diff --git a/frontend/components/layout/TabBar.tsx b/frontend/components/layout/TabBar.tsx
index e83e9b10..f2616173 100644
--- a/frontend/components/layout/TabBar.tsx
+++ b/frontend/components/layout/TabBar.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import React, { useRef, useState, useEffect, useCallback } from "react";
-import { X, RefreshCw, ChevronDown } from "lucide-react";
+import { X, RotateCw, ChevronDown } from "lucide-react";
 import { useTabStore, selectTabs, selectActiveTabId, Tab } from "@/stores/tabStore";
 import { menuScreenApi } from "@/lib/api/screen";
 import {
@@ -350,33 +350,33 @@ export function TabBar() {
         onPointerUp={handlePointerUp}
         onContextMenu={(e) => handleContextMenu(e, tab.id)}
         className={cn(
-          "group relative flex h-9 shrink-0 cursor-pointer items-center gap-1 rounded-t-lg border border-b-0 px-3 text-sm select-none",
+          "group relative flex h-7 shrink-0 cursor-pointer items-center gap-0.5 rounded-t-md border border-b-0 px-3 select-none",
           isActive
-            ? "border-border bg-white text-foreground z-10"
+            ? "border-border bg-white text-foreground z-10 mb-[-1px] h-[30px]"
             : "border-transparent bg-muted/50 text-muted-foreground hover:bg-muted hover:text-foreground",
         )}
         style={{ width: TAB_WIDTH, touchAction: "none", ...animStyle }}
         title={tab.title}
       >
-        <span className="min-w-0 flex-1 truncate text-xs font-medium">{tab.title}</span>
+        <span className="min-w-0 flex-1 truncate text-[11px] font-medium">{tab.title}</span>
 
-        <div className="flex shrink-0 items-center gap-0.5">
+        <div className="flex shrink-0 items-center">
           {isActive && (
             <button
               onClick={(e) => { e.stopPropagation(); refreshTab(tab.id); }}
-              className="text-muted-foreground hover:bg-accent hover:text-foreground flex h-5 w-5 items-center justify-center rounded-sm transition-colors"
+              className="text-muted-foreground hover:bg-accent hover:text-foreground flex h-4 w-4 items-center justify-center rounded-sm transition-colors"
             >
-              <RefreshCw className="h-3 w-3" />
+              <RotateCw className="h-2.5 w-2.5" />
             </button>
           )}
           <button
             onClick={(e) => { e.stopPropagation(); closeTab(tab.id); }}
             className={cn(
-              "text-muted-foreground hover:bg-destructive/10 hover:text-destructive flex h-5 w-5 items-center justify-center rounded-sm transition-colors",
+              "text-muted-foreground hover:bg-destructive/10 hover:text-destructive flex h-4 w-4 items-center justify-center rounded-sm transition-colors",
               !isActive && "opacity-0 group-hover:opacity-100",
             )}
           >
-            <X className="h-3 w-3" />
+            <X className="h-2.5 w-2.5" />
           </button>
         </div>
       </div>
@@ -389,19 +389,20 @@ export function TabBar() {
     <>
       <div
         ref={containerRef}
-        className="border-border bg-muted/30 flex h-[37px] shrink-0 items-end gap-[2px] overflow-hidden border-b px-2 pt-1"
+        className="border-border bg-muted/30 relative flex h-[33px] shrink-0 items-end gap-[2px] overflow-hidden px-1.5"
         onDragOver={handleBarDragOver}
         onDragLeave={handleBarDragLeave}
         onDrop={handleBarDrop}
       >
+        <div className="border-border pointer-events-none absolute inset-x-0 bottom-0 z-0 border-b" />
         {displayVisible.map((tab, i) => renderTab(tab, i))}
 
         {hasOverflow && (
           <DropdownMenu>
             <DropdownMenuTrigger asChild>
-              <button className="bg-muted/50 text-muted-foreground hover:bg-muted hover:text-foreground flex h-9 shrink-0 items-center gap-1 rounded-t-lg border border-b-0 border-transparent px-3 text-xs font-medium transition-colors">
+              <button className="bg-muted/50 text-muted-foreground hover:bg-muted hover:text-foreground flex h-7 shrink-0 items-center gap-0.5 rounded-t-md border border-b-0 border-transparent px-2 text-[11px] font-medium transition-colors">
                 +{displayOverflow.length}
-                <ChevronDown className="h-3 w-3" />
+                <ChevronDown className="h-2.5 w-2.5" />
               </button>
             </DropdownMenuTrigger>
             <DropdownMenuContent align="end" className="max-h-[300px] overflow-y-auto">
@@ -425,10 +426,10 @@ export function TabBar() {
       {ghostStyle && draggedTab && (
         <div
           style={ghostStyle}
-          className="border-primary/50 bg-background rounded-t-lg border border-b-0 px-3 shadow-lg"
+          className="border-primary/50 bg-background rounded-t-md border border-b-0 px-3 shadow-lg"
         >
           <div className="flex h-full items-center">
-            <span className="truncate text-xs font-medium">{draggedTab.title}</span>
+            <span className="truncate text-[11px] font-medium">{draggedTab.title}</span>
           </div>
         </div>
       )}