diff --git a/src/ui/left_panel.zig b/src/ui/left_panel.zig
index 27881b8..231d767 100644
--- a/src/ui/left_panel.zig
+++ b/src/ui/left_panel.zig
@@ -74,7 +74,7 @@ fn objectTreeRow(open_doc: *WindowContext.OpenDocument, obj: *Object, depth: u32
                 .{ .id_extra = row_id, .expand = .horizontal },
             );
 
-            if (is_selected or hovered) {
+            if (hovered) {
                 const delete_opts: dvui.Options = .{
                     .id_extra = row_id +% 1,
                     .margin = dvui.Rect{ .x = 4 },
@@ -114,7 +114,11 @@ fn objectTree(ctx: *WindowContext) void {
         if (object_callback) |callback| {
             switch (callback) {
                 .select => |obj| {
-                    open_doc.selected_object = obj;
+                    if (open_doc.selected_object == obj) {
+                        open_doc.selected_object = null;
+                    } else {
+                        open_doc.selected_object = obj;
+                    }
                 },
                 .delete => |obj| {
                     _ = doc.removeObject(obj);
@@ -136,7 +140,9 @@ pub fn leftPanel(ctx: *WindowContext) void {
         .{ .dir = .vertical },
         .{
             .expand = .vertical,
+            // Фиксированная ширина левой панели
             .min_size_content = .{ .w = 220 },
+            .max_size_content = .{ .h = undefined, .w = 220 },
             .background = true,
             .padding = padding,
         },
@@ -199,10 +205,14 @@ pub fn leftPanel(ctx: *WindowContext) void {
             },
         );
         {
-            dvui.label(@src(), "Objects", .{}, .{});
+            dvui.label(@src(), "Objects", .{}, .{ .font = .{
+                .id = dvui.themeGet().font_heading.id,
+                .line_height_factor = dvui.themeGet().font_heading.line_height_factor,
+                .size = dvui.themeGet().font_heading.size + 8,
+            }, .gravity_x = 0.5 });
             var scroll = dvui.scrollArea(
                 @src(),
-                .{ .vertical = .auto },
+                .{ .vertical = .auto, .horizontal = .auto },
                 .{ .expand = .both, .background = false },
             );
             {