.comparison-settings {
  min-width: 0;
  margin: 0;
  display: grid;
  gap: 18px;
  border: 1px solid var(--divider);
  border-radius: var(--radius-canvas);
  padding: 16px;
}

.comparison-settings > legend {
  padding-inline: 6px;
  font-weight: 750;
}

.comparison-settings:disabled {
  opacity: 0.62;
}

.pair-editor {
  display: grid;
  gap: 12px;
}

.pair-config {
  min-width: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  border: 1px solid var(--divider);
  border-radius: var(--radius-canvas);
  padding: 14px;
  background: var(--clean-surface);
}

.pair-config legend {
  padding-inline: 5px;
  font: 750 13px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.pair-source {
  margin: 0;
  color: var(--muted-ink);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.pair-source strong {
  color: var(--ink);
}

.pair-config textarea {
  min-height: 76px;
  font: 600 13px/1.45 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.section-heading {
  margin-bottom: 12px;
}

.section-heading h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}

.section-heading p {
  margin: 6px 0 0;
  color: var(--muted-ink);
  font-size: 14px;
  line-height: 1.45;
}

.board-section {
  min-width: 0;
}

.board-shell {
  max-width: 100%;
  max-height: 640px;
  overflow: auto;
  border: 1px solid var(--divider);
  border-radius: var(--radius-canvas);
  background: #e9e9e4;
}

.board-shell:focus-visible {
  outline-offset: 2px;
}

#contact-board {
  width: 100%;
  min-width: 720px;
  height: auto;
  display: block;
  background: var(--clean-surface);
}

.review-list {
  display: grid;
  gap: 12px;
}

.review-item {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(160px, 0.55fr) minmax(0, 1fr);
  gap: 16px;
  border: 1px solid var(--divider);
  border-radius: var(--radius-canvas);
  padding: 14px;
  background: var(--clean-surface);
}

.heatmap-preview {
  min-width: 0;
  margin: 0;
}

.heatmap-preview img {
  width: 100%;
  max-height: 210px;
  display: block;
  border: 1px solid var(--divider);
  border-radius: var(--radius-canvas);
  background: #202321;
  object-fit: contain;
}

.heatmap-preview figcaption {
  margin-top: 7px;
  color: var(--muted-ink);
  font: 650 12px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}

.review-copy {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 12px;
}

.review-copy h4 {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.measurement-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.measurement-list div {
  min-width: 0;
  border-top: 1px solid var(--divider-strong);
  padding-top: 7px;
}

.measurement-list dt {
  color: var(--muted-ink);
  font-size: 12px;
  line-height: 1.35;
}

.measurement-list dd {
  margin: 3px 0 0;
  font: 750 13px/1.35 ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}

.decision-grid {
  display: grid;
  grid-template-columns: minmax(135px, 0.42fr) minmax(0, 1fr);
  gap: 10px;
}

.decision-grid textarea {
  min-height: 72px;
}

@media (max-width: 980px) {
  .review-item {
    grid-template-columns: 1fr;
  }

  .heatmap-preview img {
    max-height: 300px;
  }
}

@media (max-width: 620px) {
  .comparison-settings,
  .pair-config,
  .review-item {
    padding: 12px;
  }

  .measurement-list,
  .decision-grid {
    grid-template-columns: 1fr;
  }

  .board-shell {
    max-height: 480px;
  }
}

@media (forced-colors: active) {
  .comparison-settings,
  .pair-config,
  .review-item,
  .heatmap-preview img,
  .board-shell {
    border-color: CanvasText;
  }
}