.blood-gas-app {
  padding-bottom: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}

.actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hidden {
  display: none;
}

.headline-badge {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.headline-badge.neutral {
  background: var(--surface2);
}

.headline-badge.normal {
  background: rgba(22, 163, 74, 0.15);
  border-color: rgba(22, 163, 74, 0.45);
}

.headline-badge.mild {
  background: rgba(234, 179, 8, 0.15);
  border-color: rgba(234, 179, 8, 0.45);
}

.headline-badge.moderate {
  background: rgba(249, 115, 22, 0.15);
  border-color: rgba(249, 115, 22, 0.45);
}

.headline-badge.severe {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.55);
}

.headline-text {
  margin: 0;
}

.sample-notes {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.steps-container {
  display: grid;
  gap: 10px;
}

.step-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface2);
}

.step-card summary {
  cursor: pointer;
  list-style: none;
  padding: 10px 12px;
  font-weight: 700;
}

.step-card summary::-webkit-details-marker {
  display: none;
}

.step-body {
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 0.9rem;
}

.step-body p {
  margin: 0 0 6px;
}

.step-body p:last-child {
  margin-bottom: 0;
}

.diff-list ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.clinical-prompt {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--text);
}

.references {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.references h3 {
  margin-top: 0;
  color: var(--text);
}

.references ul {
  margin-top: 8px;
}