body {
            /* Background Image with updated URL and adjusted overlay for readability */
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9)), 
                        url('bg-img.png');
            background-size: cover;
            background-attachment: fixed;
            background-position: center;
            font-family: 'Plus Jakarta Sans', sans-serif;
            min-height: 100vh;
            color: #ffffff;
        }

        /* Glassmorphism Effect */
        .payment-card {
            background: rgba(255, 255, 255, 0.95);
            border: none;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            color: #333;
        }

        .btn-primary {
            background: #2563eb;
            border: none;
            border-radius: 10px;
            padding: 12px;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
        }

        .list-group-item {
            border: none;
            margin-bottom: 10px;
            border-radius: 12px !important;
            background: #f8fafc;
            transition: transform 0.2s ease;
        }

        .list-group-item:hover {
            transform: scale(1.02);
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .input-group-text {
            background: #fff;
            border-right: none;
        }

        .form-control {
            border-left: none;
            padding: 12px;
        }

        .form-control:focus {
            box-shadow: none;
            border-color: #dee2e6;
        }

        .header-title {
            text-shadow: 0 4px 8px rgba(0,0,0,0.5);
        }

        .display-off{
            display: none !important;
        }

        .display-on{
            display: block !important;
        }