Your NFL Card RNG game is live! Here's what's included:

**4 Tabs:**
- **Home** - Stats dashboard, daily bonus (1000 coins/day), recent pulls display
- **Packs** - 3 pack tiers: Standard (500), Premium (1500), Legendary (4000) with increasing rare odds
- **Cards** - Full inventory with rarity filters, individual sell buttons, and "Sell Dupes" bulk action
- **Account** - Login/Sign Up with local auth, profile card showing level, collection stats, and logout

**Card System:**
- 40 real NFL players with 6 rarities: Bronze, Silver, Gold, Diamond, Legendary, Mythic
- Each card has OVR rating, position, team, and sell value based on rarity
- Animated card reveal with holographic shine effects
- Keep or sell each card as you reveal them

**Features:**
- Starting 5000 coins, pack opening with RNG-based rarity rolls
- Sound effects for pack opening, card reveals, buying, and selling
- Background stadium music
- Data persists via localStorage

**Next Ideas:**
1. **Trading System** - Add a marketplace where you can list cards for sale at custom prices and buy from other "AI traders" with fluctuating market values
2. **Team Builder Mode** - Let players assemble a full NFL roster (QB, WR, RB, etc.) and compete in simulated matchups based on total OVR rating

**Ready to level up your game? Pick one and let's build it!**