Create the main application page for a Cardano betting dApp with these components:
A header with the app logo, navigation menu (Dashboard, Place Bet, Active Bets, History), and a wallet connect button.
A main content area with:
- A welcome message and brief user stats (e.g., "Welcome back, [User]. You have 3 active bets.")
- A "Quick Bet" section with a simplified bet placement form
- A "Recent Activity" section showing the last few bets or transactions
- An 'Oracle Feeds' section showing latest price data from Cardano oracles
A sidebar with:
- User's showing ADA balance, bet tokens, and rewards
- Quick links to popular betting categories
A footer with Cardano network status and current epoch information
Use a sapphire theme with accent colors that suggest excitement and opportunity. | A shadcn/ui and v0 generation - v0
