diff --git a/src/app/i18n/en.ts b/src/app/i18n/en.ts
index c8d811d..ae76e39 100644
--- a/src/app/i18n/en.ts
+++ b/src/app/i18n/en.ts
@@ -123,6 +123,9 @@ export const en: Translations = {
     emailNeedsAt: 'Email must contain @',
     emailNeedsDomain: 'Email must contain a domain (.com, .ru, etc.)',
     emailInvalid: 'Invalid email format',
+    telegramIdMissing: 'We could not identify your Telegram account, so we could not save your contact details. Your payment was still successful.',
+    emailPlaceholder: 'you@example.com',
+    phonePlaceholder: '+7 (___) ___-__-__',
     loginRequired: 'Log in to checkout',
     loginRequiredDesc: 'Please log in via Telegram to place your order',
     loginWithTelegram: 'Log in with Telegram',
diff --git a/src/app/i18n/hy.ts b/src/app/i18n/hy.ts
index 2d8c342..8c471d9 100644
--- a/src/app/i18n/hy.ts
+++ b/src/app/i18n/hy.ts
@@ -123,6 +123,9 @@ export const hy: Translations = {
     emailNeedsAt: 'Email-ը պետք է պարունակի @',
     emailNeedsDomain: 'Email-ը պետք է պարունակի դոմեյն (.com, .ru և այլն)',
     emailInvalid: 'Սխալ email ձևաչափ',
+    telegramIdMissing: 'Չհաջողվեց հաստատել ձեր Telegram հաշիվը, ուստի կոնտակտային տվյալները չեն պահպանվել։ Վճարումը հաջողությամբ կատարվել է։',
+    emailPlaceholder: 'you@example.com',
+    phonePlaceholder: '+7 (___) ___-__-__',
     loginRequired: 'Մուտք գործեք ձևակերպելու համար',
     loginRequiredDesc: 'Պատվեր ձևակերպելու համար մուտք գործեք Telegram-ով',
     loginWithTelegram: 'Մուտք Telegram-ով',
diff --git a/src/app/i18n/ru.ts b/src/app/i18n/ru.ts
index 5cdfdef..5f9d6dd 100644
--- a/src/app/i18n/ru.ts
+++ b/src/app/i18n/ru.ts
@@ -123,6 +123,9 @@ export const ru: Translations = {
     emailNeedsAt: 'Email должен содержать @',
     emailNeedsDomain: 'Email должен содержать домен (.com, .ru и т.д.)',
     emailInvalid: 'Некорректный формат email',
+    telegramIdMissing: 'Не удалось определить ваш Telegram-аккаунт, поэтому контактные данные не сохранены. Оплата прошла успешно.',
+    emailPlaceholder: 'you@example.com',
+    phonePlaceholder: '+7 (___) ___-__-__',
     loginRequired: 'Войдите для оформления',
     loginRequiredDesc: 'Для оформления заказа войдите через Telegram',
     loginWithTelegram: 'Войти через Telegram',
diff --git a/src/app/i18n/translations.ts b/src/app/i18n/translations.ts
index 8f8592d..2a9d780 100644
--- a/src/app/i18n/translations.ts
+++ b/src/app/i18n/translations.ts
@@ -121,6 +121,9 @@ export interface Translations {
     emailNeedsAt: string;
     emailNeedsDomain: string;
     emailInvalid: string;
+    telegramIdMissing: string;
+    emailPlaceholder: string;
+    phonePlaceholder: string;
     loginRequired: string;
     loginRequiredDesc: string;
     loginWithTelegram: string;
diff --git a/src/app/pages/cart/cart.component.html b/src/app/pages/cart/cart.component.html
index a6df206..2bfb1b9 100644
--- a/src/app/pages/cart/cart.component.html
+++ b/src/app/pages/cart/cart.component.html
@@ -271,6 +271,44 @@
         <div class="payment-status-screen success" role="status" aria-live="polite">
           <div class="success-icon" aria-hidden="true">✓</div>
           <h2>{{ 'cart.paymentSuccess' | translate }}</h2>
+          @if (!purchaseSubmitted()) {
+            <p>{{ 'cart.paymentSuccessDesc' | translate }}</p>
+            <form class="contact-capture-form" (ngSubmit)="submitEmail()">
+              <label>
+                <input
+                  type="email"
+                  name="email"
+                  [value]="userEmail()"
+                  [placeholder]="'cart.emailPlaceholder' | translate"
+                  [attr.aria-invalid]="!!emailError()"
+                  (input)="onEmailInput($event)"
+                  (blur)="onEmailBlur()"
+                  [disabled]="emailSubmitting()"
+                />
+                @if (emailError()) {
+                  <span class="field-error">{{ emailError() }}</span>
+                }
+              </label>
+              <label>
+                <input
+                  type="tel"
+                  name="phone"
+                  [value]="userPhone()"
+                  [placeholder]="'cart.phonePlaceholder' | translate"
+                  [attr.aria-invalid]="!!phoneError()"
+                  (input)="onPhoneInput($event)"
+                  (blur)="onPhoneBlur()"
+                  [disabled]="emailSubmitting()"
+                />
+                @if (phoneError()) {
+                  <span class="field-error">{{ phoneError() }}</span>
+                }
+              </label>
+              <button type="submit" [disabled]="emailSubmitting()">
+                {{ emailSubmitting() ? ('cart.sending' | translate) : ('cart.send' | translate) }}
+              </button>
+            </form>
+          }
         </div>
       }
 
diff --git a/src/app/pages/cart/cart.component.scss b/src/app/pages/cart/cart.component.scss
index 3f1c608..759b0f8 100644
--- a/src/app/pages/cart/cart.component.scss
+++ b/src/app/pages/cart/cart.component.scss
@@ -722,6 +722,57 @@
       color: white;
       margin: 0 auto 20px;
     }
+
+    .contact-capture-form {
+      display: flex;
+      flex-direction: column;
+      gap: 12px;
+      margin-top: 16px;
+      text-align: left;
+
+      label {
+        display: flex;
+        flex-direction: column;
+        gap: 4px;
+      }
+
+      input {
+        padding: 10px 12px;
+        border: 1px solid var(--border-color);
+        border-radius: var(--radius-md, 8px);
+        font-size: var(--font-size-sm, 0.875rem);
+        color: var(--text-primary);
+        background: var(--surface-color, #fff);
+
+        &[aria-invalid='true'] {
+          border-color: var(--error-color);
+        }
+
+        &:disabled {
+          opacity: 0.6;
+        }
+      }
+
+      .field-error {
+        font-size: var(--font-size-xs, 0.75rem);
+        color: var(--error-color);
+      }
+
+      button {
+        padding: 10px 16px;
+        border: none;
+        border-radius: var(--radius-md, 8px);
+        background: var(--primary-color, #2563eb);
+        color: white;
+        font-weight: var(--font-weight-bold, 700);
+        cursor: pointer;
+
+        &:disabled {
+          opacity: 0.6;
+          cursor: default;
+        }
+      }
+    }
   }
 
   &.error {
diff --git a/src/app/pages/cart/cart.component.ts b/src/app/pages/cart/cart.component.ts
index 77ec385..a5cb02d 100644
--- a/src/app/pages/cart/cart.component.ts
+++ b/src/app/pages/cart/cart.component.ts
@@ -71,6 +71,7 @@ export class CartComponent implements OnDestroy {
   emailError = signal<string>('');
   phoneError = signal<string>('');
   emailSubmitting = signal<boolean>(false);
+  purchaseSubmitted = signal<boolean>(false);
   paidItems: CartItem[] = [];
   
   maxChecks = Math.ceil(PAYMENT_MIN_POLL_SECONDS / (PAYMENT_POLL_INTERVAL_MS / 1000));
@@ -219,6 +220,7 @@ export class CartComponent implements OnDestroy {
     this.emailError.set('');
     this.phoneError.set('');
     this.emailSubmitting.set(false);
+    this.purchaseSubmitted.set(false);
     this.paidItems = [...this.items()];
     this.createPayment(paymentMethod);
   }
@@ -439,29 +441,39 @@ export class CartComponent implements OnDestroy {
     });
   }
 
+  /**
+   * Fallback fired a few seconds after payment success if the user hasn't
+   * already submitted the email/phone form themselves (submitEmail()).
+   * Navigates home only once the submission result is known, never before -
+   * and sends whatever the user has typed so far instead of blank fields.
+   */
   private autoSubmitPurchase(): void {
-    setTimeout(() => {  
-      const lang = this.langService.currentLanguage();
-     this.router.navigate([`/${lang}`]);}, 0);
-    const telegramUserId = this.getTelegramUserId();
-    
-    // Telegram ID is mandatory
-    if (!telegramUserId) {
-      console.error('Cannot submit purchase: Telegram ID is required');
-      this.emailSubmitting.set(false);
+    if (this.purchaseSubmitted()) {
       return;
     }
-    
+
+    const telegramUserId = this.getTelegramUserId();
+
+    // Telegram ID is mandatory for submitPurchaseEmail.
+    if (!telegramUserId) {
+      this.notifications.show(this.i18n.t('cart.telegramIdMissing'), 'warning');
+      this.emailSubmitting.set(false);
+      this.closePaymentPopup();
+      const lang = this.langService.currentLanguage();
+      this.router.navigate([`/${lang}`]);
+      return;
+    }
+
     this.emailSubmitting.set(true);
-    
+
     const emailData = {
-      email: '',
-      phone: '',
+      email: this.userEmail().trim(),
+      phone: this.userPhone().replace(/\D/g, ''),
       telegramUserId: telegramUserId,
       items: this.paidItems.map((item: CartItem) => ({
         itemID: item.itemID,
         name: item.name,
-        price: item.discount > 0 
+        price: item.discount > 0
           ? item.price * (1 - item.discount / 100)
           : item.price,
         currency: item.currency,
@@ -469,9 +481,10 @@ export class CartComponent implements OnDestroy {
         ...(item.selectedDelivery ? { delivery: [item.selectedDelivery] } : {})
       }))
     };
-    
+
     this.apiService.submitPurchaseEmail(emailData).subscribe({
       next: () => {
+        this.purchaseSubmitted.set(true);
         this.emailSubmitting.set(false);
         this.closePaymentPopup();
         const lang = this.langService.currentLanguage();
@@ -487,8 +500,6 @@ export class CartComponent implements OnDestroy {
       }
     });
     this.paymentStatus.set(null);
-
-
   }
 
   copyPaymentLink(): void {
@@ -541,6 +552,11 @@ export class CartComponent implements OnDestroy {
     
     this.apiService.submitPurchaseEmail(emailData).subscribe({
       next: () => {
+        this.purchaseSubmitted.set(true);
+        if (this.closeTimeout) {
+          clearTimeout(this.closeTimeout);
+          this.closeTimeout = undefined;
+        }
         this.emailSubmitting.set(false);
         this.notifications.show(this.i18n.t('cart.emailSuccess'), 'success');
         // Close popup and redirect to home page