Simple Json Configuration Writer Needed

For my project I have a list which displays data from about 20 columns. I have been able to create a full page width form that is close to what I want, but not fully. the form has a HEADER and BODY. I have formatting requests for each section. For the Header, I want the text to be displayed coming from the [summary] field.the border of the header area has a 3px line around it and on the left hand side of the text box I want the [LOGO] image field to display as a thumbnail. In addition I'd like the formatting of the text color and border color to be conditional, based upon what is in another field [Customer Temp]. there are three choices: Green (cool), Yellow (warm) and Red (hot). So far I have been able to get the text and border to be in its default green color, but don't; know how to format the JSON to be conditional for the other colors. IN addition i have not been successful in displaying the image thumbnail on the left. I have tried through Chat GPT to get help but not successfully. Currently in place of the thumbnail is an icon image which is just there as a place holder until I can get the logo to display.