diff --git a/frontend/components/layout/TabBar.tsx b/frontend/components/layout/TabBar.tsx
index 8a850d20..e86ada2e 100644
--- a/frontend/components/layout/TabBar.tsx
+++ b/frontend/components/layout/TabBar.tsx
@@ -501,7 +501,7 @@ export function TabBar() {
           touchAction: "none",
           ...animStyle,
           ...(hiddenByGhost ? { opacity: 0 } : {}),
-          ...(isActive ? { boxShadow: "0 -1px 28px rgba(0,0,0,0.9)" } : {}),
+          ...(isActive ? {} : {}),
         }}
         title={tab.title}
       >
@@ -542,13 +542,13 @@ export function TabBar() {
     <>
       <div
         ref={containerRef}
-        className="border-border bg-muted/30 relative flex h-[33px] shrink-0 items-end gap-[2px] overflow-hidden px-1.5"
+        className="border-border bg-background 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" />
-        <div className="pointer-events-none absolute inset-0 z-5 bg-black/15" />
+        <div className="pointer-events-none absolute inset-0 z-5" />
         {displayVisible.map((tab, i) => renderTab(tab, i))}
 
         {hasOverflow && (
@@ -587,7 +587,7 @@ export function TabBar() {
       {ghostStyle && draggedTab && (
         <div
           style={ghostStyle}
-          className="border-primary/50 bg-background rounded-t-md border border-b-0 px-3 shadow-lg"
+          className="border-primary/50 bg-background rounded-t-md border border-b-0 px-3"
         >
           <div className="flex h-full items-center">
             <span className="truncate text-[11px] font-medium">{draggedTab.title}</span>
diff --git a/frontend/components/screen/EditModal.tsx b/frontend/components/screen/EditModal.tsx
index 1300886b..372132d4 100644
--- a/frontend/components/screen/EditModal.tsx
+++ b/frontend/components/screen/EditModal.tsx
@@ -335,92 +335,6 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
     }
   };
 
-  /**
-   * 디테일 행의 FK를 통해 마스터 테이블 데이터를 자동 조회
-   * - entity join 설정에서 FK 관계 탐지
-   * - FK 값으로 마스터 테이블 전체 row 조회
-   * - editData에 없는 필드만 병합 (디테일 데이터를 덮어쓰지 않음)
-   */
-  const loadMasterDataForDetailRow = async (
-    editData: Record<string, any>,
-    targetScreenId: number,
-    eventTableName?: string,
-  ): Promise<Record<string, any>> => {
-    try {
-      let detailTableName = eventTableName;
-      if (!detailTableName) {
-        const screenInfo = await screenApi.getScreen(targetScreenId);
-        detailTableName = screenInfo?.tableName;
-      }
-
-      if (!detailTableName) {
-        console.log("[EditModal:MasterLoad] 테이블명을 알 수 없음 - 스킵");
-        return {};
-      }
-
-      console.log("[EditModal:MasterLoad] 시작:", { detailTableName, editDataKeys: Object.keys(editData) });
-
-      const entityJoinRes = await entityJoinApi.getEntityJoinConfigs(detailTableName);
-      const joinConfigs = entityJoinRes?.joinConfigs || [];
-
-      if (joinConfigs.length === 0) {
-        console.log("[EditModal:MasterLoad] entity join 없음 - 스킵");
-        return {};
-      }
-
-      console.log(
-        "[EditModal:MasterLoad] entity join:",
-        joinConfigs.map((c) => `${c.sourceColumn} → ${c.referenceTable}`),
-      );
-
-      const masterDataResult: Record<string, any> = {};
-      const processedTables = new Set<string>();
-      const { apiClient } = await import("@/lib/api/client");
-
-      for (const joinConfig of joinConfigs) {
-        const { sourceColumn, referenceTable, referenceColumn } = joinConfig;
-        if (processedTables.has(referenceTable)) continue;
-
-        const fkValue = editData[sourceColumn];
-        if (!fkValue) continue;
-
-        try {
-          const response = await apiClient.post(`/table-management/tables/${referenceTable}/data`, {
-            search: { [referenceColumn || "id"]: fkValue },
-            size: 1,
-            page: 1,
-            autoFilter: true,
-          });
-
-          const rows = response.data?.data?.data || response.data?.data?.rows || [];
-          if (rows.length > 0) {
-            const masterRow = rows[0];
-            for (const [col, val] of Object.entries(masterRow)) {
-              if (val !== undefined && val !== null && editData[col] === undefined) {
-                masterDataResult[col] = val;
-              }
-            }
-            console.log("[EditModal:MasterLoad] 조회 성공:", {
-              table: referenceTable,
-              fk: `${sourceColumn}=${fkValue}`,
-              loadedFields: Object.keys(masterDataResult),
-            });
-          }
-        } catch (queryError) {
-          console.warn("[EditModal:MasterLoad] 조회 실패:", referenceTable, queryError);
-        }
-
-        processedTables.add(referenceTable);
-      }
-
-      console.log("[EditModal:MasterLoad] 최종 결과:", Object.keys(masterDataResult));
-      return masterDataResult;
-    } catch (error) {
-      console.warn("[EditModal:MasterLoad] 전체 오류:", error);
-      return {};
-    }
-  };
-
   // 전역 모달 이벤트 리스너 (활성 탭에서만 처리)
   useEffect(() => {
     const handleOpenEditModal = async (event: CustomEvent) => {
diff --git a/frontend/components/screen/SaveModal.tsx b/frontend/components/screen/SaveModal.tsx
index 2b6a9c78..e8868cfb 100644
--- a/frontend/components/screen/SaveModal.tsx
+++ b/frontend/components/screen/SaveModal.tsx
@@ -173,6 +173,13 @@ export const SaveModal: React.FC<SaveModalProps> = ({
       return;
     }
 
+    // ✅ 필수 항목 검증
+    const validation = validateRequiredFields();
+    if (!validation.isValid) {
+      toast.error(`필수 항목을 입력해주세요: ${validation.missingFields.join(", ")}`);
+      return;
+    }
+
     try {
       setIsSaving(true);