You can view your positions and orders in your account panel where you can keep track of all your positions, orders and your key account metrics.
A few key terms to understand:
Available Balance: This is the capital available in your account for trading.
Total Trade Equity: Is the total value of your account and trading portfolio. It Is calculated as follows: Account Balance + Unrealized PnL.
Total Maintenance Margin: Is the capital in your wallet set aside to keep your positions open.
Total Initial Margin: Is the capital in your wallet set aside to keep your orders open.
Net Unrealised PNL: Is the total profit and loss from the positions in your portfolio.
Liquidation Buffer: Is the capital protecting you from liquidation, once this hits 0 you will be liquidated.