전략평가 오류 수정

frontend/src/App.css

@@ -1919,12 +1919,69 @@ html.desktop-client .tmb-logo-version {
 }
 .ind-tab-editor-footer {
   display: flex;
+  align-items: center;
   justify-content: flex-end;
   gap: 8px;
   padding: 10px 12px;
   border-top: 1px solid var(--border);
   flex-shrink: 0;
 }
+.ind-tab-editor-error {
+  margin-right: auto;
+  font-size: 12px;
+  color: #ff6b6b;
+}
+
+/* 인앱 확인 모달 (데스크톱 웹뷰에서 window.confirm 미동작 대체) */
+.gc-confirm-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 2200;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 16px;
+  background: rgba(0, 0, 0, 0.55);
+}
+.gc-confirm-box {
+  width: min(360px, calc(100vw - 24px));
+  background: var(--bg2);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
+  padding: 18px 18px 14px;
+}
+.gc-confirm-msg {
+  margin: 0 0 16px;
+  font-size: 13px;
+  line-height: 1.55;
+  color: var(--text);
+  white-space: pre-line;
+}
+.gc-confirm-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 8px;
+}
+.gc-confirm-btn {
+  padding: 7px 16px;
+  border-radius: 4px;
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  border: 1px solid var(--border);
+}
+.gc-confirm-btn.cancel {
+  background: var(--bg3);
+  color: var(--text2);
+}
+.gc-confirm-btn.cancel:hover { color: var(--text); }
+.gc-confirm-btn.ok {
+  background: var(--accent);
+  color: #fff;
+  border-color: var(--accent);
+}
+.gc-confirm-btn.ok:hover { filter: brightness(1.08); }
 .ind-tab-editor-btn {
   padding: 7px 16px;
   border-radius: 4px;