style(테이블타입): 탭 스타일 Google 식 underline (#27)

johngreen → main: 탭 스타일 Google 식 underline 으로 변경

frontend/app/(main)/admin/systemMng/tableMngList/page.tsx

@@ -1695,20 +1695,34 @@ export default function TableManagementPage() {
                 </div>
               ) : (
                 <Tabs defaultValue="columns" className="flex min-h-0 flex-1 flex-col">
-                  <TabsList className="h-8 w-fit shrink-0 self-start mx-4 mt-1">
+                  <TabsList className="h-auto w-full shrink-0 justify-start gap-1 rounded-none border-b bg-transparent p-0">
-                    <TabsTrigger value="columns" className="flex items-center gap-1.5 text-xs">
+                    <TabsTrigger
-                      <Columns3 className="h-3.5 w-3.5" />
+                      value="columns"
+                      className={cn(
+                        "flex items-center gap-2 rounded-none border-b-2 border-transparent bg-transparent px-4 py-2.5 text-sm font-medium text-muted-foreground transition-colors",
+                        "hover:text-foreground",
+                        "data-[state=active]:border-primary data-[state=active]:bg-transparent data-[state=active]:text-primary data-[state=active]:shadow-none",
+                      )}
+                    >
+                      <Columns3 className="h-4 w-4" />
                       컬럼
                     </TabsTrigger>
-                    <TabsTrigger value="references" className="flex items-center gap-1.5 text-xs">
+                    <TabsTrigger
-                      <Link2 className="h-3.5 w-3.5" />
+                      value="references"
+                      className={cn(
+                        "flex items-center gap-2 rounded-none border-b-2 border-transparent bg-transparent px-4 py-2.5 text-sm font-medium text-muted-foreground transition-colors",
+                        "hover:text-foreground",
+                        "data-[state=active]:border-primary data-[state=active]:bg-transparent data-[state=active]:text-primary data-[state=active]:shadow-none",
+                      )}
+                    >
+                      <Link2 className="h-4 w-4" />
                       참조
                       {(() => {
                         const refCount = columns.filter((c) =>
                           ["entity", "code", "category", "numbering"].includes(c.input_type),
                         ).length;
                         return refCount > 0 ? (
-                          <Badge variant="secondary" className="ml-1 h-4 px-1.5 text-[10px]">
+                          <Badge variant="secondary" className="ml-1.5 h-5 px-1.5 text-[11px]">
                             {refCount}
                           </Badge>
                         ) : null;