body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
h1, h2 {
    color: #333;
}
.comprobante {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 4px;
    margin: 20px 0;
}
.header {
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.info-venta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}
.info-item {
    margin-bottom: 10px;
}
.info-label {
    font-weight: bold;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #f8f9fa;
}
.total {
    font-size: 18px;
    font-weight: bold;
    text-align: right;
    margin-top: 20px;
    padding-top: 10px;
    border-top: 1px solid #ddd;
}
.acciones {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}
.btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
}
.btn-print {
    background-color: #6c757d;
}
.btn:hover {
    opacity: 0.9;
}

.qr-container {
    text-align: center;
    margin: 30px 0;
    padding: 10px;
    border-top: 1px dashed #ccc;
    padding-top: 20px;
}
#qr-code {
    display: inline-block;
    margin: 0 auto;
}
.qr-info {
    font-size: 14px;
    margin-top: 10px;
}

.mensaje {
    margin-top: 40px; 
    font-size: 14px; 
    text-align: center;
}