body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    color: #333;
  }
  
  .navbar {
      width: 100%;
      background-color: #007bff;
      padding: 5px;
      
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: fixed;
      top: 0;
  }
  
  .navbar .logo {
      color: #fff;
      font-size: 24px;
      font-weight: bold;
      margin-left: 10px;
  }
  
  .nav-links {
      list-style: none;
      margin-right: 10px;
  }
  
  .nav-links input[type="checkbox"] {
      display: none;
  }
  
  .nav-links .hamburger {
      display: none;
      font-size: 30px;
      color: white;
      cursor: pointer;
  }
  
  .nav-links .menu {
      display: flex;
  }
  
  .nav-links li {
      margin: 0 15px;
  }
  
  .nav-links a {
      color: white;
      text-decoration: none;
      font-size: 18px;
  }
  
  .nav-links a:hover {
      color: #f1c40f;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
      .nav-links .menu {
          display: none;
          flex-direction: column;
          width: 100%;
          position: absolute;
          top: 60px;
          left: 0;
          background-color: #007bff;
          border-top: 1px solid white;
      }
  
      .nav-links .menu li {
          text-align: center;
          margin: 10px 0;
      }
  
      .nav-links input:checked + .hamburger + .menu {
          display: flex;
      }
  
      .nav-links .hamburger {
          display: block;
      }
  }
  
  .container {
    max-width: 800px;
    margin: 100px auto;
    padding: 20px;
    text-align: center;
  }
  
  h1, h2 {
    color: #333;
  }
  
  .lesson-path button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 10px;
    cursor: pointer;
  }
  
  .lesson-path button:hover {
    background-color: #45a049;
  }
  
  .language-selection {
    margin: 20px 0;
  }
  
  .language-selection select {
    padding: 10px;
    margin: 0 10px;
  }
  
  .translation-input {
    margin-top: 20px;
  }
  
  .translation-input input {
    padding: 10px;
    width: 70%;
    margin-right: 10px;
  }
  
  .feedback-box {
    margin-top: 30px;
  }
  
  input[type="text"] {
    padding: 10px;
    width: 70%;
    margin-right: 10px;
  }
  
  button {
    background-color: #008CBA;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #007B9E;
  }
  
  .gamification, .leaderboard {
    margin-top: 20px;
  }
  
  .points, .badges {
    font-size: 18px;
  }
  
  .leaderboard ul {
    list-style: none;
    padding: 0;
  }
  
  .leaderboard ul li {
    background-color: #fff;
    margin: 5px 0;
    padding: 10px;
    border: 1px solid #ddd;
  }
  
  /* Media Queries for Responsiveness */
  @media (max-width: 768px) {
    .lesson-path button {
      width: 100%;
      margin: 10px 0; /* Stack buttons */
    }
  
    input[type="text"] {
      width: calc(100% - 120px); /* Adjust width */
    }
  
    button {
      width: 100%; /* Full width for buttons */
    }
  }
  
  @media (max-width: 480px) {
    h1 {
      font-size: 24px; /* Smaller font size for mobile */
    }
  
    h2 {
      font-size: 20px; /* Smaller font size for mobile */
    }
  }