def icon_from_status(status: str = "info") -> str:
    """
    Determine icon class name from Bootstrap theme status/level.
    """
    icon_map = {
        'warning': 'alert',
        'success': 'check-circle',
        'danger': 'alert',
        'info': 'information',
    }
    return icon_map.get(status.lower(), 'information')