from fastapi import HTTPException, status

class UnauthorizedException(HTTPException):
    def __init__(self, detail: str = "Unauthorized"):
        super().__init__(status_code=status.HTTP_401_UNAUTHORIZED, detail=detail)

class ForbiddenException(HTTPException):
    def __init__(self, detail: str = "Forbidden"):
        super().__init__(status_code=status.HTTP_403_FORBIDDEN, detail=detail)

class NotFoundException(HTTPException):
    def __init__(self, detail: str = "Not found"):
        super().__init__(status_code=status.HTTP_404_NOT_FOUND, detail=detail)

class BadRequestException(HTTPException):
    def __init__(self, detail: str = "Bad request"):
        super().__init__(status_code=status.HTTP_400_BAD_REQUEST, detail=detail)