Update colors throughout app

app/src/components/OutputsTable/ScenarioRow.tsx

@@ -10,6 +10,7 @@ const ScenarioRow = (props: {
   variants: PromptVariant[];
   canHide: boolean;
   rowStart: number;
+  isLast: boolean;
 }) => {
   const [isHovered, setIsHovered] = useState(false);
 
@@ -21,10 +22,12 @@ const ScenarioRow = (props: {
         onMouseEnter={() => setIsHovered(true)}
         onMouseLeave={() => setIsHovered(false)}
         sx={isHovered ? highlightStyle : undefined}
+        bgColor="white"
         borderLeftWidth={1}
         {...borders}
         rowStart={props.rowStart}
         colStart={1}
+        borderBottomLeftRadius={props.isLast ? 8 : 0}
       >
         <ScenarioEditor scenario={props.scenario} hovered={isHovered} canHide={props.canHide} />
       </GridItem>
@@ -34,8 +37,10 @@ const ScenarioRow = (props: {
           onMouseEnter={() => setIsHovered(true)}
           onMouseLeave={() => setIsHovered(false)}
           sx={isHovered ? highlightStyle : undefined}
+          bgColor="white"
           rowStart={props.rowStart}
           colStart={i + 2}
+          borderBottomRightRadius={props.isLast && i === props.variants.length - 1 ? 8 : 0}
           {...borders}
         >
           <OutputCell key={variant.id} scenario={props.scenario} variant={variant} />

app/src/components/OutputsTable/ScenariosHeader.tsx

@@ -48,7 +48,20 @@ export const ScenariosHeader = () => {
   );
 
   return (
-    <HStack w="100%" pb={cellPadding.y} pt={0} align="center" spacing={0}>
+    <HStack
+      w="100%"
+      py={cellPadding.y}
+      px={cellPadding.x}
+      align="center"
+      spacing={0}
+      borderTopRightRadius={8}
+      borderTopLeftRadius={8}
+      bgColor="white"
+      borderWidth={1}
+      borderBottomWidth={0}
+      borderColor="gray.300"
+      mt={8}
+    >
       <Text fontSize={16} fontWeight="bold">
         Scenarios ({scenarios.data?.count})
       </Text>

app/src/components/OutputsTable/index.tsx

@@ -53,20 +53,29 @@ export default function OutputsTable({ experimentId }: { experimentId: string |
           colStart: i + 2,
           borderLeftWidth: i === 0 ? 1 : 0,
           marginLeft: i === 0 ? "-1px" : 0,
-          backgroundColor: "gray.100",
+          backgroundColor: "white",
         };
+        const isFirst = i === 0;
+        const isLast = i === variants.data.length - 1;
         return (
           <Fragment key={variant.uiId}>
             <VariantHeader
               variant={variant}
               canHide={variants.data.length > 1}
               rowStart={1}
+              borderTopLeftRadius={isFirst ? 8 : 0}
+              borderTopRightRadius={isLast ? 8 : 0}
               {...sharedProps}
             />
             <GridItem rowStart={2} {...sharedProps}>
               <VariantEditor variant={variant} />
             </GridItem>
-            <GridItem rowStart={3} {...sharedProps}>
+            <GridItem
+              rowStart={3}
+              {...sharedProps}
+              borderBottomLeftRadius={isFirst ? 8 : 0}
+              borderBottomRightRadius={isLast ? 8 : 0}
+            >
               <VariantStats variant={variant} />
             </GridItem>
           </Fragment>
@@ -90,6 +99,7 @@ export default function OutputsTable({ experimentId }: { experimentId: string |
           scenario={scenario}
           variants={variants.data}
           canHide={visibleScenariosCount > 1}
+          isLast={i === visibleScenariosCount - 1}
         />
       ))}
       <GridItem