diff --git a/backend-node/src/controllers/screenGroupController.ts b/backend-node/src/controllers/screenGroupController.ts
index b53454b9..0e97e2e2 100644
--- a/backend-node/src/controllers/screenGroupController.ts
+++ b/backend-node/src/controllers/screenGroupController.ts
@@ -1488,13 +1488,13 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
-          jsonb_array_elements_text(
+          sd.table_name::text as main_table,
+          jsonb_array_elements(
             COALESCE(
               sl.properties->'componentConfig'->'columns',
               '[]'::jsonb
             )
-          )::jsonb->>'columnName' as column_name
+          )->>'columnName' as column_name
         FROM screen_definitions sd
         JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
         WHERE sd.screen_id = ANY($1)
@@ -1507,7 +1507,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
+          sd.table_name::text as main_table,
           COALESCE(
             sl.properties->'componentConfig'->>'bindField',
             sl.properties->>'bindField',
@@ -1530,7 +1530,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
+          sd.table_name::text as main_table,
           sl.properties->'componentConfig'->>'valueField' as column_name
         FROM screen_definitions sd
         JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
@@ -1543,7 +1543,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
+          sd.table_name::text as main_table,
           sl.properties->'componentConfig'->>'parentFieldId' as column_name
         FROM screen_definitions sd
         JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
@@ -1556,7 +1556,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
+          sd.table_name::text as main_table,
           sl.properties->'componentConfig'->>'cascadingParentField' as column_name
         FROM screen_definitions sd
         JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
@@ -1569,7 +1569,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         SELECT 
           sd.screen_id,
           sd.screen_name,
-          sd.table_name as main_table,
+          sd.table_name::text as main_table,
           sl.properties->'componentConfig'->>'controlField' as column_name
         FROM screen_definitions sd
         JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
@@ -1750,7 +1750,7 @@ export const getScreenSubTables = async (req: AuthenticatedRequest, res: Respons
         sd.table_name as main_table,
         sl.properties->>'componentType' as component_type,
         sl.properties->'componentConfig'->'rightPanel'->'relation' as right_panel_relation,
-        sl.properties->'componentConfig'->'rightPanel'->'tableName' as right_panel_table,
+        sl.properties->'componentConfig'->'rightPanel'->>'tableName' as right_panel_table,
         sl.properties->'componentConfig'->'rightPanel'->'columns' as right_panel_columns
       FROM screen_definitions sd
       JOIN screen_layouts sl ON sd.screen_id = sl.screen_id
diff --git a/backend-node/src/services/dataService.ts b/backend-node/src/services/dataService.ts
index 2150a4af..241bc9e3 100644
--- a/backend-node/src/services/dataService.ts
+++ b/backend-node/src/services/dataService.ts
@@ -18,6 +18,45 @@ import { pool } from "../database/db"; // 🆕 Entity 조인을 위한 pool impo
 import { buildDataFilterWhereClause } from "../utils/dataFilterUtil"; // 🆕 데이터 필터 유틸
 import { v4 as uuidv4 } from "uuid"; // 🆕 UUID 생성
 
+/**
+ * 비밀번호(password) 타입 컬럼의 값을 빈 문자열로 마스킹
+ * - table_type_columns에서 input_type = 'password'인 컬럼을 조회
+ * - 데이터 응답에서 해당 컬럼 값을 비워서 해시값 노출 방지
+ */
+async function maskPasswordColumns(tableName: string, data: any): Promise<any> {
+  try {
+    const passwordCols = await query<{ column_name: string }>(
+      `SELECT DISTINCT column_name FROM table_type_columns 
+       WHERE table_name = $1 AND input_type = 'password'`,
+      [tableName]
+    );
+    if (passwordCols.length === 0) return data;
+
+    const passwordColumnNames = new Set(passwordCols.map(c => c.column_name));
+
+    // 단일 객체 처리
+    const maskRow = (row: any) => {
+      if (!row || typeof row !== "object") return row;
+      const masked = { ...row };
+      for (const col of passwordColumnNames) {
+        if (col in masked) {
+          masked[col] = ""; // 해시값 대신 빈 문자열
+        }
+      }
+      return masked;
+    };
+
+    if (Array.isArray(data)) {
+      return data.map(maskRow);
+    }
+    return maskRow(data);
+  } catch (error) {
+    // 마스킹 실패해도 원본 데이터 반환 (서비스 중단 방지)
+    console.warn("⚠️ password 컬럼 마스킹 실패:", error);
+    return data;
+  }
+}
+
 interface GetTableDataParams {
   tableName: string;
   limit?: number;
@@ -622,14 +661,14 @@ class DataService {
 
               return {
                 success: true,
-                data: normalizedGroupRows, // 🔧 배열로 반환!
+                data: await maskPasswordColumns(tableName, normalizedGroupRows), // 🔧 배열로 반환! + password 마스킹
               };
             }
           }
 
           return {
             success: true,
-            data: normalizedRows[0], // 그룹핑 없으면 단일 레코드
+            data: await maskPasswordColumns(tableName, normalizedRows[0]), // 그룹핑 없으면 단일 레코드 + password 마스킹
           };
         }
       }
@@ -648,7 +687,7 @@ class DataService {
 
       return {
         success: true,
-        data: result[0],
+        data: await maskPasswordColumns(tableName, result[0]), // password 마스킹
       };
     } catch (error) {
       console.error(`레코드 상세 조회 오류 (${tableName}/${id}):`, error);
diff --git a/backend-node/src/services/dynamicFormService.ts b/backend-node/src/services/dynamicFormService.ts
index e1242afd..ac2377fe 100644
--- a/backend-node/src/services/dynamicFormService.ts
+++ b/backend-node/src/services/dynamicFormService.ts
@@ -2,6 +2,7 @@ import { query, queryOne, transaction, getPool } from "../database/db";
 import { EventTriggerService } from "./eventTriggerService";
 import { DataflowControlService } from "./dataflowControlService";
 import tableCategoryValueService from "./tableCategoryValueService";
+import { PasswordUtils } from "../utils/passwordUtils";
 
 export interface FormDataResult {
   id: number;
@@ -859,6 +860,33 @@ export class DynamicFormService {
         }
       }
 
+      // 비밀번호(password) 타입 컬럼 처리
+      // - 빈 값이면 변경 목록에서 제거 (기존 비밀번호 유지)
+      // - 값이 있으면 암호화 후 저장
+      try {
+        const passwordCols = await query<{ column_name: string }>(
+          `SELECT DISTINCT column_name FROM table_type_columns 
+           WHERE table_name = $1 AND input_type = 'password'`,
+          [tableName]
+        );
+        for (const { column_name } of passwordCols) {
+          if (column_name in changedFields) {
+            const pwValue = changedFields[column_name];
+            if (!pwValue || pwValue === "") {
+              // 빈 값 → 기존 비밀번호 유지 (변경 목록에서 제거)
+              delete changedFields[column_name];
+              console.log(`🔐 비밀번호 필드 ${column_name}: 빈 값이므로 업데이트 스킵 (기존 유지)`);
+            } else {
+              // 값 있음 → 암호화하여 저장
+              changedFields[column_name] = PasswordUtils.encrypt(pwValue);
+              console.log(`🔐 비밀번호 필드 ${column_name}: 새 비밀번호 암호화 완료`);
+            }
+          }
+        }
+      } catch (pwError) {
+        console.warn("⚠️ 비밀번호 컬럼 처리 중 오류:", pwError);
+      }
+
       // 변경된 필드가 없으면 업데이트 건너뛰기
       if (Object.keys(changedFields).length === 0) {
         console.log("📋 변경된 필드가 없습니다. 업데이트를 건너뜁니다.");
diff --git a/frontend/components/screen/EditModal.tsx b/frontend/components/screen/EditModal.tsx
index 38b6da5a..d8ce8e7a 100644
--- a/frontend/components/screen/EditModal.tsx
+++ b/frontend/components/screen/EditModal.tsx
@@ -113,6 +113,10 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
   // 폼 데이터 상태 (편집 데이터로 초기화됨)
   const [formData, setFormData] = useState<Record<string, any>>({});
   const [originalData, setOriginalData] = useState<Record<string, any>>({});
+  // INSERT/UPDATE 판단용 플래그 (이벤트에서 명시적으로 전달받음)
+  // true = INSERT (등록/복사), false = UPDATE (수정)
+  // originalData 상태에 의존하지 않고 이벤트의 isCreateMode 값을 직접 사용
+  const [isCreateModeFlag, setIsCreateModeFlag] = useState<boolean>(true);
 
   // 🆕 그룹 데이터 상태 (같은 order_no의 모든 품목)
   const [groupData, setGroupData] = useState<Record<string, any>[]>([]);
@@ -271,13 +275,19 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
 
       // 편집 데이터로 폼 데이터 초기화
       setFormData(editData || {});
-      // 🆕 isCreateMode가 true이면 originalData를 빈 객체로 설정 (INSERT 모드)
-      // originalData가 비어있으면 INSERT, 있으면 UPDATE로 처리됨
+      // originalData: changedData 계산(PATCH)에만 사용
+      // INSERT/UPDATE 판단에는 사용하지 않음
       setOriginalData(isCreateMode ? {} : editData || {});
+      // INSERT/UPDATE 판단: 이벤트의 isCreateMode 플래그를 직접 저장
+      // isCreateMode=true(복사/등록) → INSERT, false/undefined(수정) → UPDATE
+      setIsCreateModeFlag(!!isCreateMode);
 
-      if (isCreateMode) {
-        console.log("[EditModal] 생성 모드로 열림, 초기값:", editData);
-      }
+      console.log("[EditModal] 모달 열림:", {
+        mode: isCreateMode ? "INSERT (생성/복사)" : "UPDATE (수정)",
+        hasEditData: !!editData,
+        editDataId: editData?.id,
+        isCreateMode,
+      });
     };
 
     const handleCloseEditModal = () => {
@@ -579,6 +589,7 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
     setZones([]);
     setConditionalLayers([]);
     setOriginalData({});
+    setIsCreateModeFlag(true); // 기본값은 INSERT (안전 방향)
     setGroupData([]); // 🆕
     setOriginalGroupData([]); // 🆕
   };
@@ -942,8 +953,31 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
         return;
       }
 
-      // originalData가 비어있으면 INSERT, 있으면 UPDATE
-      const isCreateMode = Object.keys(originalData).length === 0;
+      // ========================================
+      // INSERT/UPDATE 판단 (재설계)
+      // ========================================
+      // 판단 기준:
+      //   1. isCreateModeFlag === true → 무조건 INSERT (복사/등록 모드 보호)
+      //   2. isCreateModeFlag === false → formData.id 있으면 UPDATE, 없으면 INSERT
+      // originalData는 INSERT/UPDATE 판단에 사용하지 않음 (changedData 계산에만 사용)
+      // ========================================
+      let isCreateMode: boolean;
+
+      if (isCreateModeFlag) {
+        // 이벤트에서 명시적으로 INSERT 모드로 지정됨 (등록/복사)
+        isCreateMode = true;
+      } else {
+        // 수정 모드: formData에 id가 있으면 UPDATE, 없으면 INSERT
+        isCreateMode = !formData.id;
+      }
+
+      console.log("[EditModal] 저장 모드 판단:", {
+        isCreateMode,
+        isCreateModeFlag,
+        formDataId: formData.id,
+        originalDataLength: Object.keys(originalData).length,
+        tableName: screenData.screenInfo.tableName,
+      });
 
       if (isCreateMode) {
         // INSERT 모드
@@ -1134,70 +1168,57 @@ export const EditModal: React.FC<EditModalProps> = ({ className }) => {
           throw new Error(response.message || "생성에 실패했습니다.");
         }
       } else {
-        // UPDATE 모드 - 기존 로직
-        const changedData: Record<string, any> = {};
-        Object.keys(formData).forEach((key) => {
-          if (formData[key] !== originalData[key]) {
-            let value = formData[key];
-            
-            // 🔧 배열이면 쉼표 구분 문자열로 변환 (리피터 데이터 제외)
-            if (Array.isArray(value)) {
-              // 리피터 데이터인지 확인 (객체 배열이고 _targetTable 또는 _isNewItem이 있으면 리피터)
-              const isRepeaterData = value.length > 0 && 
-                typeof value[0] === "object" && 
-                value[0] !== null &&
-                ("_targetTable" in value[0] || "_isNewItem" in value[0] || "_existingRecord" in value[0]);
-              
-              if (!isRepeaterData) {
-                // 🔧 손상된 값 필터링 헬퍼 (중괄호, 따옴표, 백슬래시 포함 시 무효)
-                const isValidValue = (v: any): boolean => {
-                  if (typeof v === "number" && !isNaN(v)) return true;
-                  if (typeof v !== "string") return false;
-                  if (!v || v.trim() === "") return false;
-                  // 손상된 PostgreSQL 배열 형식 감지
-                  if (v.includes("{") || v.includes("}") || v.includes('"') || v.includes("\\")) return false;
-                  return true;
-                };
-                
-                // 🔧 다중 선택 배열 → 쉼표 구분 문자열로 변환 (손상된 값 필터링)
-                const validValues = value
-                  .map((v: any) => typeof v === "number" ? String(v) : v)
-                  .filter(isValidValue);
-                
-                if (validValues.length !== value.length) {
-                  console.warn(`⚠️ [EditModal UPDATE] 손상된 값 필터링: ${key}`, { 
-                    before: value.length, 
-                    after: validValues.length,
-                    removed: value.filter((v: any) => !isValidValue(v))
-                  });
-                }
-                
-                const stringValue = validValues.join(",");
-                console.log(`🔧 [EditModal UPDATE] 배열→문자열 변환: ${key}`, { original: value.length, valid: validValues.length, converted: stringValue });
-                value = stringValue;
-              }
-            }
-            
-            changedData[key] = value;
-          }
-        });
+        // UPDATE 모드 - PUT (전체 업데이트)
+        // originalData 비교 없이 formData 전체를 보냄
+        const recordId = formData.id;
 
-        if (Object.keys(changedData).length === 0) {
-          toast.info("변경된 내용이 없습니다.");
-          handleClose();
+        if (!recordId) {
+          console.error("[EditModal] UPDATE 실패: formData에 id가 없습니다.", {
+            formDataKeys: Object.keys(formData),
+          });
+          toast.error("수정할 레코드의 ID를 찾을 수 없습니다.");
           return;
         }
 
-        // 기본키 확인 (id 또는 첫 번째 키)
-        const recordId = originalData.id || Object.values(originalData)[0];
+        // 배열 값 → 쉼표 구분 문자열 변환 (리피터 데이터 제외)
+        const dataToSave: Record<string, any> = {};
+        Object.entries(formData).forEach(([key, value]) => {
+          if (Array.isArray(value)) {
+            const isRepeaterData = value.length > 0 && 
+              typeof value[0] === "object" && 
+              value[0] !== null &&
+              ("_targetTable" in value[0] || "_isNewItem" in value[0] || "_existingRecord" in value[0]);
+            
+            if (isRepeaterData) {
+              // 리피터 데이터는 제외 (별도 저장)
+              return;
+            }
+            // 다중 선택 배열 → 쉼표 구분 문자열
+            const validValues = value
+              .map((v: any) => typeof v === "number" ? String(v) : v)
+              .filter((v: any) => {
+                if (typeof v === "number") return true;
+                if (typeof v !== "string") return false;
+                if (!v || v.trim() === "") return false;
+                if (v.includes("{") || v.includes("}") || v.includes('"') || v.includes("\\")) return false;
+                return true;
+              });
+            dataToSave[key] = validValues.join(",");
+          } else {
+            dataToSave[key] = value;
+          }
+        });
 
-        // UPDATE 액션 실행
-        const response = await dynamicFormApi.updateFormDataPartial(
+        console.log("[EditModal] UPDATE(PUT) 실행:", {
           recordId,
-          originalData,
-          changedData,
-          screenData.screenInfo.tableName,
-        );
+          fieldCount: Object.keys(dataToSave).length,
+          tableName: screenData.screenInfo.tableName,
+        });
+
+        const response = await dynamicFormApi.updateFormData(recordId, {
+          tableName: screenData.screenInfo.tableName,
+          data: dataToSave,
+        });
 
         if (response.success) {
           toast.success("데이터가 수정되었습니다.");
diff --git a/frontend/components/screen/StyleEditor.tsx b/frontend/components/screen/StyleEditor.tsx
index f265115b..3add842c 100644
--- a/frontend/components/screen/StyleEditor.tsx
+++ b/frontend/components/screen/StyleEditor.tsx
@@ -33,6 +33,15 @@ export default function StyleEditor({ style, onStyleChange, className }: StyleEd
     onStyleChange(newStyle);
   };
 
+  // 숫자만 입력했을 때 자동으로 px 붙여주는 핸들러
+  const autoPxProperties: (keyof ComponentStyle)[] = ["fontSize", "borderWidth", "borderRadius"];
+  const handlePxBlur = (property: keyof ComponentStyle) => {
+    const val = localStyle[property];
+    if (val && /^\d+(\.\d+)?$/.test(String(val))) {
+      handleStyleChange(property, `${val}px`);
+    }
+  };
+
   const toggleSection = (section: string) => {
     setOpenSections((prev) => ({
       ...prev,
@@ -66,6 +75,7 @@ export default function StyleEditor({ style, onStyleChange, className }: StyleEd
                   placeholder="1px"
                   value={localStyle.borderWidth || ""}
                   onChange={(e) => handleStyleChange("borderWidth", e.target.value)}
+                  onBlur={() => handlePxBlur("borderWidth")}
                   className="h-6 w-full px-2 py-0 text-xs"
                 />
               </div>
@@ -121,6 +131,7 @@ export default function StyleEditor({ style, onStyleChange, className }: StyleEd
                   placeholder="5px"
                   value={localStyle.borderRadius || ""}
                   onChange={(e) => handleStyleChange("borderRadius", e.target.value)}
+                  onBlur={() => handlePxBlur("borderRadius")}
                   className="h-6 w-full px-2 py-0 text-xs"
                 />
               </div>
@@ -209,6 +220,7 @@ export default function StyleEditor({ style, onStyleChange, className }: StyleEd
                   placeholder="14px"
                   value={localStyle.fontSize || ""}
                   onChange={(e) => handleStyleChange("fontSize", e.target.value)}
+                  onBlur={() => handlePxBlur("fontSize")}
                   className="h-6 w-full px-2 py-0 text-xs"
                 />
               </div>
diff --git a/frontend/components/v2/V2Input.tsx b/frontend/components/v2/V2Input.tsx
index dac766d5..09a43ca9 100644
--- a/frontend/components/v2/V2Input.tsx
+++ b/frontend/components/v2/V2Input.tsx
@@ -82,8 +82,9 @@ const TextInput = forwardRef<
     disabled?: boolean;
     className?: string;
     columnName?: string;
+    inputStyle?: React.CSSProperties;
   }
->(({ value, onChange, format = "none", placeholder, readonly, disabled, className, columnName }, ref) => {
+>(({ value, onChange, format = "none", placeholder, readonly, disabled, className, columnName, inputStyle }, ref) => {
   // 검증 상태
   const [hasBlurred, setHasBlurred] = useState(false);
   const [validationError, setValidationError] = useState<string>("");
@@ -210,6 +211,7 @@ const TextInput = forwardRef<
           hasError && "border-destructive focus-visible:ring-destructive",
           className,
         )}
+        style={inputStyle}
       />
       {hasError && (
         <p className="text-destructive mt-1 text-[11px]">{validationError}</p>
@@ -234,8 +236,9 @@ const NumberInput = forwardRef<
     readonly?: boolean;
     disabled?: boolean;
     className?: string;
+    inputStyle?: React.CSSProperties;
   }
->(({ value, onChange, min, max, step = 1, placeholder, readonly, disabled, className }, ref) => {
+>(({ value, onChange, min, max, step = 1, placeholder, readonly, disabled, className, inputStyle }, ref) => {
   const handleChange = useCallback(
     (e: React.ChangeEvent<HTMLInputElement>) => {
       const val = e.target.value;
@@ -268,6 +271,7 @@ const NumberInput = forwardRef<
       readOnly={readonly}
       disabled={disabled}
       className={cn("h-full w-full", className)}
+      style={inputStyle}
     />
   );
 });
@@ -285,8 +289,9 @@ const PasswordInput = forwardRef<
     readonly?: boolean;
     disabled?: boolean;
     className?: string;
+    inputStyle?: React.CSSProperties;
   }
->(({ value, onChange, placeholder, readonly, disabled, className }, ref) => {
+>(({ value, onChange, placeholder, readonly, disabled, className, inputStyle }, ref) => {
   const [showPassword, setShowPassword] = useState(false);
 
   return (
@@ -300,6 +305,7 @@ const PasswordInput = forwardRef<
         readOnly={readonly}
         disabled={disabled}
         className={cn("h-full w-full pr-10", className)}
+        style={inputStyle}
       />
       <button
         type="button"
@@ -393,8 +399,9 @@ const TextareaInput = forwardRef<
     readonly?: boolean;
     disabled?: boolean;
     className?: string;
+    inputStyle?: React.CSSProperties;
   }
->(({ value = "", onChange, placeholder, rows = 3, readonly, disabled, className }, ref) => {
+>(({ value = "", onChange, placeholder, rows = 3, readonly, disabled, className, inputStyle }, ref) => {
   return (
     <textarea
       ref={ref}
@@ -408,6 +415,7 @@ const TextareaInput = forwardRef<
         "border-input placeholder:text-muted-foreground focus-visible:ring-ring flex h-full w-full rounded-md border bg-transparent px-3 py-2 text-sm shadow-sm focus-visible:ring-1 focus-visible:outline-none disabled:cursor-not-allowed disabled:opacity-50",
         className,
       )}
+      style={inputStyle}
     />
   );
 });
@@ -767,6 +775,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
             readonly={readonly || (autoGeneration.enabled && hasGeneratedRef.current)}
             disabled={disabled}
             columnName={columnName}
+            inputStyle={inputTextStyle}
           />
         );
 
@@ -790,6 +799,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
             placeholder={config.placeholder}
             readonly={readonly}
             disabled={disabled}
+            inputStyle={inputTextStyle}
           />
         );
 
@@ -804,6 +814,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
             placeholder={config.placeholder}
             readonly={readonly}
             disabled={disabled}
+            inputStyle={inputTextStyle}
           />
         );
 
@@ -852,6 +863,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
             rows={config.rows}
             readonly={readonly}
             disabled={disabled}
+            inputStyle={inputTextStyle}
           />
         );
 
@@ -871,6 +883,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
               placeholder={isGeneratingNumbering ? "생성 중..." : "자동 생성됩니다"}
               readonly={true}
               disabled={disabled || isGeneratingNumbering}
+              inputStyle={inputTextStyle}
             />
           );
         }
@@ -917,6 +930,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
               placeholder="입력"
               className="h-full min-w-[60px] flex-1 bg-transparent px-2 text-sm focus-visible:outline-none"
               disabled={disabled || isGeneratingNumbering}
+              style={inputTextStyle}
             />
             {/* 고정 접미어 */}
             {templateSuffix && (
@@ -941,6 +955,7 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
             readonly={readonly}
             disabled={disabled}
             columnName={columnName}
+            inputStyle={inputTextStyle}
           />
         );
     }
@@ -966,13 +981,15 @@ export const V2Input = forwardRef<HTMLDivElement, V2InputProps>((props, ref) =>
   const hasCustomBackground = !!style?.backgroundColor;
   const hasCustomRadius = !!style?.borderRadius;
 
-  // 텍스트 스타일 오버라이드 (CSS 상속으로 내부 input에 전달)
+  // 텍스트 스타일 오버라이드 (내부 input/textarea에 직접 전달)
   const customTextStyle: React.CSSProperties = {};
   if (style?.color) customTextStyle.color = style.color;
   if (style?.fontSize) customTextStyle.fontSize = style.fontSize;
   if (style?.fontWeight) customTextStyle.fontWeight = style.fontWeight;
   if (style?.textAlign) customTextStyle.textAlign = style.textAlign as React.CSSProperties["textAlign"];
   const hasCustomText = Object.keys(customTextStyle).length > 0;
+  // 내부 input에 직접 적용할 텍스트 스타일 (fontSize, color, fontWeight, textAlign)
+  const inputTextStyle: React.CSSProperties | undefined = hasCustomText ? customTextStyle : undefined;
 
   return (
     <div
diff --git a/frontend/lib/registry/components/date-input/DateInputComponent.tsx b/frontend/lib/registry/components/date-input/DateInputComponent.tsx
index 35453fd5..2fd1caff 100644
--- a/frontend/lib/registry/components/date-input/DateInputComponent.tsx
+++ b/frontend/lib/registry/components/date-input/DateInputComponent.tsx
@@ -275,6 +275,9 @@ export const DateInputComponent: React.FC<DateInputComponentProps> = ({
     return ["", ""];
   }, [webType, rawValue]);
 
+  // 입력 필드에 직접 적용할 폰트 크기
+  const inputFontSize = component.style?.fontSize;
+
   // daterange 타입 전용 UI
   if (webType === "daterange") {
     return (
@@ -312,6 +315,7 @@ export const DateInputComponent: React.FC<DateInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
 
           {/* 구분자 */}
@@ -341,6 +345,7 @@ export const DateInputComponent: React.FC<DateInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
         </div>
       </div>
@@ -385,6 +390,7 @@ export const DateInputComponent: React.FC<DateInputComponentProps> = ({
               : "bg-background text-foreground",
             "disabled:cursor-not-allowed",
           )}
+          style={inputFontSize ? { fontSize: inputFontSize } : undefined}
         />
       </div>
     );
@@ -421,6 +427,7 @@ export const DateInputComponent: React.FC<DateInputComponentProps> = ({
             : "bg-background text-foreground",
           "disabled:cursor-not-allowed",
         )}
+        style={inputFontSize ? { fontSize: inputFontSize } : undefined}
         onClick={handleClick}
         onDragStart={onDragStart}
         onDragEnd={onDragEnd}
diff --git a/frontend/lib/registry/components/number-input/NumberInputComponent.tsx b/frontend/lib/registry/components/number-input/NumberInputComponent.tsx
index 3f41505c..84c62617 100644
--- a/frontend/lib/registry/components/number-input/NumberInputComponent.tsx
+++ b/frontend/lib/registry/components/number-input/NumberInputComponent.tsx
@@ -109,6 +109,9 @@ export const NumberInputComponent: React.FC<NumberInputComponentProps> = ({
     return value.replace(/,/g, "");
   };
 
+  // 입력 필드에 직접 적용할 폰트 크기
+  const inputFontSize = component.style?.fontSize;
+
   // Currency 타입 전용 UI
   if (webType === "currency") {
     return (
@@ -141,6 +144,7 @@ export const NumberInputComponent: React.FC<NumberInputComponentProps> = ({
               }
             }}
             className={`h-full flex-1 rounded-md border px-3 py-2 text-right text-base font-semibold transition-all duration-200 outline-none ${isSelected ? "border-blue-500 ring-2 ring-blue-100" : "border-gray-300"} ${componentConfig.disabled ? "bg-gray-100 text-gray-400" : "bg-white text-green-600"} focus:border-orange-500 focus:ring-2 focus:ring-orange-100 disabled:cursor-not-allowed`}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
         </div>
       </div>
@@ -179,6 +183,7 @@ export const NumberInputComponent: React.FC<NumberInputComponentProps> = ({
               }
             }}
             className={`h-full flex-1 rounded-md border px-3 py-2 text-right text-base font-semibold transition-all duration-200 outline-none ${isSelected ? "border-blue-500 ring-2 ring-blue-100" : "border-gray-300"} ${componentConfig.disabled ? "bg-gray-100 text-gray-400" : "bg-white text-blue-600"} focus:border-orange-500 focus:ring-2 focus:ring-orange-100 disabled:cursor-not-allowed`}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
 
           {/* 퍼센트 기호 */}
@@ -218,6 +223,7 @@ export const NumberInputComponent: React.FC<NumberInputComponentProps> = ({
         max={componentConfig.max}
         step={step}
         className={`box-border h-full w-full rounded-md border px-3 py-2 text-sm shadow-sm transition-all duration-200 outline-none ${isSelected ? "border-blue-500 ring-2 ring-blue-100" : "border-gray-300"} ${componentConfig.disabled ? "bg-gray-100 text-gray-400" : "bg-white text-gray-900"} placeholder:text-gray-400 focus:border-orange-500 focus:ring-2 focus:ring-orange-100 disabled:cursor-not-allowed`}
+        style={inputFontSize ? { fontSize: inputFontSize } : undefined}
         onClick={handleClick}
         onDragStart={onDragStart}
         onDragEnd={onDragEnd}
diff --git a/frontend/lib/registry/components/selected-items-detail-input/SelectedItemsDetailInputComponent.tsx b/frontend/lib/registry/components/selected-items-detail-input/SelectedItemsDetailInputComponent.tsx
index ffe2875d..6af5a88f 100644
--- a/frontend/lib/registry/components/selected-items-detail-input/SelectedItemsDetailInputComponent.tsx
+++ b/frontend/lib/registry/components/selected-items-detail-input/SelectedItemsDetailInputComponent.tsx
@@ -596,6 +596,23 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
           const additionalFields = componentConfig.additionalFields || [];
           const mainTable = componentConfig.targetTable!;
 
+          // 수정 모드 감지 (2가지 방법으로 확인)
+          // 1. URL에 mode=edit 파라미터 확인
+          // 2. 로드된 데이터에 DB id(PK)가 존재하는지 확인
+          // 수정 모드에서는 항상 deleteOrphans=true (기존 레코드 교체, 복제 방지)
+          const urlParams = typeof window !== "undefined" ? new URLSearchParams(window.location.search) : null;
+          const urlEditMode = urlParams?.get("mode") === "edit";
+          const dataHasDbId = items.some(item => !!item.originalData?.id);
+          const isEditMode = urlEditMode || dataHasDbId;
+
+          console.log("[SelectedItemsDetailInput] 수정 모드 감지:", {
+            urlEditMode,
+            dataHasDbId,
+            isEditMode,
+            itemCount: items.length,
+            firstItemId: items[0]?.originalData?.id,
+          });
+
           // fieldGroup별 sourceTable 분류
           const groupsByTable = new Map<string, typeof groups>();
           groups.forEach((group) => {
@@ -686,9 +703,20 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
                 });
               });
 
-              // 레코드에 id(기존 DB PK)가 있으면 EDIT 모드 → 고아 삭제
-              // id 없으면 CREATE 모드 → 기존 레코드 건드리지 않음
+              // 수정 모드이거나 레코드에 id(기존 DB PK)가 있으면 → 고아 삭제 (기존 레코드 교체)
+              // 신규 등록이고 id 없으면 → 기존 레코드 건드리지 않음
               const mappingHasDbIds = mappingRecords.some((r) => !!r.id);
+              const shouldDeleteOrphans = isEditMode || mappingHasDbIds;
+
+              console.log(`[SelectedItemsDetailInput] ${mainTable} 저장:`, {
+                isEditMode,
+                mappingHasDbIds,
+                shouldDeleteOrphans,
+                recordCount: mappingRecords.length,
+                recordIds: mappingRecords.map(r => r.id || "NEW"),
+                parentKeys: itemParentKeys,
+              });
+
               // 저장된 매핑 ID를 추적 (디테일 테이블에 mapping_id 주입용)
               let savedMappingIds: string[] = [];
               try {
@@ -696,7 +724,7 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
                   mainTable,
                   itemParentKeys,
                   mappingRecords,
-                  { deleteOrphans: mappingHasDbIds },
+                  { deleteOrphans: shouldDeleteOrphans },
                 );
                 // 백엔드에서 반환된 저장된 레코드 ID 목록
                 if (mappingResult.success && mappingResult.savedIds) {
@@ -775,12 +803,23 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
                 }
 
                 const priceHasDbIds = priceRecords.some((r) => !!r.id);
+                const shouldDeleteDetailOrphans = isEditMode || priceHasDbIds;
+
+                console.log(`[SelectedItemsDetailInput] ${detailTable} 저장:`, {
+                  isEditMode,
+                  priceHasDbIds,
+                  shouldDeleteDetailOrphans,
+                  recordCount: priceRecords.length,
+                  recordIds: priceRecords.map(r => r.id || "NEW"),
+                  parentKeys: itemParentKeys,
+                });
+
                 try {
                   const detailResult = await dataApi.upsertGroupedRecords(
                     detailTable,
                     itemParentKeys,
                     priceRecords,
-                    { deleteOrphans: priceHasDbIds },
+                    { deleteOrphans: shouldDeleteDetailOrphans },
                   );
 
                   if (!detailResult.success) {
@@ -805,8 +844,10 @@ export const SelectedItemsDetailInputComponent: React.FC<SelectedItemsDetailInpu
             // 단일 테이블 저장 (기존 로직 - detailTable 없는 경우)
             // ============================================================
             const records = generateCartesianProduct(items);
+            const singleHasDbIds = records.some((r) => !!r.id);
+            const shouldDeleteSingleOrphans = isEditMode || singleHasDbIds;
 
-            const result = await dataApi.upsertGroupedRecords(mainTable, parentKeys, records);
+            const result = await dataApi.upsertGroupedRecords(mainTable, parentKeys, records, { deleteOrphans: shouldDeleteSingleOrphans });
 
             if (result.success) {
               window.dispatchEvent(
diff --git a/frontend/lib/registry/components/text-input/TextInputComponent.tsx b/frontend/lib/registry/components/text-input/TextInputComponent.tsx
index 58f8cf49..c51b0c0f 100644
--- a/frontend/lib/registry/components/text-input/TextInputComponent.tsx
+++ b/frontend/lib/registry/components/text-input/TextInputComponent.tsx
@@ -192,6 +192,9 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
   }
 
   // 스타일 계산 (위치는 RealtimePreviewDynamic에서 처리하므로 제외)
+  // 입력 필드에 직접 적용할 폰트 크기
+  const inputFontSize = component.style?.fontSize;
+
   const componentStyle: React.CSSProperties = {
     width: "100%",
     height: "100%",
@@ -412,6 +415,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
 
           {/* @ 구분자 */}
@@ -528,6 +532,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
 
           <span className="text-muted-foreground text-base font-medium">-</span>
@@ -558,6 +563,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
 
           <span className="text-muted-foreground text-base font-medium">-</span>
@@ -588,6 +594,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
         </div>
       </div>
@@ -659,6 +666,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
                 : "bg-background text-foreground",
               "disabled:cursor-not-allowed",
             )}
+            style={inputFontSize ? { fontSize: inputFontSize } : undefined}
           />
         </div>
       </div>
@@ -712,6 +720,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
               : "bg-background text-foreground",
             "disabled:cursor-not-allowed",
           )}
+          style={inputFontSize ? { fontSize: inputFontSize } : undefined}
         />
       </div>
     );
@@ -791,6 +800,7 @@ export const TextInputComponent: React.FC<TextInputComponentProps> = ({
             : "bg-background text-foreground",
           "disabled:cursor-not-allowed",
         )}
+        style={inputFontSize ? { fontSize: inputFontSize } : undefined}
         onClick={(e) => {
           handleClick(e);
         }}
diff --git a/frontend/lib/registry/components/textarea-basic/TextareaBasicComponent.tsx b/frontend/lib/registry/components/textarea-basic/TextareaBasicComponent.tsx
index a1e441a7..998e6f52 100644
--- a/frontend/lib/registry/components/textarea-basic/TextareaBasicComponent.tsx
+++ b/frontend/lib/registry/components/textarea-basic/TextareaBasicComponent.tsx
@@ -102,7 +102,7 @@ export const TextareaBasicComponent: React.FC<TextareaBasicComponentProps> = ({
           border: "1px solid #d1d5db",
           borderRadius: "8px",
           padding: "8px 12px",
-          fontSize: "14px",
+          fontSize: component.style?.fontSize || "14px",
           outline: "none",
           resize: "none",
           transition: "all 0.2s ease-in-out",
diff --git a/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutComponent.tsx b/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutComponent.tsx
index 53e91e71..bb9306c8 100644
--- a/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutComponent.tsx
+++ b/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutComponent.tsx
@@ -3641,11 +3641,11 @@ export const SplitPanelLayoutComponent: React.FC<SplitPanelLayoutComponentProps>
       {/* 우측 패널 */}
       <div
         style={{ width: `${100 - leftWidth}%`, minWidth: isPreview ? "0" : `${minRightWidth}px`, height: "100%" }}
-        className="flex flex-shrink-0 flex-col"
+        className="flex flex-shrink-0 flex-col border-l border-border/60 bg-muted/5"
       >
-        <Card className="flex flex-col border-0 shadow-none" style={{ height: "100%" }}>
+        <Card className="flex flex-col border-0 bg-transparent shadow-none" style={{ height: "100%" }}>
           <CardHeader
-            className="flex-shrink-0 border-b"
+            className="flex-shrink-0 border-b bg-muted/30"
             style={{
               height: componentConfig.rightPanel?.panelHeaderHeight || 48,
               minHeight: componentConfig.rightPanel?.panelHeaderHeight || 48,
diff --git a/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutConfigPanel.tsx b/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutConfigPanel.tsx
index 7c17c979..52fd30a1 100644
--- a/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutConfigPanel.tsx
+++ b/frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutConfigPanel.tsx
@@ -1584,7 +1584,7 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           {
             id: "basic",
             title: "기본 설정",
-            desc: `${relationshipType === "detail" ? "상세" : "조건 필터"} | 비율 ${config.splitRatio || 30}%`,
+            desc: `${relationshipType === "detail" ? "1건 상세보기" : "연관 목록"} | 비율 ${config.splitRatio || 30}%`,
             icon: Settings2,
           },
           {
@@ -1633,7 +1633,8 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           <div className="space-y-6">
       {/* 관계 타입 선택 */}
       <div className="space-y-3 rounded-lg border border-border/50 bg-muted/40 p-4">
-        <h3 className="border-l-2 border-l-primary/40 pl-2 text-sm font-semibold">패널 관계 타입</h3>
+        <h3 className="border-l-2 border-l-primary/40 pl-2 text-sm font-semibold">우측 패널 표시 방식</h3>
+        <p className="text-muted-foreground text-xs">좌측 항목 선택 시 우측에 어떤 형태로 데이터를 보여줄지 설정합니다</p>
         <Select
           value={relationshipType}
           onValueChange={(value: "join" | "detail") => {
@@ -1651,21 +1652,21 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           }}
         >
           <SelectTrigger className="h-10 bg-white">
-            <SelectValue placeholder="관계 타입 선택">
-              {relationshipType === "detail" ? "상세 (DETAIL)" : "조건 필터 (FILTERED)"}
+            <SelectValue placeholder="표시 방식 선택">
+              {relationshipType === "detail" ? "1건 상세보기" : "연관 목록"}
             </SelectValue>
           </SelectTrigger>
           <SelectContent>
             <SelectItem value="detail">
               <div className="flex flex-col py-1">
-                <span className="text-sm font-medium">상세 (DETAIL)</span>
-                <span className="text-xs text-gray-500">좌측 목록 → 우측 상세 정보 (동일 테이블)</span>
+                <span className="text-sm font-medium">1건 상세보기</span>
+                <span className="text-xs text-gray-500">좌측 클릭 시 해당 항목의 상세 정보 표시 (같은 테이블)</span>
               </div>
             </SelectItem>
             <SelectItem value="join">
               <div className="flex flex-col py-1">
-                <span className="text-sm font-medium">조건 필터 (FILTERED)</span>
-                <span className="text-xs text-gray-500">좌측 선택 항목 기준으로 우측 테이블 필터링</span>
+                <span className="text-sm font-medium">연관 목록</span>
+                <span className="text-xs text-gray-500">좌측 클릭 시 연관된 데이터 목록 표시 / 미선택 시 전체 표시</span>
               </div>
             </SelectItem>
           </SelectContent>
@@ -2304,7 +2305,7 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           <div className="space-y-4">
       {/* 우측 패널 설정 */}
       <div className="space-y-4 rounded-lg border border-border/50 bg-muted/40 p-4">
-        <h3 className="border-l-2 border-l-primary/40 pl-2 text-sm font-semibold">우측 패널 설정 ({relationshipType === "detail" ? "상세" : "조건 필터"})</h3>
+        <h3 className="border-l-2 border-l-primary/40 pl-2 text-sm font-semibold">우측 패널 설정 ({relationshipType === "detail" ? "1건 상세보기" : "연관 목록"})</h3>
 
         <div className="space-y-2">
           <Label>패널 제목</Label>