Wow big problem

Ok, some how or another my fan malfunctioned and my grow box got hot as hell. the plant withered up, really bad. the main stem still looks ok. have i killed it? what can i do to save it? or should i just start all over?

Common guys, is it worth me trying to save? i'll post a pic of what it looked like 4 days ago, its a seedling, about 3 weeks old

here it was last friday

it doesn't look that bad right there. but its hard to tell from that pic. a newer better pic would be nice.updated . no what i mean. also does it have any new growth?

well, this is before i got fucked up by the lights, all of those leaves are now 1/8th of the size they were. i'll try to get some new pics up. should i top it, or just scrap it and start over?

btw, i only have my phone to take pics, its a 2 mega pixel but doesnt do justice.

does it have any new growth from the top though?

just give it some time, if you see new growth in a week then it can be saved.
edit: I saw your pic, you'll be fine!

it looks like it will make it, i would spray some water on the leaves just to help in re-hydration of the plant.