.container {
  width: 100%;
  height: 100%;
  background: #fafafa;
  position: relative;
}
.svg {
  width: 100%;
  height: 100%;
  background: #fff;
  cursor: grab;
  overscroll-behavior: contain;
}
.panning {
  cursor: grabbing;
}
.links path {
  transition: all 0.2s ease;
}
.nodes text {
  pointer-events: none;
}

.controls {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.controlButton {
  min-width: 36px;
  height: 32px;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  background: #fff;
  color: #333;
  font-size: 14px;
  cursor: pointer;
}

.controlButton:hover {
  background: #f5f7fb;
}
