.invoice-container {
    margin: 40px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    font-family: 'Cairo', sans-serif;
    color: #333;
}

/* مقاسات الطباعة */
.a4-invoice {
    width: 210mm;
    min-height: 297mm;
    padding: 20mm;
}

.a5-invoice {
    width: 148mm;
    min-height: 210mm;
    padding: 15mm;
}

.mm80-invoice {
    width: 80mm;
    padding: 5mm;
    font-size: 11px;
}

.mm58-invoice {
    width: 58mm;
    padding: 3mm;
    font-size: 10px;
}

@media print {
    .invoice-container {
        box-shadow: none;
        border: none;
        border-radius: 0;
        background-color: white;
    }

    .d-print-none {
        display: none !important;
    }

    /* تحديد حجم الصفحة حسب الصنف */
    .a4-invoice {
        page: a4;
    }

    .a5-invoice {
        page: a5;
    }

    .mm80-invoice {
        page: mm80;
    }

    .mm58-invoice {
        page: mm58;
    }
}

@page a4 {
    size: A4 portrait;
    margin: 10mm;
}

@page a5 {
    size: A5 portrait;
    margin: 8mm;
}

@page mm80 {
    size: 80mm auto;
    margin: 5mm;
}

@page mm58 {
    size: 58mm auto;
    margin: 3mm;
}

/* معاينة مصغّرة */
.preview-scale {
    transform: scale(0.4);
    transform-origin: top center;
    opacity: 0.85;
}