Remove unused import

app/src/components/OutputsTable/AddVariantButton.tsx

@@ -8,7 +8,7 @@ import {
   useHandledAsyncCallback,
   useVisibleScenarioIds,
 } from "~/utils/hooks";
-import { cellPadding } from "../constants";
+import { cellPadding } from "./constants";
 import { ActionButton } from "./ScenariosHeader";
 
 export default function AddVariantButton() {

app/src/components/OutputsTable/ScenarioEditor.tsx

@@ -16,7 +16,7 @@ import {
   VStack,
 } from "@chakra-ui/react";
 import { BsArrowsAngleExpand, BsX } from "react-icons/bs";
-import { cellPadding } from "../constants";
+import { cellPadding } from "./constants";
 import { FloatingLabelInput } from "./FloatingLabelInput";
 import { ScenarioEditorModal } from "./ScenarioEditorModal";
 

app/src/components/OutputsTable/ScenariosHeader.tsx

@@ -11,7 +11,7 @@ import {
   IconButton,
   Spinner,
 } from "@chakra-ui/react";
-import { cellPadding } from "../constants";
+import { cellPadding } from "./constants";
 import {
   useExperiment,
   useExperimentAccess,

app/src/components/OutputsTable/VariantHeader/VariantHeader.tsx

@@ -1,11 +1,11 @@
 import { useState, type DragEvent } from "react";
-import { type PromptVariant } from "../OutputsTable/types";
+import { type PromptVariant } from "../types";
 import { api } from "~/utils/api";
 import { RiDraggable } from "react-icons/ri";
 import { useExperimentAccess, useHandledAsyncCallback } from "~/utils/hooks";
 import { HStack, Icon, Text, GridItem, type GridItemProps } from "@chakra-ui/react"; // Changed here
 import { cellPadding, headerMinHeight } from "../constants";
-import AutoResizeTextArea from "../AutoResizeTextArea";
+import AutoResizeTextArea from "../../AutoResizeTextArea";
 import VariantHeaderMenuButton from "./VariantHeaderMenuButton";
 
 export default function VariantHeader(
@@ -75,7 +75,7 @@ export default function VariantHeader(
       padding={0}
       sx={{
         position: "sticky",
-        top: "-2",
+        top: "0",
         // Ensure that the menu always appears above the sticky header of other variants
         zIndex: menuOpen ? "dropdown" : 10,
       }}

app/src/components/OutputsTable/VariantHeader/VariantHeaderMenuButton.tsx

@@ -1,6 +1,4 @@
-import { type PromptVariant } from "../OutputsTable/types";
-import { api } from "~/utils/api";
-import { useHandledAsyncCallback, useVisibleScenarioIds } from "~/utils/hooks";
+import { useState } from "react";
 import {
   Icon,
   Menu,
@@ -14,10 +12,13 @@ import {
 } from "@chakra-ui/react";
 import { BsFillTrashFill, BsGear, BsStars } from "react-icons/bs";
 import { FaRegClone } from "react-icons/fa";
-import { useState } from "react";
-import { RefinePromptModal } from "../RefinePromptModal/RefinePromptModal";
 import { RiExchangeFundsFill } from "react-icons/ri";
-import { ChangeModelModal } from "../ChangeModelModal/ChangeModelModal";
+
+import { api } from "~/utils/api";
+import { useHandledAsyncCallback, useVisibleScenarioIds } from "~/utils/hooks";
+import { type PromptVariant } from "../types";
+import { RefinePromptModal } from "../../RefinePromptModal/RefinePromptModal";
+import { ChangeModelModal } from "../../ChangeModelModal/ChangeModelModal";
 
 export default function VariantHeaderMenuButton({
   variant,

app/src/components/OutputsTable/VariantStats.tsx

@@ -1,6 +1,6 @@
 import { HStack, Icon, Text, useToken } from "@chakra-ui/react";
 import { type PromptVariant } from "./types";
-import { cellPadding } from "../constants";
+import { cellPadding } from "./constants";
 import { api } from "~/utils/api";
 import chroma from "chroma-js";
 import { BsCurrencyDollar } from "react-icons/bs";

app/src/components/OutputsTable/index.tsx

@@ -3,13 +3,14 @@ import { api } from "~/utils/api";
 import AddVariantButton from "./AddVariantButton";
 import ScenarioRow from "./ScenarioRow";
 import VariantEditor from "./VariantEditor";
-import VariantHeader from "../VariantHeader/VariantHeader";
+import VariantHeader from "./VariantHeader/VariantHeader";
 import VariantStats from "./VariantStats";
 import { ScenariosHeader } from "./ScenariosHeader";
 import { borders } from "./styles";
 import { useScenarios } from "~/utils/hooks";
 import ScenarioPaginator from "./ScenarioPaginator";
 import { Fragment } from "react";
+import useScrolledPast from "./useHasScrolledPast";
 
 export default function OutputsTable({ experimentId }: { experimentId: string | undefined }) {
   const variants = api.promptVariants.list.useQuery(
@@ -18,6 +19,7 @@ export default function OutputsTable({ experimentId }: { experimentId: string |
   );
 
   const scenarios = useScenarios();
+  const shouldFlattenHeader = useScrolledPast(50);
 
   if (!variants.data || !scenarios.data) return null;
 
@@ -63,8 +65,8 @@ export default function OutputsTable({ experimentId }: { experimentId: string |
               variant={variant}
               canHide={variants.data.length > 1}
               rowStart={1}
-              borderTopLeftRadius={isFirst ? 8 : 0}
-              borderTopRightRadius={isLast ? 8 : 0}
+              borderTopLeftRadius={isFirst && !shouldFlattenHeader ? 8 : 0}
+              borderTopRightRadius={isLast && !shouldFlattenHeader ? 8 : 0}
               {...sharedProps}
             />
             <GridItem rowStart={2} {...sharedProps}>

app/src/components/OutputsTable/useHasScrolledPast.tsx

@@ -0,0 +1,34 @@
+import { useState, useEffect } from "react";
+
+const useScrolledPast = (scrollThreshold: number) => {
+  const [hasScrolledPast, setHasScrolledPast] = useState(true);
+
+  useEffect(() => {
+    const container = document.getElementById("output-container");
+
+    if (!container) {
+      console.warn('Element with id "outputs-container" not found.');
+      return;
+    }
+
+    const checkScroll = () => {
+      const { scrollTop } = container;
+
+      // Check if scrollTop is greater than or equal to scrollThreshold
+      setHasScrolledPast(scrollTop > scrollThreshold);
+    };
+
+    checkScroll();
+
+    container.addEventListener("scroll", checkScroll);
+
+    // Cleanup
+    return () => {
+      container.removeEventListener("scroll", checkScroll);
+    };
+  }, []);
+
+  return hasScrolledPast;
+};
+
+export default useScrolledPast;

app/src/components/nav/ProjectMenu.tsx

@@ -67,7 +67,13 @@ export default function ProjectMenu() {
   );
 
   return (
-    <VStack w="full" alignItems="flex-start" spacing={0} py={1}>
+    <VStack
+      w="full"
+      alignItems="flex-start"
+      spacing={0}
+      py={1}
+      zIndex={popover.isOpen ? "dropdown" : undefined}
+    >
       <Popover
         placement="bottom"
         isOpen={popover.isOpen}

app/src/pages/experiments/[experimentSlug].tsx

@@ -124,7 +124,7 @@ export default function Experiment() {
             <ExperimentHeaderButtons />
           </PageHeaderContainer>
           <ExperimentSettingsDrawer />
-          <Box w="100%" overflowX="auto" flex={1}>
+          <Box w="100%" overflowX="auto" flex={1} id="output-container">
             <OutputsTable experimentId={experiment.data?.id} />
           </Box>
         </VStack>