Phalaenopsis spike has turned purple

[Heyfee4]

Hello ~

I am very, very, new to growing orchids. My Phalaenopsis just finished blooming about one week ago. It was beautiful. About 11 blooms on a long spike, and the last bloom just fell off. After the bloom fell, the stem started to turn purple. I did a quick search and it said it might be getting too much light. I moved the plant but it still a different color.

Is there something I should be doing for the orchid? This plant bloomed beautifully all winter, and provided me joy while I grieved my precious dog. I want to do everything I can to give back.

I will attach some pictures below.

Thank you.
Kathleen