@startuml
!include style.puml
skinparam arrowThickness 1.1
skinparam arrowColor MODEL_COLOR
skinparam classBackgroundColor MODEL_COLOR
skinparam classAttributeIconSize 0

scale 0.5

Package Ui <<Rectangle>>{
Class MainWindow
Class ReviewPanel
Class StudyPanel
}

Package Logic {
 Class StudyManager
}


StudyPanel <|-- ReviewPanel
StudyPanel *--> StudyManager
StudyPanel ---> MainWindow
MainWindow ...> StudyPanel
MainWindow <...> ReviewPanel

@enduml
