/* Callout / Info box */
.callout {
  border-left: 4px solid var(--link-color);
  border-radius: 0.25rem;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  background: var(--card-bg, var(--sidebar-bg));
}

.callout-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.callout-content p:last-child {
  margin-bottom: 0;
}

/* Callout types */
.callout-info {
  border-left-color: #3b82f6;
}

.callout-info .callout-title {
  color: #3b82f6;
}

.callout-warning {
  border-left-color: #f59e0b;
}

.callout-warning .callout-title {
  color: #f59e0b;
}

.callout-danger {
  border-left-color: #ef4444;
}

.callout-danger .callout-title {
  color: #ef4444;
}

.callout-tip {
  border-left-color: #10b981;
}

.callout-tip .callout-title {
  color: #10b981;
}

.callout-concept {
  border-left-color: #8b5cf6;
}

.callout-concept .callout-title {
  color: #8b5cf6;
}

/* Comparison block */
.compare-block {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
}

.compare-panel {
  flex: 1;
  border: 1px solid var(--main-border-color);
  border-radius: 0.25rem;
  padding: 1rem;
  background: var(--card-bg, var(--sidebar-bg));
}

.compare-panel-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--main-border-color);
  color: var(--heading-color);
}

.compare-panel-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 576px) {
  .compare-block {
    flex-direction: column;
  }
}

/* Diagram / Concept hierarchy box */
.diagram-box {
  border: 1px solid var(--main-border-color);
  border-radius: 0.25rem;
  margin: 1rem 0;
  background: var(--card-bg, var(--sidebar-bg));
}

.diagram-title {
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--main-border-color);
  color: var(--heading-color);
}

.diagram-content {
  padding: 1rem;
  font-family: monospace;
  font-size: 0.9rem;
}

.diagram-level {
  padding: 0.2rem 0;
}

.diagram-arrow {
  color: var(--label-color);
}