2300031420/Student-portal_1 ? reverse-engineered prompt

Build me a responsive student portal web app that feels clean and easy to use on both desktop and mobile.

I want a main dashboard with quick student stats like attendance, homework, and average grade, plus a daily schedule, subject performance, recent assignments, and announcements. It should have separate pages for attendance, homework, and profile, with navigation between them and a working logout action. Please make the layout use a sidebar that can collapse or slide open on mobile, and keep the whole thing simple, modern, and student friendly.

Use React with routing, and style it nicely so it looks polished out of the box. If you need to check anything current in the docs, look it up online.