dock: gradient screen-edge line, gap, and content border matching bar style

shell/dock/AppletDock.qml

@@ -14,9 +14,11 @@ PanelWindow {
 
     required property var screen
 
-    visible: S.DockState.open
+    visible: _winVisible
     color: "transparent"
 
+    property bool _winVisible: false
+
     WlrLayershell.layer: S.DockState.mode === "pinned" ? WlrLayer.Top : WlrLayer.Overlay
     WlrLayershell.exclusiveZone: S.DockState.mode === "pinned" ? _dockWidth : 0
     WlrLayershell.namespace: "nova-dock"
@@ -47,17 +49,51 @@ PanelWindow {
         }
     }
 
-    // Slide animation
-    property real _slideX: S.DockState.open ? 0 : _dockWidth
+    // Slide animation - managed manually so window stays visible during hide
+    property real _slideX: _dockWidth
 
-    Behavior on _slideX {
-        enabled: !S.Theme.reducedMotion
-        NumberAnimation {
-            duration: 200
-            easing.type: Easing.OutCubic
+    Connections {
+        target: S.DockState
+        function onOpenChanged() {
+            if (S.DockState.open) {
+                root._winVisible = true;
+                _hideAnim.stop();
+                if (S.Theme.reducedMotion) {
+                    root._slideX = 0;
+                } else {
+                    _showAnim.start();
+                }
+            } else {
+                _showAnim.stop();
+                if (S.Theme.reducedMotion) {
+                    root._slideX = root._dockWidth;
+                    root._winVisible = false;
+                } else {
+                    _hideAnim.start();
+                }
+            }
         }
     }
 
+    NumberAnimation {
+        id: _showAnim
+        target: root
+        property: "_slideX"
+        to: 0
+        duration: 200
+        easing.type: Easing.OutCubic
+    }
+
+    NumberAnimation {
+        id: _hideAnim
+        target: root
+        property: "_slideX"
+        to: root._dockWidth
+        duration: 200
+        easing.type: Easing.InCubic
+        onFinished: root._winVisible = false
+    }
+
     // Overlay mode: close when cursor leaves
     HoverHandler {
         id: _dockHover
@@ -88,13 +124,47 @@ PanelWindow {
         }
     }
 
-    // Accent border on the left edge
+    // Left edge gradient line - marks the virtual screen edge when pinned,
+    // simple accent line in overlay mode
     Rectangle {
+        id: _edgeLine
         anchors.left: parent.left
         anchors.top: parent.top
         anchors.bottom: parent.bottom
         width: 1
-        color: root._accent
+
+        gradient: S.DockState.mode === "pinned" ? _screenEdgeGradient : null
+        color: S.DockState.mode === "pinned" ? "transparent" : root._accent
+        opacity: _bg.opacity
+
+        transform: Translate {
+            x: root._slideX
+        }
+
+        Gradient {
+            id: _screenEdgeGradient
+            GradientStop {
+                position: 0
+                color: S.Theme.base0C
+            }
+            GradientStop {
+                position: 1
+                color: S.Theme.base09
+            }
+        }
+    }
+
+    // Dock content border - 1px accent, inset from the edge line by the gap
+    Rectangle {
+        anchors.left: parent.left
+        anchors.leftMargin: S.Theme.groupSpacing
+        anchors.top: parent.top
+        anchors.bottom: parent.bottom
+        anchors.right: parent.right
+        color: "transparent"
+        border.color: root._accent
+        border.width: 1
+        radius: S.Theme.radius
         opacity: _bg.opacity
 
         transform: Translate {
@@ -102,10 +172,11 @@ PanelWindow {
         }
     }
 
-    // Content
+    // Content - inset past the edge line + gap
     Flickable {
         id: _flickable
         anchors.fill: parent
+        anchors.leftMargin: S.Theme.groupSpacing + 1
         contentHeight: _column.height
         clip: true
         boundsBehavior: Flickable.StopAtBounds