Mexico lost to Argentina 2-0
I have never seen where GEOGRAPHICALLY, Central America is part of South America. Perhaps culturally, since many of the 7 nations of Central America speak Spanish, they may be closer to much of South America ethnically and politically, but they are a diverse set of 7 small nations.
As far as the question of Costa Rica and Central America, let me cite these sources:
North America, the third-largest continent, extends from the tiny Aleutian Islands in the northwest to the Isthmus of Panama in the south. The continent includes the enormous island of Greenland in the northeast and the small island countries and territories that dot the Caribbean Sea and western North Atlantic Ocean. In the far north, the continent stretches halfway around the world, from Greenland to the Aleutians. But at Panama’s narrowest part, the continent is just 50 kilometers (31 miles) across.
North America’s physical geography, environment and resources, and human geography can be considered separately.
North America can be divided into five physical regions: the mountainous west, the Great Plains, the Canadian Shield, the varied eastern region, and the Caribbean. Mexico and Central America’s western coast are connected to the mountainous west, while its lowlands and coastal plains extend into the eastern region.
https://education.nationalgeographic.org/resource/north-america-physical-geographyCentral America is the southernmost region of North America.
Central America consists of 7 countries: Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama.
The United States is the biggest trading partner of the countries in Central America.
The U.S. dollar can be used as a form of currency in El Salvador, Guatemala, and Panama.
https://www.worldatlas.com/articles/is-central-america-considered-north-america.html