/* Indonesian edition reader geometry.
 * PreTeXt 2.49.1 otherwise leaves a 696px column flush against the left edge
 * of a 960px main pane.  Preserve a comfortable line length while centering
 * the book and using substantially more of the available screen. */

.ptx-page {
  box-sizing: border-box;
  width: 100%;
  max-width: 90rem;
  margin-inline: auto;
}

#ptx-content.ptx-content {
  box-sizing: border-box;
  width: min(100%, 60rem);
  max-width: 60rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 3.25vw, 3rem);
}

@media (max-width: 43.75rem) {
  #ptx-content.ptx-content {
    width: 100%;
    padding-inline: clamp(1rem, 4.5vw, 1.5rem);
  }
}


/* DOI-bound release metadata; deterministic public-artifact addition, 2026-08-22.2. */
.r012-release-metadata {
  box-sizing: border-box;
  width: min(60rem, 100%);
  margin: 1.25rem auto 2rem;
  padding: 1rem 1.25rem;
  border: 1px solid #8aa0b8;
  border-left: 0.35rem solid #16395f;
  border-radius: 0.25rem;
  background: #f5f8fb;
  color: #182330;
}
.r012-release-metadata p { margin: 0.45rem 0; }
.r012-release-metadata .r012-release-lead { margin-top: 0; font-size: 1.05em; }
.r012-release-metadata a { overflow-wrap: anywhere; }
@media (max-width: 700px) {
  .r012-release-metadata { margin: 1rem auto 1.5rem; padding: 0.85rem 1rem; }
}