body {
      background: linear-gradient(135deg, #009b5b, #00cc66);
      font-family: "Poppins", sans-serif;
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .login-card {
      background: #fff;
      border-radius: 15px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      width: 100%;
      max-width: 400px;
      padding: 10px 30px;
      text-align: center;
    }

    .login-card h4 {
      color: #00a859;
      font-weight: 500;
      margin-bottom: 25px;
    }

    .btn-success {
      background: #00a859;
      border: none;
    }

    .btn-success:hover {
      background: #008f4b;
    }

    .form-control:focus {
      border-color: #00a859;
      box-shadow: 0 0 5px rgba(0, 168, 89, 0.3);
    }

    a {
      color: #00a859;
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .logo {
      width: 100px;
    }

    @media (max-width: 480px) {
      .login-card {
        padding: 30px 20px;
      }

      .login-card h3 {
        font-size: 1.5rem;
      }
    }