Hide Some Menus Card - On Vendor Panel

hi everyone

i am new on cs-cart and this is my first marketplace

1.

i want to hide some cards from vendor panel like this

https://i.imgur.com/Jy7WLvV.png

https://i.imgur.com/cTpBVZT.png

how can i do it?

which files i have to edit? and how ?

2

i want to hide some menus from vendor panel

https://i.imgur.com/I0PE9ce.png

i try to do it on menu.tpl :

$('.sales_reports').css('display', 'none');

$('.shipments').css('display', 'none');

$('.special_jobs_menu').css('display', 'none');

$('.special_offers_menu').css('display', 'none');

$('.milestone_projects_menu').css('display', 'none');

$('.customers').css('display', 'none');

$('.pages').css('display', 'none');

$('.blog_management').css('display', 'none');

$('.categories').css('display', 'none');

$('.portfolios_menu').css('display', 'none');

$('.features').css('display', 'none');

$('.filters').css('display', 'none');

$('.options').css('display', 'none');

but this code hide the menus from my store manager panel

3.

why dont sellers and buyers get notification on new message?

thanks

Sara