/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 30px;
  }
  
  h1 {
    color: #006A96; /* UCSD blue */
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #FFCD00; /* UCSD gold */
  }
  
  h2 {
    color: #006A96;
    margin: 20px 0 10px 0;
  }
  
  a {
    display: inline-block;
    color: #006A96;
    text-decoration: none;
    margin-right: 20px;
    margin-bottom: 20px;
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #006A96;
    transition: all 0.3s ease;
  }
  
  a:hover {
    background-color: #006A96;
    color: white;
  }
  
  .selector {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
  }
  
  select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
  }
  
  button {
    background-color: #006A96;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
  }
  
  button:hover {
    background-color: #005277;
  }

  .links {
    display: flex;
    justify-content: center;
  }

  .intro {
    text-align: center;
    padding-bottom: 15px;
  }

  #output {
    margin-top: 20px;
    border-top: 1px solid #eee;
    /* padding-top: 20px; */
  }
  
  #overlap-list {
    list-style-type: none;
  }
  
  #overlap-list li {
    padding: 10px;
    margin-bottom: 5px;
    background-color: #f9f9f9;
    border-left: 4px solid #FFCD00;
    border-radius: 3px;
  }
  
  @media (max-width: 600px) {
    .container {
      padding: 15px;
      margin-top: 15px;
    }
    
    button, select {
      padding: 8px;
    }
  }