function printTransaksi() {
let notaContent = "=== NOTA PEMBELIAN ===\n\n";
let totalPembayaran = 0;
transaksi.forEach(item => {
notaContent += `${item.nama} - ${item.jumlah} cup - Rp ${item.total.toLocaleString()}\n`;
totalPembayaran += item.total;
});
notaContent += `\n-------------------------\n`;
notaContent += `Total Pembayaran: Rp ${totalPembayaran.toLocaleString()}\n`;
notaContent += `=========================\n`;
let printWindow = window.open('', '', 'width=800,height=600');
printWindow.document.write(`
Print Nota
${notaContent}
`);
}