body {
    background-color: #121212;
    color: #ffffff;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
  }
  
  form {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    width: 400px;
  }
  
  form h2 {
    text-align: center;
  }
  
  .form-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
  }
  
  label {
    width: 100px;
    text-align: left;
  }
  
  input {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 4px;
    background-color: #2e2e2e;
    color: #ffffff;
  }
  
  input:focus {
    outline: none;
    border: 1px solid #ffffff;
  }
  
  .error {
    color: #ff4d4d;
    font-size: 0.9em;
    margin-left: 10px;
  }
  
  button {
    width: 100%;
    padding: 10px;
    background-color: #3b3b3b;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  button:focus {
    outline: none;
  }
  