feat: [공통] UI 컴포넌트 개선 (TabChip, FormField, Select 등)

- TabChip, FormField, MobileCard, Select 컴포넌트 개선
- IntegratedListTemplateV2, UniversalListPage 타입 보강
- LoginPage UI 개선

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/atoms/TabChip.tsx

@@ -42,25 +42,19 @@ export function TabChip({
     <button
       onClick={onClick}
       className={`
-        flex items-center gap-2 px-4 py-2.5 rounded-full border transition-all
+        inline-flex items-center gap-1.5 px-3.5 py-2 rounded-lg border text-sm whitespace-nowrap transition-all
         ${
           isActiveState
-            ? "border-primary bg-primary text-white shadow-sm"
-            : "border-gray-200 bg-white hover:border-gray-300 hover:bg-gray-50"
+            ? "border-primary bg-primary text-white shadow-sm font-medium"
+            : "border-gray-200 bg-white hover:border-gray-300 hover:bg-gray-50 text-gray-600"
         }
         ${className}
       `}
     >
-      <span
-        className={`text-sm ${
-          isActiveState ? "text-white font-medium" : "text-gray-600 font-normal"
-        }`}
-      >
-        {label}
-      </span>
+      {label}
       {count !== undefined && (
         <span
-          className={`text-sm font-semibold ${
+          className={`font-semibold ${
             isActiveState ? "text-white" : "text-gray-900"
           }`}
         >