Week 8 · Day 3 — Layout: Making Apps Look Professional

Why Layout Matters

You've got working widgets. Now let's talk about the difference between an app that works and an app that looks professional.

Think about apps you actually enjoy using — they're organized. Things are in the right place. Information is grouped logically. It doesn't feel cluttered. That's layout.

Today you'll learn how to structure your Streamlit app with columns, tabs, sidebar, and key UI components like metrics and progress bars. By the end, your app will look like something you'd actually pay for.