horror theme, abandoned office, eerie atmosphere, dim lighting, long shadows, ghostly apparitions, haunted, cobwebs, dusty desks, flickering lights, broken windows, moonlight, sinister silhouette, suspenseful, chilling, decaying walls, rusted pipes, creepy dolls, scattered papers, overgrown plants, 3/4 view, high contrast, cold color palette, survival, tense, psychological thriller, ominous soundtrack, jump scares, claustrophobic spaces, intense close-up, shaky camera effect.