/* Print Styles */
@media print {
    body * {
        visibility: hidden;
    }
    
    .bill-container, .bill-container * {
        visibility: visible;
    }
    
    .bill-container {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        box-shadow: none;
        padding: 0;
    }
    
    .print-options, 
    nav, 
    header, 
    footer,
    .page-header h1,
    .alert {
        display: none !important;
    }
    
    .a4-format {
        width: 210mm;
        min-height: 297mm;
        padding: 20mm;
        margin: 0 auto;
        background: white;
        box-shadow: none;
        font-size: 12pt;
    }
    
    .thermal-format {
        width: 80mm;
        padding: 0;
        font-size: 10pt;
    }
    
    .services-table table {
        page-break-inside: avoid;
    }
    
    .bill-footer {
        page-break-inside: avoid;
    }
}

/* A4 Specific Styles */
.a4-format {
    width: 210mm;
    min-height: 297mm;
}

/* Thermal Specific Styles */
.thermal-format {
    width: 80mm;
    font-family: 'Courier New', monospace;
}