* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    text-align: center;
    width: 90%;
    max-width: 600px;
  }
  
  h1 {
    margin-bottom: 20px;
  }
  
  form {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
  }
  
  input {
    padding: 10px;
    width: 70%;
    border: none;
    border-radius: 5px 0 0 5px;
    font-size: 16px;
  }
  
  button {
    padding: 10px;
    border: none;
    background-color: #4caf50;
    color: white;
    font-weight: bold;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #45a049;
  }
  
  #profile {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: left;
    display: none;
    animation: fadeIn 0.5s ease-in-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .profile-img {
    width: 100px;
    border-radius: 50%;
    border: 3px solid #fff;
  }
  
  .profile-details {
    margin-top: 15px;
  }