.lab-hero {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 70px;
  padding-block: clamp(54px, 10vw, 130px) 54px;
}

.lab-kicker,
.lab-actions,
.lab-filter-row,
.lab-card-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.lab-lede {
  max-width: 720px;
  font-size: 21px;
}

.lab-summary-en,
.lab-muted,
.lab-section__heading > p,
.lab-result-count {
  color: var(--jx-muted);
}

.lab-facts {
  border-top: 2px solid var(--jx-ink);
  padding-top: 14px;
}

.lab-facts dl { margin: 0; }
.lab-facts div { padding: 12px 0; border-bottom: 1px solid var(--jx-line); }
.lab-facts dt { color: var(--jx-muted); font-size: 12px; }
.lab-facts dd { margin: 2px 0 0; }

.lab-section {
  padding-block: 62px;
  border-top: 1px solid var(--jx-line);
}

.lab-section__heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: end;
  margin-bottom: 28px;
}

.lab-route,
.lab-boundaries,
.lab-screenshot-grid,
.lab-scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.lab-route article,
.lab-boundaries article,
.lab-scenario-card,
.lab-screenshot {
  border: 1px solid var(--jx-line);
  background: var(--jx-surface);
  padding: 22px;
}

.lab-route small,
.lab-scenario-card small,
.lab-screenshot figcaption small {
  color: var(--jx-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.lab-route code { display: block; margin-top: 12px; }

.lab-screenshot { margin: 0; padding: 10px; }
.lab-screenshot img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #111;
}
.lab-screenshot figcaption { padding: 12px 8px 4px; }

.lab-filter-row {
  align-items: end;
  margin-bottom: 18px;
}

.lab-filter-row label {
  display: grid;
  gap: 5px;
  color: var(--jx-muted);
  font-size: 12px;
}

.lab-filter-row input,
.lab-filter-row select {
  min-height: 42px;
  border: 1px solid var(--jx-line);
  background: var(--jx-surface);
  color: var(--jx-ink);
  padding: 8px 10px;
  font: inherit;
}

.lab-filter-row input { min-width: min(360px, 75vw); }
.lab-result-count { margin-left: auto; }

.lab-scenario-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lab-scenario-card { display: grid; align-content: start; }
.lab-scenario-card h3 { margin: 8px 0; }
.lab-scenario-card p { font-size: 14px; }
.lab-scenario-card__meta { color: var(--jx-muted); }
.lab-card-actions { margin-top: auto; padding-top: 10px; }
.lab-card-actions a { font-size: 13px; }

.lab-evidence-line {
  border-left: 3px solid var(--jx-ink);
  padding: 4px 0 4px 18px;
  font-size: 18px;
}

.lab-run {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--jx-surface);
  padding: 28px;
}

.lab-empty {
  border: 1px dashed var(--jx-line);
  padding: 24px;
  color: var(--jx-muted);
}

@media (max-width: 900px) {
  .lab-scenario-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .lab-hero,
  .lab-section__heading,
  .lab-run,
  .lab-route,
  .lab-boundaries,
  .lab-screenshot-grid,
  .lab-scenario-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .lab-result-count { width: 100%; margin-left: 0; }
}