# Database (Vercel Postgres / Neon / Supabase) DATABASE_URL="postgresql://user:password@host:5432/database?sslmode=require" DIRECT_URL="postgresql://user:password@host:5432/database?sslmode=require" # NextAuth NEXTAUTH_URL="http://localhost:3000" NEXTAUTH_SECRET="your-super-secret-key-here-change-in-production" # Google OAuth (get from Google Cloud Console) GOOGLE_CLIENT_ID="your-google-client-id" GOOGLE_CLIENT_SECRET="your-google-client-secret"