.graph-hero {
  padding: 7rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.graph-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, .5fr);
  gap: 2rem;
  align-items: start;
}

.graph-toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.graph-toolbar select {
  min-height: 46px;
  padding: .7rem;
  border: 1px solid var(--border);
  background: var(--background);
  color: inherit;
}

.graph-nodes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.graph-node {
  display: flex;
  min-height: 170px;
  padding: 1.4rem;
  flex-direction: column;
  gap: .8rem;
  align-items: flex-start;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--surface);
  color: inherit;
  cursor: pointer;
}

.graph-node:hover,
.graph-node:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.graph-node-type {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}

.graph-details {
  position: sticky;
  top: 7rem;
  padding: 1.7rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.graph-relation-list {
  margin: 1rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.graph-relation-list li {
  display: grid;
  gap: .35rem;
  padding: .8rem 0;
  border-top: 1px solid var(--border);
}

.graph-relation-list span {
  font-family: var(--font-mono);
  font-size: .68rem;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .graph-layout {
    grid-template-columns: 1fr;
  }

  .graph-details {
    position: static;
  }
}

@media (max-width: 600px) {
  .graph-nodes {
    grid-template-columns: 1fr;
  }

  .graph-toolbar {
    align-items: stretch;
    flex-direction: column;
  }
}