diff --git a/.env.example b/.env.example
index 6bb5c5e..09c9a0e 100644
--- a/.env.example
+++ b/.env.example
@@ -164,6 +164,7 @@ WEB_SERVER_PORT=8080
 
 # Admin Panel Log Pagination
 LOGS_PAGE_SIZE=10                                                             # Number of events in the log
+LOG_LEVEL=INFO                                                            # Global log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
 
 # Admin Logging Configuration
 LOG_CHAT_ID=-1001234567890                                                    # Telegram chat/group ID for admin notifications
diff --git a/bot/handlers/user/payment.py b/bot/handlers/user/payment.py
index d6567d3..05fc6de 100644
--- a/bot/handlers/user/payment.py
+++ b/bot/handlers/user/payment.py
@@ -164,8 +164,10 @@ async def process_successful_payment(session: AsyncSession, bot: Bot,
         should_send_nalogo_receipt = bool(
             nalogo_service
             and nalogo_service.configured
+            and payment_info_from_webhook.get("paid") is True
+            and payment_info_from_webhook.get("status") == "succeeded"
             and payment_before_update
-            and not payment_before_update.yookassa_payment_id
+            and payment_before_update.status != "succeeded"
         )
         # Try to capture and save payment method for future charges if available
         try:
diff --git a/config/settings.py b/config/settings.py
index 08eebb2..12fa831 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -497,9 +497,22 @@ class Settings(BaseSettings):
         return methods or default_order
     
     # Logging Configuration
+    LOG_LEVEL: str = Field(
+        default="INFO",
+        description="Global log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)",
+    )
     LOG_CHAT_ID: Optional[int] = Field(default=None, description="Telegram chat/group ID for sending notifications")
     LOG_THREAD_ID: Optional[int] = Field(default=None, description="Thread ID for supergroup messages (optional)")
     
+    @field_validator('LOG_LEVEL', mode='before')
+    @classmethod
+    def normalize_log_level(cls, v):
+        if isinstance(v, str):
+            v = v.strip().upper()
+        if not v:
+            return "INFO"
+        return v
+
     @field_validator('LOG_CHAT_ID', 'LOG_THREAD_ID', mode='before')
     @classmethod
     def validate_optional_int_fields(cls, v):
diff --git a/main.py b/main.py
index c2744ed..9bff597 100644
--- a/main.py
+++ b/main.py
@@ -1,5 +1,6 @@
 import asyncio
 import logging
+import os
 import sys
 
 from dotenv import load_dotenv
@@ -9,6 +10,21 @@ from config.settings import get_settings, Settings
 from db.database_setup import init_db, init_db_connection
 
 
+def _resolve_log_level(value: str) -> int:
+    if not value:
+        return logging.INFO
+    if isinstance(value, str):
+        normalized = value.strip()
+        if not normalized:
+            return logging.INFO
+        if normalized.isdigit():
+            return int(normalized)
+        level = getattr(logging, normalized.upper(), None)
+        if isinstance(level, int):
+            return level
+    return logging.INFO
+
+
 async def main():
     load_dotenv()
     settings = get_settings()
@@ -25,8 +41,9 @@ async def main():
 
 
 if __name__ == "__main__":
+    load_dotenv()
     logging.basicConfig(
-        level=logging.INFO,
+        level=_resolve_log_level(os.getenv("LOG_LEVEL", "INFO")),
         stream=sys.stdout,
         format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
     try: