Line 1 is incorrect. It has -2035. It should be -2585 unless charitable contributions get added back in.
FYI
Line D of the Smart worksheet also has -2035.
2021 Form 1040 Line 11 is 23065, Line 14 is 25650(standard deduction + 550 in contributions), Line 15 is 0.
Subtracting Line 14 from Line 11 results in -2585 on Line 15, if you were allowed to enter negative numbers.
