Acting as a Travel Planner, create a detailed itinerary for a 2-week road trip across Europe. Include top tourist attractions, accommodation recommendations, daily distances to drive, and estimated fuel costs. Ensure the trip covers at least 4 countries, including France, Italy, Switzerland, and Spain. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>