body {
    font-family: "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    margin: 40px;
    background-color: #fdfdfd;
    color: #333;
  }
  
  h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
    color: #2c3e50;
  }
  
  #controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
  }
  
  #parameter-select {
    padding: 8px;
    font-size: 14px;
    margin-bottom: 12px;
  }
  
  #slider-container {
    width: 60%;
    margin-bottom: 20px;
  }
  
  input[type="range"] {
    width: 100%;
  }
  
  #slider-value {
    font-size: 16px;
    font-weight: 500;
    margin-top: 8px;
    text-align: center;
  }
  
  #plot {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  svg {
    background-color: white;
    border: 1px solid #ccc;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
  }