diff --git a/src/Core/Exceptions/AllegroApiException.php b/src/Core/Exceptions/AllegroApiException.php
new file mode 100644
index 0000000..5c04462
--- /dev/null
+++ b/src/Core/Exceptions/AllegroApiException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class AllegroApiException extends OrderProException
+{
+}
diff --git a/src/Core/Exceptions/AllegroOAuthException.php b/src/Core/Exceptions/AllegroOAuthException.php
new file mode 100644
index 0000000..bedc708
--- /dev/null
+++ b/src/Core/Exceptions/AllegroOAuthException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class AllegroOAuthException extends AllegroApiException
+{
+}
diff --git a/src/Core/Exceptions/ApaczkaApiException.php b/src/Core/Exceptions/ApaczkaApiException.php
new file mode 100644
index 0000000..bdd16d9
--- /dev/null
+++ b/src/Core/Exceptions/ApaczkaApiException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class ApaczkaApiException extends OrderProException
+{
+}
diff --git a/src/Core/Exceptions/IntegrationConfigException.php b/src/Core/Exceptions/IntegrationConfigException.php
new file mode 100644
index 0000000..5002151
--- /dev/null
+++ b/src/Core/Exceptions/IntegrationConfigException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class IntegrationConfigException extends OrderProException
+{
+}
diff --git a/src/Core/Exceptions/OrderProException.php b/src/Core/Exceptions/OrderProException.php
new file mode 100644
index 0000000..18e37f6
--- /dev/null
+++ b/src/Core/Exceptions/OrderProException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class OrderProException extends \RuntimeException
+{
+}
diff --git a/src/Core/Exceptions/ShipmentException.php b/src/Core/Exceptions/ShipmentException.php
new file mode 100644
index 0000000..9d417f9
--- /dev/null
+++ b/src/Core/Exceptions/ShipmentException.php
@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Core\Exceptions;
+
+class ShipmentException extends OrderProException
+{
+}
diff --git a/src/Modules/Settings/AllegroApiClient.php b/src/Modules/Settings/AllegroApiClient.php
index 729d221..3315bcd 100644
--- a/src/Modules/Settings/AllegroApiClient.php
+++ b/src/Modules/Settings/AllegroApiClient.php
@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace App\Modules\Settings;
 
-use RuntimeException;
+use App\Core\Exceptions\AllegroApiException;
 
 final class AllegroApiClient
 {
@@ -14,7 +14,7 @@ final class AllegroApiClient
     {
         $safeId = rawurlencode(trim($checkoutFormId));
         if ($safeId === '') {
-            throw new RuntimeException('Brak ID zamowienia Allegro do pobrania.');
+            throw new AllegroApiException('Brak ID zamowienia Allegro do pobrania.');
         }
 
         $url = rtrim($this->apiBaseUrl($environment), '/') . '/order/checkout-forms/' . $safeId;
@@ -45,7 +45,7 @@ final class AllegroApiClient
     {
         $safeId = rawurlencode(trim($checkoutFormId));
         if ($safeId === '') {
-            throw new RuntimeException('Brak ID zamowienia Allegro do pobrania przesylek.');
+            throw new AllegroApiException('Brak ID zamowienia Allegro do pobrania przesylek.');
         }
 
         $url = rtrim($this->apiBaseUrl($environment), '/') . '/order/checkout-forms/' . $safeId . '/shipments';
@@ -61,7 +61,7 @@ final class AllegroApiClient
     {
         $safeId = rawurlencode(trim($offerId));
         if ($safeId === '') {
-            throw new RuntimeException('Brak ID oferty Allegro do pobrania.');
+            throw new AllegroApiException('Brak ID oferty Allegro do pobrania.');
         }
 
         $url = rtrim($this->apiBaseUrl($environment), '/') . '/sale/product-offers/' . $safeId;
@@ -163,7 +163,7 @@ final class AllegroApiClient
 
         $ch = curl_init($url);
         if ($ch === false) {
-            throw new RuntimeException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
+            throw new AllegroApiException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
         }
 
         curl_setopt_array($ch, [
@@ -185,16 +185,16 @@ final class AllegroApiClient
         $ch = null;
 
         if ($responseBody === false) {
-            throw new RuntimeException('Blad polaczenia z API Allegro: ' . $curlError);
+            throw new AllegroApiException('Blad polaczenia z API Allegro: ' . $curlError);
         }
 
         $json = json_decode((string) $responseBody, true);
         if (!is_array($json)) {
-            throw new RuntimeException('Nieprawidlowy JSON odpowiedzi API Allegro.');
+            throw new AllegroApiException('Nieprawidlowy JSON odpowiedzi API Allegro.');
         }
 
         if ($httpCode === 401) {
-            throw new RuntimeException('ALLEGRO_HTTP_401');
+            throw new AllegroApiException('ALLEGRO_HTTP_401');
         }
 
         if ($httpCode < 200 || $httpCode >= 300) {
@@ -212,7 +212,7 @@ final class AllegroApiClient
             if ($message === '') {
                 $message = 'Blad API Allegro.';
             }
-            throw new RuntimeException('API Allegro HTTP ' . $httpCode . ': ' . $message);
+            throw new AllegroApiException('API Allegro HTTP ' . $httpCode . ': ' . $message);
         }
 
         return $json;
@@ -227,7 +227,7 @@ final class AllegroApiClient
 
         $ch = curl_init($url);
         if ($ch === false) {
-            throw new RuntimeException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
+            throw new AllegroApiException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
         }
 
         curl_setopt_array($ch, [
@@ -249,21 +249,21 @@ final class AllegroApiClient
         $ch = null;
 
         if ($responseBody === false) {
-            throw new RuntimeException('Blad polaczenia z API Allegro: ' . $curlError);
+            throw new AllegroApiException('Blad polaczenia z API Allegro: ' . $curlError);
         }
 
         if ($httpCode === 401) {
-            throw new RuntimeException('ALLEGRO_HTTP_401');
+            throw new AllegroApiException('ALLEGRO_HTTP_401');
         }
 
         if ($httpCode === 204) {
-            throw new RuntimeException('Brak etykiety dla podanej przesylki.');
+            throw new AllegroApiException('Brak etykiety dla podanej przesylki.');
         }
 
         if ($httpCode < 200 || $httpCode >= 300) {
             $json = json_decode((string) $responseBody, true);
             $message = is_array($json) ? trim((string) ($json['message'] ?? 'Blad API Allegro.')) : 'Blad API Allegro.';
-            throw new RuntimeException('API Allegro HTTP ' . $httpCode . ': ' . $message);
+            throw new AllegroApiException('API Allegro HTTP ' . $httpCode . ': ' . $message);
         }
 
         return (string) $responseBody;
@@ -276,7 +276,7 @@ final class AllegroApiClient
     {
         $ch = curl_init($url);
         if ($ch === false) {
-            throw new RuntimeException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
+            throw new AllegroApiException('Nie udalo sie zainicjowac polaczenia z API Allegro.');
         }
 
         curl_setopt_array($ch, [
@@ -296,21 +296,21 @@ final class AllegroApiClient
         $ch = null;
 
         if ($responseBody === false) {
-            throw new RuntimeException('Blad polaczenia z API Allegro: ' . $curlError);
+            throw new AllegroApiException('Blad polaczenia z API Allegro: ' . $curlError);
         }
 
         $json = json_decode((string) $responseBody, true);
         if (!is_array($json)) {
-            throw new RuntimeException('Nieprawidlowy JSON odpowiedzi API Allegro.');
+            throw new AllegroApiException('Nieprawidlowy JSON odpowiedzi API Allegro.');
         }
 
         if ($httpCode === 401) {
-            throw new RuntimeException('ALLEGRO_HTTP_401');
+            throw new AllegroApiException('ALLEGRO_HTTP_401');
         }
 
         if ($httpCode < 200 || $httpCode >= 300) {
             $message = trim((string) ($json['message'] ?? 'Blad API Allegro.'));
-            throw new RuntimeException('API Allegro HTTP ' . $httpCode . ': ' . $message);
+            throw new AllegroApiException('API Allegro HTTP ' . $httpCode . ': ' . $message);
         }
 
         return $json;
diff --git a/src/Modules/Settings/AllegroIntegrationController.php b/src/Modules/Settings/AllegroIntegrationController.php
index fb31e62..3029492 100644
--- a/src/Modules/Settings/AllegroIntegrationController.php
+++ b/src/Modules/Settings/AllegroIntegrationController.php
@@ -14,6 +14,7 @@ use App\Modules\Cron\CronRepository;
 use DateInterval;
 use DateTimeImmutable;
 use RuntimeException;
+use AppCoreExceptionsIntegrationConfigException;
 use Throwable;
 
 final class AllegroIntegrationController
@@ -701,7 +702,7 @@ final class AllegroIntegrationController
     {
         $credentials = $this->repository->getOAuthCredentials();
         if ($credentials === null) {
-            throw new RuntimeException($this->translator->get('settings.allegro.flash.credentials_missing'));
+            throw new IntegrationConfigException($this->translator->get('settings.allegro.flash.credentials_missing'));
         }
 
         return $credentials;
diff --git a/src/Modules/Settings/AllegroIntegrationRepository.php b/src/Modules/Settings/AllegroIntegrationRepository.php
index 3042e42..0ebe22d 100644
--- a/src/Modules/Settings/AllegroIntegrationRepository.php
+++ b/src/Modules/Settings/AllegroIntegrationRepository.php
@@ -5,7 +5,7 @@ namespace App\Modules\Settings;
 
 use App\Core\Support\StringHelper;
 use PDO;
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
 use Throwable;
 
 final class AllegroIntegrationRepository
@@ -104,7 +104,7 @@ final class AllegroIntegrationRepository
         $this->ensureRow($env);
         $current = $this->fetchRowByEnv($env);
         if ($current === null) {
-            throw new RuntimeException('Brak rekordu konfiguracji Allegro.');
+            throw new IntegrationConfigException('Brak rekordu konfiguracji Allegro.');
         }
 
         $clientSecret = trim((string) ($payload['client_secret'] ?? ''));
diff --git a/src/Modules/Settings/AllegroOAuthClient.php b/src/Modules/Settings/AllegroOAuthClient.php
index f5b341b..19d15c6 100644
--- a/src/Modules/Settings/AllegroOAuthClient.php
+++ b/src/Modules/Settings/AllegroOAuthClient.php
@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace App\Modules\Settings;
 
-use RuntimeException;
+use App\Core\Exceptions\AllegroOAuthException;
 
 final class AllegroOAuthClient
 {
@@ -62,7 +62,7 @@ final class AllegroOAuthClient
         $accessToken = trim((string) ($payload['access_token'] ?? ''));
         $refreshToken = trim((string) ($payload['refresh_token'] ?? ''));
         if ($accessToken === '' || $refreshToken === '') {
-            throw new RuntimeException('Allegro nie zwrocilo kompletu tokenow OAuth.');
+            throw new AllegroOAuthException('Allegro nie zwrocilo kompletu tokenow OAuth.');
         }
 
         return [
@@ -95,7 +95,7 @@ final class AllegroOAuthClient
 
         $accessToken = trim((string) ($payload['access_token'] ?? ''));
         if ($accessToken === '') {
-            throw new RuntimeException('Allegro nie zwrocilo access_token po odswiezeniu.');
+            throw new AllegroOAuthException('Allegro nie zwrocilo access_token po odswiezeniu.');
         }
 
         return [
@@ -138,7 +138,7 @@ final class AllegroOAuthClient
     ): array {
         $ch = curl_init($url);
         if ($ch === false) {
-            throw new RuntimeException('Nie udalo sie zainicjowac polaczenia OAuth z Allegro.');
+            throw new AllegroOAuthException('Nie udalo sie zainicjowac polaczenia OAuth z Allegro.');
         }
 
         curl_setopt_array($ch, [
@@ -160,18 +160,18 @@ final class AllegroOAuthClient
         $ch = null;
 
         if ($responseBody === false) {
-            throw new RuntimeException('Blad polaczenia OAuth z Allegro: ' . $curlError);
+            throw new AllegroOAuthException('Blad polaczenia OAuth z Allegro: ' . $curlError);
         }
 
         $json = json_decode((string) $responseBody, true);
         if (!is_array($json)) {
-            throw new RuntimeException('Nieprawidlowy JSON odpowiedzi OAuth Allegro.');
+            throw new AllegroOAuthException('Nieprawidlowy JSON odpowiedzi OAuth Allegro.');
         }
 
         if ($httpCode < 200 || $httpCode >= 300) {
             $error = trim((string) ($json['error'] ?? 'oauth_error'));
             $description = trim((string) ($json['error_description'] ?? 'Brak szczegolow bledu OAuth.'));
-            throw new RuntimeException('OAuth Allegro [' . $error . ']: ' . $description);
+            throw new AllegroOAuthException('OAuth Allegro [' . $error . ']: ' . $description);
         }
 
         return $json;
diff --git a/src/Modules/Settings/AllegroOrderImportService.php b/src/Modules/Settings/AllegroOrderImportService.php
index 9ce7104..3f3faad 100644
--- a/src/Modules/Settings/AllegroOrderImportService.php
+++ b/src/Modules/Settings/AllegroOrderImportService.php
@@ -7,6 +7,7 @@ use App\Core\Support\StringHelper;
 use App\Modules\Orders\OrderImportRepository;
 use App\Modules\Orders\OrdersRepository;
 use RuntimeException;
+use AppCoreExceptionsAllegroApiException;
 use Throwable;
 
 final class AllegroOrderImportService
@@ -28,7 +29,7 @@ final class AllegroOrderImportService
     {
         $orderId = trim($checkoutFormId);
         if ($orderId === '') {
-            throw new RuntimeException('Podaj ID zamowienia Allegro.');
+            throw new AllegroApiException('Podaj ID zamowienia Allegro.');
         }
 
         [$accessToken, $env] = $this->tokenManager->resolveToken();
@@ -101,7 +102,7 @@ final class AllegroOrderImportService
     {
         $checkoutFormId = trim((string) ($payload['id'] ?? ''));
         if ($checkoutFormId === '') {
-            throw new RuntimeException('Odpowiedz Allegro nie zawiera ID zamowienia.');
+            throw new AllegroApiException('Odpowiedz Allegro nie zawiera ID zamowienia.');
         }
 
         $status = trim((string) ($payload['status'] ?? ''));
diff --git a/src/Modules/Settings/AllegroOrdersSyncService.php b/src/Modules/Settings/AllegroOrdersSyncService.php
index fcae563..da54c59 100644
--- a/src/Modules/Settings/AllegroOrdersSyncService.php
+++ b/src/Modules/Settings/AllegroOrdersSyncService.php
@@ -6,6 +6,7 @@ namespace App\Modules\Settings;
 use App\Core\Support\StringHelper;
 use DateTimeImmutable;
 use RuntimeException;
+use AppCoreExceptionsIntegrationConfigException;
 use Throwable;
 
 final class AllegroOrdersSyncService
@@ -42,7 +43,7 @@ final class AllegroOrdersSyncService
 
         $integrationId = $this->integrationRepository->getActiveIntegrationId();
         if ($integrationId <= 0) {
-            throw new RuntimeException('Brak aktywnej integracji bazowej Allegro.');
+            throw new IntegrationConfigException('Brak aktywnej integracji bazowej Allegro.');
         }
 
         $now = new DateTimeImmutable('now');
diff --git a/src/Modules/Settings/AllegroTokenManager.php b/src/Modules/Settings/AllegroTokenManager.php
index 85d9b83..4f4377f 100644
--- a/src/Modules/Settings/AllegroTokenManager.php
+++ b/src/Modules/Settings/AllegroTokenManager.php
@@ -5,7 +5,7 @@ namespace App\Modules\Settings;
 
 use DateInterval;
 use DateTimeImmutable;
-use RuntimeException;
+use AppCorexceptionsAllegroOAuthException;
 use Throwable;
 
 final class AllegroTokenManager
@@ -23,7 +23,7 @@ final class AllegroTokenManager
     {
         $oauth = $this->repository->getTokenCredentials();
         if ($oauth === null) {
-            throw new RuntimeException('Brak polaczenia OAuth Allegro. Polacz konto w Ustawieniach.');
+            throw new AllegroOAuthException('Brak polaczenia OAuth Allegro. Polacz konto w Ustawieniach.');
         }
 
         $env = (string) ($oauth['environment'] ?? 'sandbox');
@@ -55,7 +55,7 @@ final class AllegroTokenManager
     {
         $oauth = $this->repository->getTokenCredentials();
         if ($oauth === null) {
-            throw new RuntimeException('Brak danych OAuth Allegro.');
+            throw new AllegroOAuthException('Brak danych OAuth Allegro.');
         }
 
         $token = $this->oauthClient->refreshAccessToken(
@@ -89,7 +89,7 @@ final class AllegroTokenManager
         $updated = $this->repository->getTokenCredentials();
         $newToken = trim((string) ($updated['access_token'] ?? ''));
         if ($newToken === '') {
-            throw new RuntimeException('Nie udalo sie odswiezyc tokenu Allegro.');
+            throw new AllegroOAuthException('Nie udalo sie odswiezyc tokenu Allegro.');
         }
 
         return [$newToken, (string) ($updated['environment'] ?? 'sandbox')];
diff --git a/src/Modules/Settings/ApaczkaApiClient.php b/src/Modules/Settings/ApaczkaApiClient.php
index fe33379..d16574f 100644
--- a/src/Modules/Settings/ApaczkaApiClient.php
+++ b/src/Modules/Settings/ApaczkaApiClient.php
@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace App\Modules\Settings;
 
-use RuntimeException;
+use AppCorexceptionsApaczkaApiException;
 
 final class ApaczkaApiClient
 {
@@ -68,14 +68,14 @@ final class ApaczkaApiClient
     {
         $normalizedRoute = trim($route, " \t\n\r\0\x0B/");
         if ($normalizedRoute === '') {
-            throw new RuntimeException('Nie podano endpointu API Apaczka.');
+            throw new ApaczkaApiException('Nie podano endpointu API Apaczka.');
         }
         $routeWithTrailingSlash = $normalizedRoute . '/';
 
         $expires = (string) (time() + 60);
         $requestJson = json_encode($request);
         if (!is_string($requestJson)) {
-            throw new RuntimeException('Nie mozna zakodowac payloadu Apaczka.');
+            throw new ApaczkaApiException('Nie mozna zakodowac payloadu Apaczka.');
         }
 
         $basePayload = [
@@ -107,11 +107,11 @@ final class ApaczkaApiClient
             }
 
             if ($httpCode < 200 || $httpCode >= 300) {
-                throw new RuntimeException('API Apaczka HTTP ' . $httpCode . ': ' . $message);
+                throw new ApaczkaApiException('API Apaczka HTTP ' . $httpCode . ': ' . $message);
             }
             if ($status !== 200) {
                 $responsePreview = substr(json_encode($decoded, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '', 0, 240);
-                throw new RuntimeException(
+                throw new ApaczkaApiException(
                     'Blad API Apaczka (status ' . $status . '): ' . $message . '. Odpowiedz: ' . $responsePreview
                 );
             }
@@ -122,12 +122,12 @@ final class ApaczkaApiClient
         if ($lastSignatureError !== null) {
             [$decoded, $status, $message] = $lastSignatureError;
             $responsePreview = substr(json_encode($decoded, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '', 0, 240);
-            throw new RuntimeException(
+            throw new ApaczkaApiException(
                 'Blad API Apaczka (status ' . $status . '): ' . $message . '. Odpowiedz: ' . $responsePreview
             );
         }
 
-        throw new RuntimeException('Blad API Apaczka.');
+        throw new ApaczkaApiException('Blad API Apaczka.');
     }
 
     private function buildSignature(
@@ -177,7 +177,7 @@ final class ApaczkaApiClient
         $url = rtrim(self::API_BASE_URL, '/') . '/' . ltrim($endpointPath, '/');
         $ch = curl_init($url);
         if ($ch === false) {
-            throw new RuntimeException('Nie udalo sie zainicjowac polaczenia z API Apaczka.');
+            throw new ApaczkaApiException('Nie udalo sie zainicjowac polaczenia z API Apaczka.');
         }
 
         curl_setopt_array($ch, [
@@ -199,14 +199,14 @@ final class ApaczkaApiClient
         unset($ch);
 
         if ($rawBody === false) {
-            throw new RuntimeException('Blad polaczenia z API Apaczka: ' . $curlError);
+            throw new ApaczkaApiException('Blad polaczenia z API Apaczka: ' . $curlError);
         }
 
         $normalizedBody = ltrim((string) $rawBody, "\xEF\xBB\xBF \t\n\r\0\x0B");
         $decoded = json_decode($normalizedBody, true);
         if (!is_array($decoded)) {
             $snippet = substr(trim(strip_tags($normalizedBody)), 0, 180);
-            throw new RuntimeException(
+            throw new ApaczkaApiException(
                 'Nieprawidlowa odpowiedz API Apaczka (brak JSON, HTTP ' . $httpCode . '). Fragment: ' . $snippet
             );
         }
diff --git a/src/Modules/Settings/ApaczkaIntegrationRepository.php b/src/Modules/Settings/ApaczkaIntegrationRepository.php
index 8a63dab..53fc58a 100644
--- a/src/Modules/Settings/ApaczkaIntegrationRepository.php
+++ b/src/Modules/Settings/ApaczkaIntegrationRepository.php
@@ -4,7 +4,7 @@ declare(strict_types=1);
 namespace App\Modules\Settings;
 
 use PDO;
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
 use Throwable;
 
 final class ApaczkaIntegrationRepository
@@ -56,12 +56,12 @@ final class ApaczkaIntegrationRepository
 
         $row = $this->fetchRow();
         if ($row === null) {
-            throw new RuntimeException('Brak rekordu konfiguracji Apaczka.');
+            throw new IntegrationConfigException('Brak rekordu konfiguracji Apaczka.');
         }
 
         $appId = trim((string) ($payload['app_id'] ?? ''));
         if ($appId === '') {
-            throw new RuntimeException('Podaj App ID Apaczka.');
+            throw new IntegrationConfigException('Podaj App ID Apaczka.');
         }
 
         $currentEncrypted = $this->resolveSecretEncrypted($row, $this->integrations->findById($integrationId));
@@ -72,7 +72,7 @@ final class ApaczkaIntegrationRepository
         }
 
         if ($nextEncrypted === null || $nextEncrypted === '') {
-            throw new RuntimeException('Podaj App Secret Apaczka.');
+            throw new IntegrationConfigException('Podaj App Secret Apaczka.');
         }
 
         $stmt = $this->pdo->prepare(
@@ -129,7 +129,7 @@ final class ApaczkaIntegrationRepository
     {
         $credentials = $this->getApiCredentials();
         if ($credentials === null) {
-            throw new RuntimeException('Brak konfiguracji App ID/App Secret Apaczka.');
+            throw new IntegrationConfigException('Brak konfiguracji App ID/App Secret Apaczka.');
         }
 
         return $apiClient->getServiceStructure(
diff --git a/src/Modules/Settings/InpostIntegrationRepository.php b/src/Modules/Settings/InpostIntegrationRepository.php
index 5207d98..eea8e7f 100644
--- a/src/Modules/Settings/InpostIntegrationRepository.php
+++ b/src/Modules/Settings/InpostIntegrationRepository.php
@@ -5,7 +5,7 @@ namespace App\Modules\Settings;
 
 use App\Core\Support\StringHelper;
 use PDO;
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
 use Throwable;
 
 final class InpostIntegrationRepository
@@ -65,7 +65,7 @@ final class InpostIntegrationRepository
         $this->ensureRow();
         $current = $this->fetchRow();
         if ($current === null) {
-            throw new RuntimeException('Brak rekordu konfiguracji InPost.');
+            throw new IntegrationConfigException('Brak rekordu konfiguracji InPost.');
         }
 
         $integrationId = $this->ensureBaseIntegration();
diff --git a/src/Modules/Settings/IntegrationSecretCipher.php b/src/Modules/Settings/IntegrationSecretCipher.php
index 27e7e94..22c73f9 100644
--- a/src/Modules/Settings/IntegrationSecretCipher.php
+++ b/src/Modules/Settings/IntegrationSecretCipher.php
@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace App\Modules\Settings;
 
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
 
 final class IntegrationSecretCipher
 {
@@ -18,7 +18,7 @@ final class IntegrationSecretCipher
             return null;
         }
         if ($this->secret === '') {
-            throw new RuntimeException('Brak INTEGRATIONS_SECRET do szyfrowania danych integracji.');
+            throw new IntegrationConfigException('Brak INTEGRATIONS_SECRET do szyfrowania danych integracji.');
         }
 
         $encryptionKey = hash('sha256', 'enc|' . $this->secret, true);
@@ -26,7 +26,7 @@ final class IntegrationSecretCipher
         $iv = random_bytes(16);
         $cipherRaw = openssl_encrypt($value, 'AES-256-CBC', $encryptionKey, OPENSSL_RAW_DATA, $iv);
         if ($cipherRaw === false) {
-            throw new RuntimeException('Nie udalo sie zaszyfrowac danych integracji.');
+            throw new IntegrationConfigException('Nie udalo sie zaszyfrowac danych integracji.');
         }
 
         $mac = hash_hmac('sha256', $iv . $cipherRaw, $hmacKey, true);
@@ -36,7 +36,7 @@ final class IntegrationSecretCipher
     public function decrypt(string $encrypted): ?string
     {
         if ($this->secret === '') {
-            throw new RuntimeException('Brak INTEGRATIONS_SECRET do odszyfrowania danych integracji.');
+            throw new IntegrationConfigException('Brak INTEGRATIONS_SECRET do odszyfrowania danych integracji.');
         }
 
         if (!str_starts_with($encrypted, 'v1:')) {
diff --git a/src/Modules/Settings/ShopproIntegrationsRepository.php b/src/Modules/Settings/ShopproIntegrationsRepository.php
index 26ccb2d..1109663 100644
--- a/src/Modules/Settings/ShopproIntegrationsRepository.php
+++ b/src/Modules/Settings/ShopproIntegrationsRepository.php
@@ -5,7 +5,7 @@ namespace App\Modules\Settings;
 
 use App\Core\Support\StringHelper;
 use PDO;
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
 use Throwable;
 
 final class ShopproIntegrationsRepository
@@ -154,7 +154,7 @@ final class ShopproIntegrationsRepository
         if ($integrationId > 0) {
             $existing = $this->findIntegration($integrationId);
             if ($existing === null) {
-                throw new RuntimeException('INTEGRATION_NOT_FOUND');
+                throw new IntegrationConfigException('INTEGRATION_NOT_FOUND');
             }
 
             $encryptedApiKey = trim((string) ($existing['api_key_encrypted'] ?? ''));
diff --git a/src/Modules/Shipments/AllegroShipmentService.php b/src/Modules/Shipments/AllegroShipmentService.php
index ce6eaed..e9910e3 100644
--- a/src/Modules/Shipments/AllegroShipmentService.php
+++ b/src/Modules/Shipments/AllegroShipmentService.php
@@ -8,6 +8,8 @@ use App\Modules\Settings\AllegroApiClient;
 use App\Modules\Settings\AllegroTokenManager;
 use App\Modules\Settings\CompanySettingsRepository;
 use RuntimeException;
+use AppCoreExceptionsIntegrationConfigException;
+use AppCoreExceptionsShipmentException;
 use Throwable;
 
 final class AllegroShipmentService implements ShipmentProviderInterface
@@ -44,7 +46,7 @@ final class AllegroShipmentService implements ShipmentProviderInterface
     {
         $order = $this->ordersRepository->findDetails($orderId);
         if ($order === null) {
-            throw new RuntimeException('Zamowienie nie znalezione.');
+            throw new ShipmentException('Zamowienie nie znalezione.');
         }
 
         $company = $this->companySettings->getSettings();
@@ -53,7 +55,7 @@ final class AllegroShipmentService implements ShipmentProviderInterface
 
         $deliveryMethodId = trim((string) ($formData['delivery_method_id'] ?? ''));
         if ($deliveryMethodId === '') {
-            throw new RuntimeException('Nie podano metody dostawy.');
+            throw new ShipmentException('Nie podano metody dostawy.');
         }
 
         $receiverAddress = $this->buildReceiverAddress($order, $formData);
@@ -177,12 +179,12 @@ final class AllegroShipmentService implements ShipmentProviderInterface
     {
         $package = $this->packages->findById($packageId);
         if ($package === null) {
-            throw new RuntimeException('Paczka nie znaleziona.');
+            throw new ShipmentException('Paczka nie znaleziona.');
         }
 
         $commandId = trim((string) ($package['command_id'] ?? ''));
         if ($commandId === '') {
-            throw new RuntimeException('Brak command_id dla tej paczki.');
+            throw new ShipmentException('Brak command_id dla tej paczki.');
         }
 
         [$accessToken, $env] = $this->tokenManager->resolveToken();
@@ -238,12 +240,12 @@ final class AllegroShipmentService implements ShipmentProviderInterface
     {
         $package = $this->packages->findById($packageId);
         if ($package === null) {
-            throw new RuntimeException('Paczka nie znaleziona.');
+            throw new ShipmentException('Paczka nie znaleziona.');
         }
 
         $shipmentId = trim((string) ($package['shipment_id'] ?? ''));
         if ($shipmentId === '') {
-            throw new RuntimeException('Przesylka nie zostala jeszcze utworzona.');
+            throw new ShipmentException('Przesylka nie zostala jeszcze utworzona.');
         }
 
         [$accessToken, $env] = $this->tokenManager->resolveToken();
@@ -346,14 +348,14 @@ final class AllegroShipmentService implements ShipmentProviderInterface
         $required = ['street', 'city', 'postalCode', 'phone', 'email'];
         foreach ($required as $field) {
             if (trim((string) ($sender[$field] ?? '')) === '') {
-                throw new RuntimeException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak: ' . $field . ').');
+                throw new IntegrationConfigException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak: ' . $field . ').');
             }
         }
 
         $name = trim((string) ($sender['name'] ?? ''));
         $company = trim((string) ($sender['company'] ?? ''));
         if ($name === '' && $company === '') {
-            throw new RuntimeException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak nazwy/firmy).');
+            throw new IntegrationConfigException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak nazwy/firmy).');
         }
     }
 
diff --git a/src/Modules/Shipments/ApaczkaShipmentService.php b/src/Modules/Shipments/ApaczkaShipmentService.php
index 3a30583..8b3b0fd 100644
--- a/src/Modules/Shipments/ApaczkaShipmentService.php
+++ b/src/Modules/Shipments/ApaczkaShipmentService.php
@@ -7,7 +7,8 @@ use App\Modules\Orders\OrdersRepository;
 use App\Modules\Settings\ApaczkaApiClient;
 use App\Modules\Settings\ApaczkaIntegrationRepository;
 use App\Modules\Settings\CompanySettingsRepository;
-use RuntimeException;
+use AppCorexceptionsIntegrationConfigException;
+use AppCorexceptionsShipmentException;
 use Throwable;
 
 final class ApaczkaShipmentService implements ShipmentProviderInterface
@@ -48,7 +49,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
     {
         $order = $this->ordersRepository->findDetails($orderId);
         if ($order === null) {
-            throw new RuntimeException('Zamowienie nie znalezione.');
+            throw new ShipmentException('Zamowienie nie znalezione.');
         }
 
         [$appId, $appSecret] = $this->requireCredentials();
@@ -61,7 +62,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
 
         $deliveryMethodId = trim((string) ($formData['delivery_method_id'] ?? ''));
         if ($deliveryMethodId === '') {
-            throw new RuntimeException('Nie podano uslugi Apaczka.');
+            throw new ShipmentException('Nie podano uslugi Apaczka.');
         }
 
         $serviceDefinition = $this->resolveServiceDefinition($appId, $appSecret, $deliveryMethodId);
@@ -153,7 +154,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
                 'status' => 'error',
                 'error_message' => $errorMessage,
             ]);
-            throw new RuntimeException($errorMessage, 0, $exception);
+            throw new ShipmentException($errorMessage, 0, $exception);
         }
 
         $orderResponse = is_array($response['response']['order'] ?? null) ? $response['response']['order'] : [];
@@ -180,7 +181,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
     {
         $package = $this->packages->findById($packageId);
         if ($package === null) {
-            throw new RuntimeException('Paczka nie znaleziona.');
+            throw new ShipmentException('Paczka nie znaleziona.');
         }
 
         $shipmentId = max(0, (int) ($package['shipment_id'] ?? 0));
@@ -213,12 +214,12 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
     {
         $package = $this->packages->findById($packageId);
         if ($package === null) {
-            throw new RuntimeException('Paczka nie znaleziona.');
+            throw new ShipmentException('Paczka nie znaleziona.');
         }
 
         $shipmentId = max(0, (int) ($package['shipment_id'] ?? 0));
         if ($shipmentId <= 0) {
-            throw new RuntimeException('Przesylka nie zostala jeszcze utworzona.');
+            throw new ShipmentException('Przesylka nie zostala jeszcze utworzona.');
         }
 
         [$appId, $appSecret] = $this->requireCredentials();
@@ -243,12 +244,12 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
             $base64 = trim((string) ($waybillRaw['data'] ?? ''));
         }
         if ($base64 === '') {
-            throw new RuntimeException('Apaczka nie zwrocila danych etykiety.');
+            throw new ShipmentException('Apaczka nie zwrocila danych etykiety.');
         }
 
         $binary = base64_decode($base64, true);
         if (!is_string($binary) || $binary === '') {
-            throw new RuntimeException('Nie mozna odczytac etykiety Apaczka.');
+            throw new ShipmentException('Nie mozna odczytac etykiety Apaczka.');
         }
 
         $dir = rtrim($storagePath, '/\\') . '/labels';
@@ -292,7 +293,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
         $appSecret = trim((string) ($credentials['app_secret'] ?? ''));
 
         if ($appId === '' || $appSecret === '') {
-            throw new RuntimeException('Brak konfiguracji Apaczka (app_id/app_secret).');
+            throw new IntegrationConfigException('Brak konfiguracji Apaczka (app_id/app_secret).');
         }
 
         return [$appId, $appSecret];
@@ -409,7 +410,7 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
         }
 
         if ($name === '' || $street === '' || $city === '' || $postalCode === '' || $countryCode === '') {
-            throw new RuntimeException('Brak wymaganych danych adresowych odbiorcy.');
+            throw new ShipmentException('Brak wymaganych danych adresowych odbiorcy.');
         }
 
         $receiver = [
@@ -663,13 +664,13 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
         $serviceName = trim((string) ($serviceDefinition['name'] ?? ''));
 
         if ($requiresReceiverPoint && $receiverPoint === '') {
-            throw new RuntimeException(
+            throw new ShipmentException(
                 'Wybrana usluga Apaczka (' . ($serviceName !== '' ? $serviceName : 'ID')
                 . ') wymaga punktu odbioru (`receiver_point_id`).'
             );
         }
         if ($requiresSenderPoint && $senderPoint === '') {
-            throw new RuntimeException(
+            throw new ShipmentException(
                 'Wybrana usluga Apaczka (' . ($serviceName !== '' ? $serviceName : 'ID')
                 . ') wymaga punktu nadania (`sender_point_id`).'
             );
@@ -865,18 +866,18 @@ final class ApaczkaShipmentService implements ShipmentProviderInterface
         $required = ['street', 'city', 'postalCode', 'phone', 'email'];
         foreach ($required as $field) {
             if (trim((string) ($sender[$field] ?? '')) === '') {
-                throw new RuntimeException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak: ' . $field . ').');
+                throw new IntegrationConfigException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak: ' . $field . ').');
             }
         }
 
         $name = trim((string) ($sender['name'] ?? ''));
         $company = trim((string) ($sender['company'] ?? ''));
         if ($name === '' && $company === '') {
-            throw new RuntimeException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak nazwy/firmy).');
+            throw new IntegrationConfigException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak nazwy/firmy).');
         }
         $contactPerson = trim((string) ($sender['contactPerson'] ?? $name ?? ''));
         if ($contactPerson === '') {
-            throw new RuntimeException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak osoby kontaktowej).');
+            throw new IntegrationConfigException('Uzupelnij dane nadawcy w Ustawienia > Dane firmy (brak osoby kontaktowej).');
         }
     }
 }
diff --git a/src/Modules/Shipments/ShipmentController.php b/src/Modules/Shipments/ShipmentController.php
index 35cbe18..e2e6af6 100644
--- a/src/Modules/Shipments/ShipmentController.php
+++ b/src/Modules/Shipments/ShipmentController.php
@@ -13,7 +13,7 @@ use App\Modules\Auth\AuthService;
 use App\Modules\Orders\OrdersRepository;
 use App\Modules\Settings\CarrierDeliveryMethodMappingRepository;
 use App\Modules\Settings\CompanySettingsRepository;
-use RuntimeException;
+use AppCorexceptionsShipmentException;
 use Throwable;
 
 final class ShipmentController
@@ -167,7 +167,7 @@ final class ShipmentController
             }
             $provider = $this->providerRegistry->get($providerCode);
             if ($provider === null) {
-                throw new RuntimeException('Nieznany provider przesylek: ' . $providerCode);
+                throw new ShipmentException('Nieznany provider przesylek: ' . $providerCode);
             }
 
             $result = $provider->createShipment($orderId, [
@@ -280,13 +280,13 @@ final class ShipmentController
         try {
             $package = $this->packageRepository->findById($packageId);
             if ($package === null) {
-                throw new RuntimeException('Paczka nie znaleziona.');
+                throw new ShipmentException('Paczka nie znaleziona.');
             }
 
             $providerCode = strtolower(trim((string) ($package['provider'] ?? 'allegro_wza')));
             $provider = $this->providerRegistry->get($providerCode);
             if ($provider === null) {
-                throw new RuntimeException('Brak providera: ' . $providerCode);
+                throw new ShipmentException('Brak providera: ' . $providerCode);
             }
 
             $result = $provider->downloadLabel($packageId, $this->storagePath);