/**
 * Sectional counter for articles
 */

%han-section-counter
  counter-reset: han-article-h2 han-article-h3 han-article-h4

  h2:not(.toc)
    counter-reset: han-article-h3 han-article-h4

    &:before
      content: counter(han-article-h2) '\3000'
      content: counter(han-article-h2, cjk-ideographic) '\3001'
      counter-increment: han-article-h2

  h3:not(.toc)
    counter-reset: han-article-h4

    &:before
      content: counter(han-article-h2) '.' counter(han-article-h3) '\3000'
      counter-increment: han-article-h3

  h4:not(.toc)
    &:before
      content: counter(han-article-h2) '.' counter(han-article-h3) '.' counter(han-article-h4) '\3000'
      counter-increment: han-article-h4

%han-toc-counter
  counter-reset: han-toc-h2 han-toc-h3 han-toc-h4

  li
    list-style: none

  > li
    counter-reset: han-toc-h3 han-toc-h4

    &:before
      // typography
      content: counter(han-toc-h2) '\3000'
      content: counter(han-toc-h2, cjk-ideographic) '\3001'
      counter-increment: han-toc-h2

  > li > ol > li
    counter-reset: han-toc-h4

    &:before
      // position
      margin-right: .5em
      // typography
      content: counter(han-toc-h2) '.' counter(han-toc-h3)
      counter-increment: han-toc-h3

  ol ol > li
    &:before
      // position
      margin-right: .5em
      // typography
      content: counter(han-toc-h2) '.' counter(han-toc-h3) '.' counter(han-toc-h4)
      counter-increment: han-toc-h4

@if ( $han-section-counter )
  #{$han-article}
    +han-section-counter( $han-section-counter-toc )