/* Only the Viewer collection and its three articles use these rules. */
#nrv-viewer .sitemap-card {
  min-height: 0;
  padding: 0 0 20px;
  overflow: hidden;
}

#nrv-viewer .calibration-card-thumb {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  margin: 0;
  object-fit: contain;
  background: #f5f7f9;
}

#nrv-viewer .sitemap-number {
  width: 44px;
  min-width: 44px;
  height: 44px;
  margin: 18px 20px 12px;
  font-size: 0.82rem;
}

#nrv-viewer .entry-card-kicker {
  margin: 0 20px 8px;
  font-size: 0.66rem;
}

#nrv-viewer .sitemap-card h2 {
  margin: 0 20px 10px;
  font-size: 1.05rem;
}

#nrv-viewer .sitemap-card p {
  margin: 0 20px;
  font-size: 0.92rem;
  line-height: 1.6;
}

body.viewer-doc-page .doc-figure {
  width: min(100%, 820px);
}

body.viewer-doc-page .doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

body.viewer-doc-page .figure-wide {
  width: min(100%, 1000px);
}

body.viewer-doc-page .figure-control {
  width: min(100%, 400px);
}

body.viewer-doc-page .figure-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 1.5rem auto 2rem;
  max-width: 1000px;
}

body.viewer-doc-page .figure-pair .doc-figure {
  margin: 0;
}

body.viewer-doc-page .viewer-table {
  max-width: 100%;
  overflow-x: auto;
  margin: 1.4rem 0 2rem;
}

body.viewer-doc-page .viewer-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

body.viewer-doc-page .viewer-table th,
body.viewer-doc-page .viewer-table td {
  padding: 0.75rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

body.viewer-doc-page .viewer-table th {
  background: var(--panel);
}

body.viewer-doc-page .viewer-code {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.82rem;
  line-height: 1.7;
}

@media (max-width: 680px) {
  body.viewer-doc-page .figure-pair {
    grid-template-columns: 1fr;
  }
}