Hello, I am very new to the PCB world and would love to get a set of eyes on my first PCB design.

There very well may be some major issues / flaws but my untrained eye can't see them yet.

This is for a small bluetooth module (IDC777 from IOT747) powered by a Lipo battery with some buttons, a microSD card reader, some LEDs, and a charging protection circuit.

Here is the schematic:

Thank you for your help, and let me know if you have any questions!