.lp-invoicing-billing-section {
	margin-bottom: 20px;
	padding: 20px;
	background: #f9f9f9;
	border: 1px solid #e0e0e0;
	border-radius: 4px;
}

.lp-invoicing-billing-section h4 {
	margin: 0 0 15px 0;
	font-size: 16px;
	font-weight: 600;
}

.billing-fields-row {
	display: flex;
	gap: 15px;
	margin-bottom: 12px;
}

.billing-field {
	flex: 1;
}

.billing-field-half {
	flex: 0 0 calc(50% - 7.5px);
}

.billing-field label {
	display: block;
	margin-bottom: 4px;
	font-weight: 500;
	font-size: 13px;
}

.billing-field label .required {
	color: #e74c3c;
}

.billing-field input {
	width: 100%;
	padding: 8px 10px;
	border: 1px solid #ddd;
	border-radius: 3px;
	font-size: 14px;
	box-sizing: border-box;
}

.billing-field input:focus {
	border-color: #2271b1;
	outline: none;
	box-shadow: 0 0 0 1px #2271b1;
}

.billing-field .field-description {
	font-size: 11px;
	color: #888;
	margin-top: 3px;
}

.billing-field .ares-loading {
	font-size: 12px;
	color: #2271b1;
	margin-top: 3px;
}

@media (max-width: 600px) {
	.billing-fields-row {
		flex-direction: column;
		gap: 10px;
	}

	.billing-field-half {
		flex: 1;
	}
}