// Content
h1 {
  max-width: var(--content-width);
  margin: 0 0 var(--space-4);
  color: var(--text-bright);
}

p {
  margin-top: 0;
}

main > article {
  max-width: var(--content-width);
  margin: 0 auto;
}

main > article > header {
  margin: 0;
  padding: 2.25rem 0 var(--space-6);
}

main > article > header :is(p, .inline-list) {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;

  > li:not(:last-child)::after {
    margin-right: 0.35em;
    content: " ·";
  }
}

// Style details as a link
details.link-details {
  margin: 0;
  padding: 0;
  border: 0;
  display: inline;

  summary {
    display: inline;
    width: fit-content;
    list-style: none;
    color: var(--links);
    text-decoration-line: underline;
    text-decoration-color: color-mix(in srgb, currentColor 65%, transparent);
    text-decoration-thickness: var(--rule-width);
    text-underline-offset: 0.14em;
    transition: color var(--duration-normal) var(--ease-linear), text-decoration-color var(--duration-normal) var(--ease-linear), text-decoration-thickness var(--duration-normal) var(--ease-linear), text-underline-offset var(--duration-normal) var(--ease-out);

    &:hover,
    &:focus-visible {
      color: var(--primary);
      text-decoration-color: var(--primary);
      text-decoration-thickness: 2px;
      text-underline-offset: 0.2em;
    }
  }
  &[open] {
    display: contents;
  }
}

main > article > section > p {
  margin-bottom: 1.15rem;
}

main > article > section > :is(h2, h3) {
  color: var(--primary);
}

main > article > section > :is(h2, h3, h4) {
  font-weight: 700;
}

main > article > section > h2 {
  margin: 2.6rem 0 var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--rule-width) solid var(--border);
  border-image: var(--starlight-rule);
  font-family: var(--font-body);
  font-size: 2rem;
  line-height: 1.2;

  &:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    border-image: none;
  }
}

main > article > section > h3 {
  margin: 2rem 0 0.7rem;
  font-size: 1.4rem;
  line-height: 1.35;
}

main > article > section > h4 {
  margin: 1.6rem 0 0.55rem;
  color: var(--text-main);
  font-size: 1.05rem;
  line-height: 1.4;
}

main > article > section > ul {
  margin: var(--space-4) 0 var(--space-6);
  padding-left: 1.35rem;

  li + li {
    margin-top: 0.7rem;
  }
}

// Table of contents: delimited by starlight rules like the site's other
// structural blocks, rather than as a filled panel (which here reads as code).
.toc {
  margin: 0 0 var(--space-8);
  padding: var(--space-3) 0;
  border: 0;
  border-top: var(--rule-width) solid var(--border);
  border-bottom: var(--rule-width) solid var(--border);
  border-image: var(--starlight-rule);

  > summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    transition: color var(--duration-normal) var(--ease-linear);

    &:hover,
    &:focus-visible {
      color: var(--primary);
    }
  }

  &[open] > summary {
    margin-bottom: var(--space-3);
  }

  ol {
    margin: 0;
    padding-left: 0;
    counter-reset: toc;
    list-style: none;
  }

  ol ol {
    padding-left: var(--space-4);
  }

  li {
    margin: 0.15rem 0;
    counter-increment: toc;
    font-size: 0.95rem;
    line-height: 1.4;
  }

  // Flex keeps wrapped entries hanging-indented past their number.
  li > a {
    display: flex;
    gap: 0.5em;
    width: fit-content;
    color: var(--text-main);
    text-decoration: none;

    &::before {
      flex: none;
      min-width: 1.7em;
      color: var(--text-muted);
      content: counters(toc, ".") ". ";
      font-family: var(--font-mono);
      font-size: 0.85em;
      transition: color var(--duration-normal) var(--ease-linear);
    }

    &:hover,
    &:focus-visible {
      color: var(--primary);
      text-decoration: underline;

      &::before {
        color: var(--primary);
      }
    }
  }
}

// Keep ambient stars clear of article content while softly feathering the edges.
article > section {
  // Wide children provide their own scrollers; don't let them widen the page.
  overflow-x: clip;
  overflow-clip-margin: var(--space-2);
  background: var(--background-body);
  box-shadow: 0 0 1.5rem 0.5rem var(--background-body);
}

.document > section {
  max-width: var(--document-width);
  margin-inline: auto;
}