How to edit css for mobile

I am using sugar 7

Per my earlier comment, the first phase of the Mobile SDK tools has been released.

Please see the details here:

SugarCRM Mobile Application Configuration Service 1.0 is Now Available! 

That would be the preferred approach to customizing Mobile. 

With regards to the point about PHP, Mobile is actually a native app for the supported platforms which in turn reads/sends data to Sugar via the REST v10 API. In other words, you don't have any related PHP to hack.

I'm talking about the mobile version that uses a browser and has php files in ./clients/modules/<module>/base/mobile/view/edit/edit.php and assets in ./mobile/css etc - not the actual android app you can make in SDK. Or are you saying they are the same thing?  If so my mind is blown. I didn't know you could create an android apk from web files, I assumed they were all written in java.

With the base platform I can just add a custom file into a module like /view/record/record.js and do anything I want. Can I not do the same with mobile views (detail/edit/list).  If it uses a browser then javascript should work ok? sorry i'm new to sugar just trying to understand the limitations.

I'm talking about the mobile version that uses a browser and has php files in ./clients/modules/<module>/base/mobile/view/edit/edit.php and assets in ./mobile/css etc - not the actual android app you can make in SDK. Or are you saying they are the same thing?  If so my mind is blown. I didn't know you could create an android apk from web files, I assumed they were all written in java.

With the base platform I can just add a custom file into a module like /view/record/record.js and do anything I want. Can I not do the same with mobile views (detail/edit/list).  If it uses a browser then javascript should work ok? sorry i'm new to sugar just trying to understand the limitations.

Ah, gotcha. My apologies, I naturally assumed you were talking about the native app. Mind not blown, as indeed they are different things.