Postpartum period??

Ok im 4 months postpartum ive been breastfeeding switched to exclusively pumping a month ago due to tongue tie. Anyway a couple days ago I started spotting it was light pink... then brown then pink and brown, then it was a pinkish red.. it didnt get heavy at all not even when i used a tampon for hours. Was this my first period? Or just spotting? I had some very light cramping on and off, moody, and my nipples really hurt, they still do but im pumping so it could just be that? Idk anyone have a weird first period? It’s stressful not knowing my cycle