I am having a similar problem. I just tried to download the theme tonight and when it installs and I try to preview it, none of the styling works.
I have tried deleting all the files from my cPanel and re-uploading using the WordPress install. I have also tried doing a manual install by uploading the files into the cPanel AND by uploading to my FTP.
None of these have worked… it seems that some of the css files perhaps are missing but there is a css folder in the zip file.
I am only uploading the files for WordPress install (not the documentation etc).
PS if there is a way to send you a screen shot I can? The site is pinkappleproductions.com.au