SharePoint library choice column formatting

I am trying to format a JSON for a Choice column that has been set to "choice pills". I am trying to change things like font color, background color, border etc. So far trying to do this but doesn't seem to work:

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/column-formatting.schema.json",
  "elmType": "div",
  "style": {
    "flex-wrap": "wrap",
    "display": "flex"
  },
  "children": [
    {
      "forEach": "__INTERNAL__ in @currentField",
      "elmType": "div",
      "style": {
	    "color": "=if(@currentField == 'Sales', '#ff0000', if(@currentField == 'Marketing', '#006aff', if(@currentField == 'Warehouse', '#b882d7','green')))",
        "background-color": "=if(@currentField == 'Sales', '#FAA0A0', if(@currentField == 'Marketing', '#c1d3f7', if(@currentField == 'Warehouse', '#e4c1f7','#DAF7A6')))",
        "box-sizing": "border-box",
        "padding": "4px 8px 5px 8px",
        "overflow": "hidden",
        "text-overflow": "ellipsis",
        "display": "flex",
        "border-radius": "16px",
        "height": "24px",
        "align-items": "center",
        "white-space": "nowrap",
        "margin": "4px 4px 4px 4px"
      },
      "attributes": {
        "class": {
          "operator": ":",
          "operands": [
            {
              "operator": "==",
              "operands": [
                "[$__INTERNAL__]",
                "Sales"
              ]
            },
            "sp-css-backgroundColor-BgCornflowerBlue sp-css-color-CornflowerBlueFont",
            {
              "operator": ":",
              "operands": [
                {
                  "operator": "==",
                  "operands": [
                    "[$__INTERNAL__]",
                    "Marketing"
                  ]
                },
                "sp-css-backgroundColor-BgMintGreen sp-css-color-MintGreenFont",
                {
                  "operator": ":",
                  "operands": [
                    {
                      "operator": "==",
                      "operands": [
                        "[$__INTERNAL__]",
                        "Warehouse"
                      ]
                    },
                    "sp-css-backgroundColor-BgGold sp-css-color-GoldFont",
                    "sp-field-borderAllRegular sp-field-borderAllSolid sp-css-borderColor-neutralSecondary"
                  ]
                }
              ]
            }
          ]
        }
      },
      "txtContent": "[$__INTERNAL__]"
    }
  ]
}