I designed and built a sleek transitional interface using Sass, Compass, CoffeeScript and Emblem.js.
Check out the widget in action here.
The widget has to match schools' websites, so I used a neutral palette with a pop color that the school administrators can customize.
The widget interface uses a light skeuomorphic treatment to emphasize depth and spatial separation from the website underneath.
Check out the Uchat staff portal, where the professionals go to answer students' questions.