Update background/simple_backgrounds.json

background/simple_backgrounds.json

@@ -3,5 +3,9 @@
   "소프트 그레이(부드러운 뉘앙스)": "soft grey background with gentle gradient, minimal aesthetic, subtle shadows, clean product focus, professional product photography", 
   "딥 블랙(강렬한 대비)": "deep black background with precision rim lighting, dramatic product emphasis, luxury product presentation, premium contrast, high-end commercial style",
   "파스텔 블루(차분한 파스텔)": "pastel blue background with soft diffused lighting, gentle product shadows, clean minimal aesthetic, contemporary commercial photography",
-  "투명 반사 테이블(빛의 반사)": "reflective table surface with professional product placement, controlled reflection, studio lighting from above with umbrella diffusion, commercial advertising quality"
+  "파스텔 그라데이션(부드러운 색채)": "soft pastel gradient background with gentle color transition, elegant product presentation, contemporary commercial aesthetic, harmonious color palette",
+  "그레디언트 배경(부드러운 색상 변화)": "smooth gradient background transitioning from white to soft grey, clean minimal aesthetic, subtle product shadow, professional commercial photography",
+  "투명 반사 테이블(빛의 반사)": "reflective table surface with professional product placement, controlled reflection, studio lighting from above with umbrella diffusion, commercial advertising quality",
+  "코너 스포트라이트(극적인 조명)": "clean background with subtle corner spotlight, dramatic accent lighting, professional product emphasis, premium presentation technique",
+  "크립트 페이퍼 텍스처(종이의 감성)": "subtle crisp paper texture background, minimalist product emphasis, premium material interaction, tactile commercial photography"  
 }