How to make a long room look more balanced

 This is one of my projects, where in a small apartment with unsightly dark living room I had to solve several problems:
- make it look more proportional, because it was long and narrow; with just one window at the far end;
- combine in this small space the functions of a kitchen, dining room and living room;
- preserve the available flooring.
Through the use of colour techniques and suitable materials I think we succeeded to make the room much wider, lighter and inviting.
Here below is the result: