body.yapacdev-invoice-page {
   font-family: Arial, sans-serif;
   color: #333;
   margin: 0;
   padding: 20px;
   background: #f9f9f9;
}

.yapacdev-invoice-page .invoice-container {
   max-width: 700px;
   background: #fff;
   padding: 20px;
   margin: auto;
   border-radius: 10px;
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.yapacdev-invoice-page h2 {
   color: #444;
   text-align: center;
   border-bottom: 3px solid var(--theme-color, #3ACB6F);
   padding-bottom: 10px;
}

.yapacdev-invoice-page .customer-details,
.order-summary,
.order-items {
   margin-bottom: 20px;
   padding: 15px;
   border-radius: 8px;
   background: #fafafa;
   border-left: 5px solid var(--theme-color, #3ACB6F);
}

.yapacdev-invoice-page .customer-details p,
.order-summary p {
   margin: 5px 0;
   font-size: 14px;
}

.yapacdev-invoice-page .order-items table {
   width: 100%;
   border-collapse: collapse;
   margin-top: 10px;
}

.yapacdev-invoice-page .order-items th,
.yapacdev-invoice-page .order-items td {
   font-size: 15px;
   padding: 10px;
   border: 1px solid #ddd;
   text-align: left;
}

.yapacdev-invoice-page .order-items th {
   background: var(--theme-color, #3ACB6F);
   color: #fff;
}

.yapacdev-invoice-page .total {
   text-align: right;
   font-size: 16px;
   font-weight: bold;
   padding-top: 10px;
}

.yapacdev-invoice-page .footer {
   text-align: center;
   font-size: 12px;
   color: #666;
   margin-top: 20px;
}