[eluser]jedd[/eluser]
Hi Tanax, and welcome to the forums.
You might want to experiment, in your view, with the CI function [url="http://ellislab.com/codeigniter/user-guide/helpers/html_helper.html"]link_tag[/url] (note that you'll need to also include the HTML helper to enable this functionality).
Code:
<php echo link_tag('stylesheet.css'); ?>
This produces the necessary link, and handles the right path info etc.
If this doesn't work, post the page-source as your browser sees it, for the stylesheet link.
A common practice around here is to put your stylesheets, javascript, images etc as sub-dirs under a top-level directory called
assets - and obviously you'd change your htaccess to reflect this, eg.
Code:
RewriteCond $1 !^(index\.php|assets|robots\.txt)