body {
  margin: 0;
  overflow: hidden;
  background: #000000;
  font-family: Arial, sans-serif;
}

#graph-container {
  width: 100vw;
  height: 100vh;
}

.node-label {
  color: white;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.6);
  user-select: none;
}

.tooltip {
  position: absolute;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 10px;
  border-radius: 4px;
  font-size: 14px;
  pointer-events: none;
  max-width: 300px;
  display: none;
}