.node {
    stroke: black;
    font-size: 1.2em;
  }
  
  .edgePath path {
    stroke: #333;
    fill: none;
    stroke-width: 1.5px;
  }

  /* Tooltip Styling */
.tooltip {
    position: absolute;
    background-color: rgba(39, 19, 19, 0.75);
    color: white;
    border-radius: 5px;
    padding: 10px;
    font-size: 16px;
    max-width: 30vw;
    pointer-events: none;
    opacity: 0; /* Start hidden */
    transition: opacity 0.2s ease-in-out;
  }
  
  .tooltip .title {
    font-weight: bold;
    font-size: 16px;
  }
  
  .tooltip .body {
    margin-top: 5px;
    font-size: 14px;
  }

  .tooltip .theme-footer {
    margin-top: 5px;
    font-size: 14px;
  }
.cluster rect {
    fill: white;
}

.edgePath.corequisite-edge path {
    stroke: coral;
    stroke-dasharray: 5, 5;
}
.edgePath.corequisite-edge polygon {
    fill: coral;
}

.edgePath.fake-edge path {
    stroke: green;
    opacity: 0;
}