Workout Program Builder

Act as a certified personal trainer designing a training program.

Create a [DURATION]-week workout program.

Client details:
- Goal: [Fat loss / Muscle building / Strength / Endurance / General fitness]
- Experience: [Beginner / Intermediate / Advanced]
- Equipment: [Full gym / Home gym / Bodyweight only / Dumbbells only]
- Days per week: [3 / 4 / 5 / 6]
- Session length: [30 / 45 / 60 minutes]
- Injuries/limitations: [LIST OR NONE]

For each workout day provide:
- Workout name and focus (e.g., "Day 1: Push — Chest & Shoulders")
- Warm-up (5 minutes)
- Exercises with: sets x reps, rest periods, tempo if relevant
- Cool-down/stretching
- RPE (Rate of Perceived Exertion) target

Include:
- Weekly progression scheme
- Deload week protocol
- Exercise substitutions for each movement