/* CSS seperti sebelumnya */
    * {
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }
    body {
      background: linear-gradient(135deg, #2c3e50, #3498db);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }
    .container {
      background-color: white;
      padding: 40px;
      border-radius: 12px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
      width: 100%;
      max-width: 400px;
      text-align: center;
    }
    h2 {
      margin-bottom: 20px;
      color: #2c3e50;
    }
    input[type="email"] {
      width: 100%;
      padding: 12px 15px;
      margin-bottom: 10px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 16px;
    }
   
    button {
      background-color: #3498db;
      color: white;
      padding: 12px 20px;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: background-color 0.3s ease;
      width: 100%;
    }
    button:hover {
      background-color: #2980b9;
    }
    .message {
      margin-top: 15px;
      font-size: 14px;
      padding: 10px;
      border-radius: 8px;
      display: block;
    }
    .message.success {
      background-color: #e0f8ec;
      color: #2ecc71;
      border: 1px solid #2ecc71;
    }
    .message.error {
      background-color: #fdecea;
      color: #e74c3c;
      border: 1px solid #e74c3c;
    }