.graph-page {
  padding: 2.5rem 2rem;
  max-width: 100%;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;

  .subtitle {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0.25rem 0 0;
  }
}

.graph-empty {
  padding: 2rem;
  text-align: center;
  color: #6b7280;
  background: #f9fafb;
  border-radius: 8px;
  border: 1px dashed #d1d5db;
}

.graph-container {
  background: #fafafa;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px;
  overflow: auto;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.graph-svg {
  display: block;
  max-width: 100%;
}

.node {
  cursor: pointer;

  .node-box {
    fill: #ffffff;
    stroke: #1f2937;
    stroke-width: 2;
    transition: fill 0.15s ease, stroke 0.15s ease;
  }

  .node-label {
    font-size: 0.9rem;
    font-weight: 500;
    fill: #1f2937;
    pointer-events: none;
  }

  &:hover .node-box {
    fill: #eef2ff;
    stroke: #4f46e5;
  }
}

.edge-label {
  font-size: 0.75rem;
  fill: #4b5563;
  font-style: italic;
  // Halo blanc autour du texte pour garantir la lisibilité même s'il passe
  // sur une ligne ou un autre élément.
  paint-order: stroke;
  stroke: #fafafa;
  stroke-width: 3px;
  stroke-linejoin: round;
}

.graph-hint {
  display: block;
  margin-top: 1rem;
  color: #6b7280;
  font-size: 0.85rem;
}
