem 0.35rem;
  font-size: 0.92em;
}

pre code {
  display: block;
  padding: 0.9rem;
  overflow-x: auto;
}

blockquote {
  border-left: 4px solid #adb5bd;
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  color: #495057;
  background: #f8f9fa;
}

hr { margin: 1.8rem 0; }

table {
  width: 100%;
  margin: 1rem 0 1.4rem;
  border-collapse: collapse;
  border: 1px solid #dfe3e6;
  font-size: 0.97rem;
}

th, td {
  border: 1px solid #dfe3e6;
  padding: 0.58rem 0.65rem;
  vertical-align: top;
}

th {
  background: #f1f3f5;
  font-weight: 600;
}

tbody tr:nth-child(even) { background: #fbfcfd; }

footer { color: #6c757d; }

@media (max-width: 768px) {
  .paper { padding: 1rem; }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
    line-height: 1.45;
  }

  .container {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .paper {
    border: none;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
  }

  .topnav,
  .toc-block,
  .lead-note,
  .signatures-block .small {
    display: none !important;
  }

  h1, h2, h3 {
    color: #000;
    page-break-after: avoid;
    break-after: avoid-page;
  }

  h2, h3, p, li, blockquote, table, tr, td, th {
    page-break-inside: avoid;
    break-inside: avoid-page;
  }

  a,
  a:visited {
    color: #000;
    text-decoration: none;
  }

  table {
    border: 1px solid #666;
    font-size: 10pt;
  }

  th, td {
    border: 1px solid #777;
    background: transparent !important;
  }

  footer {
    margin-top: 1.2rem;
    color: #444;
    font-size: 9pt;
  }
}