<MainScreen>:
    on_pre_enter: root.reset()
    name: "main"
    canvas.before:
        Color:
            rgba: (50,50,50,0.2)
        Rectangle:
            size: self.size
            pos: self.pos
    GridLayout:
    FloatLayout:
        Label:
            pos_hint: {"y":0.4}
            text: "READOUT"
            font_size: 40
            color: (0, 113, 0, 1)
            bold: True
        GridLayout:
            cols:4
            size_hint: 0.8, 0.3
            pos_hint: {"x":0.1, "y":0.4}
            Label:
                text: "SENSOR 1: "
                font_size: 20
            Label:
                id: sensor1
                text: ""
            Label:
                text: "SENSOR 2: "
                font_size: 20
            Label:
                id: sensor2
                text: ""
            Label:
                text: "SENSOR 3: "
                font_size: 20
            Label:
                id: sensor3
                text: ""
            Label:
                text: "SENSOR 4: "
                font_size: 20
            Label:
                id: sensor4
                text: ""
        Button:
            text: "Start communication"
            size_hint: 0.2, 0.1
            pos_hint: {"x": 0.5, "y": 0.05}
            background_color: (255, 0, 0, 0.6)
            on_release:
                root.start()
        Button:
            text: "End communication"
            size_hint: 0.2, 0.1
            pos_hint: {"x": 0.7, "y": 0.05}
            background_color: (255, 0, 0, 0.6)
            on_release:
                root.end()
        Button:
            text: "Back"
            size_hint: 0.3, 0.1
            pos_hint: {"x":0.05, "y":0.05}
            background_color: (255, 0, 0, 0.6)
            on_release:
                root.end()
                app.root.current = "home"
                root.manager.transition.direction = "left"
        ToggleButton:
            id: mode_selector
            size_hint: 0.15, 0.1
            pos_hint: {"x":0.1, "y":0.2}
            text: "Normal Mode" if self.state == "normal" else "Fast Mode"
            on_text: root.switch_mode(mode_selector.text)
            background_color: (255,0,0,0.6) if self.state == "normal" else (0,0,255,0.6)
        Button:
            text: "Configuration"
            size_hint: 0.15, 0.1
            pos_hint: {"x":0.7, "y":0.2}
            background_color: (255, 0, 0, 0.6)
            on_release:
                root.end()
                app.root.current = "program"
                root.manager.transition.direction = "down"
        Label:
            id: status
            text: "Status will appear here"
            font_size: 10
            pos_hint: {"x":0.4, "y": 0.3}