Creating custom styles

[AgentGreasy]

I havent been using vbulletin too long, and I'm used to other boards with their templating system - I'd simply modify the default template to my needs and create my own theme. These were located in easy to find php/css files found in a "themes" folder.

Is there any place for me to go for this type of functionality, or, is there any way for me to be able to edit the look and feel of vbulletin creating my own style (I havent been able to find one available that really goes with my overall site, and since my site is custom I thought it'd be an idea to make my forum personally custom as well)?

I cant find any literature on creating your own styles anywhere (yes, I did use the search command, and I may have just been wording it wrong... however most "style" questions pertain to selecting/installing already made styles.)

Using the style manager seems to be too inefficient for changes that I can otherwise make extremely quickly with local software/local viewing like I did with phpBB.

Any place I can begin on styling myself?