diff --git a/.env b/.env
deleted file mode 100644
index bde5482..0000000
--- a/.env
+++ /dev/null
@@ -1 +0,0 @@
-BOT_TOKEN=8918896220:AAHuo36Lo9PEeXVNongKJbr2WLZn5xxy1GQ
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..039cd6e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+.env
+.venv/
+__pycache__/
+*.py[cod]
+.DS_Store
+.idea/
+.vscode/
+*.egg-info/
+dist/
+build/
diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/config.py b/app/config.py
index 27036cd..e342491 100644
--- a/app/config.py
+++ b/app/config.py
@@ -4,6 +4,29 @@ 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 не найден")
\ No newline at end of file
+    raise ValueError("BOT_TOKEN not found in environment")
+
+# Services catalog
+SERVICES = {
+    "service_massage": "💪 Массаж",
+    "service_spa": "🎈 SPA",
+    "service_cosmetology": "💄 Косметология",
+}
+
+# Masters list
+MASTERS = {
+    "master_anna": "👸 Анна",
+    "master_maria": "💃 Мария",
+    "master_alex": "🧑‍⚖️ Алексей",
+}
+
+# Available time slots
+TIME_SLOTS = [
+    "09:00", "10:00", "11:00",
+    "12:00", "13:00", "14:00",
+    "15:00", "16:00", "17:00",
+    "18:00",
+]
diff --git a/app/db/__init__.py b/app/db/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/db/memory.py b/app/db/memory.py
index 481f953..85a2e89 100644
--- a/app/db/memory.py
+++ b/app/db/memory.py
@@ -1,2 +1,111 @@
-users = {}
-bookings = []
\ No newline at end of file
+import json
+from app.logger import logger
+from pathlib import Path
+
+DB_DIR = Path(__file__).resolve().parent.parent.parent / "data"
+DB_DIR.mkdir(exist_ok=True)
+
+USERS_FILE = DB_DIR / "users.json"
+BOOKINGS_FILE = DB_DIR / "bookings.json"
+
+
+def _load_json(path, default):
+    if path.exists():
+        try:
+            with open(path, "r", encoding="utf-8") as fh:
+                return json.load(fh)
+        except (json.JSONDecodeError, OSError):
+            return default
+    return default
+
+
+def _save_json(path, data):
+    with open(path, "w", encoding="utf-8") as fh:
+        json.dump(data, fh, ensure_ascii=False, indent=2)
+
+
+def load_users():
+    return _load_json(USERS_FILE, {})
+
+
+def save_users(users):
+    _save_json(USERS_FILE, users)
+
+
+def get_user(user_id):
+    users = load_users()
+    return users.get(str(user_id))
+
+
+def set_user(user_id, data):
+    users = load_users()
+    users[str(user_id)] = data
+    save_users(users)
+
+
+def load_bookings():
+    return _load_json(BOOKINGS_FILE, [])
+
+
+def save_bookings(bookings):
+    from app.logger import logger
+    logger.debug("save_bookings: saving {n} bookings", n=len(bookings))
+    _save_json(BOOKINGS_FILE, bookings)
+
+
+def create_booking(user_id, service, master, date, time, user_name=""):
+    from app.logger import logger
+    logger.debug("create_booking called: uid={uid}, svc={svc}, master={mst}, date={dt}, time={tm}", uid=user_id, svc=service, mst=master, dt=date, tm=time)
+    bookings = load_bookings()
+    booking = {
+        "id": len(bookings) + 1,
+        "user_id": user_id,
+        "user_name": user_name,
+        "service": service,
+        "master": master,
+        "date": date,
+        "time": time,
+        "status": "active",
+    }
+    bookings.append(booking)
+    _save_json(BOOKINGS_FILE, bookings)
+    return booking
+
+
+def get_busy_times(master, date):
+    bookings = load_bookings()
+    return [
+        b["time"] for b in bookings
+        if b["master"] == master and b["date"] == date and b["status"] == "active"
+    ]
+
+
+def get_user_bookings(user_id):
+    bookings = load_bookings()
+    return [
+        b for b in bookings
+        if b["user_id"] == user_id and b["status"] == "active"
+    ]
+
+
+def cancel_booking(booking_id):
+    bookings = load_bookings()
+    for b in bookings:
+        if b["id"] == booking_id:
+            b["status"] = "cancelled"
+            _save_json(BOOKINGS_FILE, bookings)
+            return True
+    return False
+
+
+def update_booking(booking_id, service, master, date, time):
+    bookings = load_bookings()
+    for b in bookings:
+        if b["id"] == booking_id:
+            b["service"] = service
+            b["master"] = master
+            b["date"] = date
+            b["time"] = time
+            save_bookings(bookings)
+            return b
+    return None
diff --git a/app/handlers/__init__.py b/app/handlers/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/handlers/about.py b/app/handlers/about.py
index c590b5d..17c0ece 100644
--- a/app/handlers/about.py
+++ b/app/handlers/about.py
@@ -1,10 +1,11 @@
 from aiogram import Router, F
 from aiogram.types import Message
+from app.logger import logger
 from aiogram.fsm.context import FSMContext
 
 router = Router()
 
-@router.message(F.text == "ℹ️ О компании")
+@router.message(F.text == "ℹ️ О нас")
 async def about(message: Message, state: FSMContext):
     await state.clear()  # 🔥 СБРОС FSM
 
diff --git a/app/handlers/admin.py b/app/handlers/admin.py
new file mode 100644
index 0000000..c2320ed
--- /dev/null
+++ b/app/handlers/admin.py
@@ -0,0 +1,81 @@
+"""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, CommandObject
+from app.db.memory import load_bookings
+from app.config import ADMIN_PASSWORD
+from app.logger import logger
+
+router = Router()
+
+ADMIN_IDS = {991309145}
+# Store approved sessions — user_ids that passed password check
+_approved = set()
+
+
+def is_admin(user_id: int, password: str | None = None) -> bool:
+    """Check if user is admin: by user_id, by password, or by approved session."""
+    if user_id in ADMIN_IDS:
+        return True
+    if user_id in _approved:
+        return True
+    if password and password == ADMIN_PASSWORD:
+        _approved.add(user_id)
+        return True
+    return False
+
+
+@router.message(Command("admin"))
+async def admin_panel(message: Message, command: CommandObject):
+    uid = message.from_user.id
+    password = command.args
+
+    if not is_admin(uid, password=password):
+        return  # Silent
+
+    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")
+        return
+
+    from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+
+    for booking in active:
+        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"💆 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)
+        )
+
+
+@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")
+        return
+
+    booking_id = int(callback.data.split("_")[2])
+    logger.info("Admin {uid} cancelled booking #{bid}", uid=callback.from_user.id, bid=booking_id)
+
+    from app.db.memory import cancel_booking
+    cancel_booking(booking_id)
+
+    await callback.message.edit_text(
+        f"✅ Запись #{booking_id} отменена админом"
+    )
+    await callback.answer("Запись отменена")
diff --git a/app/handlers/booking.py b/app/handlers/booking.py
index f2afef0..09157af 100644
--- a/app/handlers/booking.py
+++ b/app/handlers/booking.py
@@ -1,15 +1,37 @@
+import re
+
 from aiogram import Router, F
-from aiogram.types import Message
 from aiogram.fsm.context import FSMContext
 from aiogram.filters import StateFilter
-
+from aiogram.types import Message, CallbackQuery
+from app.keyboards.services import get_services_keyboard, get_extra_services_keyboard
+from app.keyboards.masters import get_masters_keyboard
 from app.states.booking import BookingState
-from app.services.booking_service import create_booking
+from app.services.booking_service import (
+    create_booking,
+    update_booking,
+    get_busy_times,
+    is_slot_busy,
+    cleanup_cancelled
+)
 from app.keyboards.menu import menu, cancel_menu
+from app.keyboards.calendar import get_dates_keyboard
+from app.keyboards.time_slots import get_time_keyboard
+from app.keyboards.confirm_booking import get_confirm_booking_keyboard
+from app.logger import logger
 
 router = Router()
 
 
+def _services_to_str(data):
+    """Combine main + extra services into one string."""
+    main = data.get("service", "?")
+    extra = data.get("extra_services", [])
+    if extra:
+        return main + ", " + ", ".join(extra)
+    return main
+
+
 # отмена записи на любом шаге
 @router.message(F.text.lower() == "отмена")
 async def cancel(message: Message, state: FSMContext):
@@ -24,99 +46,295 @@ async def cancel(message: Message, state: FSMContext):
 @router.message(F.text == "📅 Записаться")
 async def start_booking(message: Message, state: FSMContext):
     await state.clear()
-
     await state.set_state(BookingState.service)
-
     await message.answer(
-        "Выберите услугу:\n"
-        "1. Массаж\n"
-        "2. SPA\n"
-        "3. Косметология",
-        reply_markup=cancel_menu
+        "Выберите услугу:",
+        reply_markup=get_services_keyboard()
     )
 
 
-# выбор услуги
-@router.message(StateFilter(BookingState.service))
-async def choose_service(message: Message, state: FSMContext):
+# выбор первой услуги
+@router.callback_query(
+    StateFilter(BookingState.service),
+    F.data.startswith("service_")
+)
+async def choose_service(callback: CallbackQuery, state: FSMContext):
+    from app.config import SERVICES
 
-    forbidden = [
-        "📅 Записаться",
-        "👤 Профиль",
-        "📖 Мои записи",
-        "ℹ️ О компании",
-        "📞 Контакты"
-    ]
+    service_name = SERVICES[callback.data]
+    logger.debug("User {uid} selected first service: {srv}", uid=callback.from_user.id, srv=service_name)
 
-    if message.text in forbidden:
-        await message.answer(
-            "⚠️ Сначала завершите запись или напишите 'отмена'"
+    await state.update_data(service=service_name, extra_services=[])
+    await state.set_state(BookingState.extra_services)
+
+    await callback.message.edit_text(
+        "✅ Выбрано: " + service_name + "\n\n"
+        "Хотите добавить ещё услугу?\n"
+        "Нажмите нужную или «Готово»:",
+        reply_markup=get_extra_services_keyboard()
+    )
+    await callback.answer()
+
+
+# выбор дополнительных услуг
+@router.callback_query(
+    StateFilter(BookingState.extra_services),
+    F.data.startswith("extra_")
+)
+async def choose_extra_service(callback: CallbackQuery, state: FSMContext):
+    from app.config import SERVICES
+
+    if callback.data == "extra_done":
+        # Go to master selection
+        await state.set_state(BookingState.master)
+        await callback.message.edit_text(
+            "👤 Выберите специалиста:",
+            reply_markup=get_masters_keyboard()
         )
+        await callback.answer()
         return
 
-    await state.update_data(service=message.text)
+    # Toggle extra service
+    actual_key = callback.data.replace("extra_", "", 1)
+    service_name = SERVICES.get(actual_key)
+    if not service_name:
+        await callback.answer("Услуга не найдена")
+        return
 
+    data = await state.get_data()
+    extra = data.get("extra_services", [])
+
+    if service_name in extra:
+        extra.remove(service_name)
+        logger.debug("User {uid} removed extra service: {srv}", uid=callback.from_user.id, srv=service_name)
+    else:
+        extra.append(service_name)
+        logger.debug("User {uid} added extra service: {srv}", uid=callback.from_user.id, srv=service_name)
+
+    await state.update_data(extra_services=extra)
+
+    data = await state.get_data()
+    services_text = _services_to_str(data)
+
+    await callback.message.edit_text(
+        "✅ Выбрано: " + services_text + "\n\n"
+        "Хотите добавить ещё услугу?\n"
+        "Нажмите нужную или «Готово»:",
+        reply_markup=get_extra_services_keyboard(extra)
+    )
+    await callback.answer()
+
+
+# выбор мастера
+@router.callback_query(
+    StateFilter(BookingState.master),
+    F.data.startswith("master_")
+)
+async def choose_master(callback: CallbackQuery, state: FSMContext):
+    from app.config import MASTERS
+
+    master_name = MASTERS[callback.data]
+    logger.debug("User {uid} selected master: {m}", uid=callback.from_user.id, m=master_name)
+
+    await state.update_data(master=master_name)
     await state.set_state(BookingState.date)
 
-    await message.answer(
-        "Введите дату (например 20.06)"
+    await callback.message.edit_text(
+        "📅 Выберите дату:",
+        reply_markup=get_dates_keyboard()
     )
+    await callback.answer()
 
 
 # выбор даты
-@router.message(StateFilter(BookingState.date))
-async def choose_date(message: Message, state: FSMContext):
+@router.callback_query(
+    StateFilter(BookingState.date),
+    F.data.startswith("date_")
+)
+async def choose_date(callback: CallbackQuery, state: FSMContext):
+    selected_date = callback.data.replace("date_", "")
 
-    forbidden = [
-        "📅 Записаться",
-        "👤 Профиль",
-        "📖 Мои записи",
-        "ℹ️ О компании",
-        "📞 Контакты"
-    ]
-
-    if message.text in forbidden:
-        await message.answer(
-            "⚠️ Сначала завершите запись или напишите 'отмена'"
-        )
-        return
-
-    await state.update_data(date=message.text)
+    await state.update_data(date=selected_date)
+    logger.debug("User {uid} selected date: {d}", uid=callback.from_user.id, d=selected_date)
 
     data = await state.get_data()
+    busy_times = await get_busy_times(master=data.get("master", "?"), date=selected_date)
+
+    await state.set_state(BookingState.time)
+
+    await callback.message.edit_text(
+        "🕒 Выберите время:",
+        reply_markup=get_time_keyboard(busy_times)
+    )
+    await callback.answer()
+
+
+# выбор времени
+@router.callback_query(
+    StateFilter(BookingState.time),
+    F.data.startswith("time_")
+)
+async def choose_time(callback: CallbackQuery, state: FSMContext):
+    selected_time = callback.data.replace("time_", "")
+
+    await state.update_data(time=selected_time)
+    logger.debug("User {uid} selected time: {t}", uid=callback.from_user.id, t=selected_time)
+
+    data = await state.get_data()
+    services_str = _services_to_str(data)
 
     await state.set_state(BookingState.confirm)
 
-    await message.answer(
-        f"Услуга: {data['service']}\n"
-        f"Дата: {data['date']}\n\n"
-        f"Напишите 'да' для подтверждения"
+    await callback.message.edit_text(
+        "📋 Проверьте запись:\n\n"
+        f"💆 Услуги: {services_str}\n"
+        f"📅 Дата: {data.get('date', '?')}\n"
+        f"👤 Мастер: {data.get('master', '?')}\n"
+        f"🕒 Время: {selected_time}",
+        reply_markup=get_confirm_booking_keyboard()
     )
+    await callback.answer()
 
 
 # подтверждение
-@router.message(StateFilter(BookingState.confirm))
-async def confirm_booking(message: Message, state: FSMContext):
-
-    if message.text.lower() != "да":
-        await state.clear()
-
-        await message.answer(
-            "❌ Запись отменена",
-            reply_markup=menu
-        )
-
+@router.callback_query(
+    StateFilter(BookingState.confirm),
+    F.data == "confirm_booking"
+)
+async def confirm_booking_callback(callback: CallbackQuery, state: FSMContext):
     data = await state.get_data()
+    logger.info("User {uid} confirmed booking: {data}", uid=callback.from_user.id, data=data)
 
-    create_booking(
-        user_id=message.from_user.id,
-        service=data["service"],
-        date=data["date"]
-    )
+    services_str = _services_to_str(data)
+    editing_booking_id = data.get("editing_booking_id")
+
+    if editing_booking_id:
+        await update_booking(
+            booking_id=editing_booking_id,
+            service=services_str,
+            master=data.get("master", "?"),
+            date=data.get("date", "?"),
+            time=data.get("time", "?")
+        )
+        result_text = "✅ Запись успешно обновлена"
+    else:
+        master = data.get("master", "?")
+        date = data.get("date", "?")
+        time = data.get("time", "?")
+
+        if await is_slot_busy(master, date, time):
+            logger.warning("Slot already busy: {mst} {dt} {tm}", mst=master, dt=date, tm=time)
+            await callback.message.edit_text("❌ Это время уже занято. Пожалуйста, выберите другое время.")
+            await state.clear()
+            await callback.answer()
+            return
+
+        await create_booking(
+            user_id=callback.from_user.id,
+            service=services_str,
+            master=master,
+            date=date,
+            time=time,
+            user_name=callback.from_user.full_name or callback.from_user.username or str(callback.from_user.id)
+        )
+        cleanup_cancelled()
+        result_text = "✅ Запись успешно создана"
 
     await state.clear()
+    await callback.message.edit_text(result_text)
+    await callback.answer()
 
-    await message.answer(
-        "✅ Вы успешно записаны!",
-        reply_markup=menu
-    )
\ No newline at end of file
+
+@router.callback_query(
+    StateFilter(BookingState.confirm),
+    F.data == "cancel_booking"
+)
+async def cancel_booking_callback(callback: CallbackQuery, state: FSMContext):
+    await state.clear()
+    await callback.message.edit_text("❌ Запись отменена")
+    await callback.answer()
+
+
+@router.callback_query(
+    StateFilter(BookingState.confirm),
+    F.data == "edit_booking"
+)
+async def edit_booking_callback(callback: CallbackQuery, state: FSMContext):
+    old_data = await state.get_data()
+    await state.clear()
+    await state.update_data(service=old_data.get("service"))
+    await state.set_state(BookingState.service)
+
+    await callback.message.edit_text(
+        "Выберите услугу:",
+        reply_markup=get_services_keyboard()
+    )
+
+
+@router.callback_query(F.data == "go_back")
+async def go_back_handler(callback: CallbackQuery, state: FSMContext):
+    current_state = await state.get_state()
+
+    if current_state == BookingState.extra_services:
+        # Back to first service
+        await state.set_state(BookingState.service)
+        data = await state.get_data()
+        data.pop("extra_services", None)
+        data.pop("service", None)
+        await state.set_data(data)
+        await callback.message.edit_text(
+            "Выберите услугу:",
+            reply_markup=get_services_keyboard()
+        )
+
+    elif current_state == BookingState.master:
+        # Back to extra services
+        await state.set_state(BookingState.extra_services)
+        data = await state.get_data()
+        extra = data.get("extra_services", [])
+        services_text = _services_to_str(data)
+        await callback.message.edit_text(
+            "✅ Выбрано: " + services_text + "\n\n"
+            "Хотите добавить ещё услугу?\n"
+            "Нажмите нужную или «Готово»:",
+            reply_markup=get_extra_services_keyboard(extra)
+        )
+
+    elif current_state == BookingState.date:
+        await state.set_state(BookingState.master)
+        data = await state.get_data()
+        data.pop("date", None)
+        data.pop("time", None)
+        await state.set_data(data)
+        await callback.message.edit_text(
+            "👤 Выберите специалиста:",
+            reply_markup=get_masters_keyboard()
+        )
+
+    elif current_state == BookingState.time:
+        await state.set_state(BookingState.date)
+        data = await state.get_data()
+        data.pop("time", None)
+        await state.set_data(data)
+        await callback.message.edit_text(
+            "📅 Выберите дату:",
+            reply_markup=get_dates_keyboard()
+        )
+
+    elif current_state == BookingState.confirm:
+        await state.set_state(BookingState.time)
+        data = await state.get_data()
+        busy_times = await get_busy_times(
+            master=data.get("master", "?"),
+            date=data.get("date", "?")
+        )
+        await callback.message.edit_text(
+            "🕒 Выберите время:",
+            reply_markup=get_time_keyboard(busy_times)
+        )
+
+    else:
+        await state.clear()
+        await callback.message.edit_text("Отмена записи")
+
+    await callback.answer()
diff --git a/app/handlers/contacts.py b/app/handlers/contacts.py
index 762ff45..d6ea583 100644
--- a/app/handlers/contacts.py
+++ b/app/handlers/contacts.py
@@ -1,5 +1,6 @@
 from aiogram import Router, F
 from aiogram.types import Message
+from app.logger import logger
 from aiogram.fsm.context import FSMContext
 
 router = Router()
diff --git a/app/handlers/mybookings.py b/app/handlers/mybookings.py
index cf560f3..c6467f8 100644
--- a/app/handlers/mybookings.py
+++ b/app/handlers/mybookings.py
@@ -1,28 +1,88 @@
 from aiogram import Router, F
-from aiogram.types import Message
+from aiogram.types import Message, CallbackQuery
 from aiogram.fsm.context import FSMContext
 
-from app.db.memory import bookings
+from app.db.memory import get_user_bookings, cancel_booking, update_booking
+from app.keyboards.menu import menu
+from app.keyboards.my_booking import get_booking_actions
+from app.logger import logger
 
 router = Router()
 
-@router.message(F.text == "📖 Мои записи")
-async def my_bookings(message: Message, state: FSMContext):
-    await state.clear()
 
-    user_id = message.from_user.id
+@router.message(
+    F.text == "📄 Мои записи"
+)
+async def my_bookings(
+        message: Message
+):
+    logger.info("User {uid} opened My Bookings", uid=message.from_user.id)
+    try:
+        bookings = get_user_bookings(
+            message.from_user.id
+        )
+        logger.debug("Found {n} bookings", n=len(bookings))
 
-    user_bookings = [
-        b for b in bookings if b["user_id"] == user_id
-    ]
+        if not bookings:
+            await message.answer(
+                "У вас нет активных записей"
+            )
+            return
 
-    if not user_bookings:
-        await message.answer("У вас нет записей")
-        return
+        for booking in bookings:
+            svc = booking["service"]
+            mst = booking["master"]
+            dat = booking["date"]
+            tim = booking["time"]
+            text = "💆 " + svc + "\n"
+            text += "👤 " + mst + "\n"
+            text += "📅 " + dat + "\n"
+            text += "🕒 " + tim
+            await message.answer(
+                text,
+                reply_markup=get_booking_actions(
+                    booking["id"]
+                )
+            )
+    except Exception as e:
+        logger.exception("Error in my_bookings: {error}", error=e)
+        await message.answer(
+            "Произошла ошибка. Попробуйте позже."
+        )
 
-    text = "📖 Ваши записи:\n\n"
 
-    for b in user_bookings:
-        text += f"💆 {b['service']} — 📅 {b['date']}\n"
+@router.callback_query(
+    F.data.startswith("cancel_booking_")
+)
+async def cancel_booking_handler(callback: CallbackQuery):
+    booking_id = int(callback.data.split("_")[2])
+    logger.info("User {uid} cancelled booking #{bid}", uid=callback.from_user.id, bid=booking_id)
+    cancel_booking(
+        booking_id
+    )
+    await callback.message.edit_text(
+        "Запись отменена"
+    )
+    await callback.answer()
 
-    await message.answer(text)
\ No newline at end of file
+
+@router.callback_query(
+    F.data.startswith("edit_booking_")
+)
+async def edit_booking_handler(
+        callback: CallbackQuery,
+        state: FSMContext
+):
+    booking_id = int(callback.data.split("_")[2])
+
+    update_booking(
+        booking_id=booking_id,
+        service="",
+        master="",
+        date="",
+        time=""
+    )
+
+    await callback.answer(
+        "Редактирование не поддерживается"
+    )
diff --git a/app/handlers/profile.py b/app/handlers/profile.py
index 206793a..d04d06e 100644
--- a/app/handlers/profile.py
+++ b/app/handlers/profile.py
@@ -2,18 +2,17 @@ from aiogram import Router, F
 from aiogram.types import Message
 from aiogram.fsm.context import FSMContext
 
-from app.db.memory import users
+from app.db.memory import get_user
+from app.logger import logger
 
 router = Router()
 
+
 @router.message(F.text == "👤 Профиль")
 async def profile(message: Message, state: FSMContext):
     await state.clear()
-
-    user = users.get(message.from_user.id)
-
+    user = get_user(message.from_user.id)
     if not user:
         await message.answer("Профиль не найден")
         return
-
-    await message.answer(f"👤 Имя: {user['name']}")
\ No newline at end of file
+    await message.answer(f"👤 Имя: {user['name']}")
diff --git a/app/handlers/services.py b/app/handlers/services.py
index ac5e150..931807f 100644
--- a/app/handlers/services.py
+++ b/app/handlers/services.py
@@ -1,2 +1,23 @@
-from aiogram import Router
-router = Router()
\ No newline at end of file
+from aiogram import Router, F
+from aiogram.types import Message
+from aiogram.fsm.context import FSMContext
+
+from app.keyboards.menu import menu
+from app.keyboards.services import get_services_keyboard
+from app.logger import logger
+
+router = Router()
+
+
+@router.message(F.text == "\U0001f4cb \u0423\u0441\u043b\u0443\u0433\u0438")
+async def show_services(message: Message, state: FSMContext):
+    await state.clear()
+    logger.info("User {uid} requested services list", uid=message.from_user.id)
+    await message.answer(
+        "\U0001f4cb \u041d\u0430\u0448\u0438 \u0443\u0441\u043b\u0443\u0433\u0438:\n\n"
+        "\U0001f4aa \u041c\u0430\u0441\u0441\u0430\u0436 - \u0440\u0430\u0441\u0441\u043b\u0430\u0431\u043b\u044f\u044e\u0449\u0438\u0439 \u0438 \u043b\u0435\u0447\u0435\u0431\u043d\u044b\u0439\n"
+        "\U0001f388 SPA - \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b\n"
+        "\U0001f484 \u041a\u043e\u0441\u043c\u0435\u0442\u043e\u043b\u043e\u0433\u0438\u044f - \u0443\u0445\u043e\u0434 \u0437\u0430 \u043b\u0438\u0446\u043e\u043c\n\n"
+        "\u0427\u0442\u043e\u0431\u044b \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f, \u043d\u0430\u0436\u043c\u0438\u0442\u0435 \u00ab\u0417\u0430\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f\u00bb",
+        reply_markup=get_services_keyboard()
+    )
diff --git a/app/handlers/start.py b/app/handlers/start.py
index bf8cdda..a1b9e18 100644
--- a/app/handlers/start.py
+++ b/app/handlers/start.py
@@ -3,17 +3,19 @@ from aiogram.filters import CommandStart
 from aiogram.types import Message
 
 from app.keyboards.menu import menu
-from app.db.memory import users
+from app.db.memory import get_user, set_user
+from app.logger import logger
 
 router = Router()
 
+
 @router.message(CommandStart())
 async def start(message: Message):
-    users[message.from_user.id] = {
-        "name": message.from_user.full_name
-    }
+    user_id = message.from_user.id
+    if not get_user(user_id):
+        set_user(user_id, {"name": message.from_user.full_name})
 
     await message.answer(
         "👋 Добро пожаловать в Demo Bot",
-        reply_markup=menu
-    )
\ No newline at end of file
+        reply_markup=menu,
+    )
diff --git a/app/keyboards/__init__.py b/app/keyboards/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/keyboards/back.py b/app/keyboards/back.py
new file mode 100644
index 0000000..66eeb56
--- /dev/null
+++ b/app/keyboards/back.py
@@ -0,0 +1,5 @@
+from aiogram.types import InlineKeyboardButton
+
+
+def get_back_button():
+    return [InlineKeyboardButton(text="◀ Назад", callback_data="go_back")]
diff --git a/app/keyboards/calendar.py b/app/keyboards/calendar.py
new file mode 100644
index 0000000..3653fe8
--- /dev/null
+++ b/app/keyboards/calendar.py
@@ -0,0 +1,26 @@
+from app.keyboards.back import get_back_button
+from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+from datetime import datetime, timedelta
+
+
+def get_dates_keyboard():
+    buttons = []
+
+    today = datetime.now()
+
+    for i in range(7):
+        day = today + timedelta(days=i)
+
+        buttons.append(
+            [
+                InlineKeyboardButton(
+                    text=day.strftime("%d.%m"),
+                    callback_data=f"date_{day.strftime('%d.%m')}"
+                )
+            ]
+        )
+
+    buttons.append(get_back_button())
+    return InlineKeyboardMarkup(
+        inline_keyboard=buttons
+    )
\ No newline at end of file
diff --git a/app/keyboards/confirm_booking.py b/app/keyboards/confirm_booking.py
new file mode 100644
index 0000000..8f7a28a
--- /dev/null
+++ b/app/keyboards/confirm_booking.py
@@ -0,0 +1,28 @@
+from aiogram.types import InlineKeyboardMarkup
+from aiogram.types import InlineKeyboardButton
+
+
+def get_confirm_booking_keyboard():
+
+    return InlineKeyboardMarkup(
+        inline_keyboard=[
+            [
+                InlineKeyboardButton(
+                    text="✅ Подтвердить",
+                    callback_data="confirm_booking"
+                )
+            ],
+            [
+                InlineKeyboardButton(
+                    text="✏️ Изменить",
+                    callback_data="edit_booking"
+                )
+            ],
+            [
+                InlineKeyboardButton(
+                    text="❌ Отменить",
+                    callback_data="cancel_booking"
+                )
+            ]
+        ]
+    )
\ No newline at end of file
diff --git a/app/keyboards/masters.py b/app/keyboards/masters.py
new file mode 100644
index 0000000..76ff2d8
--- /dev/null
+++ b/app/keyboards/masters.py
@@ -0,0 +1,14 @@
+from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+from app.config import MASTERS
+
+
+from app.keyboards.back import get_back_button
+
+
+def get_masters_keyboard():
+    buttons = [
+        [InlineKeyboardButton(text=name, callback_data=key)]
+        for key, name in MASTERS.items()
+    ]
+    buttons.append(get_back_button())
+    return InlineKeyboardMarkup(inline_keyboard=buttons)
diff --git a/app/keyboards/menu.py b/app/keyboards/menu.py
index 66debc4..a8022b0 100644
--- a/app/keyboards/menu.py
+++ b/app/keyboards/menu.py
@@ -1,25 +1,21 @@
 from aiogram.types import ReplyKeyboardMarkup, KeyboardButton
 
-# Главное меню
 menu = ReplyKeyboardMarkup(
     keyboard=[
-        [KeyboardButton(text="📅 Записаться")],
-        [
-            KeyboardButton(text="👤 Профиль"),
-            KeyboardButton(text="📖 Мои записи")
-        ],
-        [
-            KeyboardButton(text="ℹ️ О компании"),
-            KeyboardButton(text="📞 Контакты")
-        ]
+        [KeyboardButton(text="📋 Услуги"),
+         KeyboardButton(text="📅 Записаться")],
+        [KeyboardButton(text="👤 Профиль"),
+         KeyboardButton(text="📄 Мои записи")],
+        [KeyboardButton(text="📞 Контакты"),
+         KeyboardButton(text="ℹ️ О нас")],
+    ],
+    resize_keyboard=True,
+    input_field_placeholder="Выберите действие..."
+)
+
+cancel_menu = ReplyKeyboardMarkup(
+    keyboard=[
+        [KeyboardButton(text="❌ Отмена")]
     ],
     resize_keyboard=True
 )
-
-# Меню во время записи
-cancel_menu = ReplyKeyboardMarkup(
-    keyboard=[
-        [KeyboardButton(text="Отмена")]
-    ],
-    resize_keyboard=True
-)
\ No newline at end of file
diff --git a/app/keyboards/my_booking.py b/app/keyboards/my_booking.py
new file mode 100644
index 0000000..c161135
--- /dev/null
+++ b/app/keyboards/my_booking.py
@@ -0,0 +1,25 @@
+from aiogram.types import (
+    InlineKeyboardMarkup,
+    InlineKeyboardButton
+)
+
+
+def get_booking_actions(
+        booking_id: int
+):
+    return InlineKeyboardMarkup(
+        inline_keyboard=[
+            [
+                InlineKeyboardButton(
+                    text="✏️ Изменить",
+                    callback_data=f"edit_booking_{booking_id}"
+                )
+            ],
+            [
+                InlineKeyboardButton(
+                    text="❌ Отменить",
+                    callback_data=f"cancel_booking_{booking_id}"
+                )
+            ]
+        ]
+    )
\ No newline at end of file
diff --git a/app/keyboards/services.py b/app/keyboards/services.py
new file mode 100644
index 0000000..c1df4fe
--- /dev/null
+++ b/app/keyboards/services.py
@@ -0,0 +1,33 @@
+from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+from app.config import SERVICES
+
+
+from app.keyboards.back import get_back_button
+
+
+def get_services_keyboard():
+    buttons = [
+        [InlineKeyboardButton(text=name, callback_data=key)]
+        for key, name in SERVICES.items()
+    ]
+    buttons.append(get_back_button())
+    return InlineKeyboardMarkup(inline_keyboard=buttons)
+
+
+def get_extra_services_keyboard(already_selected: list[str] | None = None):
+    """Keyboard for selecting extra services. Shows ticked/unticked."""
+    if already_selected is None:
+        already_selected = []
+
+    buttons = []
+    for key, name in SERVICES.items():
+        if name in already_selected:
+            label = "\u2705 " + name
+        else:
+            label = name
+        buttons.append([InlineKeyboardButton(text=label, callback_data="extra_" + key)])
+
+    # Done button
+    buttons.append([InlineKeyboardButton(text="\u2705 \u0413\u043e\u0442\u043e\u0432\u043e", callback_data="extra_done")])
+    buttons.append(get_back_button())
+    return InlineKeyboardMarkup(inline_keyboard=buttons)
diff --git a/app/keyboards/time_slots.py b/app/keyboards/time_slots.py
new file mode 100644
index 0000000..fb5cf35
--- /dev/null
+++ b/app/keyboards/time_slots.py
@@ -0,0 +1,22 @@
+from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+from app.config import TIME_SLOTS
+from app.keyboards.back import get_back_button
+
+
+def get_time_keyboard(busy_times):
+    buttons = []
+    row = []
+    for slot in TIME_SLOTS:
+        busy = slot in busy_times
+        if busy:
+            label = "\u274c" + " " + slot
+        else:
+            label = "\u2705" + " " + slot
+        row.append(InlineKeyboardButton(text=label, callback_data="time_" + slot))
+        if len(row) == 3:
+            buttons.append(row)
+            row = []
+    if row:
+        buttons.append(row)
+    buttons.append(get_back_button())
+    return InlineKeyboardMarkup(inline_keyboard=buttons)
diff --git a/app/logger.py b/app/logger.py
new file mode 100644
index 0000000..ed12545
--- /dev/null
+++ b/app/logger.py
@@ -0,0 +1,38 @@
+"""Logging configuration for SPA Telegram Bot."""
+import sys
+from pathlib import Path
+from loguru import logger
+
+LOG_DIR = Path(__file__).resolve().parent.parent / "logs"
+LOG_DIR.mkdir(exist_ok=True)
+
+# Remove default handler
+logger.remove()
+
+# Console handler (INFO and above)
+logger.add(
+    sys.stdout,
+    format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> - <level>{message}</level>",
+    level="INFO",
+    colorize=True,
+)
+
+# File handler with rotation (DEBUG and above, keep 30 days)
+logger.add(
+    LOG_DIR / "bot_{time:YYYY-MM-DD}.log",
+    format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} - {message}",
+    level="DEBUG",
+    rotation="1 day",
+    retention="30 days",
+    compression="gz",
+)
+
+# Error-only file
+logger.add(
+    LOG_DIR / "errors_{time:YYYY-MM-DD}.log",
+    format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} - {message}",
+    level="ERROR",
+    rotation="1 day",
+    retention="90 days",
+    compression="gz",
+)
diff --git a/app/main.py b/app/main.py
index 614b1b3..ab0537f 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,33 +1,97 @@
+"""SPA Telegram Bot — main entry point."""
 import asyncio
+import signal
+import sys
 
 from aiogram import Bot, Dispatcher
 
 from app.config import BOT_TOKEN
+from app.logger import logger
 
+# Import routers
 from app.handlers.start import router as start_router
 from app.handlers.booking import router as booking_router
 from app.handlers.profile import router as profile_router
-from app.handlers.mybookings import router as mybooking_router
+from app.handlers.mybookings import router as mybookings_router
+from app.handlers.services import router as services_router
 from app.handlers.about import router as about_router
 from app.handlers.contacts import router as contacts_router
+from app.handlers.admin import router as admin_router
+
+bot = Bot(token=BOT_TOKEN)
+dp = Dispatcher()
+
+# Register routers
+dp.include_routers(
+    start_router,
+    booking_router,
+    profile_router,
+    mybookings_router,
+    services_router,
+    about_router,
+    contacts_router,
+    admin_router,
+)
+
+
+async def on_startup():
+    """Called when bot starts."""
+    me = await bot.get_me()
+    logger.info(
+        "Bot started | @{username} (id={id}) | Token: {token_preview}...",
+        username=me.username,
+        id=me.id,
+        token_preview=BOT_TOKEN[:10],
+    )
+
+
+async def on_shutdown():
+    """Called when bot shuts down."""
+    logger.info("Bot shutting down...")
+    # Give running tasks time to finish
+    pending = asyncio.all_tasks()
+    if pending:
+        logger.debug("Cancelling {count} pending tasks", count=len(pending))
+    logger.info("Bot shutdown complete")
 
 
 async def main():
-    bot = Bot(token=BOT_TOKEN)
-    dp = Dispatcher()
+    logger.info("Initializing bot...")
 
-    # подключаем все роутеры
-    dp.include_router(start_router)
-    dp.include_router(booking_router)
-    dp.include_router(profile_router)
-    dp.include_router(mybooking_router)
-    dp.include_router(about_router)
-    dp.include_router(contacts_router)
+    dp.startup.register(on_startup)
+    dp.shutdown.register(on_shutdown)
 
-    print("Bot started...")
+    # Handle SIGTERM/SIGINT gracefully
+    stop_event = asyncio.Event()
 
-    await dp.start_polling(bot)
+    def _signal_handler(sig, frame):
+        sig_name = signal.Signals(sig).name
+        logger.warning("Received {sig} signal, shutting down...", sig=sig_name)
+        stop_event.set()
+
+    loop = asyncio.get_event_loop()
+    for sig in (signal.SIGTERM, signal.SIGINT):
+        try:
+            loop.add_signal_handler(sig, lambda s=sig: _signal_handler(s, None))
+        except NotImplementedError:
+            # Windows fallback
+            signal.signal(sig, _signal_handler)
+
+    try:
+        await dp.start_polling(bot, stop_signal=stop_event)
+    except asyncio.CancelledError:
+        logger.info("Polling cancelled")
+    except Exception as e:
+        logger.exception("Fatal error in polling: {error}", error=e)
+    finally:
+        await bot.session.close()
+        logger.info("Bot session closed")
 
 
 if __name__ == "__main__":
-    asyncio.run(main())
\ No newline at end of file
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        logger.info("Bot stopped by user (Ctrl+C)")
+    except Exception as e:
+        logger.exception("Unhandled exception: {error}", error=e)
diff --git a/app/services/__init__.py b/app/services/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/services/booking_service.py b/app/services/booking_service.py
index fe182df..7dc88a3 100644
--- a/app/services/booking_service.py
+++ b/app/services/booking_service.py
@@ -1,12 +1,64 @@
-from app.db.memory import bookings
+from app.db.memory import (
+    create_booking as db_create_booking,
+    get_busy_times as db_get_busy_times,
+    get_user_bookings as db_get_user_bookings,
+    cancel_booking as db_cancel_booking,
+    update_booking as db_update_booking,
+    load_bookings as db_load_bookings,
+    save_bookings as db_save_bookings,
+    BOOKINGS_FILE,
+)
+from app.logger import logger
 
-def create_booking(user_id: int, service: str, date: str):
-    booking = {
-        "user_id": user_id,
-        "service": service,
-        "date": date,
-        "status": "active"
-    }
 
-    bookings.append(booking)
-    return booking
\ No newline at end of file
+async def create_booking(user_id, service, master, date, time, user_name=""):
+    return db_create_booking(user_id, service, master, date, time, user_name)
+
+
+async def get_busy_times(master, date):
+    return db_get_busy_times(master, date)
+
+
+async def get_user_bookings(user_id):
+    return db_get_user_bookings(user_id)
+
+
+async def cancel_booking(booking_id):
+    return db_cancel_booking(booking_id)
+
+
+async def update_booking(booking_id, service, master, date, time):
+    return db_update_booking(booking_id, service, master, date, time)
+
+
+async def is_slot_busy(master, date, time):
+    """Check if a time slot is already taken by an active booking."""
+    busy = db_get_busy_times(master, date)
+    return time in busy
+
+
+def cleanup_cancelled():
+    """Remove cancelled bookings older than the head (keep only last 5 cancelled per user)."""
+    bookings = db_load_bookings()
+    active = [b for b in bookings if b["status"] == "active"]
+    cancelled = [b for b in bookings if b["status"] == "cancelled"]
+
+    # Group cancelled by user, keep last 5 per user
+    from collections import defaultdict
+    by_user = defaultdict(list)
+    for b in cancelled:
+        by_user[b["user_id"]].append(b)
+
+    keep_ids = set()
+    for uid, user_cancel in by_user.items():
+        # Keep the 5 most recent
+        user_cancel.sort(key=lambda x: x.get("id", 0), reverse=True)
+        for b in user_cancel[:5]:
+            keep_ids.add(b["id"])
+
+    # Rebuild: keep active + keep recent cancelled
+    bookings = active + [b for b in cancelled if b["id"] in keep_ids]
+    db_save_bookings(bookings)
+    removed = len(cancelled) - len(keep_ids)
+    if removed > 0:
+        logger.info("Cleaned up {n} old cancelled bookings", n=removed)
diff --git a/app/states/__init__.py b/app/states/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/states/booking.py b/app/states/booking.py
index 12e607a..6019f0e 100644
--- a/app/states/booking.py
+++ b/app/states/booking.py
@@ -1,6 +1,9 @@
 from aiogram.fsm.state import StatesGroup, State
 
 class BookingState(StatesGroup):
-    service = State()
+    service = State()  # первая услуга
+    extra_services = State()  # дополнительные услуги
+    master = State()
     date = State()
+    time = State()
     confirm = State()
\ No newline at end of file
diff --git a/data/.gitkeep b/data/.gitkeep
new file mode 100644
index 0000000..e69de29