create a refined interior design concept for the cabin based on the uploaded 3d model image use the first image as the main source for geometry room layout window placement ceiling shape kitchen location dining area and overall proportions do not change the architecture roof shape window openings or main room layout use the reference photos as moodboard for materiality atmosphere detailing and furniture style design direction a warm natural nordic coastal cabin interior with exposed timber honest materials and a calm handcrafted feeling the interior should feel simple elegant tactile and slightly rustic but still modern and clean materials use warm pine douglas fir light natural wood on walls ceiling beams window frames kitchen fronts and built in furniture add visible wood grain natural knots and vertical timber cladding use slightly varied tones of wood not one flat uniform texture keep the ceiling and beams expressive with visible rafters and a strong cabin character kitchen replace the current plain kitchen block with a more crafted timber kitchen inspired by the reference photos use natural wood drawer fronts clean horizontal lines recessed handles or simple black handle slots and a stainless steel or brushed metal countertop keep the kitchen in the same location and general volume as the original model add a simple sink minimal faucet and restrained functional details dining area replace the glass table and plastic chairs with a warmer more natural dining setup use a solid wooden dining table simple wooden chairs or woven rattan inspired chairs natural textures and a calm scandinavian expression the dining area should feel suitable for long meals at a seaside cabin windows and view preserve the large panoramic windows and emphasize the connection to the landscape and sea use slim natural wood frames add soft linen curtains or light sheer fabric in selected areas but keep the view open and uncluttered living atmosphere add subtle cabin details woven rugs linen textiles a few handcrafted objects baskets soft cushions warm neutral tones and natural materials avoid luxury hotel styling the feeling should be relaxed timeless and personal lighting use warm natural daylight with soft shadows add subtle warm integrated lighting or simple pendant wall lights in brushed metal or natural materials the scene should feel like late afternoon sunlight entering through large windows color palette warm natural wood honey pine light beige muted sand soft grey concrete stone off white textiles small accents of muted blue from the coastal reference avoid dark cold glossy or overly modern surfaces important keep the original cabin geometry and room layout from the first image use the moodboard images only for style material treatment furniture character atmosphere and detailing do not add extra rooms extra floors or major new architectural elements make the result realistic buildable and suitable as a high quality architectural interior visualization render style photorealistic architectural visualization high detail realistic wood texture natural light soft shadows clean scandinavian composition warm and calm atmosphere