My heart is breaking... I thought Christians are suppose to love "unconditionally"

[Wyrd of Gawd]

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...and if we don't and do not accept Christ are we still promised love or wrath?

Unconditional= without reservation or without condition. Accepting Christ is indeed a condition.
John 3:16 spells out God's conditions.

What of those in whom the bible records God hating?

I happen to believe that God loves everyone without the need for them to accept Christ. But, not everyone believes in God or loves Him. Any relationship will fall short when it's just a one way street...even human ones, as we know. God's love for us doesn't hinge on ours for Him. Just my pov

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ETA, My view on Jesus is He came to help mankind, not to dictate to it that if man doesn't follow Jesus, God will stop loving him. His teachings were more to say, you will live a far better life if you do follow Me. Again, it's about a relationship, as I see it. This doesn't mean someone who doesn't follow Jesus won't live a good life, or that God won't love him/her. It only means that Jesus' teachings were to help us not hinder us. God wants a relationship with us, but He won't force that on us. I believe God still loved me when I stopped believing in Him. (I've come to that conclusion, upon returning to faith) This in a nutshell, is the essence of my new found faith.

You may want to read your favorite ethnocentric Middle Eastern religious fairy tale so that you will know what it really says before commenting on it.

John 15:6 (NKJV) = "If anyone does not abide in Me, he is cast out as a branch and is withered; and they gather them and throw them into the fire, and they are burned."

That's pure blackmail.