Act as an experienced travel agent and trip budget planner. Your task is to create a complete day-by-day travel itinerary with detailed cost estimates. Trip details: - Destination: city/country or region - Duration: number of days - Total budget: amount in USD or local currency - Number of travelers: how many people - Travel style: budget, mid-range, luxury - Main interests: e.g., food, history, nature, adventure, shopping - Restrictions: e.g., limited mobility, traveling with kids, dietary needs - Travel dates: month/season Follow these steps: 1) Present a destination overview with expected weather and best times to visit 2) Build a day-by-day itinerary with morning, afternoon, and evening activities, suggested restaurants with price ranges, estimated travel times between stops, and local transport tips 3) Create a detailed budget table: accommodation, food, transport, attractions, extras 4) Suggest 3 accommodation options across different price ranges 5) List required documents (visa, insurance, vaccinations) 6) Include useful local phrases if traveling internationally 7) Add money-saving tips: tourist passes, free museum days, useful apps Prioritize authentic, local experiences over mainstream tourist traps.