diff --git a/AppKit/CPWindow/_CPStandardWindowView.j b/AppKit/CPWindow/_CPStandardWindowView.j
index b2c68ef6a..c9d981880 100644
--- a/AppKit/CPWindow/_CPStandardWindowView.j
+++ b/AppKit/CPWindow/_CPStandardWindowView.j
@@ -29,6 +29,8 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
 
 @implementation _CPTexturedWindowHeadView : CPView
 {
+    BOOL            _isSheet    @accessors(setter=setSheet:);
+
     _CPWindowView   _parentView;
     CPView          _gradientView;
     CPView          _solidView;
@@ -69,7 +71,11 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
         bounds = [self bounds];
 
     [_gradientView setFrame:CGRectMake(0.0, 0.0, CGRectGetWidth(bounds), gradientHeight)];
-    [_gradientView setBackgroundColor:[[CPTheme defaultTheme] valueForAttributeWithName:@"bezel-head-color" inState:[_parentView themeState] forClass:_CPStandardWindowView]];
+
+    if (_isSheet)
+        [_gradientView setBackgroundColor:[[CPTheme defaultTheme] valueForAttributeWithName:@"bezel-head-sheet-color" inState:[_parentView themeState] forClass:_CPStandardWindowView]];
+    else
+        [_gradientView setBackgroundColor:[[CPTheme defaultTheme] valueForAttributeWithName:@"bezel-head-color" inState:[_parentView themeState] forClass:_CPStandardWindowView]];
 
     [_solidView setFrame:CGRectMake(0.0, gradientHeight, CGRectGetWidth(bounds), CGRectGetHeight(bounds) - gradientHeight)];
     [_solidView setBackgroundColor:[[CPTheme defaultTheme] valueForAttributeWithName:@"solid-color" forClass:_CPStandardWindowView]];
@@ -97,6 +103,7 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
     CPButton                    _minimizeButton;
 
     BOOL                        _isDocumentEdited;
+    BOOL                        _isSheet;
 }
 
 + (CPString)defaultThemeClass
@@ -110,6 +117,7 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
             @"gradient-height": [CPNull null],
             @"solid-color": [CPNull null],
             @"bezel-head-color": [CPNull null],
+            @"bezel-head-sheet-color": [CPNull null],
             @"divider-color": [CPColor blackColor],
             @"body-color": [CPColor whiteColor],
             @"title-bar-height": 32,
@@ -224,7 +232,14 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
         width = CGRectGetWidth(bounds),
         headHeight = [self toolbarMaxY];
 
+    if (_isSheet && _toolbarView && [self showsToolbar])
+    {
+        headHeight = [_toolbarView frameSize].height;
+        [_toolbarView setFrameOrigin:CGPointMake(0.0, 0.0)];
+    }
+
     [_headView setFrameSize:CGSizeMake(width, headHeight)];
+
     [_dividerView setFrame:CGRectMake(0.0, headHeight, width, _CPStandardWindowViewDividerViewHeight)];
 
     var dividerMinY = 0,
@@ -312,12 +327,26 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
 {
     [super _enableSheet:enable inWindow:parentWindow];
 
-    [_headView setHidden:enable];
-    [_dividerView setHidden:enable];
+    _isSheet = enable;
+    [_headView setSheet:enable];
+
+    if (_toolbarView && [self showsToolbar])
+    {
+        [_headView setHidden:NO];
+        [_dividerView setHidden:NO];
+    }
+    else
+    {
+        [_headView setHidden:enable];
+        [_dividerView setHidden:enable];
+    }
+
     [_closeButton setHidden:enable];
     [_minimizeButton setHidden:enable];
     [_titleField setHidden:enable];
 
+    [[self window] setMovable:!enable];
+
     if (enable)
     {
         [_bodyView setBackgroundColor:[[CPTheme defaultTheme] valueForAttributeWithName:@"body-color" forClass:_CPDocModalWindowView]];
@@ -333,12 +362,13 @@ var _CPStandardWindowViewDividerViewHeight = 1.0;
     var theWindow = [self window],
         frame = [theWindow frame],
         dividerHeight = [_dividerView frame].size.height,
-        dy;
+        dy = [self toolbarMaxY] + dividerHeight;
+
+    if (_toolbarView && [self showsToolbar])
+        dy = [[CPTheme defaultTheme] valueForAttributeWithName:@"gradient-height" forClass:_CPStandardWindowView];
 
     if (enable)
-        dy = -[_headView frame].size.height;
-    else
-        dy = [self toolbarMaxY] + dividerHeight;
+        dy = -dy;
 
     var newHeight = CGRectGetHeight(frame) + dy,
         newWidth = CGRectGetWidth(frame);
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-center.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-center.png
new file mode 100644
index 000000000..1a86f0428
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-center.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-left.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-left.png
new file mode 100644
index 000000000..93aad32e6
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-left.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-right.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-right.png
new file mode 100644
index 000000000..201e8fd64
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-bottom-right.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-center.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-center.png
new file mode 100644
index 000000000..1a86f0428
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-center.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-left.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-left.png
new file mode 100644
index 000000000..93aad32e6
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-left.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-right.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-right.png
new file mode 100644
index 000000000..201e8fd64
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-center-right.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-center.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-center.png
new file mode 100644
index 000000000..408bbde49
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-center.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-left.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-left.png
new file mode 100644
index 000000000..87ccfb2a6
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-left.png differ
diff --git a/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-right.png b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-right.png
new file mode 100644
index 000000000..a772da252
Binary files /dev/null and b/AppKit/Themes/Aristo2/Resources/window-standard-head-sheet-solid-top-right.png differ
diff --git a/AppKit/Themes/Aristo2/ThemeDescriptors.j b/AppKit/Themes/Aristo2/ThemeDescriptors.j
index 6b663393a..384c61f57 100644
--- a/AppKit/Themes/Aristo2/ThemeDescriptors.j
+++ b/AppKit/Themes/Aristo2/ThemeDescriptors.j
@@ -2070,6 +2070,14 @@ var themedButtonValues = nil,
                 height: 1.0
             }),
 
+        bezelSheetHeadColor = PatternColor(
+            "window-standard-head-sheet-solid{position}.png",
+            {
+                positions: "full",
+                width: 5.0,
+                height: 1.0
+            }),
+
         bezelColor = PatternColor(
             "window-standard{position}.png",
             {
@@ -2104,6 +2112,7 @@ var themedButtonValues = nil,
             [@"bezel-head-color",           bezelHeadColor["inactive"], CPThemeStateNormal],
             [@"bezel-head-color",           bezelHeadColor["@"], CPThemeStateKeyWindow],
             [@"bezel-head-color",           bezelHeadColor["@"], CPThemeStateMainWindow],
+            [@"bezel-head-sheet-color",     bezelSheetHeadColor],
             [@"solid-color",                solidColor],
 
             [@"title-font",                 [CPFont boldSystemFontOfSize:CPFontCurrentSystemSize]],