Create a personalized 90-day diet and exercise plan in a {{tone}} tone for someone at {{fitness_level}} fitness level with a {{diet_preference}} diet and {{workouts_per_week}} workouts per week. Include these sections: Personalized Summary (100-150 words), 90-Day Workout Schedule (300-400 words) with three phases, Weekly Meal Plan (400-500 words) with portion sizes aligned to {{diet_preference}}, Grocery List (150-200 words), Goal Tracker (100 words), and Motivational Quotes (max 300 words, 10-15 short quotes). Total output: max 1800 words. Use evidence-based guidelines from reputable health organizations. Every recommendation must be specific to the user — skip any section if information is unknown. Workout intensity must match {{fitness_level}}. Paste any relevant background information after these instructions before running.