/* Per-document override: force ISO 2145 inside .numbered_headings_iso_2145 */
/* Scoped rules win over the unscoped global rules by class specificity.    */

.numbered_headings_iso_2145 h2 {
  counter-increment: h2counter;
  counter-reset: h3counter;
}

.numbered_headings_iso_2145 h2::before {
  content: counter(h2counter) ". ";
}

.numbered_headings_iso_2145 h3 {
  counter-increment: h3counter;
  counter-reset: h4counter;
}

.numbered_headings_iso_2145 h3::before {
  content: counter(h2counter) "." counter(h3counter) ". ";
}

.numbered_headings_iso_2145 h4 {
  counter-increment: h4counter;
  counter-reset: h5counter;
}

.numbered_headings_iso_2145 h4::before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter)
    ". ";
}

.numbered_headings_iso_2145 h5 {
  counter-increment: h5counter;
}

.numbered_headings_iso_2145 h5::before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "."
    counter(h5counter) ". ";
}

/* TOC override via :has() — the right-rail TOC lives outside the wrapped body. */

:root:has(.numbered_headings_iso_2145) ul.table-of-contents > li::before {
  content: counter(toc-h2) ". ";
}

:root:has(.numbered_headings_iso_2145)
  ul.table-of-contents
  > li
  > ul
  > li::before {
  content: counter(toc-h2) "." counter(toc-h3) ". ";
}

:root:has(.numbered_headings_iso_2145)
  ul.table-of-contents
  > li
  > ul
  > li
  > ul
  > li::before {
  content: counter(toc-h2) "." counter(toc-h3) "." counter(toc-h4) ". ";
}

:root:has(.numbered_headings_iso_2145)
  ul.table-of-contents
  > li
  > ul
  > li
  > ul
  > li
  > ul
  > li::before {
  content: counter(toc-h2) "." counter(toc-h3) "." counter(toc-h4) "."
    counter(toc-h5) ". ";
}