fix(web): use segmented controls for mode switches

apps/web/src/components/DiffPanel.tsx

@@ -800,8 +800,9 @@ export default function DiffPanel({
           </Tooltip>
         )}
         <ToggleGroup
-          className="shrink-0 gap-1"
-          size="sm"
+          aria-label="Diff layout"
+          className="shrink-0"
+          variant="segmented"
           value={[diffLayout]}
           onValueChange={(value) => {
             const next = value[0];
@@ -810,10 +811,10 @@ export default function DiffPanel({
             }
           }}
         >
-          <Toggle aria-label="Stacked diff view" value="stacked" variant="ghost">
+          <Toggle aria-label="Stacked diff view" value="stacked">
             <Rows3Icon className="size-3.5" />
           </Toggle>
-          <Toggle aria-label="Split diff view" value="split" variant="ghost">
+          <Toggle aria-label="Split diff view" value="split">
             <Columns2Icon className="size-3.5" />
           </Toggle>
         </ToggleGroup>

apps/web/src/components/GitActionsControl.tsx

@@ -42,6 +42,7 @@ import { Radio as RadioPrimitive } from "@base-ui/react/radio";
 import { AzureDevOpsIcon, BitbucketIcon, GitHubIcon, GitLabIcon } from "~/components/Icons";
 import { RadioGroup } from "~/components/ui/radio-group";
 import { Spinner } from "~/components/ui/spinner";
+import { Toggle, ToggleGroup } from "~/components/ui/toggle-group";
 import { cn } from "~/lib/utils";
 import {
   buildGitActionProgressStages,
@@ -830,34 +831,21 @@ function PublishRepositoryDialog(props: PublishRepositoryDialogProps) {
                         >
                           Protocol
                         </span>
-                        <RadioGroup
-                          value={publishProtocol}
-                          onValueChange={(value) =>
-                            setPublishProtocol(value as SourceControlCloneProtocol)
-                          }
+                        <ToggleGroup
+                          variant="segmented"
+                          value={[publishProtocol]}
+                          onValueChange={(next) => {
+                            const protocol = next[0];
+                            if (protocol === "ssh" || protocol === "https") {
+                              setPublishProtocol(protocol);
+                            }
+                          }}
                           aria-labelledby="publish-protocol-label"
                           disabled={publishRepositoryAction.isPending}
-                          className="grid grid-cols-2 gap-2"
                         >
-                          {(["ssh", "https"] as const).map((value) => {
-                            const isSelected = publishProtocol === value;
-                            return (
-                              <RadioPrimitive.Root
-                                key={value}
-                                value={value}
-                                className={cn(
-                                  "rounded-md border px-3 py-1.5 text-center text-sm font-medium outline-none transition",
-                                  "focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-1 focus-visible:ring-offset-background",
-                                  isSelected
-                                    ? "border-primary bg-background ring-2 ring-primary/35 text-foreground dark:border-transparent dark:bg-primary/10 dark:ring-1 dark:ring-primary/30"
-                                    : "border-border bg-background text-muted-foreground hover:border-foreground/20 hover:text-foreground dark:border-transparent dark:bg-white/[0.035]",
-                                )}
-                              >
-                                {value === "ssh" ? "SSH" : "HTTPS"}
-                              </RadioPrimitive.Root>
-                            );
-                          })}
-                        </RadioGroup>
+                          <Toggle value="ssh">SSH</Toggle>
+                          <Toggle value="https">HTTPS</Toggle>
+                        </ToggleGroup>
                       </div>
                     </div>
                   ) : null}

apps/web/src/components/pullRequest/PullRequestCodeTab.tsx

@@ -1138,8 +1138,9 @@ export function PullRequestCodeTab({
           </Tooltip>
         ) : null}
         <ToggleGroup
-          className="shrink-0 gap-1"
-          size="sm"
+          aria-label="Diff layout"
+          className="shrink-0"
+          variant="segmented"
           value={[diffLayout]}
           onValueChange={(value) => {
             const next = value[0];
@@ -1148,10 +1149,10 @@ export function PullRequestCodeTab({
             }
           }}
         >
-          <Toggle aria-label="Stacked diff view" value="stacked" variant="ghost">
+          <Toggle aria-label="Stacked diff view" value="stacked">
             <Rows3Icon className="size-3.5" />
           </Toggle>
-          <Toggle aria-label="Split diff view" value="split" variant="ghost">
+          <Toggle aria-label="Split diff view" value="split">
             <Columns2Icon className="size-3.5" />
           </Toggle>
         </ToggleGroup>

apps/web/src/components/pullRequest/PullRequestMarkdownEditor.tsx

@@ -5,6 +5,7 @@ import { cn } from "~/lib/utils";
 
 import { Button } from "../ui/button";
 import { Textarea } from "../ui/textarea";
+import { Toggle, ToggleGroup } from "../ui/toggle-group";
 import { PullRequestMarkdown } from "./PullRequestMarkdown";
 
 /**
@@ -64,24 +65,19 @@ export function PullRequestMarkdownEditor({
         onCancel();
       }}
     >
-      <div className="flex items-center gap-1">
-        <Button
-          size="xs"
-          variant={preview ? "ghost" : "outline"}
-          disabled={saving}
-          onClick={() => setPreview(false)}
-        >
-          Write
-        </Button>
-        <Button
-          size="xs"
-          variant={preview ? "outline" : "ghost"}
-          disabled={saving}
-          onClick={() => setPreview(true)}
-        >
-          Preview
-        </Button>
-      </div>
+      <ToggleGroup
+        aria-label="Markdown editor mode"
+        variant="segmented"
+        value={[preview ? "preview" : "write"]}
+        disabled={saving}
+        onValueChange={(next) => {
+          const mode = next[0];
+          if (mode === "write" || mode === "preview") setPreview(mode === "preview");
+        }}
+      >
+        <Toggle value="write">Write</Toggle>
+        <Toggle value="preview">Preview</Toggle>
+      </ToggleGroup>
       {preview ? (
         <div className="rounded-lg border border-border/60 px-3 py-2">
           {empty ? (

apps/web/src/components/settings/DiagnosticsSettings.tsx

@@ -36,6 +36,7 @@ import { usePrimaryEnvironment } from "../../state/environments";
 import { useCopyToClipboard } from "../../hooks/useCopyToClipboard";
 import { Button } from "../ui/button";
 import { ScrollArea } from "../ui/scroll-area";
+import { Toggle, ToggleGroup } from "../ui/toggle-group";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
 import { toastManager } from "../ui/toast";
 import { ExpandableText } from "./ExpandableText";
@@ -599,21 +600,23 @@ function ResourceHistoryWindowSelector({
   onSelect: (windowMs: number) => void;
 }) {
   return (
-    <div className="flex items-center rounded-md border border-border/60 p-0.5">
+    <ToggleGroup
+      aria-label="Process history period"
+      variant="segmented"
+      value={[String(selectedWindowMs)]}
+      onValueChange={(next) => {
+        const selected = RESOURCE_HISTORY_WINDOWS.find(
+          (option) => String(option.windowMs) === next[0],
+        );
+        if (selected) onSelect(selected.windowMs);
+      }}
+    >
       {RESOURCE_HISTORY_WINDOWS.map((option) => (
-        <button
-          key={option.windowMs}
-          type="button"
-          className={cn(
-            "cursor-pointer h-6 rounded-sm px-2 text-[11px] font-medium text-muted-foreground hover:text-foreground",
-            selectedWindowMs === option.windowMs && "bg-muted text-foreground",
-          )}
-          onClick={() => onSelect(option.windowMs)}
-        >
+        <Toggle key={option.windowMs} value={String(option.windowMs)}>
           {option.label}
-        </button>
+        </Toggle>
       ))}
-    </div>
+    </ToggleGroup>
   );
 }
 

apps/web/src/components/settings/ProviderSettingsPanel.tsx

@@ -72,6 +72,7 @@ import {
   NumberFieldInput,
 } from "../ui/number-field";
 import { ScrollArea } from "../ui/scroll-area";
+import { Toggle, ToggleGroup } from "../ui/toggle-group";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
 import { stackedThreadToast, toastManager } from "../ui/toast";
 import { AddProviderInstanceDialog } from "./AddProviderInstanceDialog";
@@ -80,7 +81,6 @@ import { ProviderInstanceCard } from "./ProviderInstanceCard";
 import { UsageProviderSettings } from "./UsageProviderSettings";
 import { ProviderSetupSection, readAntigravityAuthMethod } from "./ProviderSetupSection";
 import { DRIVER_OPTIONS, getDriverOption } from "./providerDriverMeta";
-import { providerSettingsTabClassName } from "./providerSettingsTabs";
 import { searchableSetting } from "./settingsSearch";
 import {
   backgroundActivityOverrideSettings,
@@ -326,22 +326,25 @@ function ProviderSettingsPanelContent(target: ProviderSettingsTarget) {
   const deviceTabs =
     !onlyPrimaryDevice && options.length > 0 ? (
       <ScrollArea hideScrollbars scrollFade className="h-11 min-w-0 flex-1 rounded-none">
-        <div role="group" aria-label="Devices" className="flex h-full w-max min-w-full px-1">
+        <ToggleGroup
+          aria-label="Devices"
+          variant="segmented"
+          className="my-2"
+          value={effectiveEnvironmentId ? [effectiveEnvironmentId] : []}
+          onValueChange={(next) => {
+            const environment = options.find((option) => option.environmentId === next[0]);
+            if (environment) setSelectedEnvironmentId(environment.environmentId);
+          }}
+        >
           {options.map((environment) => {
             const machine = resolveEnvironmentMachineKind(environment.serverConfig);
-            const selected = environment.environmentId === effectiveEnvironmentId;
             const detail = providerEnvironmentDetail(environment);
             const statusText = connectionStatusTitle(environment.connection);
             return (
               <Tooltip key={environment.environmentId}>
                 <TooltipTrigger
                   render={
-                    <button
-                      type="button"
-                      aria-pressed={selected}
-                      className={cn(providerSettingsTabClassName(selected), "gap-2 text-left")}
-                      onClick={() => setSelectedEnvironmentId(environment.environmentId)}
-                    >
+                    <Toggle value={environment.environmentId} className="gap-2 text-left">
                       <EnvironmentMachineIcon
                         kind={machine}
                         className="size-3.5 shrink-0"
@@ -357,7 +360,7 @@ function ProviderSettingsPanelContent(target: ProviderSettingsTarget) {
                       <span className="sr-only">
                         {detail}, {statusText}
                       </span>
-                    </button>
+                    </Toggle>
                   }
                 />
                 <TooltipPopup side="top">
@@ -366,7 +369,7 @@ function ProviderSettingsPanelContent(target: ProviderSettingsTarget) {
               </Tooltip>
             );
           })}
-        </div>
+        </ToggleGroup>
       </ScrollArea>
     ) : null;
 

apps/web/src/components/settings/ResourceTelemetryDiagnostics.tsx

@@ -45,6 +45,7 @@ import { useAtomCommand } from "../../state/use-atom-command";
 import { formatRelativeTime } from "../../timestampFormat";
 import { Button } from "../ui/button";
 import { ScrollArea } from "../ui/scroll-area";
+import { Toggle, ToggleGroup } from "../ui/toggle-group";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
 import { toastManager } from "../ui/toast";
 import {
@@ -378,21 +379,21 @@ function HistoryWindowSelector({
   onSelect: (windowMs: number) => void;
 }) {
   return (
-    <div className="flex items-center rounded-md border border-border/60 p-0.5">
+    <ToggleGroup
+      aria-label="Resource history period"
+      variant="segmented"
+      value={[String(selectedWindowMs)]}
+      onValueChange={(next) => {
+        const selected = HISTORY_WINDOWS.find((option) => String(option.windowMs) === next[0]);
+        if (selected) onSelect(selected.windowMs);
+      }}
+    >
       {HISTORY_WINDOWS.map((option) => (
-        <button
-          key={option.windowMs}
-          type="button"
-          className={cn(
-            "cursor-pointer h-6 rounded-sm px-2 text-[11px] font-medium text-muted-foreground hover:text-foreground",
-            selectedWindowMs === option.windowMs && "bg-muted text-foreground",
-          )}
-          onClick={() => onSelect(option.windowMs)}
-        >
+        <Toggle key={option.windowMs} value={String(option.windowMs)}>
           {option.label}
-        </button>
+        </Toggle>
       ))}
-    </div>
+    </ToggleGroup>
   );
 }
 

apps/web/src/components/settings/ThemeEditorPanel.tsx

@@ -38,6 +38,7 @@ import { cn } from "../../lib/utils";
 import { Button } from "../ui/button";
 import { Input } from "../ui/input";
 import { Switch } from "../ui/switch";
+import { Toggle, ToggleGroup } from "../ui/toggle-group";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
 import { getThemeRoleLabel, ThemeColorField } from "./ThemeColorPicker";
 import {
@@ -942,24 +943,17 @@ export function ThemeEditorPanel({
   );
 
   const renderAppearanceButton = (appearance: ThemeAppearance) => {
-    const isActive = activeAppearance === appearance;
     const lockReason = appearanceLockReason(appearance);
     // A locked mode stays hoverable so the tooltip can say why it is off;
     // a real disabled attribute would swallow the pointer events.
     const button = (
-      <Button
+      <Toggle
         aria-disabled={lockReason !== null}
-        aria-pressed={isActive}
-        size="sm"
+        value={appearance}
         className={lockReason !== null ? "opacity-50" : undefined}
-        style={isActive ? { boxShadow: "inset 0 0 0 1px var(--ring)" } : undefined}
-        variant={isActive ? "secondary" : "outline"}
-        onClick={() => {
-          if (lockReason === null) setActiveAppearance(appearance);
-        }}
       >
         {appearance === "light" ? "Light" : "Dark"}
-      </Button>
+      </Toggle>
     );
     if (lockReason === null) return button;
     return (
@@ -973,10 +967,23 @@ export function ThemeEditorPanel({
   const renderAppearanceButtons = () => (
     <div className="grid grid-cols-[minmax(0,1fr)_minmax(0,2fr)] items-center gap-3">
       <span className="text-sm font-medium">Appearance</span>
-      <div aria-label="Theme appearance" className="grid grid-cols-2 gap-2" role="group">
+      <ToggleGroup
+        aria-label="Theme appearance"
+        variant="segmented"
+        value={[activeAppearance]}
+        onValueChange={(next) => {
+          const appearance = next[0];
+          if (
+            (appearance === "light" || appearance === "dark") &&
+            appearanceLockReason(appearance) === null
+          ) {
+            setActiveAppearance(appearance);
+          }
+        }}
+      >
         {renderAppearanceButton("light")}
         {renderAppearanceButton("dark")}
-      </div>
+      </ToggleGroup>
     </div>
   );
 

apps/web/src/components/ui/toggle-group.tsx

@@ -16,7 +16,7 @@ const ToggleGroupContext = React.createContext<VariantProps<typeof toggleVariant
 
 function ToggleGroup({
   className,
-  variant = "default",
+  variant = "segmented",
   size = variant === "segmented" ? "segmented" : "default",
   orientation = "horizontal",
   children,