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, #2469a0);
    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, #2469a0);
}
.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, #2469a0);
    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;
}