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files >> C:/xampp/htdocs/.backend/appregister - pakai ini.php
 <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Card Return System</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css" rel="stylesheet">
    <script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
    <style>
        :root {
            --primary-color: #3498db;
            --success-color: #2ecc71;
            --danger-color: #e74c3c;
            --warning-color: #f39c12;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f5f7fa;
        }
        
        .card-container {
            max-width: 800px;
            margin: 50px auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .card-header {
            background-color: var(--primary-color);
            color: white;
            padding: 20px;
            position: relative;
        }
        
        .card-header h3 {
            margin: 0;
            font-weight: 600;
        }
        
        .card-body {
            padding: 30px;
            background-color: white;
        }
        
        .form-control {
            height: 50px;
            font-size: 18px;
            border-radius: 5px;
            border: 2px solid #e0e0e0;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
        }
        
        .btn-submit {
            background-color: var(--primary-color);
            border: none;
            color: white;
            padding: 12px 25px;
            font-size: 16px;
            border-radius: 5px;
            transition: all 0.3s;
            width: 100%;
        }
        
        .btn-submit:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
        }
        
        .response-container {
            margin-top: 20px;
            border-radius: 5px;
            padding: 15px;
            display: none;
        }
        
        .success-response {
            background-color: rgba(46, 204, 113, 0.1);
            border-left: 4px solid var(--success-color);
            color: var(--success-color);
        }
        
        .error-response {
            background-color: rgba(231, 76, 60, 0.1);
            border-left: 4px solid var(--danger-color);
            color: var(--danger-color);
        }
        
        .scanner-icon {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary-color);
            cursor: pointer;
            font-size: 24px;
        }
        
        .qr-scanner-container {
            display: none;
            margin-top: 20px;
            text-align: center;
        }
        
        .qr-placeholder {
            width: 100%;
            max-width: 300px;
            height: 300px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f8f9fa;
            border-radius: 5px;
        }
        
        @media (max-width: 768px) {
            .card-container {
                margin: 20px auto;
            }
            
            .card-body {
                padding: 20px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="card-container">
            <div class="card-header">
                <h3><i class="bi bi-credit-card"></i> Kartu Kembali</h3>
            </div>
            <div class="card-body">
                <div id="mainForm">
                    <div class="mb-4">
                        <h4>Silahkan input Nomor Kartu (Scan QRCode)</h4>
                        <p class="text-muted">Masukkan nomor kartu atau klik ikon scanner untuk memindai QR code</p>
                    </div>
                    
                    <form id="cardForm">
                        <div class="input-group mb-3">
                            <input type="text" 
                                   class="form-control" 
                                   id="nomor_card" 
                                   name="nomor_card" 
                                   placeholder="Nomor Kartu"
                                   autocomplete="off"
                                   autofocus>
                            <span class="input-group-text scanner-icon" id="scannerBtn">
                                <i class="bi bi-qr-code-scan"></i>
                            </span>
                        </div>
                        
                        <button type="submit" class="btn btn-submit">
                            <i class="bi bi-send"></i> Submit
                        </button>
                    </form>
                    
                    <div class="qr-scanner-container" id="qrScanner">
                        <h5 class="mb-3">Pemindai QR Code</h5>
                        <div class="qr-placeholder">
                            <img src="https://placehold.co/300x300" alt="QR code scanner placeholder with a smartphone showing a camera interface scanning a QR code on a white background" />
                        </div>
                        <button type="button" class="btn btn-secondary mt-3" id="cancelScan">
                            <i class="bi bi-x-circle"></i> Batal Scan
                        </button>
                    </div>
                </div>
                
                <div class="response-container" id="responseContainer"></div>
                
                <div class="mt-4 pt-3 border-top">
                    <div class="d-flex justify-content-between">
                        <small class="text-muted">Status Sistem:</small>
                        <span class="badge bg-success" id="systemStatus">Online</span>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        $(document).ready(function() {
            // Base URL for AJAX requests
            const baseAjax = window.location.href;
            
            // Initialize scanner button toggle
            $('#scannerBtn').click(function() {
                $('#mainForm').hide();
                $('#qrScanner').fadeIn();
                // In a real implementation, you would initialize the QR scanner here
                console.log("QR Scanner initialized (simulated)");
            });
            
            // Cancel scanning
            $('#cancelScan').click(function() {
                $('#qrScanner').hide();
                $('#mainForm').fadeIn();
                $('#nomor_card').focus();
            });
            
            // Form submission
            $('#cardForm').submit(function(e) {
                e.preventDefault();
                processCardReturn();
            });
            
            // Process the card return
            function processCardReturn() {
                const cardNumber = $('#nomor_card').val().trim();
                const responseContainer = $('#responseContainer');
                
                if (!cardNumber) {
                    showResponse('error', 'Mohon masukkan nomor kartu terlebih dahulu');
                    return;
                }
                
                // Show loading state
                responseContainer.hide().empty();
                $('.btn-submit').html('<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> Memproses...');
                
                $.ajax({
                    type: "POST",
                    url: baseAjax,
                    data: {
                        nomor_card: cardNumber,
                        act: "add-save"
                    },
                    dataType: 'json',
                    success: function(response) {
                        if (response.status === 'success') {
                            showResponse('success', response.message);
                            $('#nomor_card').val('');
                            
                            // Auto-focus after 3 seconds
                            setTimeout(() => {
                                $('#nomor_card').focus();
                            }, 3000);
                        } else {
                            showResponse('error', response.message);
                        }
                    },
                    error: function(xhr, status, error) {
                        showResponse('error', 'Terjadi kesalahan: ' + error);
                    },
                    complete: function() {
                        $('.btn-submit').html('<i class="bi bi-send"></i> Submit');
                    }
                });
            }
            
            // Show response message
            function showResponse(type, message) {
                const responseContainer = $('#responseContainer');
                responseContainer.removeClass('success-response error-response');
                
                if (type === 'success') {
                    responseContainer.addClass('success-response');
                } else {
                    responseContainer.addClass('error-response');
                }
                
                responseContainer.html(message).fadeIn();
            }
            
            // Auto-focus on page load
            $('#nomor_card').focus();
            
            // Simulate QR code scanning in demo (replace with real scanner in production)
            $(document).on('click', '.qr-placeholder', function() {
                // In a real app, this would be handled by the QR scanner library
                const demoNumbers = ['CARD-123456', 'CARD-789012', 'CARD-345678'];
                const randomCard = demoNumbers[Math.floor(Math.random() * demoNumbers.length)];
                
                $('#nomor_card').val(randomCard);
                $('#qrScanner').hide();
                $('#mainForm').fadeIn();
                processCardReturn();
            });
        });
    </script>
</body>
</html>