body {
  font-family: "Roboto Mono", monospace;
  margin: 0;
  overflow-x: hidden; /* cegah scroll horizontal halaman */
}

.sankey-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

#sankey {
  width: 100vw; /* pas layar, tanpa overshoot container */
  height: 100vh; /* tinggi tetap */
  display: block; /* hilangkan gap inline */
}

.node rect {
  fill-opacity: 0.9;
  shape-rendering: crispEdges;
}

.node text {
  pointer-events: none;
  font-size: 12px; /* font tetap */
  dominant-baseline: middle;
}

.tooltip {
  position: absolute;
  background: white;
  border: 1px solid #ccc;
  padding: 6px;
  font-size: 12px;
  pointer-events: none;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}