diff --git a/src/renderer/src/assets/main.css b/src/renderer/src/assets/main.css
index 557e9cda2..8e3892484 100644
--- a/src/renderer/src/assets/main.css
+++ b/src/renderer/src/assets/main.css
@@ -52,6 +52,12 @@
   --color-chart-5: var(--chart-5);
   --color-sidebar: var(--sidebar);
   --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-worktree-sidebar: var(--worktree-sidebar);
+  --color-worktree-sidebar-foreground: var(--worktree-sidebar-foreground);
+  --color-worktree-sidebar-accent: var(--worktree-sidebar-accent);
+  --color-worktree-sidebar-accent-foreground: var(--worktree-sidebar-accent-foreground);
+  --color-worktree-sidebar-border: var(--worktree-sidebar-border);
+  --color-worktree-sidebar-ring: var(--worktree-sidebar-ring);
   --color-sidebar-primary: var(--sidebar-primary);
   --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
   --color-sidebar-accent: var(--sidebar-accent);
@@ -137,6 +143,12 @@
   --chart-3: var(--color-blue-600);
   --chart-4: var(--color-blue-700);
   --chart-5: var(--color-blue-800);
+  --worktree-sidebar: #f5f5f5;
+  --worktree-sidebar-foreground: #0a0a0a;
+  --worktree-sidebar-accent: #eaeaea;
+  --worktree-sidebar-accent-foreground: #171717;
+  --worktree-sidebar-border: #e5e5e5;
+  --worktree-sidebar-ring: #a1a1a1;
   --sidebar: #fafafa;
   --sidebar-foreground: #0a0a0a;
   --sidebar-primary: #171717;
@@ -210,6 +222,14 @@
   --chart-3: var(--color-blue-600);
   --chart-4: var(--color-blue-700);
   --chart-5: var(--color-blue-800);
+  /* Why: light mode sets worktree-sidebar to secondary (#f5f5f5); mirror that
+     lift in dark mode so the panel reads clearly above #0a0a0a canvas. */
+  --worktree-sidebar: #2a2a2a;
+  --worktree-sidebar-foreground: #fafafa;
+  --worktree-sidebar-accent: #353535;
+  --worktree-sidebar-accent-foreground: #fafafa;
+  --worktree-sidebar-border: rgb(255 255 255 / 0.1);
+  --worktree-sidebar-ring: #737373;
   --sidebar: #171717;
   --sidebar-foreground: #fafafa;
   --sidebar-primary: #1447e6;
diff --git a/src/renderer/src/components/settings/SettingsSidebar.tsx b/src/renderer/src/components/settings/SettingsSidebar.tsx
index abfdf5211..0012cce65 100644
--- a/src/renderer/src/components/settings/SettingsSidebar.tsx
+++ b/src/renderer/src/components/settings/SettingsSidebar.tsx
@@ -85,10 +85,10 @@ function SettingsSetupGuideNavRow({
         })
       }
       className={cn(
-        'flex w-full items-center gap-2 rounded-lg px-2.5 py-2 text-left outline-none transition-colors focus-visible:ring-[3px] focus-visible:ring-ring/50',
+        'flex w-full items-center gap-2 rounded-lg px-2.5 py-2 text-left outline-none transition-colors focus-visible:ring-[3px] focus-visible:ring-worktree-sidebar-ring/50',
         setupActive
-          ? 'bg-accent font-medium text-accent-foreground'
-          : 'text-muted-foreground hover:bg-muted/60 hover:text-foreground'
+          ? 'bg-worktree-sidebar-accent font-medium text-worktree-sidebar-accent-foreground'
+          : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8 hover:text-worktree-sidebar-foreground'
       )}
     >
       <img
@@ -130,10 +130,10 @@ export function SettingsSidebar({
   const searchShortcutHint = useShortcutLabel('settings.search')
   const navItemClassName = (isActive: boolean): string =>
     cn(
-      'flex w-full items-center gap-2 rounded-lg px-3 py-1.5 text-left text-[13px] outline-none transition-colors focus-visible:ring-[3px] focus-visible:ring-ring/50',
+      'flex w-full items-center gap-2 rounded-lg px-3 py-1.5 text-left text-[13px] outline-none transition-colors focus-visible:ring-[3px] focus-visible:ring-worktree-sidebar-ring/50',
       isActive
-        ? 'bg-accent font-medium text-accent-foreground'
-        : 'text-muted-foreground hover:bg-muted/60 hover:text-foreground'
+        ? 'bg-worktree-sidebar-accent font-medium text-worktree-sidebar-accent-foreground'
+        : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8 hover:text-worktree-sidebar-foreground'
     )
   const installStatusLabel = (status: SettingsNavInstallStatus): string => {
     switch (status) {
@@ -156,8 +156,8 @@ export function SettingsSidebar({
     )
 
   return (
-    <aside className="flex w-[280px] shrink-0 flex-col border-r border-border/50 bg-card/40">
-      <div className="border-b border-border/50 px-3 py-3">
+    <aside className="flex w-[280px] shrink-0 flex-col border-r border-worktree-sidebar-border bg-worktree-sidebar">
+      <div className="border-b border-worktree-sidebar-border px-3 py-3">
         <Button
           variant="ghost"
           size="sm"
@@ -169,7 +169,7 @@ export function SettingsSidebar({
         </Button>
       </div>
 
-      <div className="border-b border-border/50 px-3 py-3">
+      <div className="border-b border-worktree-sidebar-border px-3 py-3">
         <div className="relative">
           <Search className="pointer-events-none absolute left-3 top-1/2 size-4 -translate-y-1/2 text-muted-foreground" />
           <Input
@@ -188,7 +188,7 @@ export function SettingsSidebar({
       </div>
 
       {showSetupGuideTopRow ? (
-        <div className="border-b border-border/50 px-3 py-3">
+        <div className="border-b border-worktree-sidebar-border px-3 py-3">
           <SettingsSetupGuideNavRow
             progress={setupGuideProgress}
             setupActive={setupActive}
diff --git a/src/renderer/src/components/sidebar/ImportedWorktreesVisibilityLine.tsx b/src/renderer/src/components/sidebar/ImportedWorktreesVisibilityLine.tsx
index 069669e26..ed6b2ac64 100644
--- a/src/renderer/src/components/sidebar/ImportedWorktreesVisibilityLine.tsx
+++ b/src/renderer/src/components/sidebar/ImportedWorktreesVisibilityLine.tsx
@@ -115,12 +115,12 @@ export default function ImportedWorktreesVisibilityLine({
   return (
     <section
       aria-busy={pending}
-      className={cn('mx-1 my-0.5 ml-3 text-sidebar-foreground', className)}
+      className={cn('mx-1 my-0.5 ml-3 text-worktree-sidebar-foreground', className)}
     >
       <div
         className={cn(
           'flex min-h-7 min-w-0 items-center gap-1.5 rounded-md px-1.5 text-[11px] leading-none text-muted-foreground transition-colors',
-          'hover:bg-sidebar-accent hover:text-sidebar-accent-foreground'
+          'hover:bg-worktree-sidebar-accent hover:text-worktree-sidebar-accent-foreground'
         )}
       >
         <Button
@@ -131,7 +131,7 @@ export default function ImportedWorktreesVisibilityLine({
           aria-expanded={isExpanded}
           aria-label={`${isExpanded ? 'Collapse' : 'Expand'} hidden worktrees for ${repoDisplayName}`}
           onClick={() => setIsExpanded((value) => !value)}
-          className="shrink-0 rounded-[4px] text-muted-foreground hover:bg-sidebar-accent hover:text-sidebar-accent-foreground"
+          className="shrink-0 rounded-[4px] text-muted-foreground hover:bg-worktree-sidebar-accent hover:text-worktree-sidebar-accent-foreground"
         >
           <ChevronRight
             className={cn('size-3 transition-transform', isExpanded && 'rotate-90')}
@@ -150,7 +150,7 @@ export default function ImportedWorktreesVisibilityLine({
                 disabled={pending}
                 aria-label={keepHiddenAriaLabel}
                 onClick={onKeepHidden}
-                className="shrink-0 rounded-md text-muted-foreground hover:bg-sidebar-accent hover:text-sidebar-accent-foreground"
+                className="shrink-0 rounded-md text-muted-foreground hover:bg-worktree-sidebar-accent hover:text-worktree-sidebar-accent-foreground"
               >
                 <X className="size-3" aria-hidden="true" />
               </Button>
@@ -164,7 +164,7 @@ export default function ImportedWorktreesVisibilityLine({
 
       {isExpanded ? (
         <div
-          className="ml-4 mt-0.5 grid gap-1 border-l border-sidebar-border pb-1 pl-2"
+          className="ml-4 mt-0.5 grid gap-1 border-l border-worktree-sidebar-border pb-1 pl-2"
           aria-label="Hidden worktree groups"
         >
           {visibleWorktreeGroups.map((group) => (
@@ -174,7 +174,7 @@ export default function ImportedWorktreesVisibilityLine({
                   <TooltipTrigger asChild>
                     <span
                       tabIndex={0}
-                      className="block min-w-0 flex-1 truncate font-mono text-[10px] leading-4 text-muted-foreground outline-none focus-visible:ring-1 focus-visible:ring-sidebar-ring"
+                      className="block min-w-0 flex-1 truncate font-mono text-[10px] leading-4 text-muted-foreground outline-none focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring"
                     >
                       {group.path}
                     </span>
@@ -183,7 +183,7 @@ export default function ImportedWorktreesVisibilityLine({
                     {group.path}
                   </TooltipContent>
                 </Tooltip>
-                <span className="shrink-0 rounded-full border border-sidebar-border px-1.5 py-0.5 text-[10px] leading-none text-muted-foreground">
+                <span className="shrink-0 rounded-full border border-worktree-sidebar-border px-1.5 py-0.5 text-[10px] leading-none text-muted-foreground">
                   {group.worktrees.length}
                 </span>
               </div>
@@ -216,7 +216,7 @@ export default function ImportedWorktreesVisibilityLine({
                       size="xs"
                       disabled={pending}
                       onClick={() => toggleGroupExpanded(group.path)}
-                      className="h-6 justify-start px-0 text-[11px] font-normal text-muted-foreground hover:text-sidebar-accent-foreground"
+                      className="h-6 justify-start px-0 text-[11px] font-normal text-muted-foreground hover:text-worktree-sidebar-accent-foreground"
                     >
                       {expandedGroupPathKeys.has(normalizeRuntimePathForComparison(group.path))
                         ? 'Show fewer'
@@ -233,7 +233,7 @@ export default function ImportedWorktreesVisibilityLine({
             </div>
           ) : null}
           <div className="grid gap-1 px-1.5 pb-1 pt-1">
-            <p className="rounded-md bg-sidebar-accent px-2 py-1 text-[10px] font-medium leading-4 text-sidebar-accent-foreground">
+            <p className="rounded-md bg-worktree-sidebar-accent px-2 py-1 text-[10px] font-medium leading-4 text-worktree-sidebar-accent-foreground">
               Change this later from the project menu.
             </p>
             <div className="flex min-w-0 items-center gap-1.5">
diff --git a/src/renderer/src/components/sidebar/SetupGuideSidebarEntry.tsx b/src/renderer/src/components/sidebar/SetupGuideSidebarEntry.tsx
index 6cdb70d43..ebc613bdd 100644
--- a/src/renderer/src/components/sidebar/SetupGuideSidebarEntry.tsx
+++ b/src/renderer/src/components/sidebar/SetupGuideSidebarEntry.tsx
@@ -77,8 +77,8 @@ export function SetupGuideSidebarEntry(): React.JSX.Element | null {
           className={cn(
             'flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight transition-colors',
             setupActive
-              ? 'bg-sidebar-accent text-sidebar-accent-foreground'
-              : 'text-sidebar-foreground/60 hover:bg-sidebar-foreground/8'
+              ? 'bg-worktree-sidebar-accent text-worktree-sidebar-accent-foreground'
+              : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8'
           )}
         >
           <img
diff --git a/src/renderer/src/components/sidebar/SetupScriptPromptCard.tsx b/src/renderer/src/components/sidebar/SetupScriptPromptCard.tsx
index 080883912..9c78969f6 100644
--- a/src/renderer/src/components/sidebar/SetupScriptPromptCard.tsx
+++ b/src/renderer/src/components/sidebar/SetupScriptPromptCard.tsx
@@ -381,7 +381,7 @@ function SetupScriptPromptCard(): React.JSX.Element | null {
 
   return (
     <div className="px-3 pb-2">
-      <div className="setup-script-prompt-card rounded-lg border border-sidebar-border p-3 text-sidebar-accent-foreground shadow-xs">
+      <div className="setup-script-prompt-card rounded-lg border border-worktree-sidebar-border p-3 text-worktree-sidebar-accent-foreground shadow-xs">
         <div className="flex items-center justify-between gap-2">
           <p className="text-sm font-semibold leading-snug">Add a setup script</p>
           <DismissButton onDismiss={handleDismiss} />
diff --git a/src/renderer/src/components/sidebar/SetupScriptPromptCardViews.tsx b/src/renderer/src/components/sidebar/SetupScriptPromptCardViews.tsx
index f093efa8f..08467d4a9 100644
--- a/src/renderer/src/components/sidebar/SetupScriptPromptCardViews.tsx
+++ b/src/renderer/src/components/sidebar/SetupScriptPromptCardViews.tsx
@@ -44,7 +44,7 @@ export function DetectedSetupPreview({
   provenance
 }: DetectedSetupPreviewProps): React.JSX.Element {
   return (
-    <div className="mt-3 border-t border-sidebar-border pt-3">
+    <div className="mt-3 border-t border-worktree-sidebar-border pt-3">
       <div className="mb-2 flex items-center gap-1.5 text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">
         <PackageCheck className="size-3.5" />
         Detected setup
@@ -55,7 +55,7 @@ export function DetectedSetupPreview({
         onChange={(event) => onSetupChange(event.target.value)}
         spellCheck={false}
         rows={Math.min(Math.max(setup.split('\n').length, 2), 6)}
-        className="setup-script-prompt-command max-h-28 w-full resize-y overflow-auto scrollbar-sleek rounded-md border border-sidebar-border px-2 py-1.5 font-mono text-[11px] leading-5 text-foreground shadow-xs outline-none focus-visible:ring-1 focus-visible:ring-ring"
+        className="setup-script-prompt-command max-h-28 w-full resize-y overflow-auto scrollbar-sleek rounded-md border border-worktree-sidebar-border px-2 py-1.5 font-mono text-[11px] leading-5 text-foreground shadow-xs outline-none focus-visible:ring-1 focus-visible:ring-ring"
       />
       {provenance ? (
         <p className="mt-1.5 text-[11px] text-muted-foreground">
diff --git a/src/renderer/src/components/sidebar/SidebarNav.tsx b/src/renderer/src/components/sidebar/SidebarNav.tsx
index 297fcc8ae..03f22f76e 100644
--- a/src/renderer/src/components/sidebar/SidebarNav.tsx
+++ b/src/renderer/src/components/sidebar/SidebarNav.tsx
@@ -226,13 +226,16 @@ const SidebarNav = React.memo(function SidebarNav() {
               className={cn(
                 'flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight transition-colors',
                 tasksActive
-                  ? 'bg-sidebar-accent text-sidebar-accent-foreground'
-                  : 'text-sidebar-foreground/60 hover:bg-sidebar-foreground/8',
+                  ? 'bg-worktree-sidebar-accent text-worktree-sidebar-accent-foreground'
+                  : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8',
                 !canBrowseTasks && 'cursor-not-allowed opacity-50 hover:bg-transparent'
               )}
             >
               <List
-                className={cn('size-4 shrink-0', !tasksActive && 'text-sidebar-foreground/30')}
+                className={cn(
+                  'size-4 shrink-0',
+                  !tasksActive && 'text-worktree-sidebar-foreground/30'
+                )}
                 strokeWidth={tasksActive ? 2.25 : 1.75}
               />
               <span className="flex-1">Tasks</span>
@@ -297,14 +300,14 @@ const SidebarNav = React.memo(function SidebarNav() {
               className={cn(
                 'flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight transition-colors',
                 automationsActive
-                  ? 'bg-sidebar-accent text-sidebar-accent-foreground'
-                  : 'text-sidebar-foreground/60 hover:bg-sidebar-foreground/8'
+                  ? 'bg-worktree-sidebar-accent text-worktree-sidebar-accent-foreground'
+                  : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8'
               )}
             >
               <CalendarClock
                 className={cn(
                   'size-4 shrink-0',
-                  !automationsActive && 'text-sidebar-foreground/30'
+                  !automationsActive && 'text-worktree-sidebar-foreground/30'
                 )}
                 strokeWidth={automationsActive ? 2.25 : 1.75}
               />
@@ -322,12 +325,15 @@ const SidebarNav = React.memo(function SidebarNav() {
           className={cn(
             'flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight transition-colors',
             activityActive
-              ? 'bg-sidebar-accent text-sidebar-accent-foreground'
-              : 'text-sidebar-foreground/60 hover:bg-sidebar-foreground/8'
+              ? 'bg-worktree-sidebar-accent text-worktree-sidebar-accent-foreground'
+              : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8'
           )}
         >
           <Bell
-            className={cn('size-4 shrink-0', !activityActive && 'text-sidebar-foreground/30')}
+            className={cn(
+              'size-4 shrink-0',
+              !activityActive && 'text-worktree-sidebar-foreground/30'
+            )}
             strokeWidth={activityActive ? 2.25 : 1.75}
           />
           <span className="flex-1">Agents</span>
@@ -351,12 +357,15 @@ const SidebarNav = React.memo(function SidebarNav() {
               className={cn(
                 'flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight transition-colors',
                 mobileActive
-                  ? 'bg-sidebar-accent text-sidebar-accent-foreground'
-                  : 'text-sidebar-foreground/60 hover:bg-sidebar-foreground/8'
+                  ? 'bg-worktree-sidebar-accent text-worktree-sidebar-accent-foreground'
+                  : 'text-worktree-sidebar-foreground/60 hover:bg-worktree-sidebar-foreground/8'
               )}
             >
               <Smartphone
-                className={cn('size-4 shrink-0', !mobileActive && 'text-sidebar-foreground/30')}
+                className={cn(
+                  'size-4 shrink-0',
+                  !mobileActive && 'text-worktree-sidebar-foreground/30'
+                )}
                 strokeWidth={mobileActive ? 2.25 : 1.75}
               />
               <span className="flex-1">Orca Mobile</span>
@@ -374,9 +383,12 @@ const SidebarNav = React.memo(function SidebarNav() {
         type="button"
         onClick={() => openModal('worktree-palette')}
         aria-label="Search worktrees and browser tabs"
-        className="group flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight text-sidebar-foreground/60 transition-colors hover:bg-sidebar-foreground/8"
+        className="group flex w-full items-center gap-2 rounded-md px-2 py-1.5 text-left text-[13px] font-medium tracking-tight text-worktree-sidebar-foreground/60 transition-colors hover:bg-worktree-sidebar-foreground/8"
       >
-        <Search className="size-4 shrink-0 text-sidebar-foreground/30" strokeWidth={1.75} />
+        <Search
+          className="size-4 shrink-0 text-worktree-sidebar-foreground/30"
+          strokeWidth={1.75}
+        />
         <span className="flex-1">Search</span>
         <kbd className="hidden rounded border border-border/60 bg-background/40 px-1.5 py-px font-mono text-[10px] font-medium text-muted-foreground group-hover:inline-flex items-center">
           {worktreePaletteShortcut}
diff --git a/src/renderer/src/components/sidebar/SidebarToolbar.tsx b/src/renderer/src/components/sidebar/SidebarToolbar.tsx
index 1535141e2..7bb7936e8 100644
--- a/src/renderer/src/components/sidebar/SidebarToolbar.tsx
+++ b/src/renderer/src/components/sidebar/SidebarToolbar.tsx
@@ -11,7 +11,7 @@ const SidebarToolbar = React.memo(function SidebarToolbar() {
 
   return (
     <div className="mt-auto shrink-0">
-      <div className="flex items-center justify-between border-t border-sidebar-border px-2 py-1.5">
+      <div className="flex items-center justify-between border-t border-worktree-sidebar-border px-2 py-1.5">
         <Tooltip>
           <TooltipTrigger asChild>
             <Button
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanAreaSelectionOverlay.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanAreaSelectionOverlay.tsx
index 950da6b9a..8debc4e02 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanAreaSelectionOverlay.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanAreaSelectionOverlay.tsx
@@ -11,7 +11,7 @@ const WorkspaceKanbanAreaSelectionOverlay = React.forwardRef<
       {...props}
       ref={ref}
       data-workspace-board-selection-rect=""
-      className="pointer-events-none absolute left-0 top-0 z-30 hidden rounded-md border border-sidebar-ring bg-sidebar-ring/15 will-change-transform"
+      className="pointer-events-none absolute left-0 top-0 z-30 hidden rounded-md border border-worktree-sidebar-ring bg-worktree-sidebar-ring/15 will-change-transform"
     />
   )
 })
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanCard.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanCard.tsx
index d8eb9cd34..c76ade5b7 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanCard.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanCard.tsx
@@ -35,7 +35,7 @@ function WorkspaceKanbanCard({
 
   return (
     <div
-      className="relative rounded-lg data-[workspace-board-card-area-selected=true]:ring-1 data-[workspace-board-card-area-selected=true]:ring-sidebar-ring/40"
+      className="relative rounded-lg data-[workspace-board-card-area-selected=true]:ring-1 data-[workspace-board-card-area-selected=true]:ring-worktree-sidebar-ring/40"
       data-workspace-board-card-id={worktree.id}
       data-workspace-board-card-mode="detailed"
       data-workspace-board-card-selected={isSelected ? 'true' : 'false'}
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanDrawer.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanDrawer.tsx
index 15920770b..629fa8371 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanDrawer.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanDrawer.tsx
@@ -477,7 +477,7 @@ export default function WorkspaceKanbanDrawer({
       <SheetContent
         side="left"
         showCloseButton={false}
-        className="workspace-kanban-sheet-content bg-sidebar p-0 sm:max-w-none"
+        className="workspace-kanban-sheet-content bg-worktree-sidebar p-0 sm:max-w-none"
         overlayStyle={{ top: 36, left: drawerLeftCss, pointerEvents: 'none' }}
         style={
           {
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanDrawerHeader.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanDrawerHeader.tsx
index f44782468..8ab709f30 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanDrawerHeader.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanDrawerHeader.tsx
@@ -33,11 +33,11 @@ export default function WorkspaceKanbanDrawerHeader({
 }: WorkspaceKanbanDrawerHeaderProps): React.JSX.Element {
   return (
     <>
-      <SheetHeader className="border-b border-sidebar-border px-4 py-3 pr-32">
+      <SheetHeader className="border-b border-worktree-sidebar-border px-4 py-3 pr-32">
         <SheetTitle className="flex items-center gap-2 text-sm">
           <span>Workspace board</span>
           {selectedCount > 1 ? (
-            <span className="rounded-full bg-sidebar-accent px-2 py-0.5 text-[10px] font-medium text-muted-foreground">
+            <span className="rounded-full bg-worktree-sidebar-accent px-2 py-0.5 text-[10px] font-medium text-muted-foreground">
               {selectedCount} selected
             </span>
           ) : null}
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanPinDropTarget.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanPinDropTarget.tsx
index 2ae609704..4595108fe 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanPinDropTarget.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanPinDropTarget.tsx
@@ -17,9 +17,9 @@ export default function WorkspaceKanbanPinDropTarget({
     <div
       data-workspace-pin-drop-target=""
       className={cn(
-        'mb-3 flex h-8 shrink-0 items-center gap-2 rounded-md border border-dashed border-sidebar-border bg-background/45 px-3 text-[12px] text-muted-foreground transition-colors',
-        isDragOver && 'border-sidebar-ring bg-sidebar-accent text-foreground',
-        'data-[workspace-board-external-drag-target=true]:border-sidebar-ring data-[workspace-board-external-drag-target=true]:bg-sidebar-accent data-[workspace-board-external-drag-target=true]:text-foreground'
+        'mb-3 flex h-8 shrink-0 items-center gap-2 rounded-md border border-dashed border-worktree-sidebar-border bg-background/45 px-3 text-[12px] text-muted-foreground transition-colors',
+        isDragOver && 'border-worktree-sidebar-ring bg-worktree-sidebar-accent text-foreground',
+        'data-[workspace-board-external-drag-target=true]:border-worktree-sidebar-ring data-[workspace-board-external-drag-target=true]:bg-worktree-sidebar-accent data-[workspace-board-external-drag-target=true]:text-foreground'
       )}
       onDragOver={onDragOver}
       onDragLeave={onDragLeave}
diff --git a/src/renderer/src/components/sidebar/WorkspaceKanbanStatusLane.tsx b/src/renderer/src/components/sidebar/WorkspaceKanbanStatusLane.tsx
index 6037766a3..f9909dfcd 100644
--- a/src/renderer/src/components/sidebar/WorkspaceKanbanStatusLane.tsx
+++ b/src/renderer/src/components/sidebar/WorkspaceKanbanStatusLane.tsx
@@ -86,11 +86,11 @@ export default function WorkspaceKanbanStatusLane({
       }
       className={cn(
         'group/lane',
-        'relative flex h-full min-h-0 min-w-0 flex-col overflow-hidden rounded-md border border-t-2 border-sidebar-border transition-colors',
+        'relative flex h-full min-h-0 min-w-0 flex-col overflow-hidden rounded-md border border-t-2 border-worktree-sidebar-border transition-colors',
         meta.border,
         meta.laneTint,
-        isDragTarget && 'border-sidebar-ring bg-sidebar-accent/70',
-        'data-[workspace-board-external-drag-target=true]:border-sidebar-ring data-[workspace-board-external-drag-target=true]:bg-sidebar-accent/70'
+        isDragTarget && 'border-worktree-sidebar-ring bg-worktree-sidebar-accent/70',
+        'data-[workspace-board-external-drag-target=true]:border-worktree-sidebar-ring data-[workspace-board-external-drag-target=true]:bg-worktree-sidebar-accent/70'
       )}
       onDragOver={(event) => onDragOver(event, status.id)}
       onDragLeave={onDragLeave}
@@ -107,7 +107,7 @@ export default function WorkspaceKanbanStatusLane({
         tabIndex={0}
         className={cn(
           'group absolute right-0 top-0 z-20 h-9 w-2 cursor-col-resize outline-none',
-          'focus-visible:ring-1 focus-visible:ring-sidebar-ring',
+          'focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring',
           isResizingColumn && 'cursor-col-resize'
         )}
         onPointerDown={onColumnResizeStart}
@@ -117,8 +117,8 @@ export default function WorkspaceKanbanStatusLane({
         <span
           className={cn(
             'absolute inset-y-2 left-1/2 w-px -translate-x-1/2 rounded-full bg-transparent transition-colors',
-            'group-hover:bg-sidebar-ring/55 group-focus-visible:bg-sidebar-ring',
-            isResizingColumn && 'bg-sidebar-ring'
+            'group-hover:bg-worktree-sidebar-ring/55 group-focus-visible:bg-worktree-sidebar-ring',
+            isResizingColumn && 'bg-worktree-sidebar-ring'
           )}
         />
       </div>
diff --git a/src/renderer/src/components/sidebar/WorktreeCard.tsx b/src/renderer/src/components/sidebar/WorktreeCard.tsx
index 5235e5a3b..9cf5663e1 100644
--- a/src/renderer/src/components/sidebar/WorktreeCard.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeCard.tsx
@@ -116,7 +116,7 @@ function RepoIdentityChip({
     <Tooltip>
       <TooltipTrigger asChild>
         <span
-          className="inline-flex size-4 shrink-0 items-center justify-center rounded-[4px] border border-sidebar-border bg-sidebar-accent/55"
+          className="inline-flex size-4 shrink-0 items-center justify-center rounded-[4px] border border-worktree-sidebar-border bg-worktree-sidebar-accent/55"
           aria-label={`Project ${repo.displayName}`}
         >
           {children}
@@ -761,9 +761,9 @@ const WorktreeCard = React.memo(function WorktreeCard({
         isActiveSurface
           ? 'bg-black/[0.08] shadow-[0_1px_2px_rgba(0,0,0,0.04)] border border-black/[0.015] dark:bg-white/[0.10] dark:border-border/40 dark:shadow-[0_1px_2px_rgba(0,0,0,0.03)]'
           : isMultiSelected
-            ? 'border border-sidebar-ring/35 bg-sidebar-accent/70 ring-1 ring-sidebar-ring/30'
+            ? 'border border-worktree-sidebar-ring/35 bg-worktree-sidebar-accent/70 ring-1 ring-worktree-sidebar-ring/30'
             : 'border border-transparent worktree-sidebar-card-hover',
-        isActiveSurface && isMultiSelected && 'ring-1 ring-sidebar-ring/35',
+        isActiveSurface && isMultiSelected && 'ring-1 ring-worktree-sidebar-ring/35',
         revealHighlight && [
           'scroll-to-current-workspace-reveal-highlight',
           revealHighlightTone === 'ai' && 'scroll-to-current-workspace-reveal-highlight--ai'
@@ -876,7 +876,7 @@ const WorktreeCard = React.memo(function WorktreeCard({
                     onPointerDown={stopQuickActionPointerPropagation}
                     onClick={handlePendingFirstAgentMessageRenameInfo}
                     onDoubleClick={handlePendingFirstAgentMessageRenameInfo}
-                    className="h-4 shrink-0 gap-0.5 rounded !px-0.5 text-[10px] font-medium leading-none text-muted-foreground border border-sidebar-border/60 bg-sidebar-accent/45 hover:bg-sidebar-accent hover:text-foreground has-[>svg]:!px-0.5"
+                    className="h-4 shrink-0 gap-0.5 rounded !px-0.5 text-[10px] font-medium leading-none text-muted-foreground border border-worktree-sidebar-border/60 bg-worktree-sidebar-accent/45 hover:bg-worktree-sidebar-accent hover:text-foreground has-[>svg]:!px-0.5"
                     aria-label="Will be renamed from first agent message"
                   >
                     <Sparkles className="size-2.5" />
@@ -1067,7 +1067,9 @@ const WorktreeCard = React.memo(function WorktreeCard({
         {showLineageChildChip && (
           <div
             className="relative mt-1 flex min-w-0 justify-start"
-            style={{ color: 'color-mix(in srgb, var(--muted-foreground) 42%, var(--sidebar))' }}
+            style={{
+              color: 'color-mix(in srgb, var(--muted-foreground) 42%, var(--worktree-sidebar))'
+            }}
           >
             <Tooltip>
               <TooltipTrigger asChild>
@@ -1075,7 +1077,7 @@ const WorktreeCard = React.memo(function WorktreeCard({
                   type="button"
                   variant="ghost"
                   size="xs"
-                  className="relative z-10 h-[18px] max-w-[8rem] gap-1 rounded-md border border-sidebar-border bg-sidebar px-1.5 text-[10px] font-medium leading-none text-muted-foreground shadow-none hover:bg-sidebar-accent hover:text-foreground focus-visible:ring-1 focus-visible:ring-sidebar-ring"
+                  className="relative z-10 h-[18px] max-w-[8rem] gap-1 rounded-md border border-worktree-sidebar-border bg-worktree-sidebar px-1.5 text-[10px] font-medium leading-none text-muted-foreground shadow-none hover:bg-worktree-sidebar-accent hover:text-foreground focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring"
                   aria-label={`${lineageCollapsed ? 'Show' : 'Hide'} ${childWorkspaceLabel}`}
                   aria-expanded={!lineageCollapsed}
                   onClick={onLineageToggle}
diff --git a/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx b/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
index b0f43c8e0..b1ea869a5 100644
--- a/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
@@ -39,7 +39,7 @@ export function WorktreeCardPortsTrigger({
   return (
     <button
       type="button"
-      className="inline-flex size-3.5 shrink-0 items-center justify-center rounded text-muted-foreground/70 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-sidebar-ring"
+      className="inline-flex size-3.5 shrink-0 items-center justify-center rounded text-muted-foreground/70 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring"
       aria-label={`${ports.length} live ${ports.length === 1 ? 'port' : 'ports'}`}
       onClick={(event) => {
         event.stopPropagation()
diff --git a/src/renderer/src/components/sidebar/WorktreeList.tsx b/src/renderer/src/components/sidebar/WorktreeList.tsx
index b8b002e6b..62624e863 100644
--- a/src/renderer/src/components/sidebar/WorktreeList.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeList.tsx
@@ -444,7 +444,7 @@ function SectionMetricsBadge({ count }: { count: number }): React.JSX.Element {
 
   return (
     <span
-      className="inline-flex h-4 shrink-0 overflow-hidden rounded-full border border-sidebar-border bg-sidebar-accent text-[9px] font-medium leading-none text-muted-foreground/90"
+      className="inline-flex h-4 shrink-0 overflow-hidden rounded-full border border-worktree-sidebar-border bg-worktree-sidebar-accent text-[9px] font-medium leading-none text-muted-foreground/90"
       aria-label={totalLabel}
     >
       <Tooltip>
@@ -2776,9 +2776,9 @@ const VirtualizedWorktreeViewport = React.memo(function VirtualizedWorktreeViewp
               className="pointer-events-none absolute left-3 right-2 z-30 flex h-3 -translate-y-1/2 items-center"
               style={{ top: `${worktreeDragState.dropIndicatorY}px` }}
             >
-              <span className="size-1.5 shrink-0 rounded-full bg-sidebar-ring shadow-[0_0_0_2px_var(--sidebar)]" />
-              <span className="h-0.5 flex-1 rounded-full bg-sidebar-ring shadow-[0_0_0_2px_var(--sidebar)]" />
-              <span className="size-1.5 shrink-0 rounded-full bg-sidebar-ring shadow-[0_0_0_2px_var(--sidebar)]" />
+              <span className="size-1.5 shrink-0 rounded-full bg-worktree-sidebar-ring shadow-[0_0_0_2px_var(--worktree-sidebar)]" />
+              <span className="h-0.5 flex-1 rounded-full bg-worktree-sidebar-ring shadow-[0_0_0_2px_var(--worktree-sidebar)]" />
+              <span className="size-1.5 shrink-0 rounded-full bg-worktree-sidebar-ring shadow-[0_0_0_2px_var(--worktree-sidebar)]" />
             </div>
           ) : null}
           {virtualItems.map((vItem) => {
@@ -2846,7 +2846,9 @@ const VirtualizedWorktreeViewport = React.memo(function VirtualizedWorktreeViewp
                     // reaches the top (see getActiveStickyHeaderIndexForScroll),
                     // so the previous repo no longer stays pinned over it.
                     hasHeaderTopSpacing && !isActiveStickyHeader && 'pt-1',
-                    isActiveStickyHeader ? 'sticky -top-px z-20 bg-sidebar' : 'absolute top-0'
+                    isActiveStickyHeader
+                      ? 'sticky -top-px z-20 bg-worktree-sidebar'
+                      : 'absolute top-0'
                   )}
                   style={
                     isActiveStickyHeader
@@ -2868,10 +2870,10 @@ const VirtualizedWorktreeViewport = React.memo(function VirtualizedWorktreeViewp
                         'bg-accent/80 ring-1 ring-ring/40 shadow-md rounded-md scale-[1.01]',
                       headerWorkspaceStatus &&
                         dragOverStatus === headerWorkspaceStatus &&
-                        'rounded-md bg-sidebar-accent ring-1 ring-sidebar-ring/40',
+                        'rounded-md bg-worktree-sidebar-accent ring-1 ring-worktree-sidebar-ring/40',
                       isPinnedHeader &&
                         pinDragOver &&
-                        'rounded-md bg-sidebar-accent ring-1 ring-sidebar-ring/40',
+                        'rounded-md bg-worktree-sidebar-accent ring-1 ring-worktree-sidebar-ring/40',
                       row.repo && 'overflow-hidden'
                     )}
                     style={{ paddingLeft: headerPaddingLeft }}
@@ -3426,7 +3428,7 @@ const VirtualizedWorktreeViewport = React.memo(function VirtualizedWorktreeViewp
                                     type="button"
                                     variant="ghost"
                                     size="xs"
-                                    className="h-[18px] max-w-[8rem] gap-1 rounded-md border border-sidebar-border bg-sidebar px-1.5 text-[10px] font-medium leading-none text-muted-foreground shadow-none hover:bg-sidebar-accent hover:text-foreground focus-visible:ring-1 focus-visible:ring-sidebar-ring"
+                                    className="h-[18px] max-w-[8rem] gap-1 rounded-md border border-worktree-sidebar-border bg-worktree-sidebar px-1.5 text-[10px] font-medium leading-none text-muted-foreground shadow-none hover:bg-worktree-sidebar-accent hover:text-foreground focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring"
                                     aria-label={`${child.lineageCollapsed ? 'Show' : 'Hide'} ${
                                       child.lineageChildCount
                                     } child ${
diff --git a/src/renderer/src/components/sidebar/WorktreeTitleInlineRename.tsx b/src/renderer/src/components/sidebar/WorktreeTitleInlineRename.tsx
index 2f3cbcad6..d0c1dffcc 100644
--- a/src/renderer/src/components/sidebar/WorktreeTitleInlineRename.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeTitleInlineRename.tsx
@@ -263,7 +263,7 @@ export function WorktreeTitleInlineRename({
       key={`title:${titleElementKey}`}
       ref={handleRootRef}
       className={cn(
-        'block min-w-0 truncate leading-tight text-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-sidebar-ring',
+        'block min-w-0 truncate leading-tight text-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring',
         showUnreadEmphasis ? 'font-semibold' : 'font-normal',
         className
       )}
diff --git a/src/renderer/src/components/sidebar/index.tsx b/src/renderer/src/components/sidebar/index.tsx
index d42737a0f..d4804f04d 100644
--- a/src/renderer/src/components/sidebar/index.tsx
+++ b/src/renderer/src/components/sidebar/index.tsx
@@ -69,7 +69,7 @@ function Sidebar({
       <div
         ref={containerRef}
         data-native-file-drop-target={sidebarOpen ? nativeDropTarget : undefined}
-        className="relative min-h-0 flex-shrink-0 bg-sidebar flex flex-col overflow-hidden scrollbar-sleek-parent"
+        className="relative min-h-0 flex-shrink-0 bg-worktree-sidebar flex flex-col overflow-hidden scrollbar-sleek-parent"
         {...dropHandlers}
       >
         {sidebarOpen && (
@@ -93,8 +93,10 @@ function Sidebar({
         {sidebarOpen && affordance.visible ? (
           <div
             className={cn(
-              'pointer-events-none absolute inset-2 z-20 flex flex-col items-center justify-center gap-1.5 rounded-md border bg-sidebar-accent/95 px-4 text-center text-sidebar-accent-foreground shadow-xs',
-              affordance.tone === 'blocked' ? 'border-destructive/70' : 'border-sidebar-ring/70'
+              'pointer-events-none absolute inset-2 z-20 flex flex-col items-center justify-center gap-1.5 rounded-md border bg-worktree-sidebar-accent/95 px-4 text-center text-worktree-sidebar-accent-foreground shadow-xs',
+              affordance.tone === 'blocked'
+                ? 'border-destructive/70'
+                : 'border-worktree-sidebar-ring/70'
             )}
           >
             {affordance.tone === 'busy' ? (
diff --git a/src/renderer/src/components/sidebar/worktree-card-compact-agents.tsx b/src/renderer/src/components/sidebar/worktree-card-compact-agents.tsx
index f16909277..4533fee83 100644
--- a/src/renderer/src/components/sidebar/worktree-card-compact-agents.tsx
+++ b/src/renderer/src/components/sidebar/worktree-card-compact-agents.tsx
@@ -166,15 +166,15 @@ export function CompactAgentSummaryButton({
       className={cn(
         'compact-agent-summary-button group/agent-summary flex h-6 w-full min-w-0 items-center gap-1 rounded-sm',
         'px-1 text-left text-[11px] leading-none text-muted-foreground',
-        'focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-sidebar-ring',
-        // Why: sidebar-accent is near-white in light mode and dark in dark
+        'focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring',
+        // Why: worktree-sidebar-accent is near-white in light mode and dark in dark
         // mode, so hover lightening needs a theme-specific token mix.
-        'hover:bg-sidebar-accent/55 dark:hover:bg-sidebar-foreground/[0.035]',
+        'hover:bg-worktree-sidebar-accent/55 dark:hover:bg-worktree-sidebar-foreground/[0.035]',
         // Why: expanded is a tree header inside the card, so only the
         // standalone collapsed pill gets a resting surface and border.
         expanded
           ? 'compact-agent-summary-button-expanded'
-          : 'border border-sidebar-border/70 bg-sidebar-accent/35'
+          : 'border border-worktree-sidebar-border/70 bg-worktree-sidebar-accent/35'
       )}
       aria-label={
         expanded ? `Collapse ${subjectLabel}` : `Expand ${summary}. ${agentIdentitySummary}`
@@ -199,7 +199,7 @@ export function CompactAgentSummaryButton({
               return (
                 <span
                   key={group.state}
-                  className="inline-flex min-w-0 shrink-0 items-center gap-0.5 rounded-sm bg-sidebar/70 px-1 py-0.5"
+                  className="inline-flex min-w-0 shrink-0 items-center gap-0.5 rounded-sm bg-worktree-sidebar/70 px-1 py-0.5"
                 >
                   <AgentStateDot state={group.state} size="sm" />
                   {/* Why: same-state agent identities read as one status cluster;
@@ -208,7 +208,7 @@ export function CompactAgentSummaryButton({
                     {iconAgents.map((agent) => (
                       <span
                         key={agent.paneKey}
-                        className="inline-flex size-4 items-center justify-center rounded-full border border-sidebar-border/70 bg-sidebar"
+                        className="inline-flex size-4 items-center justify-center rounded-full border border-worktree-sidebar-border/70 bg-worktree-sidebar"
                       >
                         <AgentIcon agent={agentTypeToIconAgent(agent.agentType)} size={13} />
                       </span>
@@ -296,7 +296,7 @@ export const CompactAgentRow = React.memo(function CompactAgentRow({
       {hasChildDisclosure ? (
         <button
           type="button"
-          className="compact-agent-child-disclosure-button flex size-4 shrink-0 items-center justify-center rounded-sm text-muted-foreground hover:bg-sidebar-accent hover:text-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-sidebar-ring"
+          className="compact-agent-child-disclosure-button flex size-4 shrink-0 items-center justify-center rounded-sm text-muted-foreground hover:bg-worktree-sidebar-accent hover:text-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-worktree-sidebar-ring"
           aria-label={`${childAgentsExpanded ? 'Hide' : 'Show'} ${childAgentCount} child ${
             childAgentCount === 1 ? 'agent' : 'agents'
           }`}
@@ -365,7 +365,7 @@ export const CompactAgentRow = React.memo(function CompactAgentRow({
         hasChildDisclosure && 'worktree-agent-lineage-parent-row',
         isLineageChild && 'worktree-agent-lineage-child-row',
         hasAssistantImage ? 'flex flex-col py-0.5' : 'flex h-6 items-center gap-1',
-        isFocusedPane && 'bg-sidebar-accent'
+        isFocusedPane && 'bg-worktree-sidebar-accent'
       )}
       onClick={handleActivate}
       onMouseDown={(e) => e.stopPropagation()}