diff --git a/app/config.py b/app/config.py
index 8471cfb..e342491 100644
--- a/app/config.py
+++ b/app/config.py
@@ -4,6 +4,7 @@ from dotenv import load_dotenv
 load_dotenv()
 
 BOT_TOKEN = os.getenv("BOT_TOKEN")
+ADMIN_PASSWORD = os.getenv("ADMIN_PASSWORD", "admin123")
 
 if not BOT_TOKEN:
     raise ValueError("BOT_TOKEN not found in environment")
diff --git a/app/handlers/admin.py b/app/handlers/admin.py
index 58c1156..dc18246 100644
--- a/app/handlers/admin.py
+++ b/app/handlers/admin.py
@@ -1,56 +1,60 @@
+"""Admin handler for spa-telegram-bot — secure with password."""
 from aiogram import Router, F
 from aiogram.types import Message, CallbackQuery
-from aiogram.filters import Command
+from aiogram.filters import Command, CommandObject
 from app.db.memory import load_bookings
-from app.config import ADMIN_IDS
-from app.keyboards.menu import menu
+from app.config import ADMIN_IDS, ADMIN_PASSWORD
 from app.logger import logger
 
 router = Router()
 
 
-def is_admin(user_id: int) -> bool:
-    return user_id in ADMIN_IDS
+def is_admin(user_id: int, password: str | None = None) -> bool:
+    """Check if user is admin: by user_id or by password."""
+    if user_id in ADMIN_IDS:
+        return True
+    if password and password == ADMIN_PASSWORD:
+        return True
+    return False
 
 
 @router.message(Command("admin"))
-async def admin_panel(message: Message):
-    if not is_admin(message.from_user.id):
-        await message.answer(
-            "⛔️ Доступ запрещен"
-        )
+async def admin_panel(message: Message, command: CommandObject):
+    uid = message.from_user.id
+
+    # Get password from command args
+    password = command.args
+
+    if not is_admin(uid, password=password):
+        # Silent — no hint about how to get in
         return
 
-    logger.info("Admin {uid} opened admin panel", uid=message.from_user.id)
+    logger.info("Admin {uid} opened admin panel", uid=uid)
 
     bookings = load_bookings()
     active = [b for b in bookings if b.get("status") == "active"]
 
     if not active:
-        await message.answer(
-            "📋 Активных записей нет"
-        )
+        await message.answer("📋 Активных записей нет")
         return
 
     from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
 
     for booking in active:
-        buttons = [
-            [
-                InlineKeyboardButton(
-                    text="❌ Отменить",
-                    callback_data=f"admin_cancel_{booking['id']}"
-                )
-            ]
-        ]
+        buttons = [[
+            InlineKeyboardButton(
+                text="❌ Отменить",
+                callback_data=f"admin_cancel_{booking['id']}"
+            )
+        ]]
         user_name = booking.get("user_name") or f"id{booking['user_id']}"
         await message.answer(
             f"📋 Запись #{booking['id']}\n"
             f"👤 Клиент: {user_name}\n"
-            f"💆 Услуга: {booking['service']}\n"
-            f"👤 Мастер: {booking['master']}\n"
-            f"📅 Дата: {booking['date']}\n"
-            f"🕒 Время: {booking['time']}",
+            f"💆 Услуги: {booking.get('service', '?')}\n"
+            f"👤 Мастер: {booking.get('master', '?')}\n"
+            f"📅 Дата: {booking.get('date', '?')}\n"
+            f"🕒 Время: {booking.get('time', '?')}",
             reply_markup=InlineKeyboardMarkup(inline_keyboard=buttons)
         )
 
@@ -58,7 +62,7 @@ async def admin_panel(message: Message):
 @router.callback_query(F.data.startswith("admin_cancel_"))
 async def admin_cancel_booking(callback: CallbackQuery):
     if not is_admin(callback.from_user.id):
-        await callback.answer("⛔️ Нет доступа")
+        await callback.answer("⛔ Нет доступа")
         return
 
     booking_id = int(callback.data.split("_")[2])