original_query: What are the various styles of Portuguese colonial architecture?
query: What are the various styles of Portuguese colonial architecture throughout its history?
answer: Portuguese colonial architecture varied across centuries and regions, encompassing military fortifications (often sober and functional, especially in the 15th century), religious buildings (ranging from sober early styles to ornate Baroque in later centuries), and civic structures (with styles like Northern Portuguese Baroque becoming prominent in the 18th century).  The styles evolved from primarily functional designs to incorporate aesthetics and demonstrate imperial power and wealth.