the amount of 0 means 0 nxt in that transaction because no one is getting any nxt and the 1 is the fees required per mint. red is the fees going out.
if you look closely in the transaction details by clicking on the transaction id, you can find the amount of minted coins in the raw data section.
eg
https://nxtblocks.info/#section/txid/1045945306017018459Raw data
Attachment {"counter":"2","currency":"5775213290661997199","nonce":"-9028463701948602883","units":"
100000","version.CurrencyMinting":1}
that is 10coins minted.
you need to find your minted coins under monetary system tab. click my currencies tab on top right and you can see how much you have.
you are minting monetary system currency. you are not minting any more nxt from this.
you may sell your mscoins for nxt in the exchange booth in the client.