touchup: use white for color of unscored

seems like score of - or 5 should behave the same as unfilled
indicator: i.e. blend in with background

src/web/topic/components/Score/PieChart.tsx

@@ -79,7 +79,10 @@ export const PieChart = ({ onClick, customData, startAngle, type = "regular" }:
 
             onClick(segmentData);
           }}
-          background="white"
+          // use a gray background so that white segments have a clear edge (against diagram's white background, it's otherwise hard to tell where the pie ends)
+          background="#E1E1E1" // neutral-main
+          // stroke-46 with the background looks like a 1px border for radius 45 i.e. regular pie (don't care for button pie because it's got a border from its parent container)
+          className="[&_>_path:first-child]:stroke-[46]"
         />
       </div>
     </Tooltip>

src/web/topic/utils/score.ts

@@ -5,7 +5,7 @@ import round from "lodash/round";
 import { Score } from "@/web/topic/utils/graph";
 
 export const scoreColors: Record<Score, keyof Palette> = {
-  "-": "neutral",
+  "-": "paper",
   "1": "critique1",
   "2": "critique2",
   "3": "critique3",