Form behavior on invalid inputs: prevent other clicks and focus the first invalid input
Uncollapse .daily-totals so that columns can omit overflow: hidden to show error messages
Reorder for less nesting
Separate error messages for different errors, and change date error name
Add own number validator, angular's seems to be buggy
Sliding errors
Different error groups with different background colors
OK to hide overflows again
Tweak input padding and size