diff --git a/public/i18n/en.json b/public/i18n/en.json
index dc91bc0..7899000 100644
--- a/public/i18n/en.json
+++ b/public/i18n/en.json
@@ -47,7 +47,9 @@
     "modal_paid_title": "Paid",
     "modal_paid_sub": "fastCHECK successfully accepted.",
     "share_email": "Send by email",
-    "share_tg": "Send via Telegram"
+    "share_tg": "Send via Telegram",
+    "modal_loggedin_title": "Signed in",
+    "modal_loggedin_sub": "You are now signed in to fastCHECK."
   },
   "create": {
     "title": "New",
diff --git a/public/i18n/hy.json b/public/i18n/hy.json
index b1596a3..93fb2c9 100644
--- a/public/i18n/hy.json
+++ b/public/i18n/hy.json
@@ -47,7 +47,9 @@
     "modal_paid_title": "Վճարված է",
     "modal_paid_sub": "fastCHECK-ը հաջողությամբ ընդունված է:",
     "share_email": "Ուղարկել էլ. նամակով",
-    "share_tg": "Ուղարկել Telegram-ով"
+    "share_tg": "Ուղարկել Telegram-ով",
+    "modal_loggedin_title": "Մուտք գործել",
+    "modal_loggedin_sub": "Դուք մուտք գործել եք fastCHECK:"
   },
   "create": {
     "title": "Նոր",
diff --git a/public/i18n/ru.json b/public/i18n/ru.json
index d4a025b..837bac6 100644
--- a/public/i18n/ru.json
+++ b/public/i18n/ru.json
@@ -47,7 +47,9 @@
     "modal_paid_title": "Оплачено",
     "modal_paid_sub": "fastCHECK успешно принят.",
     "share_email": "Отправить на почту",
-    "share_tg": "Отправить в Telegram"
+    "share_tg": "Отправить в Telegram",
+    "modal_loggedin_title": "Вы вошли",
+    "modal_loggedin_sub": "Вы авторизованы в fastCHECK."
   },
   "create": {
     "title": "Новый",
diff --git a/public/logo_big.png b/public/logo_big.png
index 1bec9be..188e680 100644
Binary files a/public/logo_big.png and b/public/logo_big.png differ
diff --git a/src/app/pages/fastcheck-page/fastcheck-page.html b/src/app/pages/fastcheck-page/fastcheck-page.html
index 614d6d4..72a4de9 100644
--- a/src/app/pages/fastcheck-page/fastcheck-page.html
+++ b/src/app/pages/fastcheck-page/fastcheck-page.html
@@ -133,11 +133,16 @@
                stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round">
             <path d="M20 6L9 17l-5-5" />
           </svg>
-          <h2 class="modal__title">{{ 'fastcheck.modal_paid_title' | translate }}</h2>
-          <p class="modal__sub">
-            <span class="brand"><span class="brand__fast">fast</span><span class="brand__check">CHECK</span></span>
-            {{ 'fastcheck.modal_paid_sub' | translate }}
-          </p>
+          @if (loginOnly()) {
+            <h2 class="modal__title">{{ 'fastcheck.modal_loggedin_title' | translate }}</h2>
+            <p class="modal__sub">{{ 'fastcheck.modal_loggedin_sub' | translate }}</p>
+          } @else {
+            <h2 class="modal__title">{{ 'fastcheck.modal_paid_title' | translate }}</h2>
+            <p class="modal__sub">
+              <span class="brand"><span class="brand__fast">fast</span><span class="brand__check">CHECK</span></span>
+              {{ 'fastcheck.modal_paid_sub' | translate }}
+            </p>
+          }
         </div>
       } @else {
         <img class="brand-logo brand-logo--small" src="/logo_small.png"
diff --git a/src/app/pages/fastcheck-page/fastcheck-page.ts b/src/app/pages/fastcheck-page/fastcheck-page.ts
index 554eb33..55326d4 100644
--- a/src/app/pages/fastcheck-page/fastcheck-page.ts
+++ b/src/app/pages/fastcheck-page/fastcheck-page.ts
@@ -56,6 +56,8 @@ export class FastcheckPage {
   popupError = signal<string>('');
   webSessionId = signal<string>('');
   paid = signal<boolean>(false);
+  loginOnly = signal<boolean>(false);
+  sessionToken = signal<string>(localStorage.getItem('fc_session') ?? '');
   private pollHandle: ReturnType<typeof setInterval> | null = null;
   private lastLookedUpNumber = '';
 
@@ -113,6 +115,7 @@ export class FastcheckPage {
       return;
     }
     this.error.set('');
+    this.loginOnly.set(false);
     this.openPopup();
   }
 
@@ -122,6 +125,32 @@ export class FastcheckPage {
     this.paid.set(false);
     this.popupLoading.set(true);
 
+    const existing = this.sessionToken();
+    if (existing) {
+      this.http.get<WebSessionResponse>(`${FASTCHECK_API}/websession/${existing}`).subscribe({
+        next: (res) => {
+          if (res?.Status) {
+            this.popupLoading.set(false);
+            this.webSessionId.set(existing);
+            if (this.loginOnly()) {
+              this.paid.set(true);
+            } else {
+              this.acceptFastcheck(existing);
+            }
+          } else {
+            this.sessionToken.set('');
+            this.createNewSession();
+          }
+        },
+        error: () => { this.sessionToken.set(''); this.createNewSession(); }
+      });
+      return;
+    }
+
+    this.createNewSession();
+  }
+
+  private createNewSession(): void {
     this.http.get<WebSessionResponse>(`${FASTCHECK_API}/websession`).subscribe({
       next: (res) => {
         this.popupLoading.set(false);
@@ -142,13 +171,20 @@ export class FastcheckPage {
   closePopup(): void {
     this.popupOpen.set(false);
     this.stopPolling();
-    if (this.webSessionId()) {
+    if (this.loginOnly() && this.paid()) {
+      // Keep session alive — user is logged in, preserve token for next action.
+      const tok = this.webSessionId();
+      localStorage.setItem('fc_session', tok);
+      this.sessionToken.set(tok);
+    } else if (this.webSessionId()) {
       // Best-effort logout; ignore errors.
       this.http
         .request('DELETE', `${FASTCHECK_API}/websession/${this.webSessionId()}`, {
           body: { sessionId: this.webSessionId() }
         })
         .subscribe({ error: () => undefined });
+      localStorage.removeItem('fc_session');
+      this.sessionToken.set('');
     }
     this.webSessionId.set('');
   }
@@ -162,7 +198,11 @@ export class FastcheckPage {
           next: (res) => {
             if (res?.Status) {
               this.stopPolling();
-              this.acceptFastcheck(sessionId);
+              if (this.loginOnly()) {
+                this.paid.set(true);
+              } else {
+                this.acceptFastcheck(sessionId);
+              }
             }
           },
           error: () => undefined
@@ -285,9 +325,7 @@ export class FastcheckPage {
   }
 
   shareByTelegram(): void {
-    const num = this.fastcheckNumber();
-    const amount = this.fastcheckAmount();
-    const text = encodeURIComponent(`fastCHECK: ${num} — ${amount} ₽`);
-    window.open(`https://t.me/share/url?url=https%3A%2F%2Fqr.vitanova.network%2F&text=${text}`, '_blank');
+    this.loginOnly.set(true);
+    this.openPopup();
   }
 }