.graph-node--highlighted {
  opacity: 1;
  box-shadow: var(--shadow-glow);
}

.graph-node--dimmed {
  opacity: 0.25;
  transition: opacity var(--transition-fast);
}

.graph-edge--highlighted {
  opacity: 1;
  stroke: var(--todo);
  stroke-width: var(--space-xs);
}

.graph-edge--dimmed {
  opacity: 0.15;
  transition: opacity var(--transition-fast);
}

@media (max-width: 768px) {
  .graph-node--dimmed,
  .graph-edge--dimmed {
    transition: opacity var(--transition-fast);
  }
}