diff --git a/src/components/Componentes/error-toast.tsx b/src/components/Componentes/error-toast.tsx
index f23b366..b94a390 100644
--- a/src/components/Componentes/error-toast.tsx
+++ b/src/components/Componentes/error-toast.tsx
@@ -1,16 +1,18 @@
 "use client";
 
 import { useEffect, useState } from "react";
-import { IoAlertCircle, IoClose, IoCheckmarkCircle } from "react-icons/io5";
+import { IoClose } from "react-icons/io5";
 
 type ErrorToastProps = {
+  title?: string;
   message: string;
   onClose: () => void;
   duration?: number;
-  variant?: "error" | "success";
+  variant?: "error" | "success" | "warning" | "info";
 };
 
 export default function ErrorToast({
+  title,
   message,
   onClose,
   duration = 4000,
@@ -32,42 +34,56 @@ export default function ErrorToast({
     setTimeout(onClose, 300);
   };
 
-  const isSuccess = variant === "success";
+  const getBorderColor = () => {
+    switch (variant) {
+      case "success":
+        return "border-t-[#10B981]";
+      case "warning":
+        return "border-t-[#F59E0B]";
+      case "info":
+        return "border-t-[#3B82F6]";
+      case "error":
+      default:
+        return "border-t-[#F0445B]";
+    }
+  };
 
   return (
     <div
       className={[
-        "fixed top-4 left-1/2 z-50 flex w-[calc(100%-34px)] max-w-[341px] -translate-x-1/2 items-center gap-3 rounded-xl border p-4 shadow-lg backdrop-blur-md transition-all duration-300",
+        "fixed top-3.5 left-1/2 z-50 flex w-[calc(100%-32px)] max-w-[360px] -translate-x-1/2 items-start justify-between gap-3 rounded-[16px] bg-[#141414]/95 p-3.5 px-4 text-white shadow-[0_10px_30px_rgba(0,0,0,0.35)] backdrop-blur-md border border-white/5 border-t-[2.5px] transition-all duration-300 ease-out",
+        getBorderColor(),
         isVisible
           ? "translate-y-0 opacity-100 scale-100"
           : "-translate-y-4 opacity-0 scale-95",
-        isSuccess
-          ? "bg-green-50/95 dark:bg-green-950/95 text-green-800 dark:text-green-200 border-green-100/80 dark:border-green-900/50"
-          : "bg-red-50/95 dark:bg-red-950/95 text-red-800 dark:text-red-200 border-red-100/80 dark:border-red-900/50",
       ].join(" ")}
       role="alert"
     >
-      {isSuccess ? (
-        <IoCheckmarkCircle className="size-5 shrink-0 text-green-500" />
-      ) : (
-        <IoAlertCircle className="size-5 shrink-0 text-red-500" />
-      )}
-      <span className="flex-1 text-sm font-semibold leading-normal">
-        {message}
-      </span>
+      <div className="flex flex-1 flex-col text-start min-w-0">
+        {title && (
+          <span className="text-[15px] font-bold text-white leading-tight truncate mb-1">
+            {title}
+          </span>
+        )}
+        <span
+          className={[
+            "text-[#E0E0E0] leading-snug break-words",
+            title ? "text-[13px] text-white/80" : "text-[14px] font-medium text-white",
+          ].join(" ")}
+        >
+          {message}
+        </span>
+      </div>
+
       <button
         type="button"
         onClick={handleClose}
-        className={[
-          "flex size-6 items-center justify-center rounded-lg transition-colors",
-          isSuccess
-            ? "text-green-500 hover:bg-green-100/50 dark:hover:bg-green-900/50"
-            : "text-red-500 hover:bg-red-100/50 dark:hover:bg-red-900/50",
-        ].join(" ")}
+        className="flex size-7 shrink-0 items-center justify-center rounded-lg text-white/70 hover:text-white transition-colors cursor-pointer self-start -me-1 -mt-0.5"
         aria-label="Close toast"
       >
-        <IoClose className="size-4" />
+        <IoClose className="size-5" />
       </button>
     </div>
   );
 }
+
diff --git a/src/components/Componentes/question-section-flow.tsx b/src/components/Componentes/question-section-flow.tsx
index 69b5aa2..a9056d7 100644
--- a/src/components/Componentes/question-section-flow.tsx
+++ b/src/components/Componentes/question-section-flow.tsx
@@ -12,6 +12,7 @@ import QuestionProgressTracker, {
 } from "./question-progress-tracker";
 import QuestionSnapList from "./question-snap-list";
 import type { QuestionField } from "@/lib/schema-adapter";
+import ErrorToast from "./error-toast";
 import NoticeBox from "./notice-box";
 import AnswerPaceSheet from "@/app/questions-list/[slug]/answer-pace-sheet";
 import { FixToTheEnd } from "./fix-to-the-end";
@@ -50,6 +51,7 @@ function SectionFlowContent({
   const { markQuestionPassed, isCompleted } = useQuestionProgress();
   const [activeQuestionIndex, setActiveQuestionIndex] = useState(0);
   const [isSubmitting, setIsSubmitting] = useState(false);
+  const [errorMessage, setErrorMessage] = useState<string | null>(null);
 
   const handleQuestionExit = useCallback(() => {
     void flushAnswers({ force: true });
@@ -60,19 +62,46 @@ function SectionFlowContent({
       return;
     }
     setIsSubmitting(true);
+    setErrorMessage(null);
 
-    try {
+    const MAX_RETRIES = 3;
+    let success = false;
+
+    for (let attempt = 1; attempt <= MAX_RETRIES; attempt++) {
+      try {
+        await flushAnswers({ force: true });
+        success = true;
+        break;
+      } catch (err) {
+        console.warn(
+          `[CONTINUE] flushAnswers attempt ${attempt}/${MAX_RETRIES} failed:`,
+          err,
+        );
+        if (attempt < MAX_RETRIES) {
+          // Silent delay between retries while maintaining loading spinner
+          await new Promise((resolve) => setTimeout(resolve, 800));
+        }
+      }
+    }
+
+    if (success) {
       markFirstEntryCompleted();
-      await flushAnswers({ force: true });
-    } catch {
-      // ignore
-    } finally {
       if (onExit) {
         onExit();
       } else {
         const target = localizePath(exitHref || "/questions-list", locale);
         router.replace(target);
       }
+    } else {
+      setIsSubmitting(false);
+      const isPersian = locale === "fa" || locale === "fa-ir";
+      const isArabic = locale === "ar";
+      const msg = isPersian
+        ? "خطا در اتصال به اینترنت. پاسخ‌ها با سرور همگام نشدند؛ لطفاً اتصال خود را بررسی و دوباره روی ادامه بزنید."
+        : isArabic
+          ? "خطأ في الاتصال بالإنترنت. تعذر مزامنة الإجابات مع الخادم؛ يرجى التحقق من الاتصال والمحاولة مرة أخرى."
+          : "Internet connection error. Answers could not be synced with server. Please check your connection and tap Continue again.";
+      setErrorMessage(msg);
     }
   }, [exitHref, onExit, flushAnswers, locale, router, isSubmitting]);
 
@@ -137,6 +166,14 @@ function SectionFlowContent({
       {process.env.NODE_ENV === "development" ? (
         <DevTapInstrumentation />
       ) : null}
+      {errorMessage && (
+        <ErrorToast
+          message={errorMessage}
+          onClose={() => setErrorMessage(null)}
+          duration={5000}
+          variant="error"
+        />
+      )}
       <FixToTheEnd>
         <Button
           disabled={!isCompleted || isSubmitting}
diff --git a/src/components/Componentes/question-sheet.tsx b/src/components/Componentes/question-sheet.tsx
index 9e159f4..1dcc1be 100644
--- a/src/components/Componentes/question-sheet.tsx
+++ b/src/components/Componentes/question-sheet.tsx
@@ -42,22 +42,45 @@ export function QuestionSheet({ question, disabled }: QuestionSheetProps) {
   const [searchQuery, setSearchQuery] = useState("");
   const listRef = useRef<HTMLDivElement>(null);
   const sheetRef = useRef<HTMLElement>(null);
+  const [localSelectedList, setLocalSelectedList] = useState<string[]>(selectedList);
+  const localSelectedListRef = useRef<string[]>(selectedList);
+
+  useEffect(() => {
+    localSelectedListRef.current = localSelectedList;
+  }, [localSelectedList]);
+
+  useEffect(() => {
+    if (!isOpen) {
+      setLocalSelectedList(selectedList);
+      localSelectedListRef.current = selectedList;
+    }
+  }, [isOpen, selectedList]);
+
   const closeSheet = useCallback(() => {
     setIsClosing(true);
+    if (isMulti) {
+      const currentList = localSelectedListRef.current;
+      setAnswerValue(
+        question,
+        currentList.length > 0 ? currentList : null,
+      );
+    }
     window.setTimeout(() => {
       setIsOpen(false);
       setIsClosing(false);
       setSearchQuery("");
     }, EXIT_ANIMATION_MS);
-  }, []);
+  }, [isMulti, question, setAnswerValue]);
 
   const openSheet = useCallback(() => {
     if (disabled) return;
+    setLocalSelectedList(selectedList);
+    localSelectedListRef.current = selectedList;
     setIsOpen(true);
     setIsClosing(false);
-  }, [disabled]);
+  }, [disabled, selectedList]);
 
-  useSheetScrollLock(isOpen, { onBack: closeSheet });
+  useSheetScrollLock(isOpen && !isClosing, { onBack: closeSheet });
 
   // Handle escape key
   useEffect(() => {
@@ -275,13 +298,25 @@ export function QuestionSheet({ question, disabled }: QuestionSheetProps) {
     : Boolean(singleValue);
 
   const toggleMultiOption = (optionId: string) => {
-    let nextValue: string[];
-    if (selectedList.includes(optionId)) {
-      nextValue = selectedList.filter((v) => v !== optionId);
-    } else {
-      nextValue = [...selectedList, optionId];
-    }
-    setAnswerValue(question, nextValue.length > 0 ? nextValue : null);
+    setLocalSelectedList((prev) => {
+      let nextValue: string[];
+      if (prev.includes(optionId)) {
+        nextValue = prev.filter((v) => v !== optionId);
+      } else {
+        nextValue = [...prev, optionId];
+      }
+      localSelectedListRef.current = nextValue;
+      return nextValue;
+    });
+  };
+
+  const handleConfirmMulti = () => {
+    const currentList = localSelectedListRef.current;
+    setAnswerValue(
+      question,
+      currentList.length > 0 ? currentList : null,
+    );
+    closeSheet();
   };
 
   const handleSelectSingle = (optionId: string) => {
@@ -476,7 +511,7 @@ export function QuestionSheet({ question, disabled }: QuestionSheetProps) {
                 {filteredOptions.length > 0 ? (
                   filteredOptions.map((option) => {
                     const isSelected = isMulti
-                      ? selectedList.includes(option.id)
+                      ? localSelectedList.includes(option.id)
                       : singleValue === option.id;
 
                     return (
@@ -581,11 +616,11 @@ export function QuestionSheet({ question, disabled }: QuestionSheetProps) {
                   <Button
                     type="button"
                     variant="default"
-                    onClick={closeSheet}
-                    className="w-full h-[50px] rounded-[14px] text-[15px] font-bold shadow-[0_8px_20px_rgba(240,68,91,0.25)]"
+                    onClick={handleConfirmMulti}
+                    className="w-full h-[50px] rounded-[14px] text-[15px] font-bold shadow-[0_8px_20px_rgba(240,68,91,0.25)] cursor-pointer"
                   >
-                    {selectedList.length > 0
-                      ? `${confirmText} (${selectedList.length})`
+                    {localSelectedList.length > 0
+                      ? `${confirmText} (${localSelectedList.length})`
                       : confirmText}
                   </Button>
                 </div>
diff --git a/src/components/Componentes/slider-page.test.tsx b/src/components/Componentes/slider-page.test.tsx
index 3077a8c..adceb6d 100644
--- a/src/components/Componentes/slider-page.test.tsx
+++ b/src/components/Componentes/slider-page.test.tsx
@@ -41,7 +41,7 @@ vi.mock('@/translations/provider', () => ({
   useI18n: () => ({
     locale: 'en',
     dictionary: {
-      "Failed to update profile basic details. Please try again.": "Failed to update profile basic details. Please try again.",
+      "Something went wrong. Please check your internet connection and try again.": "Something went wrong. Please check your internet connection and try again.",
       "Accept & Continue": "Accept & Continue",
     },
   }),
@@ -134,7 +134,7 @@ describe('SliderPage', () => {
     fireEvent.click(finishBtn);
 
     await waitFor(() => {
-      expect(screen.getByRole('alert')).toHaveTextContent('Failed to update profile basic details. Please try again.');
+      expect(screen.getByRole('alert')).toHaveTextContent('Something went wrong. Please check your internet connection and try again.');
     });
     expect(mockReplace).not.toHaveBeenCalled();
     
diff --git a/src/components/Componentes/slider-page.tsx b/src/components/Componentes/slider-page.tsx
index 60b30c0..30d5129 100644
--- a/src/components/Componentes/slider-page.tsx
+++ b/src/components/Componentes/slider-page.tsx
@@ -11,6 +11,7 @@ import {
 import { localizePath } from "@/translations/config";
 import { useI18n } from "@/translations/provider";
 import Button from "./button";
+import ErrorToast from "./error-toast";
 import NavigationButton from "./navigation-button";
 import type { GenderAnswer, RegistrationAnswer } from "./slider-slide";
 import { SliderSlideFive } from "./slider-slide-five";
@@ -116,13 +117,22 @@ export default function SliderPage({ onClose }: SliderPageProps = {}) {
       router.replace(localizedTarget);
     } catch (error) {
       console.error("Failed to complete onboarding:", error);
-      setSubmitError(t["Failed to update profile basic details. Please try again."] || "Failed to update profile basic details. Please try again.");
+      setSubmitError(
+        t["Something went wrong. Please check your internet connection and try again."] ||
+          "Something went wrong. Please check your internet connection and try again."
+      );
       setIsSubmitting(false);
     }
   };
 
   return (
     <div className="relative flex h-[100dvh] max-h-[100dvh] flex-col overflow-hidden">
+      {submitError && (
+        <ErrorToast
+          message={submitError}
+          onClose={() => setSubmitError(null)}
+        />
+      )}
       <header className="relative -mx-[17px] rounded-b-[32px] px-[17px] pt-[max(12px,calc(var(--safe-top)+4px))] pb-3">
         <div className="relative flex items-center justify-between">
           <NavigationButton
@@ -211,18 +221,11 @@ export default function SliderPage({ onClose }: SliderPageProps = {}) {
                 disabled={!hasReadRules}
               />
             ) : activeSlide === maxSlideIndex ? (
-              <div className="flex flex-col gap-3">
-                {submitError && (
-                  <div role="alert" aria-live="assertive" className="text-sm text-red-500 bg-red-50 p-3 rounded-xl border border-red-200">
-                    {submitError}
-                  </div>
-                )}
-                <SliderFinalActions
-                  onBack={goToPreviousSlide}
-                  isFinishing={isSubmitting}
-                  onFinish={completeSlider}
-                />
-              </div>
+              <SliderFinalActions
+                onBack={goToPreviousSlide}
+                isFinishing={isSubmitting}
+                onFinish={completeSlider}
+              />
             ) : (
               <SliderStepActions
                 onBack={goToPreviousSlide}