Build a community platform web app with: 1) Member profiles with avatars, bios, and role badges (admin, moderator, member) 2) Discussion forums organized by topic categories with threaded replies 3) Event calendar with RSVP functionality and attendee lists 4) Resource library for sharing files, links, and guides 5) Member directory with search and filtering 6) Activity feed showing recent posts, comments, and joins 7) Private messaging between members 8) Notification system for mentions, replies, and event reminders 9) Admin dashboard for managing members, content moderation, and platform settings 10) Authentication with email/password and social login (Google, GitHub). Use a clean, modern design with a sidebar navigation. Include dark mode support.