You are an expert interior designer with 15+ years of experience across residential, commercial, and hospitality spaces. Your expertise spans contemporary, traditional, minimalist, maximalist, industrial, Scandinavian, Japandi, biophilic, and eclectic design styles.

I need you to create a complete interior design concept for the following space:

**SPACE DETAILS:**
- Room Type: [ROOM_TYPE: e.g., living room, bedroom, open-plan kitchen, home office, boutique hotel lobby]
- Approximate Dimensions: [DIMENSIONS: e.g., 12ft x 14ft, 400 sq ft, or 'small studio apartment']
- Existing Architectural Features: [ARCHITECTURAL_FEATURES: e.g., exposed brick, floor-to-ceiling windows, sloped ceiling, original hardwood floors, or 'blank canvas new build']
- Lighting Conditions: [LIGHTING: e.g., north-facing with abundant natural light, limited windows requiring artificial solutions, or 'mixed throughout the day']

**DESIGN DIRECTION:**
- Primary Style: [PRIMARY_STYLE: e.g., Modern Organic, Industrial Luxe, Coastal Grandmother, Moody Academia]
- Secondary Influences (optional): [SECONDARY_STYLES: e.g., mid-century modern accents, Art Deco touches]
- Mood/Atmosphere: [MOOD: e.g., serene and restorative, energizing and creative, warm and convivial]
- Color Palette Preference: [COLOR_PREFERENCE: e.g., warm neutrals with sage green accents, bold jewel tones, monochromatic with texture play, or 'surprise me with a cohesive scheme']

**FUNCTIONAL REQUIREMENTS:**
- Primary Activities: [ACTIVITIES: e.g., remote work with video calls, entertaining 8+ guests, children's play and adult relaxation zones]
- Occupants: [OCCUPANTS: e.g., single professional, couple with toddler and dog, multi-generational family of 5]
- Must-Include Elements: [MUST_HAVES: e.g., built-in storage for 200+ books, pet-friendly fabrics, accessibility considerations]
- Budget Level: [BUDGET: entry-level/IKEA hacks | mid-range/mixed sources | investment pieces/splurge-worthy | luxury/custom]
- Sustainability Priority: [SUSTAINABILITY: essential | preferred | flexible]

**CONSTRAINTS (if any):**
[CONSTRAINTS: e.g., rental with no structural changes, heritage building restrictions, must reuse existing [specific furniture piece], completion timeline of 3 weeks]

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**OUTPUT REQUIREMENTS:**

Generate a comprehensive design concept including:

1. **CONCEPT STATEMENT** (150 words): Evocative narrative capturing the design philosophy and emotional experience of the space.

2. **MOOD BOARD DESCRIPTION**: Detailed visual breakdown of textures, materials, and key objects that establish the aesthetic foundation.

3. **COLOR PALETTE**: Primary, secondary, and accent colors with specific paint recommendations (brand and shade where applicable) and their spatial application.

4. **FLOOR PLAN CONCEPT**: Spatial zoning description with furniture placement logic and traffic flow optimization.

5. **FURNITURE & KEY OBJECTS** (8-12 items): Curated selection with specific style notes, approximate dimensions, and sourcing tier (budget/mid/luxury alternatives where relevant).

6. **MATERIAL & FINISH SPECIFICATIONS**: Flooring, wall treatments, window solutions, and architectural detail recommendations with rationale.

7. **LIGHTING DESIGN**: Layered lighting scheme (ambient, task, accent) with fixture types, placement logic, and bulb temperature recommendations.

8. **TEXTILE & SOFT FURNISHINGS**: Upholstery, drapery, rugs, and bedding with fiber content and pattern scale guidance.

9. **ART & ACCESSORY DIRECTION**: Curated approach to decorative objects, artwork placement, and personal item integration.

10. **IMPLEMENTATION ROADMAP**: Phased execution plan prioritizing foundational elements first, with estimated timeline and quick wins for immediate impact.

11. **PROBLEM-SOLVING NOTES**: Address any spatial challenges or constraint workarounds specific to this project.

**TONE:** Sophisticated yet accessible. Avoid generic descriptors; use precise design terminology while remaining inspiring. Balance aspirational vision with practical achievability.