* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Open Sans', Arial, sans-serif;
        }

        body {
            background: #f0f0f0;
        }

        .header {
            background: white;
            padding: 10px 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .menu-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #00416b;
        }

        .payment-container {
            max-width: 600px;
            margin: 0 auto;
            background: white;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 20px;
            margin: 20px auto;
        }

        .payment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 1px dashed #ccc;
            margin-bottom: 20px;
        }

        .payment-title {
            color: #333;
            font-size: 18px;
            font-weight: 600;
        }

        .payment-date {
            color: #666;
            font-size: 14px;
        }

        .customer-info {
            margin-bottom: 30px;
        }

        .pix-title {
            font-size: 24px;
            color: #00416b;
            margin-bottom: 20px;
        }

        .customer-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .customer-details {
            color: #666;
            margin-bottom: 5px;
        }

        .payment-amount {
            margin: 30px 0;
        }

        .amount-label {
            color: #666;
            font-size: 14px;
        }

        .amount {
            font-size: 32px;
            font-weight: bold;
            color: #333;
        }

        .currency {
            color: #666;
            font-size: 24px;
        }

        .qr-section {
            text-align: center;
            margin: 30px 0;
        }

        .qr-instruction {
            color: #666;
            margin-bottom: 20px;
        }

        .qr-code {
            width: 200px;
            height: 200px;
            margin: 0 auto;
            border: 1px dashed #ccc;
            padding: 10px;
        }

        .pix-code {
            background: #f8f9fa;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            margin: 20px 0;
            word-break: break-all;
            font-size: 12px;
            color: #666;
        }

        .button {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            margin-bottom: 10px;
        }

        .copy-button {
            background: #e9ecef;
            color: #333;
        }

        .confirm-button {
            background: #e9ecef;
            color: #333;
        }

        .steps {
            margin-top: 30px;
        }

        .step {
            display: flex;
            gap: 10px;
            margin-bottom: 10px;
            align-items: center;
        }

        .step-number {
            background: #e9ecef;
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .expiration {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            color: #666;
        }

        .expiration-timer {
            background: #e9ecef;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }

        .total-section {
            border-top: 1px dashed #ccc;
            margin-top: 30px;
            padding-top: 20px;
        }

        .total-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            color: #666;
        }

        .total-final {
            font-weight: 600;
            color: #333;
        }
        
        .qr-code {
            margin: 0 auto;
            width: fit-content;
        }
        
        .qr-section {
            text-align: center;
        }
        
        .qr-code img {
            width: 180px;
            height: 180px;
        }
        
        .qr-instruction {
            text-align: center;
            margin-bottom: 15px;
            font-weight: bold;
        }
        .copy-button {
            background: #00ff88;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
        }