59. 소셜 피드 인터페이스 Design a social media feed: **Feed Container**: - Full-screen scrolling list - Pull-to-refresh - Infinite scroll pagination **Post Card**: - No border, separated by spacing - Background: white - Vertical layout **Post Header**: - Avatar (40px) - Username (bold) + handle or timestamp - Follow button (if not following) - More menu (...) **Post Content**: - Text: expandable if long, "...more" - Hashtags/mentions: highlighted, tappable - Link previews: card format **Media Types**: - Single image: full width, tap to expand - Multiple images: grid or carousel - Video: auto-play muted, tap for sound - Story preview: circular thumbnail **Image Grid**: - 2 images: side by side - 3 images: 1 large + 2 small - 4+ images: 2x2 grid + "+N" overlay **Engagement Bar**: - Like: heart icon + count - Comment: bubble icon + count - Share/repost: arrow icon - Save/bookmark: flag icon - Spacing: icons left, save right **Like Animation**: - Double-tap: large heart overlay - Heart fills red with scale animation **Comments Preview**: - 1-2 top comments shown - "View all X comments" link - Add comment input teaser **Stories Row** (top): - Horizontal scroll - Circular avatars with gradient ring - "Your story" with + icon first - Tap: opens fullscreen story viewer **New Posts Indicator**: - "New posts" pill button - Appears when new content available - Tap scrolls to top and loads Tech: React Native + FlashList + Reanimated