refactor(qml): extract dialogs and loading overlay from Main.qml

Add AddStationDialog, EditStationDialog, and LoadingOverlay components.
Main.qml shrinks to ~325 lines; dialog IDs and app.editDialog API unchanged.

src/qml.qrc

@@ -12,6 +12,9 @@
         <file>qml/components/WorldCategories.qml</file>
         <file>qml/components/PlayerBar.qml</file>
         <file>qml/components/AboutDialog.qml</file>
+        <file>qml/components/AddStationDialog.qml</file>
+        <file>qml/components/EditStationDialog.qml</file>
+        <file>qml/components/LoadingOverlay.qml</file>
         <file>qml/utils/FlagUtils.js</file>
     </qresource>
     <qresource prefix="/">

src/qml/Main.qml

@@ -248,38 +248,8 @@ ApplicationWindow {
         }
     }
 
-    Rectangle {
-        visible: backend && backend.loading
-        anchors.fill: parent
-        color: "#7f0b121a"
-        z: 20
-
-        Rectangle {
-            anchors.centerIn: parent
-            width: 210
-            height: 110
-            radius: 12
-            color: BearTheme.panel
-            border.color: BearTheme.cardBorder
-
-            Column {
-                anchors.centerIn: parent
-                spacing: 10
-
-                BusyIndicator {
-                    running: true
-                    width: 36
-                    height: 36
-                    anchors.horizontalCenter: parent.horizontalCenter
-                }
-
-                Label {
-                    text: qsTr("Loading stations...")
-                    color: BearTheme.textMain
-                    anchors.horizontalCenter: parent.horizontalCenter
-                }
-            }
-        }
+    LoadingOverlay {
+        app: root
     }
 
     Component.onCompleted: {
@@ -288,75 +258,16 @@ ApplicationWindow {
         }
     }
 
-    Dialog {
+    AddStationDialog {
         id: addDialog
-        title: qsTr("Add station manually")
-        modal: true
-        anchors.centerIn: parent
-        width: compactMode ? 320 : 420
-        standardButtons: Dialog.Ok | Dialog.Cancel
-
-        contentItem: ColumnLayout {
-            spacing: 8
-            TextField { id: manualName; Layout.fillWidth: true; placeholderText: qsTr("Name") }
-            TextField { id: manualUrl; Layout.fillWidth: true; placeholderText: qsTr("Stream URL (http/https)") }
-            TextField { id: manualCountry; Layout.fillWidth: true; placeholderText: qsTr("Country (optional)") }
+        app: root
+        compactMode: root.compactMode
     }
 
-        onAccepted: {
-            if (backend) {
-                backend.addManualStation(manualName.text, manualUrl.text, manualCountry.text)
-                toast(qsTr("Station added"))
-            }
-            manualName.text = ""
-            manualUrl.text = ""
-            manualCountry.text = ""
-        }
-    }
-
-    Dialog {
+    EditStationDialog {
         id: editDialog
-        title: qsTr("Edit station")
-        modal: true
-        anchors.centerIn: parent
-        width: compactMode ? 320 : 420
-        standardButtons: Dialog.Ok | Dialog.Cancel
-
-        property var stationObject: null
-
-        contentItem: ColumnLayout {
-            spacing: 8
-            TextField { id: editName; Layout.fillWidth: true; placeholderText: qsTr("Name") }
-            TextField { id: editUrl; Layout.fillWidth: true; placeholderText: qsTr("Stream URL (http/https)") }
-            TextField { id: editCountry; Layout.fillWidth: true; placeholderText: qsTr("Country (optional)") }
-        }
-
-        function setupAndOpen() {
-            if (stationObject) {
-                editName.text = stationObject.name || ""
-                editUrl.text = stationObject.url || ""
-                editCountry.text = (stationObject.country === qsTr("Manual") ? "" : (stationObject.country || ""))
-                open()
-            }
-        }
-
-        onAccepted: {
-            if (backend && stationObject) {
-                backend.editManualStation(stationObject, editName.text, editUrl.text, editCountry.text)
-                toast(qsTr("Station updated"))
-            }
-            stationObject = null
-            editName.text = ""
-            editUrl.text = ""
-            editCountry.text = ""
-        }
-
-        onRejected: {
-            stationObject = null
-            editName.text = ""
-            editUrl.text = ""
-            editCountry.text = ""
-        }
+        app: root
+        compactMode: root.compactMode
     }
 
     AboutDialog {

src/qml/components/AddStationDialog.qml

@@ -0,0 +1,36 @@
+// Copyright (c) 2026 Sebastian Palencsar
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Layouts 1.15
+
+Dialog {
+    id: root
+
+    required property var app
+    required property bool compactMode
+
+    title: qsTr("Add station manually")
+    modal: true
+    anchors.centerIn: parent
+    width: compactMode ? 320 : 420
+    standardButtons: Dialog.Ok | Dialog.Cancel
+
+    contentItem: ColumnLayout {
+        spacing: 8
+        TextField { id: manualName; Layout.fillWidth: true; placeholderText: qsTr("Name") }
+        TextField { id: manualUrl; Layout.fillWidth: true; placeholderText: qsTr("Stream URL (http/https)") }
+        TextField { id: manualCountry; Layout.fillWidth: true; placeholderText: qsTr("Country (optional)") }
+    }
+
+    onAccepted: {
+        if (app.backend) {
+            app.backend.addManualStation(manualName.text, manualUrl.text, manualCountry.text)
+            app.toast(qsTr("Station added"))
+        }
+        manualName.text = ""
+        manualUrl.text = ""
+        manualCountry.text = ""
+    }
+}

src/qml/components/EditStationDialog.qml

@@ -0,0 +1,54 @@
+// Copyright (c) 2026 Sebastian Palencsar
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Layouts 1.15
+
+Dialog {
+    id: root
+
+    required property var app
+    required property bool compactMode
+
+    property var stationObject: null
+
+    title: qsTr("Edit station")
+    modal: true
+    anchors.centerIn: parent
+    width: compactMode ? 320 : 420
+    standardButtons: Dialog.Ok | Dialog.Cancel
+
+    contentItem: ColumnLayout {
+        spacing: 8
+        TextField { id: editName; Layout.fillWidth: true; placeholderText: qsTr("Name") }
+        TextField { id: editUrl; Layout.fillWidth: true; placeholderText: qsTr("Stream URL (http/https)") }
+        TextField { id: editCountry; Layout.fillWidth: true; placeholderText: qsTr("Country (optional)") }
+    }
+
+    function setupAndOpen() {
+        if (stationObject) {
+            editName.text = stationObject.name || ""
+            editUrl.text = stationObject.url || ""
+            editCountry.text = (stationObject.country === qsTr("Manual") ? "" : (stationObject.country || ""))
+            open()
+        }
+    }
+
+    function clearFields() {
+        stationObject = null
+        editName.text = ""
+        editUrl.text = ""
+        editCountry.text = ""
+    }
+
+    onAccepted: {
+        if (app.backend && stationObject) {
+            app.backend.editManualStation(stationObject, editName.text, editUrl.text, editCountry.text)
+            app.toast(qsTr("Station updated"))
+        }
+        clearFields()
+    }
+
+    onRejected: clearFields()
+}

src/qml/components/LoadingOverlay.qml

@@ -0,0 +1,45 @@
+// Copyright (c) 2026 Sebastian Palencsar
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+
+import theme 1.0
+
+Rectangle {
+    id: root
+
+    required property var app
+
+    visible: app.backend && app.backend.loading
+    anchors.fill: parent
+    color: "#7f0b121a"
+    z: 20
+
+    Rectangle {
+        anchors.centerIn: parent
+        width: 210
+        height: 110
+        radius: 12
+        color: BearTheme.panel
+        border.color: BearTheme.cardBorder
+
+        Column {
+            anchors.centerIn: parent
+            spacing: 10
+
+            BusyIndicator {
+                running: true
+                width: 36
+                height: 36
+                anchors.horizontalCenter: parent.horizontalCenter
+            }
+
+            Label {
+                text: qsTr("Loading stations...")
+                color: BearTheme.textMain
+                anchors.horizontalCenter: parent.horizontalCenter
+            }
+        }
+    }
+}

src/qml/components/qmldir

@@ -6,3 +6,6 @@ WorldCategoryHeader 1.0 WorldCategoryHeader.qml
 WorldCategories 1.0 WorldCategories.qml
 PlayerBar 1.0 PlayerBar.qml
 AboutDialog 1.0 AboutDialog.qml
+AddStationDialog 1.0 AddStationDialog.qml
+EditStationDialog 1.0 EditStationDialog.qml
+LoadingOverlay 1.0 LoadingOverlay.qml