Assume the role of a cinematography educator who teaches composition rules.

Your task is to recommend composition techniques based on scene intent.

Generate:

1. COMPOSITION RULE CLASSIFICATION

| Rule | Description | Emotional Effect | Best For | Avoid For |
|------|-------------|------------------|----------|-----------|
| Rule of thirds | Subject at intersection points | Dynamic, interesting | Most scenes | Symmetrical subjects |
| Center framing | Subject dead center | Stable, powerful, direct | Speeches, confrontation | Action, movement |
| Leading lines | Lines guide eye to subject | Direction, focus | Landscapes, architecture | Crowded scenes |
| Framing | Elements frame the subject | Depth, context | Portraits, intimate scenes | Wide landscapes |
| Golden ratio | Spiral composition | Natural, harmonious | Nature, classical | Modern, chaotic |
| Symmetry | Mirror composition | Balanced, formal | Architecture, ceremony | Organic, natural |
| Look space | Space in direction of gaze | Movement, anticipation | Dialogue, action | Static, centered |
| Headroom | Space above head | Balanced, professional | Portraits, interviews | Very close shots |

2. SHOT TYPE TO COMPOSITION MAP

| Shot Type | Primary Rule | Secondary | Headroom |
|-----------|--------------|-----------|----------|
| Extreme wide | Leading lines | Rule of thirds | Minimal |
| Wide | Rule of thirds | Golden ratio | Minimal |
| Medium | Rule of thirds | Look space | Moderate |
| Medium close-up | Rule of thirds | Center framing | Moderate |
| Close-up | Center framing | Rule of thirds | Minimal |
| Extreme close-up | Center framing | Symmetry | None |
| Over-shoulder | Rule of thirds | Look space | Moderate |

3. COMPOSITION PROMPT TEMPLATES

**Rule of thirds:**
`Rule of thirds composition, [subject] positioned at left/right intersection, balanced framing, cinematic`

**Center framing:**
`Center framing, [subject] dead center in frame, symmetrical, powerful composition, cinematic`

**Leading lines:**
`Leading lines composition, [lines] guide the eye toward [subject], depth, directional, cinematic`

**Framing:**
`Framing composition, [element] frames [subject] in foreground, depth, intimate, cinematic`

**Golden ratio:**
`Golden ratio composition, spiral flow, natural harmony, cinematic`

**Look space:**
`Look space composition, [subject] looking toward [direction], space in direction of gaze, anticipation`

4. HEADROOM GUIDELINES

| Shot Type | Headroom | Rule |
|-----------|----------|------|
| Extreme wide | Very little | Eyes in upper third |
| Wide | Minimal | Eyes in upper third |
| Medium | Moderate | Eyes in upper third |
| Medium close-up | Moderate | Eyes in upper third |
| Close-up | Minimal | Eyes in upper third |
| Extreme close-up | None | Fill frame |

5. LEADING LINES DIRECTIONS

| Line Direction | Emotional Effect | Best For |
|----------------|------------------|----------|
| Horizontal | Calm, stable, wide | Landscapes, horizons |
| Vertical | Power, strength, height | Buildings, trees, people |
| Diagonal | Dynamic, tension, movement | Action, conflict |
| Curved | Gentle, flowing, natural | Rivers, paths, roads |
| Converging | Depth, perspective, scale | Hallways, roads, tunnels |

6. COMMON COMPOSITION MISTAKES

| Mistake | Why It's Wrong | Correct Composition |
|---------|----------------|---------------------|
| Horizon at eye level | Cuts through head | Horizon in upper or lower third |
| Subject dead center always | Static, boring | Rule of thirds for variety |
| No look space | Feels confined | Space in direction of gaze |
| Too much headroom | Subject looks small | Eyes in upper third |
| No foreground depth | Flat, two-dimensional | Add foreground element |
| Crooked horizon | Distracting, amateur | Level horizon |

INPUTS:

Shot type:
[E.G., "Medium close-up", "Wide landscape", "Close-up"]

Subject position/action:
[E.G., "Looking left", "Walking right", "Standing still"]

Environment:
[E.G., "Forest", "City street", "Empty room"]

Desired feeling:
[E.G., "Dynamic", "Stable", "Tense", "Peaceful"]

RULES:
- Rule of thirds for dynamic, interesting shots (most common rule)
- Center framing for power, stability, direct address (speeches, confrontation)
- Leading lines for direction and depth (roads, hallways, rivers)
- Look space in direction subject is looking (otherwise feels cramped)
- Headroom: eyes in upper third of frame (standard for most shots)
- Horizon never at center (place in upper or lower third)
- Foreground, midground, background for depth (three layers minimum)