Add admin panel

backend/alembic/versions/011_add_challenge_proposals.py

@@ -0,0 +1,28 @@
+"""Add challenge proposals support
+
+Revision ID: 011_add_challenge_proposals
+Revises: 010_add_telegram_profile
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '011_add_challenge_proposals'
+down_revision: Union[str, None] = '010_add_telegram_profile'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column('challenges', sa.Column('proposed_by_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=True))
+    op.add_column('challenges', sa.Column('status', sa.String(20), server_default='approved', nullable=False))
+
+
+def downgrade() -> None:
+    op.drop_column('challenges', 'status')
+    op.drop_column('challenges', 'proposed_by_id')

backend/alembic/versions/012_add_user_banned.py

@@ -0,0 +1,32 @@
+"""Add user banned fields
+
+Revision ID: 012_add_user_banned
+Revises: 011_add_challenge_proposals
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '012_add_user_banned'
+down_revision: Union[str, None] = '011_add_challenge_proposals'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.add_column('users', sa.Column('is_banned', sa.Boolean(), server_default='false', nullable=False))
+    op.add_column('users', sa.Column('banned_at', sa.DateTime(), nullable=True))
+    op.add_column('users', sa.Column('banned_by_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=True))
+    op.add_column('users', sa.Column('ban_reason', sa.String(500), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column('users', 'ban_reason')
+    op.drop_column('users', 'banned_by_id')
+    op.drop_column('users', 'banned_at')
+    op.drop_column('users', 'is_banned')

backend/alembic/versions/013_add_admin_logs.py

@@ -0,0 +1,61 @@
+"""Add admin_logs table
+
+Revision ID: 013_add_admin_logs
+Revises: 012_add_user_banned
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+# revision identifiers, used by Alembic.
+revision: str = '013_add_admin_logs'
+down_revision: Union[str, None] = '012_add_user_banned'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def table_exists(table_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    return table_name in inspector.get_table_names()
+
+
+def index_exists(table_name: str, index_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    indexes = inspector.get_indexes(table_name)
+    return any(idx['name'] == index_name for idx in indexes)
+
+
+def upgrade() -> None:
+    if not table_exists('admin_logs'):
+        op.create_table(
+            'admin_logs',
+            sa.Column('id', sa.Integer(), primary_key=True),
+            sa.Column('admin_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=False),
+            sa.Column('action', sa.String(50), nullable=False),
+            sa.Column('target_type', sa.String(50), nullable=False),
+            sa.Column('target_id', sa.Integer(), nullable=False),
+            sa.Column('details', sa.JSON(), nullable=True),
+            sa.Column('ip_address', sa.String(50), nullable=True),
+            sa.Column('created_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+        )
+
+    if not index_exists('admin_logs', 'ix_admin_logs_admin_id'):
+        op.create_index('ix_admin_logs_admin_id', 'admin_logs', ['admin_id'])
+    if not index_exists('admin_logs', 'ix_admin_logs_action'):
+        op.create_index('ix_admin_logs_action', 'admin_logs', ['action'])
+    if not index_exists('admin_logs', 'ix_admin_logs_created_at'):
+        op.create_index('ix_admin_logs_created_at', 'admin_logs', ['created_at'])
+
+
+def downgrade() -> None:
+    op.drop_index('ix_admin_logs_created_at', 'admin_logs')
+    op.drop_index('ix_admin_logs_action', 'admin_logs')
+    op.drop_index('ix_admin_logs_admin_id', 'admin_logs')
+    op.drop_table('admin_logs')

backend/alembic/versions/014_add_admin_2fa.py

@@ -0,0 +1,57 @@
+"""Add admin_2fa_sessions table
+
+Revision ID: 014_add_admin_2fa
+Revises: 013_add_admin_logs
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+# revision identifiers, used by Alembic.
+revision: str = '014_add_admin_2fa'
+down_revision: Union[str, None] = '013_add_admin_logs'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def table_exists(table_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    return table_name in inspector.get_table_names()
+
+
+def index_exists(table_name: str, index_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    indexes = inspector.get_indexes(table_name)
+    return any(idx['name'] == index_name for idx in indexes)
+
+
+def upgrade() -> None:
+    if not table_exists('admin_2fa_sessions'):
+        op.create_table(
+            'admin_2fa_sessions',
+            sa.Column('id', sa.Integer(), primary_key=True),
+            sa.Column('user_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=False),
+            sa.Column('code', sa.String(6), nullable=False),
+            sa.Column('telegram_sent', sa.Boolean(), server_default='false', nullable=False),
+            sa.Column('is_verified', sa.Boolean(), server_default='false', nullable=False),
+            sa.Column('expires_at', sa.DateTime(), nullable=False),
+            sa.Column('created_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+        )
+
+    if not index_exists('admin_2fa_sessions', 'ix_admin_2fa_sessions_user_id'):
+        op.create_index('ix_admin_2fa_sessions_user_id', 'admin_2fa_sessions', ['user_id'])
+    if not index_exists('admin_2fa_sessions', 'ix_admin_2fa_sessions_expires_at'):
+        op.create_index('ix_admin_2fa_sessions_expires_at', 'admin_2fa_sessions', ['expires_at'])
+
+
+def downgrade() -> None:
+    op.drop_index('ix_admin_2fa_sessions_expires_at', 'admin_2fa_sessions')
+    op.drop_index('ix_admin_2fa_sessions_user_id', 'admin_2fa_sessions')
+    op.drop_table('admin_2fa_sessions')

backend/alembic/versions/015_add_static_content.py

@@ -0,0 +1,54 @@
+"""Add static_content table
+
+Revision ID: 015_add_static_content
+Revises: 014_add_admin_2fa
+Create Date: 2024-12-18
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+# revision identifiers, used by Alembic.
+revision: str = '015_add_static_content'
+down_revision: Union[str, None] = '014_add_admin_2fa'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def table_exists(table_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    return table_name in inspector.get_table_names()
+
+
+def index_exists(table_name: str, index_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    indexes = inspector.get_indexes(table_name)
+    return any(idx['name'] == index_name for idx in indexes)
+
+
+def upgrade() -> None:
+    if not table_exists('static_content'):
+        op.create_table(
+            'static_content',
+            sa.Column('id', sa.Integer(), primary_key=True),
+            sa.Column('key', sa.String(100), unique=True, nullable=False),
+            sa.Column('title', sa.String(200), nullable=False),
+            sa.Column('content', sa.Text(), nullable=False),
+            sa.Column('updated_by_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=True),
+            sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+            sa.Column('created_at', sa.DateTime(), server_default=sa.func.now(), nullable=False),
+        )
+
+    if not index_exists('static_content', 'ix_static_content_key'):
+        op.create_index('ix_static_content_key', 'static_content', ['key'], unique=True)
+
+
+def downgrade() -> None:
+    op.drop_index('ix_static_content_key', 'static_content')
+    op.drop_table('static_content')

backend/alembic/versions/016_add_banned_until.py

@@ -0,0 +1,36 @@
+"""Add banned_until field
+
+Revision ID: 016_add_banned_until
+Revises: 015_add_static_content
+Create Date: 2024-12-19
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+
+# revision identifiers, used by Alembic.
+revision: str = '016_add_banned_until'
+down_revision: Union[str, None] = '015_add_static_content'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def column_exists(table_name: str, column_name: str) -> bool:
+    bind = op.get_bind()
+    inspector = inspect(bind)
+    columns = [col['name'] for col in inspector.get_columns(table_name)]
+    return column_name in columns
+
+
+def upgrade() -> None:
+    if not column_exists('users', 'banned_until'):
+        op.add_column('users', sa.Column('banned_until', sa.DateTime(), nullable=True))
+
+
+def downgrade() -> None:
+    if column_exists('users', 'banned_until'):
+        op.drop_column('users', 'banned_until')

backend/alembic/versions/017_admin_logs_nullable_admin_id.py

@@ -0,0 +1,32 @@
+"""Make admin_id nullable in admin_logs for system actions
+
+Revision ID: 017_admin_logs_nullable_admin_id
+Revises: 016_add_banned_until
+Create Date: 2024-12-19
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '017_admin_logs_nullable_admin_id'
+down_revision: Union[str, None] = '016_add_banned_until'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Make admin_id nullable for system actions (like auto-unban)
+    op.alter_column('admin_logs', 'admin_id',
+                    existing_type=sa.Integer(),
+                    nullable=True)
+
+
+def downgrade() -> None:
+    # Revert to not nullable (will fail if there are NULL values)
+    op.alter_column('admin_logs', 'admin_id',
+                    existing_type=sa.Integer(),
+                    nullable=False)

backend/app/api/deps.py

@@ -1,4 +1,5 @@
 from typing import Annotated
+from datetime import datetime
 
 from fastapi import Depends, HTTPException, status, Header
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
@@ -8,7 +9,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from app.core.config import settings
 from app.core.database import get_db
 from app.core.security import decode_access_token
-from app.models import User, Participant, Marathon, UserRole, ParticipantRole
+from app.models import User, Participant, Marathon, UserRole, ParticipantRole, AdminLog, AdminActionType
 
 security = HTTPBearer()
 
@@ -43,6 +44,50 @@ async def get_current_user(
             detail="User not found",
         )
 
+    # Check if user is banned
+    if user.is_banned:
+        # Auto-unban if ban expired
+        if user.banned_until and datetime.utcnow() > user.banned_until:
+            # Save ban info for logging before clearing
+            old_ban_reason = user.ban_reason
+            old_banned_until = user.banned_until.isoformat() if user.banned_until else None
+
+            user.is_banned = False
+            user.banned_at = None
+            user.banned_until = None
+            user.banned_by_id = None
+            user.ban_reason = None
+
+            # Log system auto-unban action
+            log = AdminLog(
+                admin_id=None,  # System action, no admin
+                action=AdminActionType.USER_AUTO_UNBAN.value,
+                target_type="user",
+                target_id=user.id,
+                details={
+                    "nickname": user.nickname,
+                    "reason": old_ban_reason,
+                    "banned_until": old_banned_until,
+                    "system": True,
+                },
+                ip_address=None,
+            )
+            db.add(log)
+
+            await db.commit()
+            await db.refresh(user)
+        else:
+            # Still banned - return ban info in error
+            ban_info = {
+                "banned_at": user.banned_at.isoformat() if user.banned_at else None,
+                "banned_until": user.banned_until.isoformat() if user.banned_until else None,
+                "reason": user.ban_reason,
+            }
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail=ban_info,
+            )
+
     return user
 
 
@@ -56,6 +101,21 @@ def require_admin(user: User) -> User:
     return user
 
 
+def require_admin_with_2fa(user: User) -> User:
+    """Check if user is admin with Telegram linked (2FA enabled)"""
+    if not user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Admin access required",
+        )
+    if not user.telegram_id:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Для доступа к админ-панели необходимо привязать Telegram в профиле",
+        )
+    return user
+
+
 async def get_participant(
     db: AsyncSession,
     user_id: int,

backend/app/api/v1/__init__.py

@@ -1,6 +1,6 @@
 from fastapi import APIRouter
 
-from app.api.v1 import auth, users, marathons, games, challenges, wheel, feed, admin, events, assignments, telegram
+from app.api.v1 import auth, users, marathons, games, challenges, wheel, feed, admin, events, assignments, telegram, content
 
 router = APIRouter(prefix="/api/v1")
 
@@ -15,3 +15,4 @@ router.include_router(admin.router)
 router.include_router(events.router)
 router.include_router(assignments.router)
 router.include_router(telegram.router)
+router.include_router(content.router)

backend/app/api/v1/admin.py

@@ -1,11 +1,19 @@
-from fastapi import APIRouter, HTTPException, Query
+from datetime import datetime
+from fastapi import APIRouter, HTTPException, Query, Request
 from sqlalchemy import select, func
 from sqlalchemy.orm import selectinload
 from pydantic import BaseModel, Field
 
-from app.api.deps import DbSession, CurrentUser, require_admin
-from app.models import User, UserRole, Marathon, Participant, Game
-from app.schemas import UserPublic, MarathonListItem, MessageResponse
+from app.api.deps import DbSession, CurrentUser, require_admin_with_2fa
+from app.models import User, UserRole, Marathon, MarathonStatus, Participant, Game, AdminLog, AdminActionType, StaticContent
+from app.schemas import (
+    UserPublic, MessageResponse,
+    AdminUserResponse, BanUserRequest, AdminLogResponse, AdminLogsListResponse,
+    BroadcastRequest, BroadcastResponse, StaticContentResponse, StaticContentUpdate,
+    StaticContentCreate, DashboardStats
+)
+from app.services.telegram_notifier import telegram_notifier
+from app.core.rate_limit import limiter
 
 router = APIRouter(prefix="/admin", tags=["admin"])
 
@@ -14,21 +22,6 @@ class SetUserRole(BaseModel):
     role: str = Field(..., pattern="^(user|admin)$")
 
 
-class AdminUserResponse(BaseModel):
-    id: int
-    login: str
-    nickname: str
-    role: str
-    avatar_url: str | None = None
-    telegram_id: int | None = None
-    telegram_username: str | None = None
-    marathons_count: int = 0
-    created_at: str
-
-    class Config:
-        from_attributes = True
-
-
 class AdminMarathonResponse(BaseModel):
     id: int
     title: str
@@ -44,6 +37,29 @@ class AdminMarathonResponse(BaseModel):
         from_attributes = True
 
 
+# ============ Helper Functions ============
+async def log_admin_action(
+    db,
+    admin_id: int,
+    action: str,
+    target_type: str,
+    target_id: int,
+    details: dict | None = None,
+    ip_address: str | None = None
+):
+    """Log an admin action."""
+    log = AdminLog(
+        admin_id=admin_id,
+        action=action,
+        target_type=target_type,
+        target_id=target_id,
+        details=details,
+        ip_address=ip_address,
+    )
+    db.add(log)
+    await db.commit()
+
+
 @router.get("/users", response_model=list[AdminUserResponse])
 async def list_users(
     current_user: CurrentUser,
@@ -51,9 +67,10 @@ async def list_users(
     skip: int = Query(0, ge=0),
     limit: int = Query(50, ge=1, le=100),
     search: str | None = None,
+    banned_only: bool = False,
 ):
     """List all users. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     query = select(User).order_by(User.created_at.desc())
 
@@ -63,6 +80,9 @@ async def list_users(
             (User.nickname.ilike(f"%{search}%"))
         )
 
+    if banned_only:
+        query = query.where(User.is_banned == True)
+
     query = query.offset(skip).limit(limit)
     result = await db.execute(query)
     users = result.scalars().all()
@@ -83,6 +103,10 @@ async def list_users(
             telegram_username=user.telegram_username,
             marathons_count=marathons_count,
             created_at=user.created_at.isoformat(),
+            is_banned=user.is_banned,
+            banned_at=user.banned_at.isoformat() if user.banned_at else None,
+            banned_until=user.banned_until.isoformat() if user.banned_until else None,
+            ban_reason=user.ban_reason,
         ))
 
     return response
@@ -91,7 +115,7 @@ async def list_users(
 @router.get("/users/{user_id}", response_model=AdminUserResponse)
 async def get_user(user_id: int, current_user: CurrentUser, db: DbSession):
     """Get user details. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     result = await db.execute(select(User).where(User.id == user_id))
     user = result.scalar_one_or_none()
@@ -112,6 +136,10 @@ async def get_user(user_id: int, current_user: CurrentUser, db: DbSession):
         telegram_username=user.telegram_username,
         marathons_count=marathons_count,
         created_at=user.created_at.isoformat(),
+        is_banned=user.is_banned,
+        banned_at=user.banned_at.isoformat() if user.banned_at else None,
+        banned_until=user.banned_until.isoformat() if user.banned_until else None,
+        ban_reason=user.ban_reason,
     )
 
 
@@ -121,9 +149,10 @@ async def set_user_role(
     data: SetUserRole,
     current_user: CurrentUser,
     db: DbSession,
+    request: Request,
 ):
     """Set user's global role. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     # Cannot change own role
     if user_id == current_user.id:
@@ -134,10 +163,19 @@ async def set_user_role(
     if not user:
         raise HTTPException(status_code=404, detail="User not found")
 
+    old_role = user.role
     user.role = data.role
     await db.commit()
     await db.refresh(user)
 
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.USER_ROLE_CHANGE.value,
+        "user", user_id,
+        {"old_role": old_role, "new_role": data.role, "nickname": user.nickname},
+        request.client.host if request.client else None
+    )
+
     marathons_count = await db.scalar(
         select(func.count()).select_from(Participant).where(Participant.user_id == user.id)
     )
@@ -152,13 +190,17 @@ async def set_user_role(
         telegram_username=user.telegram_username,
         marathons_count=marathons_count,
         created_at=user.created_at.isoformat(),
+        is_banned=user.is_banned,
+        banned_at=user.banned_at.isoformat() if user.banned_at else None,
+        banned_until=user.banned_until.isoformat() if user.banned_until else None,
+        ban_reason=user.ban_reason,
     )
 
 
 @router.delete("/users/{user_id}", response_model=MessageResponse)
 async def delete_user(user_id: int, current_user: CurrentUser, db: DbSession):
     """Delete a user. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     # Cannot delete yourself
     if user_id == current_user.id:
@@ -188,7 +230,7 @@ async def list_marathons(
     search: str | None = None,
 ):
     """List all marathons. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     query = (
         select(Marathon)
@@ -227,25 +269,34 @@ async def list_marathons(
 
 
 @router.delete("/marathons/{marathon_id}", response_model=MessageResponse)
-async def delete_marathon(marathon_id: int, current_user: CurrentUser, db: DbSession):
+async def delete_marathon(marathon_id: int, current_user: CurrentUser, db: DbSession, request: Request):
     """Delete a marathon. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
     marathon = result.scalar_one_or_none()
     if not marathon:
         raise HTTPException(status_code=404, detail="Marathon not found")
 
+    marathon_title = marathon.title
     await db.delete(marathon)
     await db.commit()
 
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.MARATHON_DELETE.value,
+        "marathon", marathon_id,
+        {"title": marathon_title},
+        request.client.host if request.client else None
+    )
+
     return MessageResponse(message="Marathon deleted")
 
 
 @router.get("/stats")
 async def get_stats(current_user: CurrentUser, db: DbSession):
     """Get platform statistics. Admin only."""
-    require_admin(current_user)
+    require_admin_with_2fa(current_user)
 
     users_count = await db.scalar(select(func.count()).select_from(User))
     marathons_count = await db.scalar(select(func.count()).select_from(Marathon))
@@ -258,3 +309,439 @@ async def get_stats(current_user: CurrentUser, db: DbSession):
         "games_count": games_count,
         "total_participations": participants_count,
     }
+
+
+# ============ Ban/Unban Users ============
+@router.post("/users/{user_id}/ban", response_model=AdminUserResponse)
+@limiter.limit("10/minute")
+async def ban_user(
+    request: Request,
+    user_id: int,
+    data: BanUserRequest,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Ban a user. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    if user_id == current_user.id:
+        raise HTTPException(status_code=400, detail="Cannot ban yourself")
+
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    if user.role == UserRole.ADMIN.value:
+        raise HTTPException(status_code=400, detail="Cannot ban another admin")
+
+    if user.is_banned:
+        raise HTTPException(status_code=400, detail="User is already banned")
+
+    user.is_banned = True
+    user.banned_at = datetime.utcnow()
+    # Normalize to naive datetime (remove tzinfo) to match banned_at
+    user.banned_until = data.banned_until.replace(tzinfo=None) if data.banned_until else None
+    user.banned_by_id = current_user.id
+    user.ban_reason = data.reason
+    await db.commit()
+    await db.refresh(user)
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.USER_BAN.value,
+        "user", user_id,
+        {"nickname": user.nickname, "reason": data.reason},
+        request.client.host if request.client else None
+    )
+
+    marathons_count = await db.scalar(
+        select(func.count()).select_from(Participant).where(Participant.user_id == user.id)
+    )
+
+    return AdminUserResponse(
+        id=user.id,
+        login=user.login,
+        nickname=user.nickname,
+        role=user.role,
+        avatar_url=user.avatar_url,
+        telegram_id=user.telegram_id,
+        telegram_username=user.telegram_username,
+        marathons_count=marathons_count,
+        created_at=user.created_at.isoformat(),
+        is_banned=user.is_banned,
+        banned_at=user.banned_at.isoformat() if user.banned_at else None,
+        banned_until=user.banned_until.isoformat() if user.banned_until else None,
+        ban_reason=user.ban_reason,
+    )
+
+
+@router.post("/users/{user_id}/unban", response_model=AdminUserResponse)
+async def unban_user(
+    request: Request,
+    user_id: int,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Unban a user. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    if not user.is_banned:
+        raise HTTPException(status_code=400, detail="User is not banned")
+
+    user.is_banned = False
+    user.banned_at = None
+    user.banned_until = None
+    user.banned_by_id = None
+    user.ban_reason = None
+    await db.commit()
+    await db.refresh(user)
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.USER_UNBAN.value,
+        "user", user_id,
+        {"nickname": user.nickname},
+        request.client.host if request.client else None
+    )
+
+    marathons_count = await db.scalar(
+        select(func.count()).select_from(Participant).where(Participant.user_id == user.id)
+    )
+
+    return AdminUserResponse(
+        id=user.id,
+        login=user.login,
+        nickname=user.nickname,
+        role=user.role,
+        avatar_url=user.avatar_url,
+        telegram_id=user.telegram_id,
+        telegram_username=user.telegram_username,
+        marathons_count=marathons_count,
+        created_at=user.created_at.isoformat(),
+        is_banned=user.is_banned,
+        banned_at=None,
+        banned_until=None,
+        ban_reason=None,
+    )
+
+
+# ============ Force Finish Marathon ============
+@router.post("/marathons/{marathon_id}/force-finish", response_model=MessageResponse)
+async def force_finish_marathon(
+    request: Request,
+    marathon_id: int,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Force finish a marathon. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+    marathon = result.scalar_one_or_none()
+    if not marathon:
+        raise HTTPException(status_code=404, detail="Marathon not found")
+
+    if marathon.status == MarathonStatus.FINISHED.value:
+        raise HTTPException(status_code=400, detail="Marathon is already finished")
+
+    old_status = marathon.status
+    marathon.status = MarathonStatus.FINISHED.value
+    marathon.end_date = datetime.utcnow()
+    await db.commit()
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.MARATHON_FORCE_FINISH.value,
+        "marathon", marathon_id,
+        {"title": marathon.title, "old_status": old_status},
+        request.client.host if request.client else None
+    )
+
+    # Notify participants
+    await telegram_notifier.notify_marathon_finish(db, marathon_id, marathon.title)
+
+    return MessageResponse(message="Marathon finished")
+
+
+# ============ Admin Logs ============
+@router.get("/logs", response_model=AdminLogsListResponse)
+async def get_logs(
+    current_user: CurrentUser,
+    db: DbSession,
+    skip: int = Query(0, ge=0),
+    limit: int = Query(50, ge=1, le=100),
+    action: str | None = None,
+    admin_id: int | None = None,
+):
+    """Get admin action logs. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    query = (
+        select(AdminLog)
+        .options(selectinload(AdminLog.admin))
+        .order_by(AdminLog.created_at.desc())
+    )
+
+    if action:
+        query = query.where(AdminLog.action == action)
+    if admin_id:
+        query = query.where(AdminLog.admin_id == admin_id)
+
+    # Get total count
+    count_query = select(func.count()).select_from(AdminLog)
+    if action:
+        count_query = count_query.where(AdminLog.action == action)
+    if admin_id:
+        count_query = count_query.where(AdminLog.admin_id == admin_id)
+    total = await db.scalar(count_query)
+
+    query = query.offset(skip).limit(limit)
+    result = await db.execute(query)
+    logs = result.scalars().all()
+
+    return AdminLogsListResponse(
+        logs=[
+            AdminLogResponse(
+                id=log.id,
+                admin_id=log.admin_id,
+                admin_nickname=log.admin.nickname if log.admin else None,
+                action=log.action,
+                target_type=log.target_type,
+                target_id=log.target_id,
+                details=log.details,
+                ip_address=log.ip_address,
+                created_at=log.created_at,
+            )
+            for log in logs
+        ],
+        total=total or 0,
+    )
+
+
+# ============ Broadcast ============
+@router.post("/broadcast/all", response_model=BroadcastResponse)
+@limiter.limit("1/minute")
+async def broadcast_to_all(
+    request: Request,
+    data: BroadcastRequest,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Send broadcast message to all users with Telegram linked. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    # Get all users with telegram_id
+    result = await db.execute(
+        select(User).where(User.telegram_id.isnot(None))
+    )
+    users = result.scalars().all()
+
+    total_count = len(users)
+    sent_count = 0
+
+    for user in users:
+        if await telegram_notifier.send_message(user.telegram_id, data.message):
+            sent_count += 1
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.BROADCAST_ALL.value,
+        "broadcast", 0,
+        {"message": data.message[:100], "sent": sent_count, "total": total_count},
+        request.client.host if request.client else None
+    )
+
+    return BroadcastResponse(sent_count=sent_count, total_count=total_count)
+
+
+@router.post("/broadcast/marathon/{marathon_id}", response_model=BroadcastResponse)
+@limiter.limit("3/minute")
+async def broadcast_to_marathon(
+    request: Request,
+    marathon_id: int,
+    data: BroadcastRequest,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Send broadcast message to marathon participants. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    # Check marathon exists
+    result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+    marathon = result.scalar_one_or_none()
+    if not marathon:
+        raise HTTPException(status_code=404, detail="Marathon not found")
+
+    # Get participants count
+    total_result = await db.execute(
+        select(User)
+        .join(Participant, Participant.user_id == User.id)
+        .where(
+            Participant.marathon_id == marathon_id,
+            User.telegram_id.isnot(None)
+        )
+    )
+    users = total_result.scalars().all()
+    total_count = len(users)
+
+    sent_count = await telegram_notifier.notify_marathon_participants(
+        db, marathon_id, data.message
+    )
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.BROADCAST_MARATHON.value,
+        "marathon", marathon_id,
+        {"title": marathon.title, "message": data.message[:100], "sent": sent_count, "total": total_count},
+        request.client.host if request.client else None
+    )
+
+    return BroadcastResponse(sent_count=sent_count, total_count=total_count)
+
+
+# ============ Static Content ============
+@router.get("/content", response_model=list[StaticContentResponse])
+async def list_content(current_user: CurrentUser, db: DbSession):
+    """List all static content. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    result = await db.execute(
+        select(StaticContent).order_by(StaticContent.key)
+    )
+    return result.scalars().all()
+
+
+@router.get("/content/{key}", response_model=StaticContentResponse)
+async def get_content(key: str, current_user: CurrentUser, db: DbSession):
+    """Get static content by key. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    result = await db.execute(
+        select(StaticContent).where(StaticContent.key == key)
+    )
+    content = result.scalar_one_or_none()
+    if not content:
+        raise HTTPException(status_code=404, detail="Content not found")
+    return content
+
+
+@router.put("/content/{key}", response_model=StaticContentResponse)
+async def update_content(
+    request: Request,
+    key: str,
+    data: StaticContentUpdate,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Update static content. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    result = await db.execute(
+        select(StaticContent).where(StaticContent.key == key)
+    )
+    content = result.scalar_one_or_none()
+    if not content:
+        raise HTTPException(status_code=404, detail="Content not found")
+
+    content.title = data.title
+    content.content = data.content
+    content.updated_by_id = current_user.id
+    content.updated_at = datetime.utcnow()
+    await db.commit()
+    await db.refresh(content)
+
+    # Log action
+    await log_admin_action(
+        db, current_user.id, AdminActionType.CONTENT_UPDATE.value,
+        "content", content.id,
+        {"key": key, "title": data.title},
+        request.client.host if request.client else None
+    )
+
+    return content
+
+
+@router.post("/content", response_model=StaticContentResponse)
+async def create_content(
+    request: Request,
+    data: StaticContentCreate,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Create static content. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    # Check if key exists
+    result = await db.execute(
+        select(StaticContent).where(StaticContent.key == data.key)
+    )
+    if result.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Content with this key already exists")
+
+    content = StaticContent(
+        key=data.key,
+        title=data.title,
+        content=data.content,
+        updated_by_id=current_user.id,
+    )
+    db.add(content)
+    await db.commit()
+    await db.refresh(content)
+
+    return content
+
+
+# ============ Dashboard ============
+@router.get("/dashboard", response_model=DashboardStats)
+async def get_dashboard(current_user: CurrentUser, db: DbSession):
+    """Get dashboard statistics. Admin only."""
+    require_admin_with_2fa(current_user)
+
+    users_count = await db.scalar(select(func.count()).select_from(User))
+    banned_users_count = await db.scalar(
+        select(func.count()).select_from(User).where(User.is_banned == True)
+    )
+    marathons_count = await db.scalar(select(func.count()).select_from(Marathon))
+    active_marathons_count = await db.scalar(
+        select(func.count()).select_from(Marathon).where(Marathon.status == MarathonStatus.ACTIVE.value)
+    )
+    games_count = await db.scalar(select(func.count()).select_from(Game))
+    total_participations = await db.scalar(select(func.count()).select_from(Participant))
+
+    # Get recent logs
+    result = await db.execute(
+        select(AdminLog)
+        .options(selectinload(AdminLog.admin))
+        .order_by(AdminLog.created_at.desc())
+        .limit(10)
+    )
+    recent_logs = result.scalars().all()
+
+    return DashboardStats(
+        users_count=users_count or 0,
+        banned_users_count=banned_users_count or 0,
+        marathons_count=marathons_count or 0,
+        active_marathons_count=active_marathons_count or 0,
+        games_count=games_count or 0,
+        total_participations=total_participations or 0,
+        recent_logs=[
+            AdminLogResponse(
+                id=log.id,
+                admin_id=log.admin_id,
+                admin_nickname=log.admin.nickname if log.admin else None,
+                action=log.action,
+                target_type=log.target_type,
+                target_id=log.target_id,
+                details=log.details,
+                ip_address=log.ip_address,
+                created_at=log.created_at,
+            )
+            for log in recent_logs
+        ],
+    )

backend/app/api/v1/auth.py

@@ -1,11 +1,15 @@
+from datetime import datetime, timedelta
+import secrets
+
 from fastapi import APIRouter, HTTPException, status, Request
 from sqlalchemy import select
 
 from app.api.deps import DbSession, CurrentUser
 from app.core.security import verify_password, get_password_hash, create_access_token
 from app.core.rate_limit import limiter
-from app.models import User
-from app.schemas import UserRegister, UserLogin, TokenResponse, UserPrivate
+from app.models import User, UserRole, Admin2FASession
+from app.schemas import UserRegister, UserLogin, TokenResponse, UserPrivate, LoginResponse
+from app.services.telegram_notifier import telegram_notifier
 
 router = APIRouter(prefix="/auth", tags=["auth"])
 
@@ -40,7 +44,7 @@ async def register(request: Request, data: UserRegister, db: DbSession):
     )
 
 
-@router.post("/login", response_model=TokenResponse)
+@router.post("/login", response_model=LoginResponse)
 @limiter.limit("10/minute")
 async def login(request: Request, data: UserLogin, db: DbSession):
     # Find user
@@ -53,6 +57,99 @@ async def login(request: Request, data: UserLogin, db: DbSession):
             detail="Incorrect login or password",
         )
 
+    # Check if user is banned
+    if user.is_banned:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Your account has been banned",
+        )
+
+    # If admin with Telegram linked, require 2FA
+    if user.role == UserRole.ADMIN.value and user.telegram_id:
+        # Generate 6-digit code
+        code = "".join([str(secrets.randbelow(10)) for _ in range(6)])
+
+        # Create 2FA session (expires in 5 minutes)
+        session = Admin2FASession(
+            user_id=user.id,
+            code=code,
+            expires_at=datetime.utcnow() + timedelta(minutes=5),
+        )
+        db.add(session)
+        await db.commit()
+        await db.refresh(session)
+
+        # Send code to Telegram
+        message = f"🔐 <b>Код подтверждения для входа в админку</b>\n\nВаш код: <code>{code}</code>\n\nКод действителен 5 минут."
+        sent = await telegram_notifier.send_message(user.telegram_id, message)
+
+        if sent:
+            session.telegram_sent = True
+            await db.commit()
+
+        return LoginResponse(
+            requires_2fa=True,
+            two_factor_session_id=session.id,
+        )
+
+    # Regular user or admin without Telegram - generate token immediately
+    # Admin without Telegram can login but admin panel will check for Telegram
+    access_token = create_access_token(subject=user.id)
+
+    return LoginResponse(
+        access_token=access_token,
+        user=UserPrivate.model_validate(user),
+    )
+
+
+@router.post("/2fa/verify", response_model=TokenResponse)
+@limiter.limit("5/minute")
+async def verify_2fa(request: Request, session_id: int, code: str, db: DbSession):
+    """Verify 2FA code and return JWT token."""
+    # Find session
+    result = await db.execute(
+        select(Admin2FASession).where(Admin2FASession.id == session_id)
+    )
+    session = result.scalar_one_or_none()
+
+    if not session:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Invalid session",
+        )
+
+    if session.is_verified:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Session already verified",
+        )
+
+    if datetime.utcnow() > session.expires_at:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Code expired",
+        )
+
+    if session.code != code:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Invalid code",
+        )
+
+    # Mark as verified
+    session.is_verified = True
+    await db.commit()
+
+    # Get user
+    result = await db.execute(select(User).where(User.id == session.user_id))
+    user = result.scalar_one_or_none()
+
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="User not found",
+        )
+
     # Generate token
     access_token = create_access_token(subject=user.id)
 

backend/app/api/v1/challenges.py

@@ -3,7 +3,8 @@ from sqlalchemy import select
 from sqlalchemy.orm import selectinload
 
 from app.api.deps import DbSession, CurrentUser, require_participant, require_organizer, get_participant
-from app.models import Marathon, MarathonStatus, Game, GameStatus, Challenge
+from app.models import Marathon, MarathonStatus, Game, GameStatus, Challenge, User
+from app.models.challenge import ChallengeStatus
 from app.schemas import (
     ChallengeCreate,
     ChallengeUpdate,
@@ -15,7 +16,9 @@ from app.schemas import (
     ChallengesSaveRequest,
     ChallengesGenerateRequest,
 )
+from app.schemas.challenge import ChallengePropose, ProposedByUser
 from app.services.gpt import gpt_service
+from app.services.telegram_notifier import telegram_notifier
 
 router = APIRouter(tags=["challenges"])
 
@@ -23,7 +26,7 @@ router = APIRouter(tags=["challenges"])
 async def get_challenge_or_404(db, challenge_id: int) -> Challenge:
     result = await db.execute(
         select(Challenge)
-        .options(selectinload(Challenge.game))
+        .options(selectinload(Challenge.game), selectinload(Challenge.proposed_by))
         .where(Challenge.id == challenge_id)
     )
     challenge = result.scalar_one_or_none()
@@ -32,9 +35,36 @@ async def get_challenge_or_404(db, challenge_id: int) -> Challenge:
     return challenge
 
 
+def build_challenge_response(challenge: Challenge, game: Game) -> ChallengeResponse:
+    """Helper to build ChallengeResponse with proposed_by"""
+    proposed_by = None
+    if challenge.proposed_by:
+        proposed_by = ProposedByUser(
+            id=challenge.proposed_by.id,
+            nickname=challenge.proposed_by.nickname
+        )
+
+    return ChallengeResponse(
+        id=challenge.id,
+        title=challenge.title,
+        description=challenge.description,
+        type=challenge.type,
+        difficulty=challenge.difficulty,
+        points=challenge.points,
+        estimated_time=challenge.estimated_time,
+        proof_type=challenge.proof_type,
+        proof_hint=challenge.proof_hint,
+        game=GameShort(id=game.id, title=game.title, cover_url=None),
+        is_generated=challenge.is_generated,
+        created_at=challenge.created_at,
+        status=challenge.status,
+        proposed_by=proposed_by,
+    )
+
+
 @router.get("/games/{game_id}/challenges", response_model=list[ChallengeResponse])
 async def list_challenges(game_id: int, current_user: CurrentUser, db: DbSession):
-    """List challenges for a game. Participants can view challenges for approved games only."""
+    """List challenges for a game. Participants can view approved and pending challenges."""
     # Get game and check access
     result = await db.execute(
         select(Game).where(Game.id == game_id)
@@ -54,30 +84,17 @@ async def list_challenges(game_id: int, current_user: CurrentUser, db: DbSession
             if game.status != GameStatus.APPROVED.value and game.proposed_by_id != current_user.id:
                 raise HTTPException(status_code=403, detail="Game not accessible")
 
-    result = await db.execute(
-        select(Challenge)
-        .where(Challenge.game_id == game_id)
-        .order_by(Challenge.difficulty, Challenge.created_at)
-    )
+    # Get challenges with proposed_by
+    query = select(Challenge).options(selectinload(Challenge.proposed_by)).where(Challenge.game_id == game_id)
+
+    # Regular participants see approved and pending challenges (but not rejected)
+    if not current_user.is_admin and participant and not participant.is_organizer:
+        query = query.where(Challenge.status.in_([ChallengeStatus.APPROVED.value, ChallengeStatus.PENDING.value]))
+
+    result = await db.execute(query.order_by(Challenge.status.desc(), Challenge.difficulty, Challenge.created_at))
     challenges = result.scalars().all()
 
-    return [
-        ChallengeResponse(
-            id=c.id,
-            title=c.title,
-            description=c.description,
-            type=c.type,
-            difficulty=c.difficulty,
-            points=c.points,
-            estimated_time=c.estimated_time,
-            proof_type=c.proof_type,
-            proof_hint=c.proof_hint,
-            game=GameShort(id=game.id, title=game.title, cover_url=None),
-            is_generated=c.is_generated,
-            created_at=c.created_at,
-        )
-        for c in challenges
-    ]
+    return [build_challenge_response(c, game) for c in challenges]
 
 
 @router.get("/marathons/{marathon_id}/challenges", response_model=list[ChallengeResponse])
@@ -94,36 +111,21 @@ async def list_marathon_challenges(marathon_id: int, current_user: CurrentUser,
     if not current_user.is_admin and not participant:
         raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
 
-    # Get all challenges from approved games in this marathon
+    # Get all approved challenges from approved games in this marathon
     result = await db.execute(
         select(Challenge)
         .join(Game, Challenge.game_id == Game.id)
-        .options(selectinload(Challenge.game))
+        .options(selectinload(Challenge.game), selectinload(Challenge.proposed_by))
         .where(
             Game.marathon_id == marathon_id,
             Game.status == GameStatus.APPROVED.value,
+            Challenge.status == ChallengeStatus.APPROVED.value,
         )
         .order_by(Game.title, Challenge.difficulty, Challenge.created_at)
     )
     challenges = result.scalars().all()
 
-    return [
-        ChallengeResponse(
-            id=c.id,
-            title=c.title,
-            description=c.description,
-            type=c.type,
-            difficulty=c.difficulty,
-            points=c.points,
-            estimated_time=c.estimated_time,
-            proof_type=c.proof_type,
-            proof_hint=c.proof_hint,
-            game=GameShort(id=c.game.id, title=c.game.title, cover_url=None),
-            is_generated=c.is_generated,
-            created_at=c.created_at,
-        )
-        for c in challenges
-    ]
+    return [build_challenge_response(c, c.game) for c in challenges]
 
 
 @router.post("/games/{game_id}/challenges", response_model=ChallengeResponse)
@@ -166,25 +168,13 @@ async def create_challenge(
         proof_type=data.proof_type.value,
         proof_hint=data.proof_hint,
         is_generated=False,
+        status=ChallengeStatus.APPROVED.value,  # Organizer-created challenges are auto-approved
     )
     db.add(challenge)
     await db.commit()
     await db.refresh(challenge)
 
-    return ChallengeResponse(
-        id=challenge.id,
-        title=challenge.title,
-        description=challenge.description,
-        type=challenge.type,
-        difficulty=challenge.difficulty,
-        points=challenge.points,
-        estimated_time=challenge.estimated_time,
-        proof_type=challenge.proof_type,
-        proof_hint=challenge.proof_hint,
-        game=GameShort(id=game.id, title=game.title, cover_url=None),
-        is_generated=challenge.is_generated,
-        created_at=challenge.created_at,
-    )
+    return build_challenge_response(challenge, game)
 
 
 @router.post("/marathons/{marathon_id}/preview-challenges", response_model=ChallengesPreviewResponse)
@@ -386,26 +376,12 @@ async def update_challenge(
     await db.commit()
     await db.refresh(challenge)
 
-    game = challenge.game
-    return ChallengeResponse(
-        id=challenge.id,
-        title=challenge.title,
-        description=challenge.description,
-        type=challenge.type,
-        difficulty=challenge.difficulty,
-        points=challenge.points,
-        estimated_time=challenge.estimated_time,
-        proof_type=challenge.proof_type,
-        proof_hint=challenge.proof_hint,
-        game=GameShort(id=game.id, title=game.title, cover_url=None),
-        is_generated=challenge.is_generated,
-        created_at=challenge.created_at,
-    )
+    return build_challenge_response(challenge, challenge.game)
 
 
 @router.delete("/challenges/{challenge_id}", response_model=MessageResponse)
 async def delete_challenge(challenge_id: int, current_user: CurrentUser, db: DbSession):
-    """Delete a challenge. Organizers only."""
+    """Delete a challenge. Organizers can delete any, participants can delete their own pending."""
     challenge = await get_challenge_or_404(db, challenge_id)
 
     # Check marathon is in preparing state
@@ -414,10 +390,206 @@ async def delete_challenge(challenge_id: int, current_user: CurrentUser, db: DbS
     if marathon.status != MarathonStatus.PREPARING.value:
         raise HTTPException(status_code=400, detail="Cannot delete challenges from active or finished marathon")
 
-    # Only organizers can delete challenges
-    await require_organizer(db, current_user, challenge.game.marathon_id)
+    participant = await get_participant(db, current_user.id, challenge.game.marathon_id)
+
+    # Check permissions
+    if current_user.is_admin or (participant and participant.is_organizer):
+        # Organizers can delete any challenge
+        pass
+    elif challenge.proposed_by_id == current_user.id and challenge.status == ChallengeStatus.PENDING.value:
+        # Participants can delete their own pending challenges
+        pass
+    else:
+        raise HTTPException(status_code=403, detail="You can only delete your own pending challenges")
 
     await db.delete(challenge)
     await db.commit()
 
     return MessageResponse(message="Challenge deleted")
+
+
+# ============ Proposed challenges endpoints ============
+
+@router.post("/games/{game_id}/propose-challenge", response_model=ChallengeResponse)
+async def propose_challenge(
+    game_id: int,
+    data: ChallengePropose,
+    current_user: CurrentUser,
+    db: DbSession,
+):
+    """Propose a challenge for a game. Participants only, during PREPARING phase."""
+    # Get game
+    result = await db.execute(select(Game).where(Game.id == game_id))
+    game = result.scalar_one_or_none()
+    if not game:
+        raise HTTPException(status_code=404, detail="Game not found")
+
+    # Check marathon is in preparing state
+    result = await db.execute(select(Marathon).where(Marathon.id == game.marathon_id))
+    marathon = result.scalar_one()
+    if marathon.status != MarathonStatus.PREPARING.value:
+        raise HTTPException(status_code=400, detail="Cannot propose challenges to active or finished marathon")
+
+    # Check user is participant
+    participant = await get_participant(db, current_user.id, game.marathon_id)
+    if not participant and not current_user.is_admin:
+        raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
+
+    # Can only propose challenges to approved games
+    if game.status != GameStatus.APPROVED.value:
+        raise HTTPException(status_code=400, detail="Can only propose challenges to approved games")
+
+    challenge = Challenge(
+        game_id=game_id,
+        title=data.title,
+        description=data.description,
+        type=data.type.value,
+        difficulty=data.difficulty.value,
+        points=data.points,
+        estimated_time=data.estimated_time,
+        proof_type=data.proof_type.value,
+        proof_hint=data.proof_hint,
+        is_generated=False,
+        proposed_by_id=current_user.id,
+        status=ChallengeStatus.PENDING.value,
+    )
+    db.add(challenge)
+    await db.commit()
+    await db.refresh(challenge)
+
+    # Load proposed_by relationship
+    challenge.proposed_by = current_user
+
+    return build_challenge_response(challenge, game)
+
+
+@router.get("/marathons/{marathon_id}/proposed-challenges", response_model=list[ChallengeResponse])
+async def list_proposed_challenges(marathon_id: int, current_user: CurrentUser, db: DbSession):
+    """List all pending proposed challenges for a marathon. Organizers only."""
+    # Check marathon exists
+    result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+    marathon = result.scalar_one_or_none()
+    if not marathon:
+        raise HTTPException(status_code=404, detail="Marathon not found")
+
+    # Only organizers can see all proposed challenges
+    await require_organizer(db, current_user, marathon_id)
+
+    # Get all pending challenges from approved games
+    result = await db.execute(
+        select(Challenge)
+        .join(Game, Challenge.game_id == Game.id)
+        .options(selectinload(Challenge.game), selectinload(Challenge.proposed_by))
+        .where(
+            Game.marathon_id == marathon_id,
+            Game.status == GameStatus.APPROVED.value,
+            Challenge.status == ChallengeStatus.PENDING.value,
+        )
+        .order_by(Challenge.created_at.desc())
+    )
+    challenges = result.scalars().all()
+
+    return [build_challenge_response(c, c.game) for c in challenges]
+
+
+@router.get("/marathons/{marathon_id}/my-proposed-challenges", response_model=list[ChallengeResponse])
+async def list_my_proposed_challenges(marathon_id: int, current_user: CurrentUser, db: DbSession):
+    """List current user's proposed challenges for a marathon."""
+    # Check marathon exists
+    result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+    marathon = result.scalar_one_or_none()
+    if not marathon:
+        raise HTTPException(status_code=404, detail="Marathon not found")
+
+    # Check user is participant
+    participant = await get_participant(db, current_user.id, marathon_id)
+    if not participant and not current_user.is_admin:
+        raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
+
+    # Get user's proposed challenges
+    result = await db.execute(
+        select(Challenge)
+        .join(Game, Challenge.game_id == Game.id)
+        .options(selectinload(Challenge.game), selectinload(Challenge.proposed_by))
+        .where(
+            Game.marathon_id == marathon_id,
+            Challenge.proposed_by_id == current_user.id,
+        )
+        .order_by(Challenge.created_at.desc())
+    )
+    challenges = result.scalars().all()
+
+    return [build_challenge_response(c, c.game) for c in challenges]
+
+
+@router.patch("/challenges/{challenge_id}/approve", response_model=ChallengeResponse)
+async def approve_challenge(challenge_id: int, current_user: CurrentUser, db: DbSession):
+    """Approve a proposed challenge. Organizers only."""
+    challenge = await get_challenge_or_404(db, challenge_id)
+
+    # Check marathon is in preparing state
+    result = await db.execute(select(Marathon).where(Marathon.id == challenge.game.marathon_id))
+    marathon = result.scalar_one()
+    if marathon.status != MarathonStatus.PREPARING.value:
+        raise HTTPException(status_code=400, detail="Cannot approve challenges in active or finished marathon")
+
+    # Only organizers can approve
+    await require_organizer(db, current_user, challenge.game.marathon_id)
+
+    if challenge.status != ChallengeStatus.PENDING.value:
+        raise HTTPException(status_code=400, detail="Challenge is not pending")
+
+    challenge.status = ChallengeStatus.APPROVED.value
+    await db.commit()
+    await db.refresh(challenge)
+
+    # Send Telegram notification to proposer
+    if challenge.proposed_by_id:
+        await telegram_notifier.notify_challenge_approved(
+            db,
+            challenge.proposed_by_id,
+            marathon.title,
+            challenge.game.title,
+            challenge.title
+        )
+
+    return build_challenge_response(challenge, challenge.game)
+
+
+@router.patch("/challenges/{challenge_id}/reject", response_model=ChallengeResponse)
+async def reject_challenge(challenge_id: int, current_user: CurrentUser, db: DbSession):
+    """Reject a proposed challenge. Organizers only."""
+    challenge = await get_challenge_or_404(db, challenge_id)
+
+    # Check marathon is in preparing state
+    result = await db.execute(select(Marathon).where(Marathon.id == challenge.game.marathon_id))
+    marathon = result.scalar_one()
+    if marathon.status != MarathonStatus.PREPARING.value:
+        raise HTTPException(status_code=400, detail="Cannot reject challenges in active or finished marathon")
+
+    # Only organizers can reject
+    await require_organizer(db, current_user, challenge.game.marathon_id)
+
+    if challenge.status != ChallengeStatus.PENDING.value:
+        raise HTTPException(status_code=400, detail="Challenge is not pending")
+
+    # Save info for notification before changing status
+    proposer_id = challenge.proposed_by_id
+    game_title = challenge.game.title
+    challenge_title = challenge.title
+
+    challenge.status = ChallengeStatus.REJECTED.value
+    await db.commit()
+    await db.refresh(challenge)
+
+    # Send Telegram notification to proposer
+    if proposer_id:
+        await telegram_notifier.notify_challenge_rejected(
+            db,
+            proposer_id,
+            marathon.title,
+            game_title,
+            challenge_title
+        )
+
+    return build_challenge_response(challenge, challenge.game)

backend/app/api/v1/content.py

@@ -0,0 +1,20 @@
+from fastapi import APIRouter, HTTPException
+from sqlalchemy import select
+
+from app.api.deps import DbSession
+from app.models import StaticContent
+from app.schemas import StaticContentResponse
+
+router = APIRouter(prefix="/content", tags=["content"])
+
+
+@router.get("/{key}", response_model=StaticContentResponse)
+async def get_public_content(key: str, db: DbSession):
+    """Get public static content by key. No authentication required."""
+    result = await db.execute(
+        select(StaticContent).where(StaticContent.key == key)
+    )
+    content = result.scalar_one_or_none()
+    if not content:
+        raise HTTPException(status_code=404, detail="Content not found")
+    return content

backend/app/api/v1/telegram.py

@@ -86,7 +86,7 @@ async def generate_link_token(current_user: CurrentUser):
     )
     logger.info(f"[TG_LINK] Token created: {token} (length: {len(token)})")
 
-    bot_username = settings.TELEGRAM_BOT_USERNAME or "GameMarathonBot"
+    bot_username = settings.TELEGRAM_BOT_USERNAME or "BCMarathonbot"
     bot_url = f"https://t.me/{bot_username}?start={token}"
     logger.info(f"[TG_LINK] Bot URL: {bot_url}")
 

backend/app/models/__init__.py

@@ -8,6 +8,9 @@ from app.models.activity import Activity, ActivityType
 from app.models.event import Event, EventType
 from app.models.swap_request import SwapRequest, SwapRequestStatus
 from app.models.dispute import Dispute, DisputeStatus, DisputeComment, DisputeVote
+from app.models.admin_log import AdminLog, AdminActionType
+from app.models.admin_2fa import Admin2FASession
+from app.models.static_content import StaticContent
 
 __all__ = [
     "User",
@@ -35,4 +38,8 @@ __all__ = [
     "DisputeStatus",
     "DisputeComment",
     "DisputeVote",
+    "AdminLog",
+    "AdminActionType",
+    "Admin2FASession",
+    "StaticContent",
 ]

backend/app/models/admin_2fa.py

@@ -0,0 +1,20 @@
+from datetime import datetime
+from sqlalchemy import String, DateTime, Integer, ForeignKey, Boolean
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class Admin2FASession(Base):
+    __tablename__ = "admin_2fa_sessions"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False, index=True)
+    code: Mapped[str] = mapped_column(String(6), nullable=False)
+    telegram_sent: Mapped[bool] = mapped_column(Boolean, default=False)
+    is_verified: Mapped[bool] = mapped_column(Boolean, default=False)
+    expires_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    user: Mapped["User"] = relationship("User", foreign_keys=[user_id])

backend/app/models/admin_log.py

@@ -0,0 +1,46 @@
+from datetime import datetime
+from enum import Enum
+from sqlalchemy import String, DateTime, Integer, ForeignKey, JSON
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class AdminActionType(str, Enum):
+    # User actions
+    USER_BAN = "user_ban"
+    USER_UNBAN = "user_unban"
+    USER_AUTO_UNBAN = "user_auto_unban"  # System automatic unban
+    USER_ROLE_CHANGE = "user_role_change"
+
+    # Marathon actions
+    MARATHON_FORCE_FINISH = "marathon_force_finish"
+    MARATHON_DELETE = "marathon_delete"
+
+    # Content actions
+    CONTENT_UPDATE = "content_update"
+
+    # Broadcast actions
+    BROADCAST_ALL = "broadcast_all"
+    BROADCAST_MARATHON = "broadcast_marathon"
+
+    # Auth actions
+    ADMIN_LOGIN = "admin_login"
+    ADMIN_2FA_SUCCESS = "admin_2fa_success"
+    ADMIN_2FA_FAIL = "admin_2fa_fail"
+
+
+class AdminLog(Base):
+    __tablename__ = "admin_logs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    admin_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("users.id"), nullable=True, index=True)  # Nullable for system actions
+    action: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
+    target_type: Mapped[str] = mapped_column(String(50), nullable=False)
+    target_id: Mapped[int] = mapped_column(Integer, nullable=False)
+    details: Mapped[dict | None] = mapped_column(JSON, nullable=True)
+    ip_address: Mapped[str | None] = mapped_column(String(50), nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, index=True)
+
+    # Relationships
+    admin: Mapped["User"] = relationship("User", foreign_keys=[admin_id])

backend/app/models/challenge.py

@@ -29,6 +29,12 @@ class ProofType(str, Enum):
     STEAM = "steam"
 
 
+class ChallengeStatus(str, Enum):
+    PENDING = "pending"
+    APPROVED = "approved"
+    REJECTED = "rejected"
+
+
 class Challenge(Base):
     __tablename__ = "challenges"
 
@@ -45,8 +51,13 @@ class Challenge(Base):
     is_generated: Mapped[bool] = mapped_column(Boolean, default=True)
     created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
 
+    # Proposed challenges support
+    proposed_by_id: Mapped[int | None] = mapped_column(ForeignKey("users.id"), nullable=True)
+    status: Mapped[str] = mapped_column(String(20), default="approved")  # pending, approved, rejected
+
     # Relationships
     game: Mapped["Game"] = relationship("Game", back_populates="challenges")
+    proposed_by: Mapped["User"] = relationship("User", foreign_keys=[proposed_by_id])
     assignments: Mapped[list["Assignment"]] = relationship(
         "Assignment",
         back_populates="challenge"

backend/app/models/static_content.py

@@ -0,0 +1,20 @@
+from datetime import datetime
+from sqlalchemy import String, DateTime, Integer, ForeignKey, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class StaticContent(Base):
+    __tablename__ = "static_content"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    key: Mapped[str] = mapped_column(String(100), unique=True, nullable=False, index=True)
+    title: Mapped[str] = mapped_column(String(200), nullable=False)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    updated_by_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("users.id"), nullable=True)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    updated_by: Mapped["User | None"] = relationship("User", foreign_keys=[updated_by_id])

backend/app/models/user.py

@@ -1,6 +1,6 @@
 from datetime import datetime
 from enum import Enum
-from sqlalchemy import String, BigInteger, DateTime
+from sqlalchemy import String, BigInteger, DateTime, Boolean, ForeignKey, Integer
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from app.core.database import Base
@@ -27,6 +27,13 @@ class User(Base):
     role: Mapped[str] = mapped_column(String(20), default=UserRole.USER.value)
     created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
 
+    # Ban fields
+    is_banned: Mapped[bool] = mapped_column(Boolean, default=False)
+    banned_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    banned_until: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)  # None = permanent
+    banned_by_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("users.id"), nullable=True)
+    ban_reason: Mapped[str | None] = mapped_column(String(500), nullable=True)
+
     # Relationships
     created_marathons: Mapped[list["Marathon"]] = relationship(
         "Marathon",
@@ -47,6 +54,11 @@ class User(Base):
         back_populates="approved_by",
         foreign_keys="Game.approved_by_id"
     )
+    banned_by: Mapped["User | None"] = relationship(
+        "User",
+        remote_side="User.id",
+        foreign_keys=[banned_by_id]
+    )
 
     @property
     def is_admin(self) -> bool:

backend/app/schemas/__init__.py

@@ -81,6 +81,22 @@ from app.schemas.dispute import (
     AssignmentDetailResponse,
     ReturnedAssignmentResponse,
 )
+from app.schemas.admin import (
+    BanUserRequest,
+    AdminUserResponse,
+    AdminLogResponse,
+    AdminLogsListResponse,
+    BroadcastRequest,
+    BroadcastResponse,
+    StaticContentResponse,
+    StaticContentUpdate,
+    StaticContentCreate,
+    TwoFactorInitiateRequest,
+    TwoFactorInitiateResponse,
+    TwoFactorVerifyRequest,
+    LoginResponse,
+    DashboardStats,
+)
 
 __all__ = [
     # User
@@ -157,4 +173,19 @@ __all__ = [
     "DisputeResponse",
     "AssignmentDetailResponse",
     "ReturnedAssignmentResponse",
+    # Admin
+    "BanUserRequest",
+    "AdminUserResponse",
+    "AdminLogResponse",
+    "AdminLogsListResponse",
+    "BroadcastRequest",
+    "BroadcastResponse",
+    "StaticContentResponse",
+    "StaticContentUpdate",
+    "StaticContentCreate",
+    "TwoFactorInitiateRequest",
+    "TwoFactorInitiateResponse",
+    "TwoFactorVerifyRequest",
+    "LoginResponse",
+    "DashboardStats",
 ]

backend/app/schemas/admin.py

@@ -0,0 +1,119 @@
+from datetime import datetime
+from pydantic import BaseModel, Field
+from typing import Any
+
+
+# ============ User Ban ============
+class BanUserRequest(BaseModel):
+    reason: str = Field(..., min_length=1, max_length=500)
+    banned_until: datetime | None = None  # None = permanent ban
+
+
+class AdminUserResponse(BaseModel):
+    id: int
+    login: str
+    nickname: str
+    role: str
+    avatar_url: str | None = None
+    telegram_id: int | None = None
+    telegram_username: str | None = None
+    marathons_count: int = 0
+    created_at: str
+    is_banned: bool = False
+    banned_at: str | None = None
+    banned_until: str | None = None  # None = permanent
+    ban_reason: str | None = None
+
+    class Config:
+        from_attributes = True
+
+
+# ============ Admin Logs ============
+class AdminLogResponse(BaseModel):
+    id: int
+    admin_id: int | None = None  # Nullable for system actions
+    admin_nickname: str | None = None  # Nullable for system actions
+    action: str
+    target_type: str
+    target_id: int
+    details: dict | None = None
+    ip_address: str | None = None
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class AdminLogsListResponse(BaseModel):
+    logs: list[AdminLogResponse]
+    total: int
+
+
+# ============ Broadcast ============
+class BroadcastRequest(BaseModel):
+    message: str = Field(..., min_length=1, max_length=2000)
+
+
+class BroadcastResponse(BaseModel):
+    sent_count: int
+    total_count: int
+
+
+# ============ Static Content ============
+class StaticContentResponse(BaseModel):
+    id: int
+    key: str
+    title: str
+    content: str
+    updated_at: datetime
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class StaticContentUpdate(BaseModel):
+    title: str = Field(..., min_length=1, max_length=200)
+    content: str = Field(..., min_length=1)
+
+
+class StaticContentCreate(BaseModel):
+    key: str = Field(..., min_length=1, max_length=100, pattern=r"^[a-z0-9_-]+$")
+    title: str = Field(..., min_length=1, max_length=200)
+    content: str = Field(..., min_length=1)
+
+
+# ============ 2FA ============
+class TwoFactorInitiateRequest(BaseModel):
+    pass  # No additional data needed
+
+
+class TwoFactorInitiateResponse(BaseModel):
+    session_id: int
+    expires_at: datetime
+    message: str = "Code sent to Telegram"
+
+
+class TwoFactorVerifyRequest(BaseModel):
+    session_id: int
+    code: str = Field(..., min_length=6, max_length=6)
+
+
+class LoginResponse(BaseModel):
+    """Login response that may require 2FA"""
+    access_token: str | None = None
+    token_type: str = "bearer"
+    user: Any = None  # UserPrivate
+    requires_2fa: bool = False
+    two_factor_session_id: int | None = None
+
+
+# ============ Dashboard Stats ============
+class DashboardStats(BaseModel):
+    users_count: int
+    banned_users_count: int
+    marathons_count: int
+    active_marathons_count: int
+    games_count: int
+    total_participations: int
+    recent_logs: list[AdminLogResponse] = []

backend/app/schemas/challenge.py

@@ -1,10 +1,19 @@
 from datetime import datetime
 from pydantic import BaseModel, Field
 
-from app.models.challenge import ChallengeType, Difficulty, ProofType
+from app.models.challenge import ChallengeType, Difficulty, ProofType, ChallengeStatus
 from app.schemas.game import GameShort
 
 
+class ProposedByUser(BaseModel):
+    """Minimal user info for proposed challenges"""
+    id: int
+    nickname: str
+
+    class Config:
+        from_attributes = True
+
+
 class ChallengeBase(BaseModel):
     title: str = Field(..., min_length=1, max_length=100)
     description: str = Field(..., min_length=1)
@@ -36,11 +45,18 @@ class ChallengeResponse(ChallengeBase):
     game: GameShort
     is_generated: bool
     created_at: datetime
+    status: str = "approved"
+    proposed_by: ProposedByUser | None = None
 
     class Config:
         from_attributes = True
 
 
+class ChallengePropose(ChallengeBase):
+    """Schema for proposing a challenge by a participant"""
+    pass
+
+
 class ChallengeGenerated(BaseModel):
     """Schema for GPT-generated challenges"""
     title: str

backend/app/services/telegram_notifier.py

@@ -276,6 +276,42 @@ class TelegramNotifier:
         )
         return await self.notify_user(db, user_id, message)
 
+    async def notify_challenge_approved(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        marathon_title: str,
+        game_title: str,
+        challenge_title: str
+    ) -> bool:
+        """Notify user that their proposed challenge was approved."""
+        message = (
+            f"✅ <b>Твой челлендж одобрен!</b>\n\n"
+            f"Марафон: {marathon_title}\n"
+            f"Игра: {game_title}\n"
+            f"Задание: {challenge_title}\n\n"
+            f"Теперь оно доступно для всех участников."
+        )
+        return await self.notify_user(db, user_id, message)
+
+    async def notify_challenge_rejected(
+        self,
+        db: AsyncSession,
+        user_id: int,
+        marathon_title: str,
+        game_title: str,
+        challenge_title: str
+    ) -> bool:
+        """Notify user that their proposed challenge was rejected."""
+        message = (
+            f"❌ <b>Твой челлендж отклонён</b>\n\n"
+            f"Марафон: {marathon_title}\n"
+            f"Игра: {game_title}\n"
+            f"Задание: {challenge_title}\n\n"
+            f"Ты можешь предложить другой челлендж."
+        )
+        return await self.notify_user(db, user_id, message)
+
 
 # Global instance
 telegram_notifier = TelegramNotifier()

docker-compose.yml

@@ -27,7 +27,7 @@ services:
       SECRET_KEY: ${SECRET_KEY:-change-me-in-production}
       OPENAI_API_KEY: ${OPENAI_API_KEY}
       TELEGRAM_BOT_TOKEN: ${TELEGRAM_BOT_TOKEN}
-      TELEGRAM_BOT_USERNAME: ${TELEGRAM_BOT_USERNAME:-GameMarathonBot}
+      TELEGRAM_BOT_USERNAME: ${TELEGRAM_BOT_USERNAME:-BCMarathonbot}
       BOT_API_SECRET: ${BOT_API_SECRET:-}
       DEBUG: ${DEBUG:-false}
       # S3 Storage

frontend/src/App.tsx

@@ -1,6 +1,7 @@
 import { Routes, Route, Navigate } from 'react-router-dom'
 import { useAuthStore } from '@/store/auth'
 import { ToastContainer, ConfirmModal } from '@/components/ui'
+import { BannedScreen } from '@/components/BannedScreen'
 
 // Layout
 import { Layout } from '@/components/layout/Layout'
@@ -23,6 +24,17 @@ import { NotFoundPage } from '@/pages/NotFoundPage'
 import { TeapotPage } from '@/pages/TeapotPage'
 import { ServerErrorPage } from '@/pages/ServerErrorPage'
 
+// Admin Pages
+import {
+  AdminLayout,
+  AdminDashboardPage,
+  AdminUsersPage,
+  AdminMarathonsPage,
+  AdminLogsPage,
+  AdminBroadcastPage,
+  AdminContentPage,
+} from '@/pages/admin'
+
 // Protected route wrapper
 function ProtectedRoute({ children }: { children: React.ReactNode }) {
   const isAuthenticated = useAuthStore((state) => state.isAuthenticated)
@@ -46,6 +58,19 @@ function PublicRoute({ children }: { children: React.ReactNode }) {
 }
 
 function App() {
+  const banInfo = useAuthStore((state) => state.banInfo)
+  const isAuthenticated = useAuthStore((state) => state.isAuthenticated)
+
+  // Show banned screen if user is authenticated and banned
+  if (isAuthenticated && banInfo) {
+    return (
+      <>
+        <ToastContainer />
+        <BannedScreen banInfo={banInfo} />
+      </>
+    )
+  }
+
   return (
     <>
     <ToastContainer />
@@ -159,6 +184,23 @@ function App() {
         <Route path="500" element={<ServerErrorPage />} />
         <Route path="error" element={<ServerErrorPage />} />
 
+        {/* Admin routes */}
+        <Route
+          path="admin"
+          element={
+            <ProtectedRoute>
+              <AdminLayout />
+            </ProtectedRoute>
+          }
+        >
+          <Route index element={<AdminDashboardPage />} />
+          <Route path="users" element={<AdminUsersPage />} />
+          <Route path="marathons" element={<AdminMarathonsPage />} />
+          <Route path="logs" element={<AdminLogsPage />} />
+          <Route path="broadcast" element={<AdminBroadcastPage />} />
+          <Route path="content" element={<AdminContentPage />} />
+        </Route>
+
         {/* 404 - must be last */}
         <Route path="*" element={<NotFoundPage />} />
       </Route>

frontend/src/api/admin.ts

@@ -1,10 +1,25 @@
 import client from './client'
-import type { AdminUser, AdminMarathon, UserRole, PlatformStats } from '@/types'
+import type {
+  AdminUser,
+  AdminMarathon,
+  UserRole,
+  PlatformStats,
+  AdminLogsResponse,
+  BroadcastResponse,
+  StaticContent,
+  DashboardStats
+} from '@/types'
 
 export const adminApi = {
+  // Dashboard
+  getDashboard: async (): Promise<DashboardStats> => {
+    const response = await client.get<DashboardStats>('/admin/dashboard')
+    return response.data
+  },
+
   // Users
-  listUsers: async (skip = 0, limit = 50, search?: string): Promise<AdminUser[]> => {
-    const params: Record<string, unknown> = { skip, limit }
+  listUsers: async (skip = 0, limit = 50, search?: string, bannedOnly = false): Promise<AdminUser[]> => {
+    const params: Record<string, unknown> = { skip, limit, banned_only: bannedOnly }
     if (search) params.search = search
     const response = await client.get<AdminUser[]>('/admin/users', { params })
     return response.data
@@ -24,6 +39,19 @@ export const adminApi = {
     await client.delete(`/admin/users/${id}`)
   },
 
+  banUser: async (id: number, reason: string, bannedUntil?: string): Promise<AdminUser> => {
+    const response = await client.post<AdminUser>(`/admin/users/${id}/ban`, {
+      reason,
+      banned_until: bannedUntil || null,
+    })
+    return response.data
+  },
+
+  unbanUser: async (id: number): Promise<AdminUser> => {
+    const response = await client.post<AdminUser>(`/admin/users/${id}/unban`)
+    return response.data
+  },
+
   // Marathons
   listMarathons: async (skip = 0, limit = 50, search?: string): Promise<AdminMarathon[]> => {
     const params: Record<string, unknown> = { skip, limit }
@@ -36,9 +64,62 @@ export const adminApi = {
     await client.delete(`/admin/marathons/${id}`)
   },
 
+  forceFinishMarathon: async (id: number): Promise<void> => {
+    await client.post(`/admin/marathons/${id}/force-finish`)
+  },
+
   // Stats
   getStats: async (): Promise<PlatformStats> => {
     const response = await client.get<PlatformStats>('/admin/stats')
     return response.data
   },
+
+  // Logs
+  getLogs: async (skip = 0, limit = 50, action?: string, adminId?: number): Promise<AdminLogsResponse> => {
+    const params: Record<string, unknown> = { skip, limit }
+    if (action) params.action = action
+    if (adminId) params.admin_id = adminId
+    const response = await client.get<AdminLogsResponse>('/admin/logs', { params })
+    return response.data
+  },
+
+  // Broadcast
+  broadcastToAll: async (message: string): Promise<BroadcastResponse> => {
+    const response = await client.post<BroadcastResponse>('/admin/broadcast/all', { message })
+    return response.data
+  },
+
+  broadcastToMarathon: async (marathonId: number, message: string): Promise<BroadcastResponse> => {
+    const response = await client.post<BroadcastResponse>(`/admin/broadcast/marathon/${marathonId}`, { message })
+    return response.data
+  },
+
+  // Static Content
+  listContent: async (): Promise<StaticContent[]> => {
+    const response = await client.get<StaticContent[]>('/admin/content')
+    return response.data
+  },
+
+  getContent: async (key: string): Promise<StaticContent> => {
+    const response = await client.get<StaticContent>(`/admin/content/${key}`)
+    return response.data
+  },
+
+  updateContent: async (key: string, title: string, content: string): Promise<StaticContent> => {
+    const response = await client.put<StaticContent>(`/admin/content/${key}`, { title, content })
+    return response.data
+  },
+
+  createContent: async (key: string, title: string, content: string): Promise<StaticContent> => {
+    const response = await client.post<StaticContent>('/admin/content', { key, title, content })
+    return response.data
+  },
+}
+
+// Public content API (no auth required)
+export const contentApi = {
+  getPublicContent: async (key: string): Promise<StaticContent> => {
+    const response = await client.get<StaticContent>(`/content/${key}`)
+    return response.data
+  },
 }

frontend/src/api/auth.ts

@@ -1,5 +1,5 @@
 import client from './client'
-import type { TokenResponse, User } from '@/types'
+import type { TokenResponse, LoginResponse, User } from '@/types'
 
 export interface RegisterData {
   login: string
@@ -18,8 +18,15 @@ export const authApi = {
     return response.data
   },
 
-  login: async (data: LoginData): Promise<TokenResponse> => {
-    const response = await client.post<TokenResponse>('/auth/login', data)
+  login: async (data: LoginData): Promise<LoginResponse> => {
+    const response = await client.post<LoginResponse>('/auth/login', data)
+    return response.data
+  },
+
+  verify2FA: async (sessionId: number, code: string): Promise<TokenResponse> => {
+    const response = await client.post<TokenResponse>('/auth/2fa/verify', null, {
+      params: { session_id: sessionId, code }
+    })
     return response.data
   },
 

frontend/src/api/client.ts

@@ -1,4 +1,5 @@
 import axios, { AxiosError } from 'axios'
+import { useAuthStore, type BanInfo } from '@/store/auth'
 
 const API_URL = import.meta.env.VITE_API_URL || '/api/v1'
 
@@ -18,10 +19,20 @@ client.interceptors.request.use((config) => {
   return config
 })
 
+// Helper to check if detail is ban info object
+function isBanInfo(detail: unknown): detail is BanInfo {
+  return (
+    typeof detail === 'object' &&
+    detail !== null &&
+    'banned_at' in detail &&
+    'reason' in detail
+  )
+}
+
 // Response interceptor to handle errors
 client.interceptors.response.use(
   (response) => response,
-  (error: AxiosError<{ detail: string }>) => {
+  (error: AxiosError<{ detail: string | BanInfo }>) => {
     // Unauthorized - redirect to login
     if (error.response?.status === 401) {
       localStorage.removeItem('token')
@@ -29,6 +40,15 @@ client.interceptors.response.use(
       window.location.href = '/login'
     }
 
+    // Forbidden - check if user is banned
+    if (error.response?.status === 403) {
+      const detail = error.response.data?.detail
+      if (isBanInfo(detail)) {
+        // User is banned - set ban info in store
+        useAuthStore.getState().setBanned(detail)
+      }
+    }
+
     // Server error or network error - redirect to 500 page
     if (
       error.response?.status === 500 ||

frontend/src/api/games.ts

@@ -79,6 +79,11 @@ export const gamesApi = {
     await client.delete(`/challenges/${id}`)
   },
 
+  updateChallenge: async (id: number, data: Partial<CreateChallengeData>): Promise<Challenge> => {
+    const response = await client.patch<Challenge>(`/challenges/${id}`, data)
+    return response.data
+  },
+
   previewChallenges: async (marathonId: number, gameIds?: number[]): Promise<ChallengesPreviewResponse> => {
     const data = gameIds?.length ? { game_ids: gameIds } : undefined
     const response = await client.post<ChallengesPreviewResponse>(`/marathons/${marathonId}/preview-challenges`, data)
@@ -89,4 +94,30 @@ export const gamesApi = {
     const response = await client.post<{ message: string }>(`/marathons/${marathonId}/save-challenges`, { challenges })
     return response.data
   },
+
+  // Proposed challenges
+  proposeChallenge: async (gameId: number, data: CreateChallengeData): Promise<Challenge> => {
+    const response = await client.post<Challenge>(`/games/${gameId}/propose-challenge`, data)
+    return response.data
+  },
+
+  getProposedChallenges: async (marathonId: number): Promise<Challenge[]> => {
+    const response = await client.get<Challenge[]>(`/marathons/${marathonId}/proposed-challenges`)
+    return response.data
+  },
+
+  getMyProposedChallenges: async (marathonId: number): Promise<Challenge[]> => {
+    const response = await client.get<Challenge[]>(`/marathons/${marathonId}/my-proposed-challenges`)
+    return response.data
+  },
+
+  approveChallenge: async (id: number): Promise<Challenge> => {
+    const response = await client.patch<Challenge>(`/challenges/${id}/approve`)
+    return response.data
+  },
+
+  rejectChallenge: async (id: number): Promise<Challenge> => {
+    const response = await client.patch<Challenge>(`/challenges/${id}/reject`)
+    return response.data
+  },
 }

frontend/src/api/index.ts

@@ -3,7 +3,7 @@ export { marathonsApi } from './marathons'
 export { gamesApi } from './games'
 export { wheelApi } from './wheel'
 export { feedApi } from './feed'
-export { adminApi } from './admin'
+export { adminApi, contentApi } from './admin'
 export { eventsApi } from './events'
 export { challengesApi } from './challenges'
 export { assignmentsApi } from './assignments'

frontend/src/components/BannedScreen.tsx

@@ -0,0 +1,130 @@
+import { Ban, LogOut, Calendar, Clock, AlertTriangle, Sparkles } from 'lucide-react'
+import { useAuthStore } from '@/store/auth'
+import { NeonButton } from '@/components/ui'
+
+interface BanInfo {
+  banned_at: string | null
+  banned_until: string | null
+  reason: string | null
+}
+
+interface BannedScreenProps {
+  banInfo: BanInfo
+}
+
+function formatDate(dateStr: string | null) {
+  if (!dateStr) return null
+  return new Date(dateStr).toLocaleString('ru-RU', {
+    day: '2-digit',
+    month: 'long',
+    year: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+    timeZone: 'Europe/Moscow',
+  }) + ' (МСК)'
+}
+
+export function BannedScreen({ banInfo }: BannedScreenProps) {
+  const logout = useAuthStore((state) => state.logout)
+
+  const bannedAtFormatted = formatDate(banInfo.banned_at)
+  const bannedUntilFormatted = formatDate(banInfo.banned_until)
+
+  return (
+    <div className="min-h-screen bg-dark-900 flex flex-col items-center justify-center text-center px-4">
+      {/* Background effects */}
+      <div className="fixed inset-0 overflow-hidden pointer-events-none">
+        <div className="absolute top-1/4 -left-32 w-96 h-96 bg-red-500/5 rounded-full blur-[100px]" />
+        <div className="absolute bottom-1/4 -right-32 w-96 h-96 bg-orange-500/5 rounded-full blur-[100px]" />
+      </div>
+
+      {/* Icon */}
+      <div className="relative mb-8">
+        <div className="w-32 h-32 rounded-3xl bg-dark-700/50 border-2 border-red-500/30 flex items-center justify-center shadow-[0_0_30px_rgba(239,68,68,0.2)]">
+          <Ban className="w-16 h-16 text-red-400" />
+        </div>
+        <div className="absolute -bottom-2 -right-2 w-12 h-12 rounded-xl bg-red-500/20 border border-red-500/40 flex items-center justify-center animate-pulse">
+          <AlertTriangle className="w-6 h-6 text-red-400" />
+        </div>
+        {/* Decorative dots */}
+        <div className="absolute -top-2 -left-2 w-3 h-3 rounded-full bg-red-500/50 animate-pulse" />
+        <div className="absolute top-4 -right-4 w-2 h-2 rounded-full bg-orange-500/50 animate-pulse" style={{ animationDelay: '0.5s' }} />
+      </div>
+
+      {/* Title with glow */}
+      <div className="relative mb-4">
+        <h1 className="text-4xl font-bold text-transparent bg-clip-text bg-gradient-to-r from-red-400 via-orange-400 to-red-400">
+          Аккаунт заблокирован
+        </h1>
+        <div className="absolute inset-0 text-4xl font-bold text-red-500/20 blur-xl">
+          Аккаунт заблокирован
+        </div>
+      </div>
+
+      <p className="text-gray-400 mb-8 max-w-md">
+        Ваш доступ к платформе был ограничен администрацией.
+      </p>
+
+      {/* Ban Info Card */}
+      <div className="glass rounded-2xl p-6 mb-8 max-w-md w-full border border-red-500/20 text-left space-y-4">
+        {bannedAtFormatted && (
+          <div className="flex items-center gap-3">
+            <div className="p-2 rounded-lg bg-dark-700/50">
+              <Calendar className="w-5 h-5 text-gray-500" />
+            </div>
+            <div>
+              <p className="text-xs text-gray-500 uppercase tracking-wider">Дата блокировки</p>
+              <p className="text-white font-medium">{bannedAtFormatted}</p>
+            </div>
+          </div>
+        )}
+
+        <div className="flex items-center gap-3">
+          <div className="p-2 rounded-lg bg-dark-700/50">
+            <Clock className="w-5 h-5 text-gray-500" />
+          </div>
+          <div>
+            <p className="text-xs text-gray-500 uppercase tracking-wider">Срок</p>
+            <p className={`font-medium ${bannedUntilFormatted ? 'text-amber-400' : 'text-red-400'}`}>
+              {bannedUntilFormatted ? `до ${bannedUntilFormatted}` : 'Навсегда'}
+            </p>
+          </div>
+        </div>
+
+        {banInfo.reason && (
+          <div className="pt-4 border-t border-dark-600">
+            <p className="text-xs text-gray-500 uppercase tracking-wider mb-2">Причина</p>
+            <p className="text-white bg-dark-700/50 rounded-xl p-4 border border-dark-600">
+              {banInfo.reason}
+            </p>
+          </div>
+        )}
+      </div>
+
+      {/* Info text */}
+      <p className="text-gray-500 text-sm mb-8 max-w-md">
+        {banInfo.banned_until
+          ? 'Ваш аккаунт будет автоматически разблокирован по истечении срока.'
+          : 'Если вы считаете, что блокировка ошибочна, обратитесь к администрации.'}
+      </p>
+
+      {/* Logout button */}
+      <NeonButton
+        variant="secondary"
+        size="lg"
+        onClick={logout}
+        icon={<LogOut className="w-5 h-5" />}
+      >
+        Выйти из аккаунта
+      </NeonButton>
+
+      {/* Decorative sparkles */}
+      <div className="absolute top-1/4 left-1/4 opacity-20">
+        <Sparkles className="w-6 h-6 text-red-400 animate-pulse" />
+      </div>
+      <div className="absolute bottom-1/3 right-1/4 opacity-20">
+        <Sparkles className="w-4 h-4 text-orange-400 animate-pulse" style={{ animationDelay: '1s' }} />
+      </div>
+    </div>
+  )
+}

frontend/src/components/layout/Layout.tsx

@@ -1,7 +1,7 @@
 import { useState, useEffect } from 'react'
 import { Outlet, Link, useNavigate, useLocation } from 'react-router-dom'
 import { useAuthStore } from '@/store/auth'
-import { Gamepad2, LogOut, Trophy, User, Menu, X } from 'lucide-react'
+import { Gamepad2, LogOut, Trophy, User, Menu, X, Shield } from 'lucide-react'
 import { TelegramLink } from '@/components/TelegramLink'
 import { clsx } from 'clsx'
 
@@ -74,6 +74,21 @@ export function Layout() {
                   <span>Марафоны</span>
                 </Link>
 
+                {user?.role === 'admin' && (
+                  <Link
+                    to="/admin"
+                    className={clsx(
+                      'flex items-center gap-2 px-3 py-2 rounded-lg transition-all duration-200',
+                      location.pathname.startsWith('/admin')
+                        ? 'text-purple-400 bg-purple-500/10'
+                        : 'text-gray-300 hover:text-white hover:bg-dark-700'
+                    )}
+                  >
+                    <Shield className="w-5 h-5" />
+                    <span>Админка</span>
+                  </Link>
+                )}
+
                 <div className="flex items-center gap-3 ml-2 pl-4 border-l border-dark-600">
                   <Link
                     to="/profile"
@@ -144,6 +159,20 @@ export function Layout() {
                     <Trophy className="w-5 h-5" />
                     <span>Марафоны</span>
                   </Link>
+                  {user?.role === 'admin' && (
+                    <Link
+                      to="/admin"
+                      className={clsx(
+                        'flex items-center gap-3 px-4 py-3 rounded-lg transition-all',
+                        location.pathname.startsWith('/admin')
+                          ? 'text-purple-400 bg-purple-500/10'
+                          : 'text-gray-300 hover:text-white hover:bg-dark-700'
+                      )}
+                    >
+                      <Shield className="w-5 h-5" />
+                      <span>Админка</span>
+                    </Link>
+                  )}
                   <Link
                     to="/profile"
                     className={clsx(

frontend/src/pages/LobbyPage.tsx

@@ -61,6 +61,27 @@ export function LobbyPage() {
   })
   const [isCreatingChallenge, setIsCreatingChallenge] = useState(false)
 
+  // Edit challenge
+  const [editingChallengeId, setEditingChallengeId] = useState<number | null>(null)
+  const [editChallenge, setEditChallenge] = useState({
+    title: '',
+    description: '',
+    type: 'completion',
+    difficulty: 'medium',
+    points: 50,
+    estimated_time: 30,
+    proof_type: 'screenshot',
+    proof_hint: '',
+  })
+  const [isUpdatingChallenge, setIsUpdatingChallenge] = useState(false)
+
+  // Proposed challenges
+  const [proposedChallenges, setProposedChallenges] = useState<Challenge[]>([])
+  const [myProposedChallenges, setMyProposedChallenges] = useState<Challenge[]>([])
+  const [approvingChallengeId, setApprovingChallengeId] = useState<number | null>(null)
+  const [isProposingChallenge, setIsProposingChallenge] = useState(false)
+  const [editingProposedId, setEditingProposedId] = useState<number | null>(null)
+
   // Start marathon
   const [isStarting, setIsStarting] = useState(false)
 
@@ -84,6 +105,23 @@ export function LobbyPage() {
         } catch {
           setPendingGames([])
         }
+        // Load proposed challenges for organizers
+        try {
+          const proposed = await gamesApi.getProposedChallenges(parseInt(id))
+          setProposedChallenges(proposed)
+        } catch {
+          setProposedChallenges([])
+        }
+      }
+
+      // Load my proposed challenges for all participants
+      if (marathonData.my_participation) {
+        try {
+          const myProposed = await gamesApi.getMyProposedChallenges(parseInt(id))
+          setMyProposedChallenges(myProposed)
+        } catch {
+          setMyProposedChallenges([])
+        }
       }
     } catch (error) {
       console.error('Failed to load data:', error)
@@ -249,6 +287,206 @@ export function LobbyPage() {
     }
   }
 
+  const handleStartEditChallenge = (challenge: Challenge) => {
+    setEditingChallengeId(challenge.id)
+    setEditChallenge({
+      title: challenge.title,
+      description: challenge.description,
+      type: challenge.type,
+      difficulty: challenge.difficulty,
+      points: challenge.points,
+      estimated_time: challenge.estimated_time || 30,
+      proof_type: challenge.proof_type,
+      proof_hint: challenge.proof_hint || '',
+    })
+  }
+
+  const handleUpdateChallenge = async (challengeId: number, gameId: number) => {
+    if (!editChallenge.title.trim() || !editChallenge.description.trim()) {
+      toast.warning('Заполните название и описание')
+      return
+    }
+
+    setIsUpdatingChallenge(true)
+    try {
+      await gamesApi.updateChallenge(challengeId, {
+        title: editChallenge.title.trim(),
+        description: editChallenge.description.trim(),
+        type: editChallenge.type,
+        difficulty: editChallenge.difficulty,
+        points: editChallenge.points,
+        estimated_time: editChallenge.estimated_time || undefined,
+        proof_type: editChallenge.proof_type,
+        proof_hint: editChallenge.proof_hint.trim() || undefined,
+      })
+      toast.success('Задание обновлено')
+      setEditingChallengeId(null)
+      const challenges = await gamesApi.getChallenges(gameId)
+      setGameChallenges(prev => ({ ...prev, [gameId]: challenges }))
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось обновить задание')
+    } finally {
+      setIsUpdatingChallenge(false)
+    }
+  }
+
+  const loadProposedChallenges = async () => {
+    if (!id) return
+    try {
+      const proposed = await gamesApi.getProposedChallenges(parseInt(id))
+      setProposedChallenges(proposed)
+    } catch (error) {
+      console.error('Failed to load proposed challenges:', error)
+    }
+  }
+
+  const handleApproveChallenge = async (challengeId: number) => {
+    setApprovingChallengeId(challengeId)
+    try {
+      await gamesApi.approveChallenge(challengeId)
+      toast.success('Задание одобрено')
+      await loadProposedChallenges()
+      // Reload challenges for the game
+      const challenge = proposedChallenges.find(c => c.id === challengeId)
+      if (challenge) {
+        const challenges = await gamesApi.getChallenges(challenge.game.id)
+        setGameChallenges(prev => ({ ...prev, [challenge.game.id]: challenges }))
+      }
+      await loadData()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось одобрить задание')
+    } finally {
+      setApprovingChallengeId(null)
+    }
+  }
+
+  const handleRejectChallenge = async (challengeId: number) => {
+    const confirmed = await confirm({
+      title: 'Отклонить задание?',
+      message: 'Задание будет удалено.',
+      confirmText: 'Отклонить',
+      cancelText: 'Отмена',
+      variant: 'danger',
+    })
+    if (!confirmed) return
+
+    setApprovingChallengeId(challengeId)
+    try {
+      await gamesApi.rejectChallenge(challengeId)
+      toast.success('Задание отклонено')
+      await loadProposedChallenges()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось отклонить задание')
+    } finally {
+      setApprovingChallengeId(null)
+    }
+  }
+
+  const handleStartEditProposed = (challenge: Challenge) => {
+    setEditingProposedId(challenge.id)
+    setEditChallenge({
+      title: challenge.title,
+      description: challenge.description,
+      type: challenge.type,
+      difficulty: challenge.difficulty,
+      points: challenge.points,
+      estimated_time: challenge.estimated_time || 30,
+      proof_type: challenge.proof_type,
+      proof_hint: challenge.proof_hint || '',
+    })
+  }
+
+  const handleUpdateProposedChallenge = async (challengeId: number) => {
+    if (!editChallenge.title.trim() || !editChallenge.description.trim()) {
+      toast.warning('Заполните название и описание')
+      return
+    }
+
+    setIsUpdatingChallenge(true)
+    try {
+      await gamesApi.updateChallenge(challengeId, {
+        title: editChallenge.title.trim(),
+        description: editChallenge.description.trim(),
+        type: editChallenge.type,
+        difficulty: editChallenge.difficulty,
+        points: editChallenge.points,
+        estimated_time: editChallenge.estimated_time || undefined,
+        proof_type: editChallenge.proof_type,
+        proof_hint: editChallenge.proof_hint.trim() || undefined,
+      })
+      toast.success('Задание обновлено')
+      setEditingProposedId(null)
+      await loadProposedChallenges()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось обновить задание')
+    } finally {
+      setIsUpdatingChallenge(false)
+    }
+  }
+
+  const handleProposeChallenge = async (gameId: number) => {
+    if (!newChallenge.title.trim() || !newChallenge.description.trim()) {
+      toast.warning('Заполните название и описание')
+      return
+    }
+
+    setIsProposingChallenge(true)
+    try {
+      await gamesApi.proposeChallenge(gameId, {
+        title: newChallenge.title.trim(),
+        description: newChallenge.description.trim(),
+        type: newChallenge.type,
+        difficulty: newChallenge.difficulty,
+        points: newChallenge.points,
+        estimated_time: newChallenge.estimated_time || undefined,
+        proof_type: newChallenge.proof_type,
+        proof_hint: newChallenge.proof_hint.trim() || undefined,
+      })
+      toast.success('Задание предложено на модерацию')
+      setNewChallenge({
+        title: '',
+        description: '',
+        type: 'completion',
+        difficulty: 'medium',
+        points: 50,
+        estimated_time: 30,
+        proof_type: 'screenshot',
+        proof_hint: '',
+      })
+      setAddingChallengeToGameId(null)
+      await loadData()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось предложить задание')
+    } finally {
+      setIsProposingChallenge(false)
+    }
+  }
+
+  const handleDeleteMyProposedChallenge = async (challengeId: number) => {
+    const confirmed = await confirm({
+      title: 'Удалить предложение?',
+      message: 'Предложенное задание будет удалено.',
+      confirmText: 'Удалить',
+      cancelText: 'Отмена',
+      variant: 'danger',
+    })
+    if (!confirmed) return
+
+    try {
+      await gamesApi.deleteChallenge(challengeId)
+      toast.success('Предложение удалено')
+      await loadData()
+    } catch (err: unknown) {
+      const error = err as { response?: { data?: { detail?: string } } }
+      toast.error(error.response?.data?.detail || 'Не удалось удалить предложение')
+    }
+  }
+
   const handleGenerateChallenges = async () => {
     if (!id) return
 
@@ -476,14 +714,114 @@ export function LobbyPage() {
             </div>
           ) : (
             <>
-              {gameChallenges[game.id]?.length > 0 ? (
-                gameChallenges[game.id].map((challenge) => (
+              {(() => {
+                // For organizers: hide pending challenges (they see them in separate block)
+                // For regular users: hide their own pending/rejected challenges (they see them in "My proposals")
+                //                    but show their own approved challenges in both places
+                const visibleChallenges = isOrganizer
+                  ? gameChallenges[game.id]?.filter(c => c.status !== 'pending') || []
+                  : gameChallenges[game.id]?.filter(c =>
+                      !(c.proposed_by?.id === user?.id && c.status !== 'approved')
+                    ) || []
+
+                return visibleChallenges.length > 0 ? (
+                visibleChallenges.map((challenge) => (
                   <div
                     key={challenge.id}
-                    className="flex items-start justify-between gap-3 p-3 bg-dark-700/50 rounded-lg border border-dark-600"
+                    className="p-3 bg-dark-700/50 rounded-lg border border-dark-600"
                   >
+                    {editingChallengeId === challenge.id ? (
+                      // Edit form
+                      <div className="space-y-3">
+                        <Input
+                          placeholder="Название задания"
+                          value={editChallenge.title}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, title: e.target.value }))}
+                        />
+                        <textarea
+                          placeholder="Описание"
+                          value={editChallenge.description}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, description: e.target.value }))}
+                          className="input w-full resize-none"
+                          rows={2}
+                        />
+                        <div className="grid grid-cols-2 gap-2">
+                          <div>
+                            <label className="text-xs text-gray-400 mb-1 block">Тип</label>
+                            <select
+                              value={editChallenge.type}
+                              onChange={(e) => setEditChallenge(prev => ({ ...prev, type: e.target.value }))}
+                              className="input w-full"
+                            >
+                              <option value="completion">Прохождение</option>
+                              <option value="no_death">Без смертей</option>
+                              <option value="speedrun">Спидран</option>
+                              <option value="collection">Коллекция</option>
+                              <option value="achievement">Достижение</option>
+                              <option value="challenge_run">Челлендж-ран</option>
+                            </select>
+                          </div>
+                          <div>
+                            <label className="text-xs text-gray-400 mb-1 block">Сложность</label>
+                            <select
+                              value={editChallenge.difficulty}
+                              onChange={(e) => setEditChallenge(prev => ({ ...prev, difficulty: e.target.value }))}
+                              className="input w-full"
+                            >
+                              <option value="easy">Легко</option>
+                              <option value="medium">Средне</option>
+                              <option value="hard">Сложно</option>
+                            </select>
+                          </div>
+                        </div>
+                        <div className="grid grid-cols-2 gap-2">
+                          <div>
+                            <label className="text-xs text-gray-400 mb-1 block">Очки</label>
+                            <Input
+                              type="number"
+                              value={editChallenge.points}
+                              onChange={(e) => setEditChallenge(prev => ({ ...prev, points: parseInt(e.target.value) || 0 }))}
+                              min={1}
+                              max={500}
+                            />
+                          </div>
+                          <div>
+                            <label className="text-xs text-gray-400 mb-1 block">Тип пруфа</label>
+                            <select
+                              value={editChallenge.proof_type}
+                              onChange={(e) => setEditChallenge(prev => ({ ...prev, proof_type: e.target.value }))}
+                              className="input w-full"
+                            >
+                              <option value="screenshot">Скриншот</option>
+                              <option value="video">Видео</option>
+                              <option value="steam">Steam</option>
+                            </select>
+                          </div>
+                        </div>
+                        <div className="flex gap-2">
+                          <NeonButton
+                            size="sm"
+                            onClick={() => handleUpdateChallenge(challenge.id, game.id)}
+                            isLoading={isUpdatingChallenge}
+                            icon={<Check className="w-4 h-4" />}
+                          >
+                            Сохранить
+                          </NeonButton>
+                          <NeonButton
+                            variant="outline"
+                            size="sm"
+                            onClick={() => setEditingChallengeId(null)}
+                          >
+                            Отмена
+                          </NeonButton>
+                        </div>
+                      </div>
+                    ) : (
+                      // Display challenge
+                      <div className="flex items-start justify-between gap-3">
                         <div className="flex-1 min-w-0">
                           <div className="flex items-center gap-2 mb-1 flex-wrap">
+                            {challenge.status === 'pending' && getStatusBadge('pending')}
                             <span className={`text-xs px-2 py-0.5 rounded-lg border ${
                               challenge.difficulty === 'easy' ? 'bg-green-500/20 text-green-400 border-green-500/30' :
                               challenge.difficulty === 'medium' ? 'bg-yellow-500/20 text-yellow-400 border-yellow-500/30' :
@@ -500,17 +838,32 @@ export function LobbyPage() {
                                 <Sparkles className="w-3 h-3" /> ИИ
                               </span>
                             )}
+                            {challenge.proposed_by && (
+                              <span className="text-xs text-gray-500 flex items-center gap-1">
+                                <User className="w-3 h-3" /> {challenge.proposed_by.nickname}
+                              </span>
+                            )}
                           </div>
                           <h5 className="text-sm font-medium text-white">{challenge.title}</h5>
                           <p className="text-xs text-gray-400 mt-1">{challenge.description}</p>
                         </div>
                         {isOrganizer && (
+                          <div className="flex gap-1 shrink-0">
+                            <button
+                              onClick={() => handleStartEditChallenge(challenge)}
+                              className="p-1.5 rounded-lg text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                            >
+                              <Edit2 className="w-3 h-3" />
+                            </button>
                             <button
                               onClick={() => handleDeleteChallenge(challenge.id, game.id)}
-                        className="p-1.5 rounded-lg text-red-400 hover:bg-red-500/10 transition-colors shrink-0"
+                              className="p-1.5 rounded-lg text-red-400 hover:bg-red-500/10 transition-colors"
                             >
                               <Trash2 className="w-3 h-3" />
                             </button>
+                          </div>
+                        )}
+                      </div>
                     )}
                   </div>
                 ))
@@ -518,15 +871,16 @@ export function LobbyPage() {
                 <p className="text-center text-gray-500 py-4 text-sm">
                   Нет заданий
                 </p>
-              )}
+              )
+              })()}
 
-              {/* Add challenge form */}
-              {isOrganizer && game.status === 'approved' && (
+              {/* Add/Propose challenge form */}
+              {game.status === 'approved' && (
                 addingChallengeToGameId === game.id ? (
                   <div className="mt-4 p-4 glass rounded-xl space-y-3 border border-neon-500/20">
                     <h4 className="font-semibold text-white text-sm flex items-center gap-2">
                       <Plus className="w-4 h-4 text-neon-400" />
-                      Новое задание
+                      {isOrganizer ? 'Новое задание' : 'Предложить задание'}
                     </h4>
                     <Input
                       placeholder="Название задания"
@@ -613,6 +967,7 @@ export function LobbyPage() {
                       </div>
                     </div>
                     <div className="flex gap-2">
+                      {isOrganizer ? (
                         <NeonButton
                           size="sm"
                           onClick={() => handleCreateChallenge(game.id)}
@@ -622,6 +977,17 @@ export function LobbyPage() {
                         >
                           Добавить
                         </NeonButton>
+                      ) : (
+                        <NeonButton
+                          size="sm"
+                          onClick={() => handleProposeChallenge(game.id)}
+                          isLoading={isProposingChallenge}
+                          disabled={!newChallenge.title || !newChallenge.description}
+                          icon={<Plus className="w-4 h-4" />}
+                        >
+                          Предложить
+                        </NeonButton>
+                      )}
                       <NeonButton
                         variant="outline"
                         size="sm"
@@ -630,6 +996,11 @@ export function LobbyPage() {
                         Отмена
                       </NeonButton>
                     </div>
+                    {!isOrganizer && (
+                      <p className="text-xs text-gray-500">
+                        Задание будет отправлено на модерацию организаторам
+                      </p>
+                    )}
                   </div>
                 ) : (
                   <button
@@ -640,7 +1011,7 @@ export function LobbyPage() {
                     className="w-full mt-2 p-3 rounded-lg border-2 border-dashed border-dark-600 text-gray-400 hover:text-neon-400 hover:border-neon-500/30 transition-all flex items-center justify-center gap-2"
                   >
                     <Plus className="w-4 h-4" />
-                    Добавить задание вручную
+                    {isOrganizer ? 'Добавить задание вручную' : 'Предложить задание'}
                   </button>
                 )
               )}
@@ -721,6 +1092,233 @@ export function LobbyPage() {
         </GlassCard>
       )}
 
+      {/* Proposed challenges for moderation */}
+      {isOrganizer && proposedChallenges.length > 0 && (
+        <GlassCard className="mb-8 border-accent-500/30">
+          <div className="flex items-center gap-3 mb-4">
+            <div className="w-10 h-10 rounded-xl bg-accent-500/20 flex items-center justify-center">
+              <Sparkles className="w-5 h-5 text-accent-400" />
+            </div>
+            <div>
+              <h3 className="font-semibold text-accent-400">Предложенные задания</h3>
+              <p className="text-sm text-gray-400">{proposedChallenges.length} заданий ожидают</p>
+            </div>
+          </div>
+          <div className="space-y-3">
+            {proposedChallenges.map((challenge) => (
+              <div
+                key={challenge.id}
+                className="p-4 bg-dark-700/50 rounded-xl border border-dark-600"
+              >
+                {editingProposedId === challenge.id ? (
+                  // Edit form
+                  <div className="space-y-3">
+                    <span className="text-xs px-2 py-0.5 rounded-lg bg-dark-600 text-gray-400">
+                      {challenge.game.title}
+                    </span>
+                    <Input
+                      placeholder="Название задания"
+                      value={editChallenge.title}
+                      onChange={(e) => setEditChallenge(prev => ({ ...prev, title: e.target.value }))}
+                    />
+                    <textarea
+                      placeholder="Описание"
+                      value={editChallenge.description}
+                      onChange={(e) => setEditChallenge(prev => ({ ...prev, description: e.target.value }))}
+                      className="input w-full resize-none"
+                      rows={2}
+                    />
+                    <div className="grid grid-cols-2 gap-2">
+                      <div>
+                        <label className="text-xs text-gray-400 mb-1 block">Тип</label>
+                        <select
+                          value={editChallenge.type}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, type: e.target.value }))}
+                          className="input w-full"
+                        >
+                          <option value="completion">Прохождение</option>
+                          <option value="no_death">Без смертей</option>
+                          <option value="speedrun">Спидран</option>
+                          <option value="collection">Коллекция</option>
+                          <option value="achievement">Достижение</option>
+                          <option value="challenge_run">Челлендж-ран</option>
+                        </select>
+                      </div>
+                      <div>
+                        <label className="text-xs text-gray-400 mb-1 block">Сложность</label>
+                        <select
+                          value={editChallenge.difficulty}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, difficulty: e.target.value }))}
+                          className="input w-full"
+                        >
+                          <option value="easy">Легко</option>
+                          <option value="medium">Средне</option>
+                          <option value="hard">Сложно</option>
+                        </select>
+                      </div>
+                    </div>
+                    <div className="grid grid-cols-2 gap-2">
+                      <div>
+                        <label className="text-xs text-gray-400 mb-1 block">Очки</label>
+                        <Input
+                          type="number"
+                          value={editChallenge.points}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, points: parseInt(e.target.value) || 0 }))}
+                          min={1}
+                          max={500}
+                        />
+                      </div>
+                      <div>
+                        <label className="text-xs text-gray-400 mb-1 block">Тип пруфа</label>
+                        <select
+                          value={editChallenge.proof_type}
+                          onChange={(e) => setEditChallenge(prev => ({ ...prev, proof_type: e.target.value }))}
+                          className="input w-full"
+                        >
+                          <option value="screenshot">Скриншот</option>
+                          <option value="video">Видео</option>
+                          <option value="steam">Steam</option>
+                        </select>
+                      </div>
+                    </div>
+                    <div className="flex gap-2">
+                      <NeonButton
+                        size="sm"
+                        onClick={() => handleUpdateProposedChallenge(challenge.id)}
+                        isLoading={isUpdatingChallenge}
+                        icon={<Check className="w-4 h-4" />}
+                      >
+                        Сохранить
+                      </NeonButton>
+                      <NeonButton
+                        variant="outline"
+                        size="sm"
+                        onClick={() => setEditingProposedId(null)}
+                      >
+                        Отмена
+                      </NeonButton>
+                    </div>
+                    {challenge.proposed_by && (
+                      <p className="text-xs text-gray-500 flex items-center gap-1">
+                        <User className="w-3 h-3" /> Предложил: {challenge.proposed_by.nickname}
+                      </p>
+                    )}
+                  </div>
+                ) : (
+                  // Display
+                  <div className="flex items-start justify-between gap-3">
+                    <div className="flex-1 min-w-0">
+                      <div className="flex items-center gap-2 mb-2 flex-wrap">
+                        <span className="text-xs px-2 py-0.5 rounded-lg bg-dark-600 text-gray-400">
+                          {challenge.game.title}
+                        </span>
+                        <span className={`text-xs px-2 py-0.5 rounded-lg border ${
+                          challenge.difficulty === 'easy' ? 'bg-green-500/20 text-green-400 border-green-500/30' :
+                          challenge.difficulty === 'medium' ? 'bg-yellow-500/20 text-yellow-400 border-yellow-500/30' :
+                          'bg-red-500/20 text-red-400 border-red-500/30'
+                        }`}>
+                          {challenge.difficulty === 'easy' ? 'Легко' :
+                           challenge.difficulty === 'medium' ? 'Средне' : 'Сложно'}
+                        </span>
+                        <span className="text-xs text-neon-400 font-semibold">
+                          +{challenge.points}
+                        </span>
+                      </div>
+                      <h4 className="font-medium text-white mb-1">{challenge.title}</h4>
+                      <p className="text-sm text-gray-400 mb-2">{challenge.description}</p>
+                      {challenge.proposed_by && (
+                        <p className="text-xs text-gray-500 flex items-center gap-1">
+                          <User className="w-3 h-3" /> Предложил: {challenge.proposed_by.nickname}
+                        </p>
+                      )}
+                    </div>
+                    <div className="flex gap-2 shrink-0">
+                      <button
+                        onClick={() => handleStartEditProposed(challenge)}
+                        className="p-2 rounded-lg text-gray-400 hover:text-white hover:bg-dark-600 transition-colors"
+                      >
+                        <Edit2 className="w-4 h-4" />
+                      </button>
+                      <button
+                        onClick={() => handleApproveChallenge(challenge.id)}
+                        disabled={approvingChallengeId === challenge.id}
+                        className="p-2 rounded-lg text-green-400 hover:bg-green-500/10 transition-colors disabled:opacity-50"
+                      >
+                        {approvingChallengeId === challenge.id ? (
+                          <Loader2 className="w-4 h-4 animate-spin" />
+                        ) : (
+                          <CheckCircle className="w-4 h-4" />
+                        )}
+                      </button>
+                      <button
+                        onClick={() => handleRejectChallenge(challenge.id)}
+                        disabled={approvingChallengeId === challenge.id}
+                        className="p-2 rounded-lg text-red-400 hover:bg-red-500/10 transition-colors disabled:opacity-50"
+                      >
+                        <XCircle className="w-4 h-4" />
+                      </button>
+                    </div>
+                  </div>
+                )}
+              </div>
+            ))}
+          </div>
+        </GlassCard>
+      )}
+
+      {/* My proposed challenges (for non-organizers) */}
+      {!isOrganizer && myProposedChallenges.length > 0 && (
+        <GlassCard className="mb-8 border-neon-500/30">
+          <div className="flex items-center gap-3 mb-4">
+            <div className="w-10 h-10 rounded-xl bg-neon-500/20 flex items-center justify-center">
+              <Sparkles className="w-5 h-5 text-neon-400" />
+            </div>
+            <div>
+              <h3 className="font-semibold text-neon-400">Мои предложения</h3>
+              <p className="text-sm text-gray-400">{myProposedChallenges.length} заданий</p>
+            </div>
+          </div>
+          <div className="space-y-3">
+            {myProposedChallenges.map((challenge) => (
+              <div
+                key={challenge.id}
+                className="flex items-start justify-between gap-3 p-4 bg-dark-700/50 rounded-xl border border-dark-600"
+              >
+                <div className="flex-1 min-w-0">
+                  <div className="flex items-center gap-2 mb-2 flex-wrap">
+                    <span className="text-xs px-2 py-0.5 rounded-lg bg-dark-600 text-gray-400">
+                      {challenge.game.title}
+                    </span>
+                    {getStatusBadge(challenge.status)}
+                    <span className={`text-xs px-2 py-0.5 rounded-lg border ${
+                      challenge.difficulty === 'easy' ? 'bg-green-500/20 text-green-400 border-green-500/30' :
+                      challenge.difficulty === 'medium' ? 'bg-yellow-500/20 text-yellow-400 border-yellow-500/30' :
+                      'bg-red-500/20 text-red-400 border-red-500/30'
+                    }`}>
+                      {challenge.difficulty === 'easy' ? 'Легко' :
+                       challenge.difficulty === 'medium' ? 'Средне' : 'Сложно'}
+                    </span>
+                    <span className="text-xs text-neon-400 font-semibold">
+                      +{challenge.points}
+                    </span>
+                  </div>
+                  <h4 className="font-medium text-white mb-1">{challenge.title}</h4>
+                  <p className="text-sm text-gray-400">{challenge.description}</p>
+                </div>
+                {challenge.status === 'pending' && (
+                  <button
+                    onClick={() => handleDeleteMyProposedChallenge(challenge.id)}
+                    className="p-2 rounded-lg text-red-400 hover:bg-red-500/10 transition-colors shrink-0"
+                  >
+                    <Trash2 className="w-4 h-4" />
+                  </button>
+                )}
+              </div>
+            ))}
+          </div>
+        </GlassCard>
+      )}
+
       {/* Generate challenges */}
       {isOrganizer && approvedGames.length > 0 && !previewChallenges && (
         <GlassCard className="mb-8">

frontend/src/pages/LoginPage.tsx

@@ -6,7 +6,7 @@ import { z } from 'zod'
 import { useAuthStore } from '@/store/auth'
 import { marathonsApi } from '@/api'
 import { NeonButton, Input, GlassCard } from '@/components/ui'
-import { Gamepad2, LogIn, AlertCircle, Trophy, Users, Zap, Target } from 'lucide-react'
+import { Gamepad2, LogIn, AlertCircle, Trophy, Users, Zap, Target, Shield, ArrowLeft } from 'lucide-react'
 
 const loginSchema = z.object({
   login: z.string().min(3, 'Логин должен быть не менее 3 символов'),
@@ -17,8 +17,9 @@ type LoginForm = z.infer<typeof loginSchema>
 
 export function LoginPage() {
   const navigate = useNavigate()
-  const { login, isLoading, error, clearError, consumePendingInviteCode } = useAuthStore()
+  const { login, verify2FA, cancel2FA, pending2FA, isLoading, error, clearError, consumePendingInviteCode } = useAuthStore()
   const [submitError, setSubmitError] = useState<string | null>(null)
+  const [twoFACode, setTwoFACode] = useState('')
 
   const {
     register,
@@ -32,7 +33,12 @@ export function LoginPage() {
     setSubmitError(null)
     clearError()
     try {
-      await login(data)
+      const result = await login(data)
+
+      // If 2FA required, don't navigate
+      if (result.requires2FA) {
+        return
+      }
 
       // Check for pending invite code
       const pendingCode = consumePendingInviteCode()
@@ -52,6 +58,24 @@ export function LoginPage() {
     }
   }
 
+  const handle2FASubmit = async (e: React.FormEvent) => {
+    e.preventDefault()
+    setSubmitError(null)
+    clearError()
+    try {
+      await verify2FA(twoFACode)
+      navigate('/marathons')
+    } catch {
+      setSubmitError(error || 'Неверный код')
+    }
+  }
+
+  const handleCancel2FA = () => {
+    cancel2FA()
+    setTwoFACode('')
+    setSubmitError(null)
+  }
+
   const features = [
     { icon: <Trophy className="w-5 h-5" />, text: 'Соревнуйтесь с друзьями' },
     { icon: <Target className="w-5 h-5" />, text: 'Выполняйте челленджи' },
@@ -113,6 +137,63 @@ export function LoginPage() {
 
           {/* Form Block (right) */}
           <GlassCard className="p-8">
+            {pending2FA ? (
+              // 2FA Form
+              <>
+                {/* Header */}
+                <div className="text-center mb-8">
+                  <div className="w-16 h-16 mx-auto mb-4 rounded-2xl bg-neon-500/10 border border-neon-500/30 flex items-center justify-center">
+                    <Shield className="w-8 h-8 text-neon-500" />
+                  </div>
+                  <h2 className="text-2xl font-bold text-white mb-2">Двухфакторная аутентификация</h2>
+                  <p className="text-gray-400">Введите код из Telegram</p>
+                </div>
+
+                {/* 2FA Form */}
+                <form onSubmit={handle2FASubmit} className="space-y-5">
+                  {(submitError || error) && (
+                    <div className="flex items-center gap-3 p-4 bg-red-500/10 border border-red-500/30 rounded-xl text-red-400 text-sm animate-shake">
+                      <AlertCircle className="w-5 h-5 flex-shrink-0" />
+                      <span>{submitError || error}</span>
+                    </div>
+                  )}
+
+                  <Input
+                    label="Код подтверждения"
+                    placeholder="000000"
+                    value={twoFACode}
+                    onChange={(e) => setTwoFACode(e.target.value.replace(/\D/g, '').slice(0, 6))}
+                    maxLength={6}
+                    className="text-center text-2xl tracking-widest font-mono"
+                    autoFocus
+                  />
+
+                  <NeonButton
+                    type="submit"
+                    className="w-full"
+                    size="lg"
+                    isLoading={isLoading}
+                    disabled={twoFACode.length !== 6}
+                    icon={<Shield className="w-5 h-5" />}
+                  >
+                    Подтвердить
+                  </NeonButton>
+                </form>
+
+                {/* Back button */}
+                <div className="mt-6 pt-6 border-t border-dark-600 text-center">
+                  <button
+                    onClick={handleCancel2FA}
+                    className="text-gray-400 hover:text-white transition-colors text-sm flex items-center justify-center gap-2 mx-auto"
+                  >
+                    <ArrowLeft className="w-4 h-4" />
+                    Вернуться к входу
+                  </button>
+                </div>
+              </>
+            ) : (
+              // Regular Login Form
+              <>
                 {/* Header */}
                 <div className="text-center mb-8">
                   <h2 className="text-2xl font-bold text-white mb-2">Добро пожаловать!</h2>
@@ -168,6 +249,8 @@ export function LoginPage() {
                     </Link>
                   </p>
                 </div>
+              </>
+            )}
           </GlassCard>
         </div>
 

frontend/src/pages/admin/AdminBroadcastPage.tsx

@@ -0,0 +1,190 @@
+import { useState, useEffect } from 'react'
+import { adminApi } from '@/api'
+import type { AdminMarathon } from '@/types'
+import { useToast } from '@/store/toast'
+import { NeonButton } from '@/components/ui'
+import { Send, Users, Trophy, AlertTriangle } from 'lucide-react'
+
+export function AdminBroadcastPage() {
+  const [message, setMessage] = useState('')
+  const [targetType, setTargetType] = useState<'all' | 'marathon'>('all')
+  const [marathonId, setMarathonId] = useState<number | null>(null)
+  const [marathons, setMarathons] = useState<AdminMarathon[]>([])
+  const [sending, setSending] = useState(false)
+  const [loadingMarathons, setLoadingMarathons] = useState(false)
+
+  const toast = useToast()
+
+  useEffect(() => {
+    if (targetType === 'marathon') {
+      loadMarathons()
+    }
+  }, [targetType])
+
+  const loadMarathons = async () => {
+    setLoadingMarathons(true)
+    try {
+      const data = await adminApi.listMarathons(0, 100)
+      setMarathons(data.filter(m => m.status === 'active'))
+    } catch (err) {
+      console.error('Failed to load marathons:', err)
+    } finally {
+      setLoadingMarathons(false)
+    }
+  }
+
+  const handleSend = async () => {
+    if (!message.trim()) {
+      toast.error('Введите сообщение')
+      return
+    }
+
+    if (targetType === 'marathon' && !marathonId) {
+      toast.error('Выберите марафон')
+      return
+    }
+
+    setSending(true)
+    try {
+      let result
+      if (targetType === 'all') {
+        result = await adminApi.broadcastToAll(message)
+      } else {
+        result = await adminApi.broadcastToMarathon(marathonId!, message)
+      }
+
+      toast.success(`Отправлено ${result.sent_count} из ${result.total_count} сообщений`)
+      setMessage('')
+    } catch (err) {
+      console.error('Failed to send broadcast:', err)
+      toast.error('Ошибка отправки')
+    } finally {
+      setSending(false)
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center gap-3">
+        <div className="p-2 rounded-lg bg-pink-500/20 border border-pink-500/30">
+          <Send className="w-6 h-6 text-pink-400" />
+        </div>
+        <h1 className="text-2xl font-bold text-white">Рассылка уведомлений</h1>
+      </div>
+
+      <div className="max-w-2xl space-y-6">
+        {/* Target Selection */}
+        <div className="space-y-3">
+          <label className="block text-sm font-medium text-gray-300">
+            Кому отправить
+          </label>
+          <div className="flex gap-4">
+            <button
+              onClick={() => {
+                setTargetType('all')
+                setMarathonId(null)
+              }}
+              className={`flex-1 flex items-center justify-center gap-3 p-4 rounded-xl border transition-all duration-200 ${
+                targetType === 'all'
+                  ? 'bg-accent-500/20 border-accent-500/50 text-accent-400 shadow-[0_0_15px_rgba(139,92,246,0.15)]'
+                  : 'bg-dark-700/50 border-dark-600 text-gray-400 hover:border-dark-500 hover:text-gray-300'
+              }`}
+            >
+              <Users className="w-5 h-5" />
+              <span className="font-medium">Всем пользователям</span>
+            </button>
+            <button
+              onClick={() => setTargetType('marathon')}
+              className={`flex-1 flex items-center justify-center gap-3 p-4 rounded-xl border transition-all duration-200 ${
+                targetType === 'marathon'
+                  ? 'bg-accent-500/20 border-accent-500/50 text-accent-400 shadow-[0_0_15px_rgba(139,92,246,0.15)]'
+                  : 'bg-dark-700/50 border-dark-600 text-gray-400 hover:border-dark-500 hover:text-gray-300'
+              }`}
+            >
+              <Trophy className="w-5 h-5" />
+              <span className="font-medium">Участникам марафона</span>
+            </button>
+          </div>
+        </div>
+
+        {/* Marathon Selection */}
+        {targetType === 'marathon' && (
+          <div className="space-y-2">
+            <label className="block text-sm font-medium text-gray-300">
+              Выберите марафон
+            </label>
+            {loadingMarathons ? (
+              <div className="animate-pulse bg-dark-700 h-12 rounded-xl" />
+            ) : (
+              <select
+                value={marathonId || ''}
+                onChange={(e) => setMarathonId(Number(e.target.value) || null)}
+                className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-3 text-white focus:outline-none focus:border-accent-500/50 transition-colors"
+              >
+                <option value="">Выберите марафон...</option>
+                {marathons.map((m) => (
+                  <option key={m.id} value={m.id}>
+                    {m.title} ({m.participants_count} участников)
+                  </option>
+                ))}
+              </select>
+            )}
+            {marathons.length === 0 && !loadingMarathons && (
+              <p className="text-sm text-gray-500">Нет активных марафонов</p>
+            )}
+          </div>
+        )}
+
+        {/* Message */}
+        <div className="space-y-2">
+          <label className="block text-sm font-medium text-gray-300">
+            Сообщение
+          </label>
+          <textarea
+            value={message}
+            onChange={(e) => setMessage(e.target.value)}
+            rows={6}
+            placeholder="Введите текст сообщения... (поддерживается HTML: <b>, <i>, <code>)"
+            className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-3 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 transition-colors resize-none"
+          />
+          <div className="flex items-center justify-between text-xs">
+            <p className="text-gray-500">
+              Поддерживается HTML: &lt;b&gt;, &lt;i&gt;, &lt;code&gt;, &lt;a href&gt;
+            </p>
+            <p className={`${message.length > 2000 ? 'text-red-400' : 'text-gray-500'}`}>
+              {message.length} / 2000
+            </p>
+          </div>
+        </div>
+
+        {/* Send Button */}
+        <NeonButton
+          size="lg"
+          color="purple"
+          onClick={handleSend}
+          disabled={sending || !message.trim() || message.length > 2000 || (targetType === 'marathon' && !marathonId)}
+          isLoading={sending}
+          icon={<Send className="w-5 h-5" />}
+          className="w-full"
+        >
+          {sending ? 'Отправка...' : 'Отправить рассылку'}
+        </NeonButton>
+
+        {/* Warning */}
+        <div className="glass rounded-xl p-4 border border-amber-500/20">
+          <div className="flex items-start gap-3">
+            <AlertTriangle className="w-5 h-5 text-amber-400 flex-shrink-0 mt-0.5" />
+            <div>
+              <p className="text-sm text-amber-400 font-medium mb-1">Обратите внимание</p>
+              <p className="text-sm text-gray-400">
+                Сообщение будет отправлено только пользователям с привязанным Telegram.
+                Рассылка ограничена: 1 сообщение всем в минуту, 3 сообщения марафону в минуту.
+              </p>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminContentPage.tsx

@@ -0,0 +1,261 @@
+import { useState, useEffect } from 'react'
+import { adminApi } from '@/api'
+import type { StaticContent } from '@/types'
+import { useToast } from '@/store/toast'
+import { NeonButton } from '@/components/ui'
+import { FileText, Plus, Pencil, X, Save, Code } from 'lucide-react'
+
+function formatDate(dateStr: string) {
+  return new Date(dateStr).toLocaleString('ru-RU', {
+    day: '2-digit',
+    month: '2-digit',
+    year: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  })
+}
+
+export function AdminContentPage() {
+  const [contents, setContents] = useState<StaticContent[]>([])
+  const [loading, setLoading] = useState(true)
+  const [editing, setEditing] = useState<StaticContent | null>(null)
+  const [creating, setCreating] = useState(false)
+  const [saving, setSaving] = useState(false)
+
+  // Form state
+  const [formKey, setFormKey] = useState('')
+  const [formTitle, setFormTitle] = useState('')
+  const [formContent, setFormContent] = useState('')
+
+  const toast = useToast()
+
+  useEffect(() => {
+    loadContents()
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [])
+
+  const loadContents = async () => {
+    try {
+      const data = await adminApi.listContent()
+      setContents(data)
+    } catch (err) {
+      console.error('Failed to load contents:', err)
+      toast.error('Ошибка загрузки контента')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  const handleEdit = (content: StaticContent) => {
+    setEditing(content)
+    setFormKey(content.key)
+    setFormTitle(content.title)
+    setFormContent(content.content)
+    setCreating(false)
+  }
+
+  const handleCreate = () => {
+    setCreating(true)
+    setEditing(null)
+    setFormKey('')
+    setFormTitle('')
+    setFormContent('')
+  }
+
+  const handleCancel = () => {
+    setEditing(null)
+    setCreating(false)
+    setFormKey('')
+    setFormTitle('')
+    setFormContent('')
+  }
+
+  const handleSave = async () => {
+    if (!formTitle.trim() || !formContent.trim()) {
+      toast.error('Заполните все поля')
+      return
+    }
+
+    if (creating && !formKey.trim()) {
+      toast.error('Введите ключ')
+      return
+    }
+
+    setSaving(true)
+    try {
+      if (creating) {
+        const newContent = await adminApi.createContent(formKey, formTitle, formContent)
+        setContents([...contents, newContent])
+        toast.success('Контент создан')
+      } else if (editing) {
+        const updated = await adminApi.updateContent(editing.key, formTitle, formContent)
+        setContents(contents.map(c => c.id === updated.id ? updated : c))
+        toast.success('Контент обновлён')
+      }
+      handleCancel()
+    } catch (err) {
+      console.error('Failed to save content:', err)
+      toast.error('Ошибка сохранения')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <div className="animate-spin rounded-full h-8 w-8 border-2 border-accent-500 border-t-transparent" />
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-3">
+          <div className="p-2 rounded-lg bg-neon-500/20 border border-neon-500/30">
+            <FileText className="w-6 h-6 text-neon-400" />
+          </div>
+          <h1 className="text-2xl font-bold text-white">Статический контент</h1>
+        </div>
+        <NeonButton onClick={handleCreate} icon={<Plus className="w-4 h-4" />}>
+          Добавить
+        </NeonButton>
+      </div>
+
+      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
+        {/* Content List */}
+        <div className="space-y-4">
+          {contents.length === 0 ? (
+            <div className="glass rounded-xl border border-dark-600 p-8 text-center">
+              <FileText className="w-12 h-12 text-gray-600 mx-auto mb-3" />
+              <p className="text-gray-400">Нет статического контента</p>
+              <p className="text-sm text-gray-500 mt-1">Создайте первую страницу</p>
+            </div>
+          ) : (
+            contents.map((content) => (
+              <div
+                key={content.id}
+                className={`glass rounded-xl border p-5 cursor-pointer transition-all duration-200 ${
+                  editing?.id === content.id
+                    ? 'border-accent-500/50 shadow-[0_0_15px_rgba(139,92,246,0.15)]'
+                    : 'border-dark-600 hover:border-dark-500'
+                }`}
+                onClick={() => handleEdit(content)}
+              >
+                <div className="flex items-start justify-between">
+                  <div className="flex-1 min-w-0">
+                    <div className="flex items-center gap-2 mb-2">
+                      <Code className="w-4 h-4 text-neon-400" />
+                      <p className="text-sm text-neon-400 font-mono">{content.key}</p>
+                    </div>
+                    <h3 className="text-lg font-medium text-white truncate">{content.title}</h3>
+                    <p className="text-sm text-gray-400 mt-2 line-clamp-2">
+                      {content.content.replace(/<[^>]*>/g, '').slice(0, 100)}...
+                    </p>
+                  </div>
+                  <button
+                    onClick={(e) => {
+                      e.stopPropagation()
+                      handleEdit(content)
+                    }}
+                    className="p-2 text-gray-400 hover:text-accent-400 hover:bg-accent-500/10 rounded-lg transition-colors ml-3"
+                  >
+                    <Pencil className="w-4 h-4" />
+                  </button>
+                </div>
+                <p className="text-xs text-gray-500 mt-4 pt-3 border-t border-dark-600">
+                  Обновлено: {formatDate(content.updated_at)}
+                </p>
+              </div>
+            ))
+          )}
+        </div>
+
+        {/* Editor */}
+        {(editing || creating) && (
+          <div className="glass rounded-xl border border-dark-600 p-6 sticky top-6 h-fit">
+            <div className="flex items-center justify-between mb-6">
+              <h2 className="text-lg font-semibold text-white flex items-center gap-2">
+                {creating ? (
+                  <>
+                    <Plus className="w-5 h-5 text-neon-400" />
+                    Новый контент
+                  </>
+                ) : (
+                  <>
+                    <Pencil className="w-5 h-5 text-accent-400" />
+                    Редактирование
+                  </>
+                )}
+              </h2>
+              <button
+                onClick={handleCancel}
+                className="p-2 text-gray-400 hover:text-white hover:bg-dark-600/50 rounded-lg transition-colors"
+              >
+                <X className="w-5 h-5" />
+              </button>
+            </div>
+
+            <div className="space-y-4">
+              {creating && (
+                <div>
+                  <label className="block text-sm font-medium text-gray-300 mb-2">
+                    Ключ
+                  </label>
+                  <input
+                    type="text"
+                    value={formKey}
+                    onChange={(e) => setFormKey(e.target.value.toLowerCase().replace(/[^a-z0-9_-]/g, ''))}
+                    placeholder="about-page"
+                    className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white font-mono placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 transition-colors"
+                  />
+                  <p className="text-xs text-gray-500 mt-1.5">
+                    Только буквы, цифры, дефисы и подчеркивания
+                  </p>
+                </div>
+              )}
+
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Заголовок
+                </label>
+                <input
+                  type="text"
+                  value={formTitle}
+                  onChange={(e) => setFormTitle(e.target.value)}
+                  placeholder="Заголовок страницы"
+                  className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 transition-colors"
+                />
+              </div>
+
+              <div>
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Содержимое (HTML)
+                </label>
+                <textarea
+                  value={formContent}
+                  onChange={(e) => setFormContent(e.target.value)}
+                  rows={14}
+                  placeholder="<p>HTML контент...</p>"
+                  className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-3 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 font-mono text-sm resize-none transition-colors"
+                />
+              </div>
+
+              <NeonButton
+                onClick={handleSave}
+                disabled={saving}
+                isLoading={saving}
+                icon={<Save className="w-4 h-4" />}
+                className="w-full"
+              >
+                {saving ? 'Сохранение...' : 'Сохранить'}
+              </NeonButton>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminDashboardPage.tsx

@@ -0,0 +1,207 @@
+import { useState, useEffect } from 'react'
+import { adminApi } from '@/api'
+import type { DashboardStats } from '@/types'
+import { Users, Trophy, Gamepad2, UserCheck, Ban, Activity, TrendingUp } from 'lucide-react'
+
+const ACTION_LABELS: Record<string, string> = {
+  user_ban: 'Бан пользователя',
+  user_unban: 'Разбан пользователя',
+  user_role_change: 'Изменение роли',
+  marathon_force_finish: 'Принудительное завершение',
+  marathon_delete: 'Удаление марафона',
+  content_update: 'Обновление контента',
+  broadcast_all: 'Рассылка всем',
+  broadcast_marathon: 'Рассылка марафону',
+  admin_login: 'Вход админа',
+  admin_2fa_success: '2FA успех',
+  admin_2fa_fail: '2FA неудача',
+}
+
+const ACTION_COLORS: Record<string, string> = {
+  user_ban: 'text-red-400',
+  user_unban: 'text-green-400',
+  user_role_change: 'text-accent-400',
+  marathon_force_finish: 'text-orange-400',
+  marathon_delete: 'text-red-400',
+  content_update: 'text-neon-400',
+  broadcast_all: 'text-pink-400',
+  broadcast_marathon: 'text-pink-400',
+  admin_login: 'text-blue-400',
+  admin_2fa_success: 'text-green-400',
+  admin_2fa_fail: 'text-red-400',
+}
+
+function StatCard({
+  icon: Icon,
+  label,
+  value,
+  gradient,
+  glowColor
+}: {
+  icon: typeof Users
+  label: string
+  value: number
+  gradient: string
+  glowColor: string
+}) {
+  return (
+    <div className={`glass rounded-xl p-5 border border-dark-600 hover:border-dark-500 transition-all duration-300 hover:shadow-[0_0_20px_${glowColor}]`}>
+      <div className="flex items-center gap-4">
+        <div className={`p-3 rounded-xl ${gradient} shadow-lg`}>
+          <Icon className="w-6 h-6 text-white" />
+        </div>
+        <div>
+          <p className="text-sm text-gray-400">{label}</p>
+          <p className="text-2xl font-bold text-white">{value.toLocaleString()}</p>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function formatDate(dateStr: string) {
+  return new Date(dateStr).toLocaleString('ru-RU', {
+    day: '2-digit',
+    month: '2-digit',
+    year: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+  })
+}
+
+export function AdminDashboardPage() {
+  const [stats, setStats] = useState<DashboardStats | null>(null)
+  const [loading, setLoading] = useState(true)
+
+  useEffect(() => {
+    loadDashboard()
+  }, [])
+
+  const loadDashboard = async () => {
+    try {
+      const data = await adminApi.getDashboard()
+      setStats(data)
+    } catch (err) {
+      console.error('Failed to load dashboard:', err)
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <div className="animate-spin rounded-full h-8 w-8 border-2 border-accent-500 border-t-transparent" />
+      </div>
+    )
+  }
+
+  if (!stats) {
+    return (
+      <div className="text-center text-gray-400 py-12">
+        Не удалось загрузить данные
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center gap-3">
+        <div className="p-2 rounded-lg bg-accent-500/20 border border-accent-500/30">
+          <TrendingUp className="w-6 h-6 text-accent-400" />
+        </div>
+        <h1 className="text-2xl font-bold text-white">Дашборд</h1>
+      </div>
+
+      {/* Stats Grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        <StatCard
+          icon={Users}
+          label="Всего пользователей"
+          value={stats.users_count}
+          gradient="bg-gradient-to-br from-blue-500 to-blue-600"
+          glowColor="rgba(59,130,246,0.15)"
+        />
+        <StatCard
+          icon={Ban}
+          label="Заблокировано"
+          value={stats.banned_users_count}
+          gradient="bg-gradient-to-br from-red-500 to-red-600"
+          glowColor="rgba(239,68,68,0.15)"
+        />
+        <StatCard
+          icon={Trophy}
+          label="Всего марафонов"
+          value={stats.marathons_count}
+          gradient="bg-gradient-to-br from-accent-500 to-pink-500"
+          glowColor="rgba(139,92,246,0.15)"
+        />
+        <StatCard
+          icon={Activity}
+          label="Активных марафонов"
+          value={stats.active_marathons_count}
+          gradient="bg-gradient-to-br from-green-500 to-emerald-600"
+          glowColor="rgba(34,197,94,0.15)"
+        />
+        <StatCard
+          icon={Gamepad2}
+          label="Всего игр"
+          value={stats.games_count}
+          gradient="bg-gradient-to-br from-orange-500 to-amber-500"
+          glowColor="rgba(249,115,22,0.15)"
+        />
+        <StatCard
+          icon={UserCheck}
+          label="Участий в марафонах"
+          value={stats.total_participations}
+          gradient="bg-gradient-to-br from-neon-500 to-cyan-500"
+          glowColor="rgba(34,211,238,0.15)"
+        />
+      </div>
+
+      {/* Recent Logs */}
+      <div className="glass rounded-xl border border-dark-600 overflow-hidden">
+        <div className="p-4 border-b border-dark-600">
+          <h2 className="text-lg font-semibold text-white flex items-center gap-2">
+            <Activity className="w-5 h-5 text-accent-400" />
+            Последние действия
+          </h2>
+        </div>
+        <div className="p-4">
+          {stats.recent_logs.length === 0 ? (
+            <p className="text-gray-400 text-center py-4">Нет записей</p>
+          ) : (
+            <div className="space-y-3">
+              {stats.recent_logs.map((log) => (
+                <div
+                  key={log.id}
+                  className="flex items-start justify-between p-4 bg-dark-700/50 hover:bg-dark-700 rounded-xl border border-dark-600 transition-colors"
+                >
+                  <div>
+                    <p className={`font-medium ${ACTION_COLORS[log.action] || 'text-white'}`}>
+                      {ACTION_LABELS[log.action] || log.action}
+                    </p>
+                    <p className="text-sm text-gray-400 mt-1">
+                      <span className="text-gray-500">Админ:</span> {log.admin_nickname}
+                      <span className="text-gray-600 mx-2">•</span>
+                      <span className="text-gray-500">{log.target_type}</span> #{log.target_id}
+                    </p>
+                    {log.details && (
+                      <p className="text-xs text-gray-500 mt-2 font-mono bg-dark-800 rounded px-2 py-1 inline-block">
+                        {JSON.stringify(log.details)}
+                      </p>
+                    )}
+                  </div>
+                  <span className="text-xs text-gray-500 whitespace-nowrap ml-4">
+                    {formatDate(log.created_at)}
+                  </span>
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminLayout.tsx

@@ -0,0 +1,169 @@
+import { Outlet, NavLink, Navigate, Link } from 'react-router-dom'
+import { useAuthStore } from '@/store/auth'
+import { NeonButton } from '@/components/ui'
+import {
+  LayoutDashboard,
+  Users,
+  Trophy,
+  ScrollText,
+  Send,
+  FileText,
+  ArrowLeft,
+  Shield,
+  MessageCircle,
+  Sparkles,
+  Lock
+} from 'lucide-react'
+
+const navItems = [
+  { to: '/admin', icon: LayoutDashboard, label: 'Дашборд', end: true },
+  { to: '/admin/users', icon: Users, label: 'Пользователи' },
+  { to: '/admin/marathons', icon: Trophy, label: 'Марафоны' },
+  { to: '/admin/logs', icon: ScrollText, label: 'Логи' },
+  { to: '/admin/broadcast', icon: Send, label: 'Рассылка' },
+  { to: '/admin/content', icon: FileText, label: 'Контент' },
+]
+
+export function AdminLayout() {
+  const user = useAuthStore((state) => state.user)
+
+  // Only admins can access
+  if (!user || user.role !== 'admin') {
+    return <Navigate to="/" replace />
+  }
+
+  // Admin without Telegram - show warning
+  if (!user.telegram_id) {
+    return (
+      <div className="min-h-[70vh] flex flex-col items-center justify-center text-center px-4">
+        {/* Background effects */}
+        <div className="fixed inset-0 overflow-hidden pointer-events-none">
+          <div className="absolute top-1/3 -left-32 w-96 h-96 bg-amber-500/5 rounded-full blur-[100px]" />
+          <div className="absolute bottom-1/3 -right-32 w-96 h-96 bg-accent-500/5 rounded-full blur-[100px]" />
+        </div>
+
+        {/* Icon */}
+        <div className="relative mb-8 animate-float">
+          <div className="w-32 h-32 rounded-3xl bg-dark-700/50 border border-amber-500/30 flex items-center justify-center shadow-[0_0_30px_rgba(245,158,11,0.15)]">
+            <Lock className="w-16 h-16 text-amber-400" />
+          </div>
+          <div className="absolute -bottom-2 -right-2 w-12 h-12 rounded-xl bg-accent-500/20 border border-accent-500/30 flex items-center justify-center">
+            <Shield className="w-6 h-6 text-accent-400" />
+          </div>
+          {/* Decorative dots */}
+          <div className="absolute -top-2 -left-2 w-3 h-3 rounded-full bg-amber-500/50 animate-pulse" />
+          <div className="absolute top-4 -right-4 w-2 h-2 rounded-full bg-accent-500/50 animate-pulse" style={{ animationDelay: '0.5s' }} />
+        </div>
+
+        {/* Title with glow */}
+        <div className="relative mb-4">
+          <h1 className="text-3xl font-bold text-transparent bg-clip-text bg-gradient-to-r from-amber-400 via-orange-400 to-accent-400">
+            Требуется Telegram
+          </h1>
+          <div className="absolute inset-0 text-3xl font-bold text-amber-500/20 blur-xl">
+            Требуется Telegram
+          </div>
+        </div>
+
+        <p className="text-gray-400 mb-2 max-w-md">
+          Для доступа к админ-панели необходимо привязать Telegram-аккаунт.
+        </p>
+        <p className="text-gray-500 text-sm mb-8 max-w-md">
+          Это требуется для двухфакторной аутентификации при входе.
+        </p>
+
+        {/* Info card */}
+        <div className="glass rounded-xl p-4 mb-8 max-w-md border border-amber-500/20">
+          <div className="flex items-center gap-2 text-amber-400 mb-2">
+            <Shield className="w-4 h-4" />
+            <span className="text-sm font-semibold">Двухфакторная аутентификация</span>
+          </div>
+          <p className="text-gray-400 text-sm">
+            После привязки Telegram при входе в админ-панель вам будет отправляться код подтверждения.
+          </p>
+        </div>
+
+        {/* Buttons */}
+        <div className="flex gap-4">
+          <Link to="/profile">
+            <NeonButton size="lg" color="purple" icon={<MessageCircle className="w-5 h-5" />}>
+              Привязать Telegram
+            </NeonButton>
+          </Link>
+          <Link to="/marathons">
+            <NeonButton size="lg" variant="secondary" icon={<ArrowLeft className="w-5 h-5" />}>
+              На сайт
+            </NeonButton>
+          </Link>
+        </div>
+
+        {/* Decorative sparkles */}
+        <div className="absolute top-1/4 left-1/4 opacity-20">
+          <Sparkles className="w-6 h-6 text-amber-400 animate-pulse" />
+        </div>
+        <div className="absolute bottom-1/3 right-1/4 opacity-20">
+          <Sparkles className="w-4 h-4 text-accent-400 animate-pulse" style={{ animationDelay: '1s' }} />
+        </div>
+      </div>
+    )
+  }
+
+  return (
+    <div className="flex h-full min-h-[calc(100vh-64px)]">
+      {/* Background effects */}
+      <div className="fixed inset-0 overflow-hidden pointer-events-none">
+        <div className="absolute top-0 -left-32 w-96 h-96 bg-accent-500/5 rounded-full blur-[100px]" />
+        <div className="absolute bottom-0 -right-32 w-96 h-96 bg-neon-500/5 rounded-full blur-[100px]" />
+      </div>
+
+      {/* Sidebar */}
+      <aside className="w-64 glass border-r border-dark-600 flex flex-col relative z-10">
+        <div className="p-4 border-b border-dark-600">
+          <div className="flex items-center gap-2">
+            <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-accent-500 to-pink-500 flex items-center justify-center">
+              <Shield className="w-4 h-4 text-white" />
+            </div>
+            <h2 className="text-lg font-bold text-transparent bg-clip-text bg-gradient-to-r from-accent-400 to-pink-400">
+              Админ-панель
+            </h2>
+          </div>
+        </div>
+
+        <nav className="flex-1 p-4 space-y-1">
+          {navItems.map((item) => (
+            <NavLink
+              key={item.to}
+              to={item.to}
+              end={item.end}
+              className={({ isActive }) =>
+                `flex items-center gap-3 px-3 py-2.5 rounded-lg transition-all duration-200 ${
+                  isActive
+                    ? 'bg-accent-500/20 text-accent-400 border border-accent-500/30 shadow-[0_0_10px_rgba(139,92,246,0.15)]'
+                    : 'text-gray-400 hover:bg-dark-600/50 hover:text-white border border-transparent'
+                }`
+              }
+            >
+              <item.icon className="w-5 h-5" />
+              <span className="font-medium">{item.label}</span>
+            </NavLink>
+          ))}
+        </nav>
+
+        <div className="p-4 border-t border-dark-600">
+          <NavLink
+            to="/marathons"
+            className="flex items-center gap-3 px-3 py-2.5 text-gray-400 hover:text-neon-400 transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            <ArrowLeft className="w-5 h-5" />
+            <span className="font-medium">Вернуться на сайт</span>
+          </NavLink>
+        </div>
+      </aside>
+
+      {/* Main content */}
+      <main className="flex-1 p-6 overflow-auto relative z-10">
+        <Outlet />
+      </main>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminLogsPage.tsx

@@ -0,0 +1,208 @@
+import { useState, useEffect, useCallback } from 'react'
+import { adminApi } from '@/api'
+import type { AdminLog } from '@/types'
+import { useToast } from '@/store/toast'
+import { ChevronLeft, ChevronRight, Filter, ScrollText } from 'lucide-react'
+
+const ACTION_LABELS: Record<string, string> = {
+  user_ban: 'Бан пользователя',
+  user_unban: 'Разбан пользователя',
+  user_auto_unban: 'Авто-разбан (система)',
+  user_role_change: 'Изменение роли',
+  marathon_force_finish: 'Принудительное завершение',
+  marathon_delete: 'Удаление марафона',
+  content_update: 'Обновление контента',
+  broadcast_all: 'Рассылка всем',
+  broadcast_marathon: 'Рассылка марафону',
+  admin_login: 'Вход админа',
+  admin_2fa_success: '2FA успех',
+  admin_2fa_fail: '2FA неудача',
+}
+
+const ACTION_COLORS: Record<string, string> = {
+  user_ban: 'bg-red-500/20 text-red-400 border border-red-500/30',
+  user_unban: 'bg-green-500/20 text-green-400 border border-green-500/30',
+  user_auto_unban: 'bg-cyan-500/20 text-cyan-400 border border-cyan-500/30',
+  user_role_change: 'bg-accent-500/20 text-accent-400 border border-accent-500/30',
+  marathon_force_finish: 'bg-orange-500/20 text-orange-400 border border-orange-500/30',
+  marathon_delete: 'bg-red-500/20 text-red-400 border border-red-500/30',
+  content_update: 'bg-neon-500/20 text-neon-400 border border-neon-500/30',
+  broadcast_all: 'bg-pink-500/20 text-pink-400 border border-pink-500/30',
+  broadcast_marathon: 'bg-pink-500/20 text-pink-400 border border-pink-500/30',
+  admin_login: 'bg-blue-500/20 text-blue-400 border border-blue-500/30',
+  admin_2fa_success: 'bg-green-500/20 text-green-400 border border-green-500/30',
+  admin_2fa_fail: 'bg-red-500/20 text-red-400 border border-red-500/30',
+}
+
+function formatDate(dateStr: string) {
+  return new Date(dateStr).toLocaleString('ru-RU', {
+    day: '2-digit',
+    month: '2-digit',
+    year: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+  })
+}
+
+export function AdminLogsPage() {
+  const [logs, setLogs] = useState<AdminLog[]>([])
+  const [total, setTotal] = useState(0)
+  const [loading, setLoading] = useState(true)
+  const [actionFilter, setActionFilter] = useState<string>('')
+  const [page, setPage] = useState(0)
+
+  const toast = useToast()
+
+  const LIMIT = 30
+
+  const loadLogs = useCallback(async () => {
+    setLoading(true)
+    try {
+      const data = await adminApi.getLogs(page * LIMIT, LIMIT, actionFilter || undefined)
+      setLogs(data.logs)
+      setTotal(data.total)
+    } catch (err) {
+      console.error('Failed to load logs:', err)
+      toast.error('Ошибка загрузки логов')
+    } finally {
+      setLoading(false)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [page, actionFilter])
+
+  useEffect(() => {
+    loadLogs()
+  }, [loadLogs])
+
+  const totalPages = Math.ceil(total / LIMIT)
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-3">
+          <div className="p-2 rounded-lg bg-orange-500/20 border border-orange-500/30">
+            <ScrollText className="w-6 h-6 text-orange-400" />
+          </div>
+          <h1 className="text-2xl font-bold text-white">Логи действий</h1>
+        </div>
+        <span className="text-sm text-gray-400 bg-dark-700/50 px-3 py-1.5 rounded-lg border border-dark-600">
+          Всего: <span className="text-white font-medium">{total}</span> записей
+        </span>
+      </div>
+
+      {/* Filters */}
+      <div className="flex items-center gap-4">
+        <div className="flex items-center gap-3">
+          <Filter className="w-5 h-5 text-gray-500" />
+          <select
+            value={actionFilter}
+            onChange={(e) => {
+              setActionFilter(e.target.value)
+              setPage(0)
+            }}
+            className="bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white focus:outline-none focus:border-accent-500/50 transition-colors min-w-[200px]"
+          >
+            <option value="">Все действия</option>
+            {Object.entries(ACTION_LABELS).map(([value, label]) => (
+              <option key={value} value={value}>{label}</option>
+            ))}
+          </select>
+        </div>
+      </div>
+
+      {/* Logs Table */}
+      <div className="glass rounded-xl border border-dark-600 overflow-hidden">
+        <div className="overflow-x-auto">
+          <table className="w-full">
+            <thead className="bg-dark-700/50 border-b border-dark-600">
+              <tr>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Дата</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Админ</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Действие</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Цель</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Детали</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">IP</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-dark-600">
+              {loading ? (
+                <tr>
+                  <td colSpan={6} className="px-4 py-8 text-center">
+                    <div className="animate-spin rounded-full h-6 w-6 border-2 border-accent-500 border-t-transparent mx-auto" />
+                  </td>
+                </tr>
+              ) : logs.length === 0 ? (
+                <tr>
+                  <td colSpan={6} className="px-4 py-8 text-center text-gray-400">
+                    Логи не найдены
+                  </td>
+                </tr>
+              ) : (
+                logs.map((log) => (
+                  <tr key={log.id} className="hover:bg-dark-700/30 transition-colors">
+                    <td className="px-4 py-3 text-sm text-gray-400 whitespace-nowrap font-mono">
+                      {formatDate(log.created_at)}
+                    </td>
+                    <td className="px-4 py-3 text-sm font-medium">
+                      {log.admin_nickname ? (
+                        <span className="text-white">{log.admin_nickname}</span>
+                      ) : (
+                        <span className="text-cyan-400 italic">Система</span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3">
+                      <span className={`inline-flex px-2.5 py-1 text-xs font-medium rounded-lg ${ACTION_COLORS[log.action] || 'bg-dark-600/50 text-gray-400 border border-dark-500'}`}>
+                        {ACTION_LABELS[log.action] || log.action}
+                      </span>
+                    </td>
+                    <td className="px-4 py-3 text-sm text-gray-400">
+                      <span className="text-gray-500">{log.target_type}</span>
+                      <span className="text-neon-400 font-mono ml-1">#{log.target_id}</span>
+                    </td>
+                    <td className="px-4 py-3 text-sm text-gray-500 max-w-xs">
+                      {log.details ? (
+                        <span className="font-mono text-xs bg-dark-700/50 px-2 py-1 rounded truncate block">
+                          {JSON.stringify(log.details)}
+                        </span>
+                      ) : (
+                        <span className="text-gray-600">—</span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3 text-sm text-gray-500 font-mono">
+                      {log.ip_address || '—'}
+                    </td>
+                  </tr>
+                ))
+              )}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Pagination */}
+        <div className="flex items-center justify-between px-4 py-3 border-t border-dark-600">
+          <button
+            onClick={() => setPage(Math.max(0, page - 1))}
+            disabled={page === 0}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            <ChevronLeft className="w-4 h-4" />
+            Назад
+          </button>
+          <span className="text-sm text-gray-500">
+            Страница <span className="text-white font-medium">{page + 1}</span> из <span className="text-white font-medium">{totalPages || 1}</span>
+          </span>
+          <button
+            onClick={() => setPage(page + 1)}
+            disabled={page >= totalPages - 1}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            Вперед
+            <ChevronRight className="w-4 h-4" />
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminMarathonsPage.tsx

@@ -0,0 +1,242 @@
+import { useState, useEffect, useCallback } from 'react'
+import { adminApi } from '@/api'
+import type { AdminMarathon } from '@/types'
+import { useToast } from '@/store/toast'
+import { useConfirm } from '@/store/confirm'
+import { NeonButton } from '@/components/ui'
+import { Search, Trash2, StopCircle, ChevronLeft, ChevronRight, Trophy, Clock, CheckCircle, Loader2 } from 'lucide-react'
+
+const STATUS_CONFIG: Record<string, { label: string; icon: typeof Clock; className: string }> = {
+  preparing: {
+    label: 'Подготовка',
+    icon: Loader2,
+    className: 'bg-amber-500/20 text-amber-400 border border-amber-500/30'
+  },
+  active: {
+    label: 'Активный',
+    icon: Clock,
+    className: 'bg-green-500/20 text-green-400 border border-green-500/30'
+  },
+  finished: {
+    label: 'Завершён',
+    icon: CheckCircle,
+    className: 'bg-dark-600/50 text-gray-400 border border-dark-500'
+  },
+}
+
+function formatDate(dateStr: string | null) {
+  if (!dateStr) return '—'
+  return new Date(dateStr).toLocaleDateString('ru-RU', {
+    day: '2-digit',
+    month: '2-digit',
+    year: 'numeric',
+  })
+}
+
+export function AdminMarathonsPage() {
+  const [marathons, setMarathons] = useState<AdminMarathon[]>([])
+  const [loading, setLoading] = useState(true)
+  const [search, setSearch] = useState('')
+  const [page, setPage] = useState(0)
+
+  const toast = useToast()
+  const confirm = useConfirm()
+
+  const LIMIT = 20
+
+  const loadMarathons = useCallback(async () => {
+    setLoading(true)
+    try {
+      const data = await adminApi.listMarathons(page * LIMIT, LIMIT, search || undefined)
+      setMarathons(data)
+    } catch (err) {
+      console.error('Failed to load marathons:', err)
+      toast.error('Ошибка загрузки марафонов')
+    } finally {
+      setLoading(false)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [page, search])
+
+  useEffect(() => {
+    loadMarathons()
+  }, [loadMarathons])
+
+  const handleSearch = (e: React.FormEvent) => {
+    e.preventDefault()
+    setPage(0)
+    loadMarathons()
+  }
+
+  const handleDelete = async (marathon: AdminMarathon) => {
+    const confirmed = await confirm({
+      title: 'Удалить марафон',
+      message: `Вы уверены, что хотите удалить марафон "${marathon.title}"? Это действие необратимо.`,
+      confirmText: 'Удалить',
+      variant: 'danger',
+    })
+    if (!confirmed) return
+
+    try {
+      await adminApi.deleteMarathon(marathon.id)
+      setMarathons(marathons.filter(m => m.id !== marathon.id))
+      toast.success('Марафон удалён')
+    } catch (err) {
+      console.error('Failed to delete marathon:', err)
+      toast.error('Ошибка удаления')
+    }
+  }
+
+  const handleForceFinish = async (marathon: AdminMarathon) => {
+    const confirmed = await confirm({
+      title: 'Завершить марафон',
+      message: `Принудительно завершить марафон "${marathon.title}"? Участники получат уведомление.`,
+      confirmText: 'Завершить',
+      variant: 'warning',
+    })
+    if (!confirmed) return
+
+    try {
+      await adminApi.forceFinishMarathon(marathon.id)
+      setMarathons(marathons.map(m =>
+        m.id === marathon.id ? { ...m, status: 'finished' } : m
+      ))
+      toast.success('Марафон завершён')
+    } catch (err) {
+      console.error('Failed to finish marathon:', err)
+      toast.error('Ошибка завершения')
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center gap-3">
+        <div className="p-2 rounded-lg bg-accent-500/20 border border-accent-500/30">
+          <Trophy className="w-6 h-6 text-accent-400" />
+        </div>
+        <h1 className="text-2xl font-bold text-white">Марафоны</h1>
+      </div>
+
+      {/* Search */}
+      <form onSubmit={handleSearch} className="flex gap-2">
+        <div className="relative flex-1">
+          <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-500" />
+          <input
+            type="text"
+            placeholder="Поиск по названию..."
+            value={search}
+            onChange={(e) => setSearch(e.target.value)}
+            className="w-full bg-dark-700/50 border border-dark-600 rounded-xl pl-10 pr-4 py-2.5 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 focus:ring-1 focus:ring-accent-500/20 transition-all"
+          />
+        </div>
+        <NeonButton type="submit" color="purple">
+          Найти
+        </NeonButton>
+      </form>
+
+      {/* Marathons Table */}
+      <div className="glass rounded-xl border border-dark-600 overflow-hidden">
+        <div className="overflow-x-auto">
+          <table className="w-full">
+            <thead className="bg-dark-700/50 border-b border-dark-600">
+              <tr>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">ID</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Название</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Создатель</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Статус</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Участники</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Игры</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Даты</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Действия</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-dark-600">
+              {loading ? (
+                <tr>
+                  <td colSpan={8} className="px-4 py-8 text-center">
+                    <div className="animate-spin rounded-full h-6 w-6 border-2 border-accent-500 border-t-transparent mx-auto" />
+                  </td>
+                </tr>
+              ) : marathons.length === 0 ? (
+                <tr>
+                  <td colSpan={8} className="px-4 py-8 text-center text-gray-400">
+                    Марафоны не найдены
+                  </td>
+                </tr>
+              ) : (
+                marathons.map((marathon) => {
+                  const statusConfig = STATUS_CONFIG[marathon.status] || STATUS_CONFIG.finished
+                  const StatusIcon = statusConfig.icon
+                  return (
+                    <tr key={marathon.id} className="hover:bg-dark-700/30 transition-colors">
+                      <td className="px-4 py-3 text-sm text-gray-400 font-mono">{marathon.id}</td>
+                      <td className="px-4 py-3 text-sm text-white font-medium">{marathon.title}</td>
+                      <td className="px-4 py-3 text-sm text-gray-300">{marathon.creator.nickname}</td>
+                      <td className="px-4 py-3">
+                        <span className={`inline-flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg ${statusConfig.className}`}>
+                          <StatusIcon className={`w-3 h-3 ${marathon.status === 'preparing' ? 'animate-spin' : ''}`} />
+                          {statusConfig.label}
+                        </span>
+                      </td>
+                      <td className="px-4 py-3 text-sm text-gray-400">{marathon.participants_count}</td>
+                      <td className="px-4 py-3 text-sm text-gray-400">{marathon.games_count}</td>
+                      <td className="px-4 py-3 text-sm text-gray-400">
+                        <span className="text-gray-500">{formatDate(marathon.start_date)}</span>
+                        <span className="text-gray-600 mx-1">→</span>
+                        <span className="text-gray-500">{formatDate(marathon.end_date)}</span>
+                      </td>
+                      <td className="px-4 py-3">
+                        <div className="flex items-center gap-1">
+                          {marathon.status !== 'finished' && (
+                            <button
+                              onClick={() => handleForceFinish(marathon)}
+                              className="p-2 text-orange-400 hover:bg-orange-500/20 rounded-lg transition-colors"
+                              title="Завершить марафон"
+                            >
+                              <StopCircle className="w-4 h-4" />
+                            </button>
+                          )}
+                          <button
+                            onClick={() => handleDelete(marathon)}
+                            className="p-2 text-red-400 hover:bg-red-500/20 rounded-lg transition-colors"
+                            title="Удалить"
+                          >
+                            <Trash2 className="w-4 h-4" />
+                          </button>
+                        </div>
+                      </td>
+                    </tr>
+                  )
+                })
+              )}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Pagination */}
+        <div className="flex items-center justify-between px-4 py-3 border-t border-dark-600">
+          <button
+            onClick={() => setPage(Math.max(0, page - 1))}
+            disabled={page === 0}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            <ChevronLeft className="w-4 h-4" />
+            Назад
+          </button>
+          <span className="text-sm text-gray-500">
+            Страница <span className="text-white font-medium">{page + 1}</span>
+          </span>
+          <button
+            onClick={() => setPage(page + 1)}
+            disabled={marathons.length < LIMIT}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            Вперед
+            <ChevronRight className="w-4 h-4" />
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}

frontend/src/pages/admin/AdminUsersPage.tsx

@@ -0,0 +1,398 @@
+import { useState, useEffect, useCallback } from 'react'
+import { adminApi } from '@/api'
+import type { AdminUser, UserRole } from '@/types'
+import { useToast } from '@/store/toast'
+import { useConfirm } from '@/store/confirm'
+import { NeonButton } from '@/components/ui'
+import { Search, Ban, UserCheck, Shield, ShieldOff, ChevronLeft, ChevronRight, Users, X } from 'lucide-react'
+
+export function AdminUsersPage() {
+  const [users, setUsers] = useState<AdminUser[]>([])
+  const [loading, setLoading] = useState(true)
+  const [search, setSearch] = useState('')
+  const [bannedOnly, setBannedOnly] = useState(false)
+  const [page, setPage] = useState(0)
+  const [banModalUser, setBanModalUser] = useState<AdminUser | null>(null)
+  const [banReason, setBanReason] = useState('')
+  const [banDuration, setBanDuration] = useState<string>('permanent')
+  const [banCustomDate, setBanCustomDate] = useState('')
+  const [banning, setBanning] = useState(false)
+
+  const toast = useToast()
+  const confirm = useConfirm()
+
+  const LIMIT = 20
+
+  const loadUsers = useCallback(async () => {
+    setLoading(true)
+    try {
+      const data = await adminApi.listUsers(page * LIMIT, LIMIT, search || undefined, bannedOnly)
+      setUsers(data)
+    } catch (err) {
+      console.error('Failed to load users:', err)
+      toast.error('Ошибка загрузки пользователей')
+    } finally {
+      setLoading(false)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [page, search, bannedOnly])
+
+  useEffect(() => {
+    loadUsers()
+  }, [loadUsers])
+
+  const handleSearch = (e: React.FormEvent) => {
+    e.preventDefault()
+    setPage(0)
+    loadUsers()
+  }
+
+  const handleBan = async () => {
+    if (!banModalUser || !banReason.trim()) return
+
+    let bannedUntil: string | undefined
+    if (banDuration !== 'permanent') {
+      const now = new Date()
+      if (banDuration === '1d') {
+        now.setDate(now.getDate() + 1)
+        bannedUntil = now.toISOString()
+      } else if (banDuration === '7d') {
+        now.setDate(now.getDate() + 7)
+        bannedUntil = now.toISOString()
+      } else if (banDuration === '30d') {
+        now.setDate(now.getDate() + 30)
+        bannedUntil = now.toISOString()
+      } else if (banDuration === 'custom' && banCustomDate) {
+        bannedUntil = new Date(banCustomDate).toISOString()
+      }
+    }
+
+    setBanning(true)
+    try {
+      const updated = await adminApi.banUser(banModalUser.id, banReason, bannedUntil)
+      setUsers(users.map(u => u.id === updated.id ? updated : u))
+      toast.success(`Пользователь ${updated.nickname} заблокирован`)
+      setBanModalUser(null)
+      setBanReason('')
+      setBanDuration('permanent')
+      setBanCustomDate('')
+    } catch (err) {
+      console.error('Failed to ban user:', err)
+      toast.error('Ошибка блокировки')
+    } finally {
+      setBanning(false)
+    }
+  }
+
+  const handleUnban = async (user: AdminUser) => {
+    const confirmed = await confirm({
+      title: 'Разблокировать пользователя',
+      message: `Вы уверены, что хотите разблокировать ${user.nickname}?`,
+      confirmText: 'Разблокировать',
+    })
+    if (!confirmed) return
+
+    try {
+      const updated = await adminApi.unbanUser(user.id)
+      setUsers(users.map(u => u.id === updated.id ? updated : u))
+      toast.success(`Пользователь ${updated.nickname} разблокирован`)
+    } catch (err) {
+      console.error('Failed to unban user:', err)
+      toast.error('Ошибка разблокировки')
+    }
+  }
+
+  const handleRoleChange = async (user: AdminUser, newRole: UserRole) => {
+    const confirmed = await confirm({
+      title: 'Изменить роль',
+      message: `Изменить роль ${user.nickname} на ${newRole === 'admin' ? 'Администратор' : 'Пользователь'}?`,
+      confirmText: 'Изменить',
+    })
+    if (!confirmed) return
+
+    try {
+      const updated = await adminApi.setUserRole(user.id, newRole)
+      setUsers(users.map(u => u.id === updated.id ? updated : u))
+      toast.success(`Роль ${updated.nickname} изменена`)
+    } catch (err) {
+      console.error('Failed to change role:', err)
+      toast.error('Ошибка изменения роли')
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center gap-3">
+        <div className="p-2 rounded-lg bg-blue-500/20 border border-blue-500/30">
+          <Users className="w-6 h-6 text-blue-400" />
+        </div>
+        <h1 className="text-2xl font-bold text-white">Пользователи</h1>
+      </div>
+
+      {/* Filters */}
+      <div className="flex flex-col sm:flex-row gap-4">
+        <form onSubmit={handleSearch} className="flex-1 flex gap-2">
+          <div className="relative flex-1">
+            <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-500" />
+            <input
+              type="text"
+              placeholder="Поиск по логину или никнейму..."
+              value={search}
+              onChange={(e) => setSearch(e.target.value)}
+              className="w-full bg-dark-700/50 border border-dark-600 rounded-xl pl-10 pr-4 py-2.5 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 focus:ring-1 focus:ring-accent-500/20 transition-all"
+            />
+          </div>
+          <NeonButton type="submit" color="purple">
+            Найти
+          </NeonButton>
+        </form>
+
+        <label className="flex items-center gap-2 text-gray-300 cursor-pointer group">
+          <input
+            type="checkbox"
+            checked={bannedOnly}
+            onChange={(e) => {
+              setBannedOnly(e.target.checked)
+              setPage(0)
+            }}
+            className="w-4 h-4 rounded border-dark-600 bg-dark-700 text-accent-500 focus:ring-accent-500/50 focus:ring-offset-0"
+          />
+          <span className="group-hover:text-white transition-colors">Только заблокированные</span>
+        </label>
+      </div>
+
+      {/* Users Table */}
+      <div className="glass rounded-xl border border-dark-600 overflow-hidden">
+        <div className="overflow-x-auto">
+          <table className="w-full">
+            <thead className="bg-dark-700/50 border-b border-dark-600">
+              <tr>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">ID</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Логин</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Никнейм</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Роль</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Telegram</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Марафоны</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Статус</th>
+                <th className="px-4 py-3 text-left text-sm font-medium text-gray-400">Действия</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-dark-600">
+              {loading ? (
+                <tr>
+                  <td colSpan={8} className="px-4 py-8 text-center">
+                    <div className="animate-spin rounded-full h-6 w-6 border-2 border-accent-500 border-t-transparent mx-auto" />
+                  </td>
+                </tr>
+              ) : users.length === 0 ? (
+                <tr>
+                  <td colSpan={8} className="px-4 py-8 text-center text-gray-400">
+                    Пользователи не найдены
+                  </td>
+                </tr>
+              ) : (
+                users.map((user) => (
+                  <tr key={user.id} className="hover:bg-dark-700/30 transition-colors">
+                    <td className="px-4 py-3 text-sm text-gray-400 font-mono">{user.id}</td>
+                    <td className="px-4 py-3 text-sm text-white">{user.login}</td>
+                    <td className="px-4 py-3 text-sm text-white font-medium">{user.nickname}</td>
+                    <td className="px-4 py-3">
+                      <span className={`inline-flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg ${
+                        user.role === 'admin'
+                          ? 'bg-accent-500/20 text-accent-400 border border-accent-500/30'
+                          : 'bg-dark-600/50 text-gray-400 border border-dark-500'
+                      }`}>
+                        {user.role === 'admin' && <Shield className="w-3 h-3" />}
+                        {user.role === 'admin' ? 'Админ' : 'Пользователь'}
+                      </span>
+                    </td>
+                    <td className="px-4 py-3 text-sm text-gray-400">
+                      {user.telegram_username ? (
+                        <span className="text-neon-400">@{user.telegram_username}</span>
+                      ) : (
+                        <span className="text-gray-600">—</span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3 text-sm text-gray-400">{user.marathons_count}</td>
+                    <td className="px-4 py-3">
+                      {user.is_banned ? (
+                        <span className="inline-flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg bg-red-500/20 text-red-400 border border-red-500/30">
+                          <Ban className="w-3 h-3" />
+                          Заблокирован
+                        </span>
+                      ) : (
+                        <span className="inline-flex items-center gap-1.5 px-2.5 py-1 text-xs font-medium rounded-lg bg-green-500/20 text-green-400 border border-green-500/30">
+                          <UserCheck className="w-3 h-3" />
+                          Активен
+                        </span>
+                      )}
+                    </td>
+                    <td className="px-4 py-3">
+                      <div className="flex items-center gap-1">
+                        {user.is_banned ? (
+                          <button
+                            onClick={() => handleUnban(user)}
+                            className="p-2 text-green-400 hover:bg-green-500/20 rounded-lg transition-colors"
+                            title="Разблокировать"
+                          >
+                            <UserCheck className="w-4 h-4" />
+                          </button>
+                        ) : user.role !== 'admin' ? (
+                          <button
+                            onClick={() => setBanModalUser(user)}
+                            className="p-2 text-red-400 hover:bg-red-500/20 rounded-lg transition-colors"
+                            title="Заблокировать"
+                          >
+                            <Ban className="w-4 h-4" />
+                          </button>
+                        ) : null}
+
+                        {user.role === 'admin' ? (
+                          <button
+                            onClick={() => handleRoleChange(user, 'user')}
+                            className="p-2 text-orange-400 hover:bg-orange-500/20 rounded-lg transition-colors"
+                            title="Снять права админа"
+                          >
+                            <ShieldOff className="w-4 h-4" />
+                          </button>
+                        ) : (
+                          <button
+                            onClick={() => handleRoleChange(user, 'admin')}
+                            className="p-2 text-accent-400 hover:bg-accent-500/20 rounded-lg transition-colors"
+                            title="Сделать админом"
+                          >
+                            <Shield className="w-4 h-4" />
+                          </button>
+                        )}
+                      </div>
+                    </td>
+                  </tr>
+                ))
+              )}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Pagination */}
+        <div className="flex items-center justify-between px-4 py-3 border-t border-dark-600">
+          <button
+            onClick={() => setPage(Math.max(0, page - 1))}
+            disabled={page === 0}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            <ChevronLeft className="w-4 h-4" />
+            Назад
+          </button>
+          <span className="text-sm text-gray-500">
+            Страница <span className="text-white font-medium">{page + 1}</span>
+          </span>
+          <button
+            onClick={() => setPage(page + 1)}
+            disabled={users.length < LIMIT}
+            className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-gray-400 hover:text-white disabled:opacity-50 disabled:cursor-not-allowed transition-colors rounded-lg hover:bg-dark-600/50"
+          >
+            Вперед
+            <ChevronRight className="w-4 h-4" />
+          </button>
+        </div>
+      </div>
+
+      {/* Ban Modal */}
+      {banModalUser && (
+        <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50">
+          <div className="glass rounded-2xl p-6 max-w-md w-full mx-4 border border-dark-600 shadow-2xl">
+            <div className="flex items-center justify-between mb-6">
+              <h3 className="text-lg font-semibold text-white flex items-center gap-2">
+                <Ban className="w-5 h-5 text-red-400" />
+                Заблокировать {banModalUser.nickname}?
+              </h3>
+              <button
+                onClick={() => {
+                  setBanModalUser(null)
+                  setBanReason('')
+                  setBanDuration('permanent')
+                  setBanCustomDate('')
+                }}
+                className="p-1.5 text-gray-400 hover:text-white rounded-lg hover:bg-dark-600/50 transition-colors"
+              >
+                <X className="w-5 h-5" />
+              </button>
+            </div>
+
+            {/* Ban Duration */}
+            <div className="mb-4">
+              <label className="block text-sm font-medium text-gray-300 mb-2">
+                Срок блокировки
+              </label>
+              <select
+                value={banDuration}
+                onChange={(e) => setBanDuration(e.target.value)}
+                className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white focus:outline-none focus:border-accent-500/50 transition-colors"
+              >
+                <option value="permanent">Навсегда</option>
+                <option value="1d">1 день</option>
+                <option value="7d">7 дней</option>
+                <option value="30d">30 дней</option>
+                <option value="custom">Указать дату</option>
+              </select>
+            </div>
+
+            {/* Custom Date */}
+            {banDuration === 'custom' && (
+              <div className="mb-4">
+                <label className="block text-sm font-medium text-gray-300 mb-2">
+                  Разблокировать
+                </label>
+                <input
+                  type="datetime-local"
+                  value={banCustomDate}
+                  onChange={(e) => setBanCustomDate(e.target.value)}
+                  min={new Date().toISOString().slice(0, 16)}
+                  className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white focus:outline-none focus:border-accent-500/50 transition-colors"
+                />
+              </div>
+            )}
+
+            {/* Reason */}
+            <div className="mb-6">
+              <label className="block text-sm font-medium text-gray-300 mb-2">
+                Причина
+              </label>
+              <textarea
+                value={banReason}
+                onChange={(e) => setBanReason(e.target.value)}
+                placeholder="Причина блокировки..."
+                rows={3}
+                className="w-full bg-dark-700/50 border border-dark-600 rounded-xl px-4 py-2.5 text-white placeholder:text-gray-500 focus:outline-none focus:border-accent-500/50 transition-colors resize-none"
+              />
+            </div>
+
+            <div className="flex gap-3 justify-end">
+              <NeonButton
+                variant="ghost"
+                onClick={() => {
+                  setBanModalUser(null)
+                  setBanReason('')
+                  setBanDuration('permanent')
+                  setBanCustomDate('')
+                }}
+              >
+                Отмена
+              </NeonButton>
+              <NeonButton
+                variant="danger"
+                onClick={handleBan}
+                disabled={!banReason.trim() || banning || (banDuration === 'custom' && !banCustomDate)}
+                isLoading={banning}
+                icon={<Ban className="w-4 h-4" />}
+              >
+                Заблокировать
+              </NeonButton>
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}

frontend/src/pages/admin/index.ts

@@ -0,0 +1,7 @@
+export { AdminLayout } from './AdminLayout'
+export { AdminDashboardPage } from './AdminDashboardPage'
+export { AdminUsersPage } from './AdminUsersPage'
+export { AdminMarathonsPage } from './AdminMarathonsPage'
+export { AdminLogsPage } from './AdminLogsPage'
+export { AdminBroadcastPage } from './AdminBroadcastPage'
+export { AdminContentPage } from './AdminContentPage'

frontend/src/store/auth.ts

@@ -3,6 +3,21 @@ import { persist } from 'zustand/middleware'
 import type { User } from '@/types'
 import { authApi, type RegisterData, type LoginData } from '@/api/auth'
 
+interface Pending2FA {
+  sessionId: number
+}
+
+interface LoginResult {
+  requires2FA: boolean
+  sessionId?: number
+}
+
+export interface BanInfo {
+  banned_at: string | null
+  banned_until: string | null
+  reason: string | null
+}
+
 interface AuthState {
   user: User | null
   token: string | null
@@ -11,8 +26,12 @@ interface AuthState {
   error: string | null
   pendingInviteCode: string | null
   avatarVersion: number
+  pending2FA: Pending2FA | null
+  banInfo: BanInfo | null
 
-  login: (data: LoginData) => Promise<void>
+  login: (data: LoginData) => Promise<LoginResult>
+  verify2FA: (code: string) => Promise<void>
+  cancel2FA: () => void
   register: (data: RegisterData) => Promise<void>
   logout: () => void
   clearError: () => void
@@ -20,6 +39,8 @@ interface AuthState {
   consumePendingInviteCode: () => string | null
   updateUser: (updates: Partial<User>) => void
   bumpAvatarVersion: () => void
+  setBanned: (banInfo: BanInfo) => void
+  clearBanned: () => void
 }
 
 export const useAuthStore = create<AuthState>()(
@@ -32,11 +53,25 @@ export const useAuthStore = create<AuthState>()(
       error: null,
       pendingInviteCode: null,
       avatarVersion: 0,
+      pending2FA: null,
+      banInfo: null,
 
       login: async (data) => {
-        set({ isLoading: true, error: null })
+        set({ isLoading: true, error: null, pending2FA: null })
         try {
           const response = await authApi.login(data)
+
+          // Check if 2FA is required
+          if (response.requires_2fa && response.two_factor_session_id) {
+            set({
+              isLoading: false,
+              pending2FA: { sessionId: response.two_factor_session_id },
+            })
+            return { requires2FA: true, sessionId: response.two_factor_session_id }
+          }
+
+          // Regular login (no 2FA)
+          if (response.access_token && response.user) {
             localStorage.setItem('token', response.access_token)
             set({
               user: response.user,
@@ -44,6 +79,8 @@ export const useAuthStore = create<AuthState>()(
               isAuthenticated: true,
               isLoading: false,
             })
+          }
+          return { requires2FA: false }
         } catch (err: unknown) {
           const error = err as { response?: { data?: { detail?: string } } }
           set({
@@ -54,6 +91,37 @@ export const useAuthStore = create<AuthState>()(
         }
       },
 
+      verify2FA: async (code) => {
+        const pending = get().pending2FA
+        if (!pending) {
+          throw new Error('No pending 2FA session')
+        }
+
+        set({ isLoading: true, error: null })
+        try {
+          const response = await authApi.verify2FA(pending.sessionId, code)
+          localStorage.setItem('token', response.access_token)
+          set({
+            user: response.user,
+            token: response.access_token,
+            isAuthenticated: true,
+            isLoading: false,
+            pending2FA: null,
+          })
+        } catch (err: unknown) {
+          const error = err as { response?: { data?: { detail?: string } } }
+          set({
+            error: error.response?.data?.detail || '2FA verification failed',
+            isLoading: false,
+          })
+          throw err
+        }
+      },
+
+      cancel2FA: () => {
+        set({ pending2FA: null, error: null })
+      },
+
       register: async (data) => {
         set({ isLoading: true, error: null })
         try {
@@ -81,6 +149,7 @@ export const useAuthStore = create<AuthState>()(
           user: null,
           token: null,
           isAuthenticated: false,
+          banInfo: null,
         })
       },
 
@@ -104,6 +173,14 @@ export const useAuthStore = create<AuthState>()(
       bumpAvatarVersion: () => {
         set({ avatarVersion: get().avatarVersion + 1 })
       },
+
+      setBanned: (banInfo) => {
+        set({ banInfo })
+      },
+
+      clearBanned: () => {
+        set({ banInfo: null })
+      },
     }),
     {
       name: 'auth-storage',

frontend/src/types/index.ts

@@ -26,6 +26,15 @@ export interface TokenResponse {
   user: User
 }
 
+// Login response (may require 2FA for admins)
+export interface LoginResponse {
+  access_token?: string | null
+  token_type: string
+  user?: User | null
+  requires_2fa: boolean
+  two_factor_session_id?: number | null
+}
+
 // Marathon types
 export type MarathonStatus = 'preparing' | 'active' | 'finished'
 export type ParticipantRole = 'participant' | 'organizer'
@@ -135,6 +144,13 @@ export type ChallengeType =
 export type Difficulty = 'easy' | 'medium' | 'hard'
 export type ProofType = 'screenshot' | 'video' | 'steam'
 
+export type ChallengeStatus = 'pending' | 'approved' | 'rejected'
+
+export interface ProposedByUser {
+  id: number
+  nickname: string
+}
+
 export interface Challenge {
   id: number
   game: GameShort
@@ -148,6 +164,8 @@ export interface Challenge {
   proof_hint: string | null
   is_generated: boolean
   created_at: string
+  status: ChallengeStatus
+  proposed_by: ProposedByUser | null
 }
 
 export interface ChallengePreview {
@@ -395,6 +413,10 @@ export interface AdminUser {
   telegram_username: string | null
   marathons_count: number
   created_at: string
+  is_banned: boolean
+  banned_at: string | null
+  banned_until: string | null  // null = permanent ban
+  ban_reason: string | null
 }
 
 export interface AdminMarathon {
@@ -416,6 +438,64 @@ export interface PlatformStats {
   total_participations: number
 }
 
+// Admin action log types
+export type AdminActionType =
+  | 'user_ban'
+  | 'user_unban'
+  | 'user_role_change'
+  | 'marathon_force_finish'
+  | 'marathon_delete'
+  | 'content_update'
+  | 'broadcast_all'
+  | 'broadcast_marathon'
+  | 'admin_login'
+  | 'admin_2fa_success'
+  | 'admin_2fa_fail'
+
+export interface AdminLog {
+  id: number
+  admin_id: number
+  admin_nickname: string
+  action: AdminActionType
+  target_type: string
+  target_id: number
+  details: Record<string, unknown> | null
+  ip_address: string | null
+  created_at: string
+}
+
+export interface AdminLogsResponse {
+  logs: AdminLog[]
+  total: number
+}
+
+// Broadcast types
+export interface BroadcastResponse {
+  sent_count: number
+  total_count: number
+}
+
+// Static content types
+export interface StaticContent {
+  id: number
+  key: string
+  title: string
+  content: string
+  updated_at: string
+  created_at: string
+}
+
+// Dashboard stats
+export interface DashboardStats {
+  users_count: number
+  banned_users_count: number
+  marathons_count: number
+  active_marathons_count: number
+  games_count: number
+  total_participations: number
+  recent_logs: AdminLog[]
+}
+
 // Dispute types
 export type DisputeStatus = 'open' | 'valid' | 'invalid'
 

status-service/database.py

@@ -249,8 +249,8 @@ def get_ssl_info(domain: str) -> Optional[dict]:
     return None
 
 
-def cleanup_old_metrics(days: int = 7):
-    """Delete metrics older than specified days."""
+def cleanup_old_metrics(days: int = 1):
+    """Delete metrics older than specified days (default: 24 hours)."""
     conn = get_connection()
     cursor = conn.cursor()
     cutoff = datetime.now() - timedelta(days=days)

status-service/main.py

@@ -19,7 +19,7 @@ FRONTEND_URL = os.getenv("FRONTEND_URL", "http://frontend:80")
 BOT_URL = os.getenv("BOT_URL", "http://bot:8080")
 EXTERNAL_URL = os.getenv("EXTERNAL_URL", "")  # Public URL for external checks
 PUBLIC_URL = os.getenv("PUBLIC_URL", "")  # Public HTTPS URL for SSL checks
-CHECK_INTERVAL = int(os.getenv("CHECK_INTERVAL", "30"))
+CHECK_INTERVAL = int(os.getenv("CHECK_INTERVAL", "600"))  # 10 minutes
 
 # Initialize monitor
 monitor = ServiceMonitor()
@@ -46,11 +46,11 @@ async def periodic_health_check():
 
 
 async def periodic_cleanup():
-    """Background task to cleanup old metrics (daily)."""
+    """Background task to cleanup old metrics (hourly)."""
     while True:
-        await asyncio.sleep(86400)  # 24 hours
+        await asyncio.sleep(3600)  # 1 hour
         try:
-            deleted = cleanup_old_metrics(days=7)
+            deleted = cleanup_old_metrics(days=1)  # Keep only last 24 hours
             print(f"Cleaned up {deleted} old metrics")
         except Exception as e:
             print(f"Cleanup error: {e}")