body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: url('https://offers.earn-coins.online/assets/images/bg.png') no-repeat center center fixed;
      background-size: cover;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .main-container {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}


    .login-wrapper {
      background-color: rgba(0, 0, 50, 0.6);
      padding: 40px;
      border-radius: 16px;
      width: 90%;
      max-width: 400px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
      color: #fff;
      backdrop-filter: blur(6px);
    }

    .login-wrapper h2 {
      font-size: 28px;
      margin-bottom: 10px;
    }

    .login-wrapper p {
      font-size: 14px;
      margin-bottom: 30px;
      color: #d1d5db;
    }

    label {
      display: block;
      margin-bottom: 5px;
      font-weight: 600;
    }

    input[type="text"],
    input[type="password"] {
      width: 100%;
      padding: 12px;
      border: none;
      border-radius: 8px;
      margin-bottom: 20px;
      font-size: 16px;
      background-color: #dbeafe;
      color: #1e293b;
    }

    .btn {
      width: 100%;
      padding: 12px;
      background-color: #8b5cf6;
      border: none;
      color: white;
      font-size: 16px;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.3s ease;
    }

    .btn:hover {
      background-color: #7c3aed;
    }

    .alert {
      background-color: #dc2626;
      padding: 10px;
      margin-bottom: 20px;
      border-radius: 6px;
      color: white;
      font-size: 14px;
    }

    @media (max-width: 480px) {
      .login-wrapper {
        padding: 20px;
      }
    }