body {
    background-color: #f0f2f5;
}
.kuitansi-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 30px;
    background-color: #fff;
    border: 1px solid #ddd;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.kuitansi-header {
    text-align: center;
    border-bottom: 2px solid #333;
    padding-bottom: 20px;
    margin-bottom: 20px;
}
.kuitansi-header h2 {
    margin: 0;
}
.kuitansi-body .row {
    margin-bottom: 10px;
}
.kuitansi-body .label {
    font-weight: bold;
}
.tanda-tangan-area {
    margin-top: 40px;
    border-top: 1px dashed #333;
    padding-top: 20px;
}
#signature-pad {
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    height: 150px;
    background-color: #fff;
}
#barcode-container {
    text-align: center;
    margin-top: 20px;
}