Replace global scrollbars with themed overlay scroll areas

src/app/(main)/SideNav.tsx

@@ -13,6 +13,7 @@ import { SettingsNav } from '@/app/(main)/settings/SettingsNav';
 import { WebsiteNav } from '@/app/(main)/websites/[websiteId]/WebsiteNav';
 import { IconLabel } from '@/components/common/IconLabel';
 import Link from '@/components/common/Link';
+import { OverlayScrollArea } from '@/components/common/OverlayScrollArea';
 import { useGlobalState, useMessages, useNavigation } from '@/components/hooks';
 import {
   Globe,
@@ -103,7 +104,7 @@ export function SideNav(props: any) {
           <PanelButton />
         </Row>
       </Row>
-      <Column flexGrow="1" minHeight="0" style={{ overflowY: 'auto', overflowX: 'hidden' }}>
+      <OverlayScrollArea style={{ flexGrow: 1, minHeight: 0 }}>
         {websiteId ? (
           <WebsiteNav websiteId={websiteId} isCollapsed={isCollapsed} />
         ) : pathname.includes('/settings') ? (
@@ -147,7 +148,7 @@ export function SideNav(props: any) {
             })}
           </Column>
         )}
-      </Column>
+      </OverlayScrollArea>
       <Row
         paddingTop="2"
         width="100%"

src/app/(main)/websites/[websiteId]/WebsiteExpandedView.tsx

@@ -1,5 +1,6 @@
 import { Column, Grid, Row } from '@umami/react-zen';
 import { WebsiteExpandedMenu } from '@/app/(main)/websites/[websiteId]/WebsiteExpandedMenu';
+import { OverlayScrollArea } from '@/components/common/OverlayScrollArea';
 import { useMessages, useNavigation } from '@/components/hooks';
 import { MobileMenuButton } from '@/components/input/MobileMenuButton';
 import { MetricsExpandedTable } from '@/components/metrics/MetricsExpandedTable';
@@ -40,9 +41,12 @@ export function WebsiteExpandedView({
           gap="6"
           border="right"
           paddingRight="3"
-          overflow="auto"
+          minHeight="0"
+          overflow="hidden"
         >
-          <WebsiteExpandedMenu excludedIds={excludedIds} />
+          <OverlayScrollArea style={{ height: '100%' }}>
+            <WebsiteExpandedMenu excludedIds={excludedIds} />
+          </OverlayScrollArea>
         </Column>
         <Column id="metrics-expanded-table" overflow="hidden">
           <MetricsExpandedTable title={title} type={view} websiteId={websiteId} onClose={onClose} />

src/app/global.css

@@ -18,29 +18,6 @@ html[style*="padding-right"] {
   padding-right: 0 !important;
 }
 
-::-webkit-scrollbar {
-  width: 15px;
-  background: transparent;
-}
-
-::-webkit-scrollbar-track {
-  border: 7px solid rgba(0, 0, 0, 0);
-  background-color: var(--border-default);
-  background-clip: padding-box;
-}
-
-::-webkit-scrollbar-thumb {
-  border: 7px solid rgba(0, 0, 0, 0);
-  background-color: var(--text-disabled);
-  border-radius: var(--border-radius-full);
-  background-clip: padding-box;
-}
-
-::-webkit-scrollbar-thumb:hover {
-  border: 4px solid rgba(0, 0, 0, 0);
-  background-clip: padding-box;
-}
-
 /* Fix autofill background color to match theme */
 input:is(:-webkit-autofill, :autofill),
 input:is(:-webkit-autofill, :autofill):hover,

src/components/common/NavMenu.tsx

@@ -52,17 +52,17 @@ export function NavMenu({
   };
 
   return (
-    <Column gap overflowY="auto" justifyContent="space-between" position="sticky">
+    <Column gap justifyContent="space-between" position="sticky">
       {title && (
         <Row padding>
           <Heading size="lg">{title}</Heading>
         </Row>
       )}
-      <Column gap="6" {...props}>
+      <Column gap="3" {...props}>
         {items?.map(({ label, items }, index) => {
           if (label) {
             return (
-              <Column key={`${label}${index}`} gap="1" marginBottom="3" minHeight="40px">
+              <Column key={`${label}${index}`} gap="1" minHeight="40px">
                 <Row paddingX="3" marginTop="2">
                   <Text weight="bold">{label}</Text>
                 </Row>

src/components/common/OverlayScrollArea.module.css

@@ -0,0 +1,45 @@
+.root {
+  --overlay-scrollbar-track: var(--gray-50);
+  --overlay-scrollbar-thumb: var(--gray-300);
+  --overlay-scrollbar-thumb-hover: var(--gray-400);
+}
+
+.root > [data-orientation="vertical"] {
+  width: 4px;
+  margin: 16px 2px;
+  background-color: var(--overlay-scrollbar-track);
+}
+
+.root > [data-orientation="horizontal"] {
+  height: 4px;
+  margin: 2px 16px;
+  background-color: var(--overlay-scrollbar-track);
+}
+
+.root > [data-orientation] > div {
+  position: relative;
+  background-color: var(--overlay-scrollbar-thumb);
+}
+
+.root > [data-orientation] > div:hover,
+.root > [data-orientation] > div:active {
+  background-color: var(--overlay-scrollbar-thumb-hover);
+}
+
+.root > [data-orientation="vertical"] > div::before {
+  position: absolute;
+  inset: 0 -4px;
+  content: "";
+}
+
+.root > [data-orientation="horizontal"] > div::before {
+  position: absolute;
+  inset: -4px 0;
+  content: "";
+}
+
+:global([data-theme="dark"]) .root {
+  --overlay-scrollbar-track: var(--gray-800);
+  --overlay-scrollbar-thumb: var(--gray-600);
+  --overlay-scrollbar-thumb-hover: var(--gray-500);
+}

src/components/common/OverlayScrollArea.tsx

@@ -0,0 +1,6 @@
+import { cn, type ScrollAreaProps, ScrollArea as ZenScrollArea } from '@umami/react-zen';
+import styles from './OverlayScrollArea.module.css';
+
+export function OverlayScrollArea({ className, ...props }: ScrollAreaProps) {
+  return <ZenScrollArea className={cn(styles.root, className)} {...props} />;
+}

src/components/metrics/MetricsExpandedTable.tsx

@@ -1,6 +1,7 @@
 import { Button, Column, DataColumn, DataTable, Icon, Row, SearchField } from '@umami/react-zen';
 import { type ReactNode, useState } from 'react';
 import { LoadingPanel } from '@/components/common/LoadingPanel';
+import { OverlayScrollArea } from '@/components/common/OverlayScrollArea';
 import { useMessages, useWebsiteExpandedMetricsQuery } from '@/components/hooks';
 import { X } from '@/components/icons';
 import { DownloadButton } from '@/components/input/DownloadButton';
@@ -76,55 +77,57 @@ export function MetricsExpandedTable({
         height="100%"
         loadingIcon="spinner"
       >
-        <Column overflow="auto" minHeight="0" height="100%" paddingRight="3">
-          {items && (
-            <DataTable data={items}>
-              <DataColumn id="label" label={title} width="minmax(200px, 2fr)" align="start">
-                {row => (
-                  <Row overflow="hidden">
-                    <MetricLabel type={type} data={row} />
-                  </Row>
-                )}
-              </DataColumn>
-              <DataColumn id="visitors" label={t(labels.visitors)} align="end" width="120px">
-                {row => row?.visitors?.toLocaleString()}
-              </DataColumn>
-              <DataColumn id="visits" label={t(labels.visits)} align="end" width="120px">
-                {row => row?.visits?.toLocaleString()}
-              </DataColumn>
-              <DataColumn id="pageviews" label={t(labels.views)} align="end" width="120px">
-                {row => row?.pageviews?.toLocaleString()}
-              </DataColumn>
-              {showBounceDuration && [
-                <DataColumn
-                  key="bounceRate"
-                  id="bounceRate"
-                  label={t(labels.bounceRate)}
-                  align="end"
-                  width="120px"
-                >
-                  {row => {
-                    const n = (Math.min(row?.visits, row?.bounces) / row?.visits) * 100;
-                    return `${Math.round(+n)}%`;
-                  }}
-                </DataColumn>,
+        <OverlayScrollArea orientation="both" style={{ height: '100%', minHeight: 0 }}>
+          <Column paddingRight="3">
+            {items && (
+              <DataTable data={items}>
+                <DataColumn id="label" label={title} width="minmax(200px, 2fr)" align="start">
+                  {row => (
+                    <Row overflow="hidden">
+                      <MetricLabel type={type} data={row} />
+                    </Row>
+                  )}
+                </DataColumn>
+                <DataColumn id="visitors" label={t(labels.visitors)} align="end" width="120px">
+                  {row => row?.visitors?.toLocaleString()}
+                </DataColumn>
+                <DataColumn id="visits" label={t(labels.visits)} align="end" width="120px">
+                  {row => row?.visits?.toLocaleString()}
+                </DataColumn>
+                <DataColumn id="pageviews" label={t(labels.views)} align="end" width="120px">
+                  {row => row?.pageviews?.toLocaleString()}
+                </DataColumn>
+                {showBounceDuration && [
+                  <DataColumn
+                    key="bounceRate"
+                    id="bounceRate"
+                    label={t(labels.bounceRate)}
+                    align="end"
+                    width="120px"
+                  >
+                    {row => {
+                      const n = (Math.min(row?.visits, row?.bounces) / row?.visits) * 100;
+                      return `${Math.round(+n)}%`;
+                    }}
+                  </DataColumn>,
 
-                <DataColumn
-                  key="visitDuration"
-                  id="visitDuration"
-                  label={t(labels.visitDuration)}
-                  align="end"
-                  width="120px"
-                >
-                  {row => {
-                    const n = row?.totaltime / row?.visits;
-                    return `${+n < 0 ? '-' : ''}${formatShortTime(Math.abs(~~n), ['m', 's'], ' ')}`;
-                  }}
-                </DataColumn>,
-              ]}
-            </DataTable>
-          )}
-        </Column>
+                  <DataColumn
+                    key="visitDuration"
+                    id="visitDuration"
+                    label={t(labels.visitDuration)}
+                    align="end"
+                    width="120px"
+                  >
+                    {row => {
+                      const n = row?.totaltime / row?.visits;
+                      return `${+n < 0 ? '-' : ''}${formatShortTime(Math.abs(~~n), ['m', 's'], ' ')}`;
+                    }}
+                  </DataColumn>,
+                ]}
+              </DataTable>
+            )}
+          </Column>
+        </OverlayScrollArea>
       </LoadingPanel>
     </>
   );