A moody modern home office and lounge rendered in Planner 5D, designed with a bold navy blue color palette and cozy urban character. The room combines workspace and relaxation zones, making it ideal for a multifunctional apartment, teen room, or creative studio setup. A custom corner desk anchors the space with a sleek computer workstation, ergonomic office chair, overhead storage cabinets, and open shelving for books and decor. Behind the desk, a dramatic city skyline mural creates a stylish accent wall that adds depth and a metropolitan feel to the interior. The dark walls and textured ceiling enhance the immersive atmosphere, while soft lighting keeps the room warm and inviting. On the right side, a pair of contemporary white accent chairs forms a compact seating area near the window, complemented by minimalist round side tables. A plush deep-blue area rug and striped floor cushions bring extra comfort and texture, balancing the room’s modern lines with a relaxed lounge vibe. Clean white furniture pieces on the left provide contrast against the dark backdrop, while geometric wall decor and small plants add personality. This interior design is a great example of a modern dark home office idea with lounge seating, blending functional furniture, cozy textures, and urban-inspired decor for a sophisticated Planner 5D room design.