body {
    margin: 0;
    font-family: Arial, sans-serif;
  }
  
  .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    position: relative;
  }
  
  #fileInput {
    padding: 10px 15px;
    font-size: 16px;
    border: 2px solid #ccc;
    border-radius: 5px;
    margin-bottom: 20px;
    background-color: #fff;
    cursor: pointer;
  }
  
  .code-block-container {
    position: relative;
    display: none;
    width: auto;
    max-height: 400px;
    overflow: auto;
    border: 1px solid #ccc;
    border-radius: 10px;
    background: linear-gradient(135deg, #f5f5f5 25%, #ddd 75%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    transition: transform 0.3s ease-in-out;
  }
  
  .code-block-container:hover {
    transform: scale(1.05);
  }
  
  .code-block {
    padding: 15px;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    color: #333;
    background-color: #f9f9f9;
    border-radius: 10px;
  }
  
  .code-block::-webkit-scrollbar {
    width: 8px;
  }
  
  .code-block::-webkit-scrollbar-thumb {
    background-color: #888;
    border-radius: 4px;
  }
  
  .code-block::-webkit-scrollbar-thumb:hover {
    background-color: #555;
  }
  
  #copyButton {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    font-size: 14px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
  }
  
  #copyButton:hover {
    background-color: #0056b3;
    transform: scale(1.1);
  }
  
  .copied {
    position: absolute;
    top: 10px;
    right: 80px;
    font-size: 14px;
    color: green;
    display: none;
  }
  
  #arrowButton {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px;
    font-size: 18px;
    border: none;
    border-radius: 50%;
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
  }
  
  #arrowButton:hover {
    background-color: #0056b3;
    transform: scale(1.1);
  }