class FlowwowAPIError(Exception):
    """Base exception for all Flowwow API errors."""
    pass

class FlowwowAuthError(FlowwowAPIError):
    """Raised when authentication fails (HTTP 401 or 403)."""
    pass

class FlowwowRateLimitError(FlowwowAPIError):
    """Raised when API rate limits are exceeded (HTTP 429)."""
    pass

class FlowwowBadRequestError(FlowwowAPIError):
    """Raised when API returns HTTP 400 or 422."""
    pass

class FlowwowNotFoundError(FlowwowAPIError):
    """Raised when API returns HTTP 404."""
    pass