diff --git a/imgui.cpp b/imgui.cpp
index a2e2be2..2caee52 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (main code and documentation)
 
 // ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@@ -767,58 +767,6 @@
     ImGui::StyleColorsClassic(this);
 }
 
-void ImGui::StyleColorsClassic(ImGuiStyle* dst)
-{
-    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
-    ImVec4* colors = style->Colors;
-
-    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
-    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
-    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
-    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
-    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
-    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
-    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
-    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
-    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
-    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
-    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
-    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
-    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
-    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
-    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
-    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
-    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
-    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
-    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
-    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
-    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
-    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
-    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
-    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
-    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
-    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
-    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
-    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
-    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
-    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
-    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
-    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
-}
-
 // To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you.
 // Tips: if you need to change your scale multiple times, prefer calling this on a freshly initialized ImGuiStyle structure rather than scaling multiple times (because floating point multiplications are lossy).
 void ImGuiStyle::ScaleAllSizes(float scale_factor)
@@ -3112,11 +3060,15 @@
                 g.IO.MouseClickedTime[i] = g.Time;
             }
             g.IO.MouseClickedPos[i] = g.IO.MousePos;
+            g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
             g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
         }
         else if (g.IO.MouseDown[i])
         {
-            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
+            ImVec2 mouse_delta = g.IO.MousePos - g.IO.MouseClickedPos[i];
+            g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, mouse_delta.x < 0.0f ? -mouse_delta.x : mouse_delta.x);
+            g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, mouse_delta.y < 0.0f ? -mouse_delta.y : mouse_delta.y);
+            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(mouse_delta));
         }
         if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
             g.NavDisableMouseHover = false;

diff --git a/imgui.cpp b/imgui.cpp
index a2e2be2..2caee52 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (main code and documentation)
 
 // ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@@ -767,58 +767,6 @@
     ImGui::StyleColorsClassic(this);
 }
 
-void ImGui::StyleColorsClassic(ImGuiStyle* dst)
-{
-    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
-    ImVec4* colors = style->Colors;
-
-    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
-    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
-    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
-    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
-    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
-    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
-    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
-    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
-    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
-    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
-    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
-    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
-    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
-    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
-    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
-    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
-    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
-    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
-    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
-    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
-    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
-    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
-    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
-    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
-    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
-    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
-    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
-    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
-    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
-    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
-    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
-    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
-}
-
 // To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you.
 // Tips: if you need to change your scale multiple times, prefer calling this on a freshly initialized ImGuiStyle structure rather than scaling multiple times (because floating point multiplications are lossy).
 void ImGuiStyle::ScaleAllSizes(float scale_factor)
@@ -3112,11 +3060,15 @@
                 g.IO.MouseClickedTime[i] = g.Time;
             }
             g.IO.MouseClickedPos[i] = g.IO.MousePos;
+            g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
             g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
         }
         else if (g.IO.MouseDown[i])
         {
-            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
+            ImVec2 mouse_delta = g.IO.MousePos - g.IO.MouseClickedPos[i];
+            g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, mouse_delta.x < 0.0f ? -mouse_delta.x : mouse_delta.x);
+            g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, mouse_delta.y < 0.0f ? -mouse_delta.y : mouse_delta.y);
+            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(mouse_delta));
         }
         if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
             g.NavDisableMouseHover = false;
diff --git a/imgui.h b/imgui.h
index 21af1c5..6671641 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -16,7 +16,7 @@
 #include <stddef.h>         // ptrdiff_t, NULL
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.52"
+#define IMGUI_VERSION       "1.53 WIP"
 #define IMGUI_HAS_NAV       // navigation branch
 
 // Define attributes of all API symbols declarations, e.g. for DLL under Windows.
@@ -418,6 +418,7 @@
 
     // Styles
     IMGUI_API void          StyleColorsClassic(ImGuiStyle* dst = NULL);
+    IMGUI_API void          StyleColorsDark(ImGuiStyle* dst = NULL);
 
     // Focus, Activation
     IMGUI_API void          ActivateItem(ImGuiID id);                                           // remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
@@ -924,7 +925,8 @@
     bool        MouseDownOwned[5];          // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
     float       MouseDownDuration[5];       // Duration the mouse button has been down (0.0f == just clicked)
     float       MouseDownDurationPrev[5];   // Previous time the mouse button has been down
-    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the click point
+    ImVec2      MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the clicking point
     float       KeysDownDuration[512];      // Duration the keyboard key has been down (0.0f == just pressed)
     float       KeysDownDurationPrev[512];  // Previous duration the key has been down
     float       NavInputsDownDuration[ImGuiNavInput_COUNT];

diff --git a/imgui.cpp b/imgui.cpp
index a2e2be2..2caee52 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (main code and documentation)
 
 // ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@@ -767,58 +767,6 @@
     ImGui::StyleColorsClassic(this);
 }
 
-void ImGui::StyleColorsClassic(ImGuiStyle* dst)
-{
-    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
-    ImVec4* colors = style->Colors;
-
-    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
-    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
-    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
-    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
-    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
-    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
-    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
-    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
-    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
-    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
-    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
-    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
-    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
-    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
-    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
-    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
-    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
-    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
-    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
-    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
-    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
-    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
-    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
-    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
-    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
-    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
-    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
-    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
-    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
-    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
-    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
-    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
-}
-
 // To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you.
 // Tips: if you need to change your scale multiple times, prefer calling this on a freshly initialized ImGuiStyle structure rather than scaling multiple times (because floating point multiplications are lossy).
 void ImGuiStyle::ScaleAllSizes(float scale_factor)
@@ -3112,11 +3060,15 @@
                 g.IO.MouseClickedTime[i] = g.Time;
             }
             g.IO.MouseClickedPos[i] = g.IO.MousePos;
+            g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
             g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
         }
         else if (g.IO.MouseDown[i])
         {
-            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
+            ImVec2 mouse_delta = g.IO.MousePos - g.IO.MouseClickedPos[i];
+            g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, mouse_delta.x < 0.0f ? -mouse_delta.x : mouse_delta.x);
+            g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, mouse_delta.y < 0.0f ? -mouse_delta.y : mouse_delta.y);
+            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(mouse_delta));
         }
         if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
             g.NavDisableMouseHover = false;
diff --git a/imgui.h b/imgui.h
index 21af1c5..6671641 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -16,7 +16,7 @@
 #include <stddef.h>         // ptrdiff_t, NULL
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.52"
+#define IMGUI_VERSION       "1.53 WIP"
 #define IMGUI_HAS_NAV       // navigation branch
 
 // Define attributes of all API symbols declarations, e.g. for DLL under Windows.
@@ -418,6 +418,7 @@
 
     // Styles
     IMGUI_API void          StyleColorsClassic(ImGuiStyle* dst = NULL);
+    IMGUI_API void          StyleColorsDark(ImGuiStyle* dst = NULL);
 
     // Focus, Activation
     IMGUI_API void          ActivateItem(ImGuiID id);                                           // remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
@@ -924,7 +925,8 @@
     bool        MouseDownOwned[5];          // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
     float       MouseDownDuration[5];       // Duration the mouse button has been down (0.0f == just clicked)
     float       MouseDownDurationPrev[5];   // Previous time the mouse button has been down
-    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the click point
+    ImVec2      MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the clicking point
     float       KeysDownDuration[512];      // Duration the keyboard key has been down (0.0f == just pressed)
     float       KeysDownDurationPrev[512];  // Previous duration the key has been down
     float       NavInputsDownDuration[ImGuiNavInput_COUNT];
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 432e684..d8f16b1 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating ImGui into their code base:

diff --git a/imgui.cpp b/imgui.cpp
index a2e2be2..2caee52 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (main code and documentation)
 
 // ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@@ -767,58 +767,6 @@
     ImGui::StyleColorsClassic(this);
 }
 
-void ImGui::StyleColorsClassic(ImGuiStyle* dst)
-{
-    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
-    ImVec4* colors = style->Colors;
-
-    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
-    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
-    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
-    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
-    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
-    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
-    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
-    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
-    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
-    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
-    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
-    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
-    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
-    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
-    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
-    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
-    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
-    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
-    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
-    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
-    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
-    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
-    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
-    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
-    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
-    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
-    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
-    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
-    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
-    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
-    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
-    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
-}
-
 // To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you.
 // Tips: if you need to change your scale multiple times, prefer calling this on a freshly initialized ImGuiStyle structure rather than scaling multiple times (because floating point multiplications are lossy).
 void ImGuiStyle::ScaleAllSizes(float scale_factor)
@@ -3112,11 +3060,15 @@
                 g.IO.MouseClickedTime[i] = g.Time;
             }
             g.IO.MouseClickedPos[i] = g.IO.MousePos;
+            g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
             g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
         }
         else if (g.IO.MouseDown[i])
         {
-            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
+            ImVec2 mouse_delta = g.IO.MousePos - g.IO.MouseClickedPos[i];
+            g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, mouse_delta.x < 0.0f ? -mouse_delta.x : mouse_delta.x);
+            g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, mouse_delta.y < 0.0f ? -mouse_delta.y : mouse_delta.y);
+            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(mouse_delta));
         }
         if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
             g.NavDisableMouseHover = false;
diff --git a/imgui.h b/imgui.h
index 21af1c5..6671641 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -16,7 +16,7 @@
 #include <stddef.h>         // ptrdiff_t, NULL
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.52"
+#define IMGUI_VERSION       "1.53 WIP"
 #define IMGUI_HAS_NAV       // navigation branch
 
 // Define attributes of all API symbols declarations, e.g. for DLL under Windows.
@@ -418,6 +418,7 @@
 
     // Styles
     IMGUI_API void          StyleColorsClassic(ImGuiStyle* dst = NULL);
+    IMGUI_API void          StyleColorsDark(ImGuiStyle* dst = NULL);
 
     // Focus, Activation
     IMGUI_API void          ActivateItem(ImGuiID id);                                           // remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
@@ -924,7 +925,8 @@
     bool        MouseDownOwned[5];          // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
     float       MouseDownDuration[5];       // Duration the mouse button has been down (0.0f == just clicked)
     float       MouseDownDurationPrev[5];   // Previous time the mouse button has been down
-    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the click point
+    ImVec2      MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the clicking point
     float       KeysDownDuration[512];      // Duration the keyboard key has been down (0.0f == just pressed)
     float       KeysDownDurationPrev[512];  // Previous duration the key has been down
     float       NavInputsDownDuration[ImGuiNavInput_COUNT];
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 432e684..d8f16b1 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating ImGui into their code base:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 983cce1..aeb7a28 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,7 +1,8 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (drawing and font code)
 
 // Contains implementation for
+// - Default styles
 // - ImDrawList
 // - ImDrawData
 // - ImFontAtlas
@@ -117,6 +118,111 @@
 #endif
 
 //-----------------------------------------------------------------------------
+// Style functions
+//-----------------------------------------------------------------------------
+
+void ImGui::StyleColorsClassic(ImGuiStyle* dst)
+{
+    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
+    ImVec4* colors = style->Colors;
+
+    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
+    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
+    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
+    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
+    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
+    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
+    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
+    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
+    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
+    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
+    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
+    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
+    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
+    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
+    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
+    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
+    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
+    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
+    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
+    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
+    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
+    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
+    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
+    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
+    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
+    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
+    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
+    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
+    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
+    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
+    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
+    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
+    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
+    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
+    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
+    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
+    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
+    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
+    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
+    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
+}
+
+void ImGui::StyleColorsDark(ImGuiStyle* dst)
+{
+    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
+    ImVec4* colors = style->Colors;
+
+    colors[ImGuiCol_Text]                   = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
+    colors[ImGuiCol_TextDisabled]           = ImVec4(0.40f, 0.40f, 0.40f, 1.00f);
+    colors[ImGuiCol_WindowBg]               = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
+    colors[ImGuiCol_Border]                 = ImVec4(1.00f, 1.00f, 1.00f, 0.19f);
+    colors[ImGuiCol_ChildWindowBg]          = ImVec4(1.00f, 1.00f, 1.00f, 0.00f);
+    colors[ImGuiCol_PopupBg]                = ImVec4(0.00f, 0.00f, 0.00f, 0.94f);
+    colors[ImGuiCol_FrameBg]                = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
+    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
+    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
+    colors[ImGuiCol_TitleBg]                = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
+    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
+    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.18f, 0.18f, 0.18f, 1.00f);
+    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
+    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
+    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
+    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
+    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
+    colors[ImGuiCol_ComboBg]                = ImVec4(0.14f, 0.14f, 0.14f, 0.99f);
+    colors[ImGuiCol_CheckMark]              = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_SliderGrab]             = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
+    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_Button]                 = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
+    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_ButtonActive]           = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
+    colors[ImGuiCol_Header]                 = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
+    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
+    colors[ImGuiCol_HeaderActive]           = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_Separator]              = colors[ImGuiCol_Border];//ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
+    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
+    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_ResizeGrip]             = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
+    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
+    colors[ImGuiCol_ResizeGripActive]       = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
+    colors[ImGuiCol_CloseButton]            = ImVec4(0.41f, 0.41f, 0.41f, 0.50f);
+    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
+    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
+    colors[ImGuiCol_PlotLines]              = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
+    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
+    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
+    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
+    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
+}
+
+//-----------------------------------------------------------------------------
 // ImDrawList
 //-----------------------------------------------------------------------------
 

diff --git a/imgui.cpp b/imgui.cpp
index a2e2be2..2caee52 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (main code and documentation)
 
 // ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@@ -767,58 +767,6 @@
     ImGui::StyleColorsClassic(this);
 }
 
-void ImGui::StyleColorsClassic(ImGuiStyle* dst)
-{
-    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
-    ImVec4* colors = style->Colors;
-
-    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
-    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
-    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
-    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
-    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
-    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
-    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
-    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
-    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
-    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
-    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
-    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
-    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
-    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
-    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
-    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
-    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
-    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
-    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
-    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
-    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
-    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
-    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
-    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
-    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
-    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
-    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
-    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
-    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
-    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
-    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
-    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
-    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
-    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
-    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
-    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
-    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
-    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
-    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
-    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
-}
-
 // To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you.
 // Tips: if you need to change your scale multiple times, prefer calling this on a freshly initialized ImGuiStyle structure rather than scaling multiple times (because floating point multiplications are lossy).
 void ImGuiStyle::ScaleAllSizes(float scale_factor)
@@ -3112,11 +3060,15 @@
                 g.IO.MouseClickedTime[i] = g.Time;
             }
             g.IO.MouseClickedPos[i] = g.IO.MousePos;
+            g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
             g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
         }
         else if (g.IO.MouseDown[i])
         {
-            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
+            ImVec2 mouse_delta = g.IO.MousePos - g.IO.MouseClickedPos[i];
+            g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, mouse_delta.x < 0.0f ? -mouse_delta.x : mouse_delta.x);
+            g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, mouse_delta.y < 0.0f ? -mouse_delta.y : mouse_delta.y);
+            g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(mouse_delta));
         }
         if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
             g.NavDisableMouseHover = false;
diff --git a/imgui.h b/imgui.h
index 21af1c5..6671641 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -16,7 +16,7 @@
 #include <stddef.h>         // ptrdiff_t, NULL
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.52"
+#define IMGUI_VERSION       "1.53 WIP"
 #define IMGUI_HAS_NAV       // navigation branch
 
 // Define attributes of all API symbols declarations, e.g. for DLL under Windows.
@@ -418,6 +418,7 @@
 
     // Styles
     IMGUI_API void          StyleColorsClassic(ImGuiStyle* dst = NULL);
+    IMGUI_API void          StyleColorsDark(ImGuiStyle* dst = NULL);
 
     // Focus, Activation
     IMGUI_API void          ActivateItem(ImGuiID id);                                           // remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
@@ -924,7 +925,8 @@
     bool        MouseDownOwned[5];          // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
     float       MouseDownDuration[5];       // Duration the mouse button has been down (0.0f == just clicked)
     float       MouseDownDurationPrev[5];   // Previous time the mouse button has been down
-    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the click point
+    ImVec2      MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point
+    float       MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the clicking point
     float       KeysDownDuration[512];      // Duration the keyboard key has been down (0.0f == just pressed)
     float       KeysDownDurationPrev[512];  // Previous duration the key has been down
     float       NavInputsDownDuration[ImGuiNavInput_COUNT];
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 432e684..d8f16b1 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating ImGui into their code base:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 983cce1..aeb7a28 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,7 +1,8 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (drawing and font code)
 
 // Contains implementation for
+// - Default styles
 // - ImDrawList
 // - ImDrawData
 // - ImFontAtlas
@@ -117,6 +118,111 @@
 #endif
 
 //-----------------------------------------------------------------------------
+// Style functions
+//-----------------------------------------------------------------------------
+
+void ImGui::StyleColorsClassic(ImGuiStyle* dst)
+{
+    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
+    ImVec4* colors = style->Colors;
+
+    colors[ImGuiCol_Text]                   = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
+    colors[ImGuiCol_TextDisabled]           = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
+    colors[ImGuiCol_WindowBg]               = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
+    colors[ImGuiCol_ChildWindowBg]          = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
+    colors[ImGuiCol_PopupBg]                = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
+    colors[ImGuiCol_Border]                 = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
+    colors[ImGuiCol_BorderShadow]           = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
+    colors[ImGuiCol_FrameBg]                = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);   // Background of checkbox, radio button, plot, slider, text input
+    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
+    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.90f, 0.65f, 0.65f, 0.45f);
+    colors[ImGuiCol_TitleBg]                = ImVec4(0.24f, 0.24f, 0.50f, 0.83f);
+    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
+    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.33f, 0.33f, 0.65f, 0.87f);
+    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
+    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
+    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
+    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
+    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.80f, 0.50f, 0.50f, 0.40f);
+    colors[ImGuiCol_ComboBg]                = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
+    colors[ImGuiCol_CheckMark]              = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
+    colors[ImGuiCol_SliderGrab]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
+    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_Button]                 = ImVec4(0.67f, 0.40f, 0.40f, 0.60f);
+    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.67f, 0.40f, 0.40f, 1.00f);
+    colors[ImGuiCol_ButtonActive]           = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_Header]                 = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
+    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
+    colors[ImGuiCol_HeaderActive]           = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
+    colors[ImGuiCol_Separator]              = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
+    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
+    colors[ImGuiCol_ResizeGrip]             = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
+    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
+    colors[ImGuiCol_ResizeGripActive]       = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
+    colors[ImGuiCol_CloseButton]            = ImVec4(0.50f, 0.50f, 0.90f, 0.50f);
+    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.70f, 0.70f, 0.90f, 0.60f);
+    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
+    colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
+    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
+    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
+    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
+    colors[ImGuiCol_NavHighlight]           = colors[ImGuiCol_HeaderHovered];
+    colors[ImGuiCol_NavWindowingHighlight]  = ImVec4(1.00f, 1.00f, 1.00f, 0.12f);
+}
+
+void ImGui::StyleColorsDark(ImGuiStyle* dst)
+{
+    ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
+    ImVec4* colors = style->Colors;
+
+    colors[ImGuiCol_Text]                   = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
+    colors[ImGuiCol_TextDisabled]           = ImVec4(0.40f, 0.40f, 0.40f, 1.00f);
+    colors[ImGuiCol_WindowBg]               = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
+    colors[ImGuiCol_Border]                 = ImVec4(1.00f, 1.00f, 1.00f, 0.19f);
+    colors[ImGuiCol_ChildWindowBg]          = ImVec4(1.00f, 1.00f, 1.00f, 0.00f);
+    colors[ImGuiCol_PopupBg]                = ImVec4(0.00f, 0.00f, 0.00f, 0.94f);
+    colors[ImGuiCol_FrameBg]                = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
+    colors[ImGuiCol_FrameBgHovered]         = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
+    colors[ImGuiCol_FrameBgActive]          = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
+    colors[ImGuiCol_TitleBg]                = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
+    colors[ImGuiCol_TitleBgCollapsed]       = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
+    colors[ImGuiCol_TitleBgActive]          = ImVec4(0.18f, 0.18f, 0.18f, 1.00f);
+    colors[ImGuiCol_MenuBarBg]              = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
+    colors[ImGuiCol_ScrollbarBg]            = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
+    colors[ImGuiCol_ScrollbarGrab]          = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
+    colors[ImGuiCol_ScrollbarGrabHovered]   = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
+    colors[ImGuiCol_ScrollbarGrabActive]    = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
+    colors[ImGuiCol_ComboBg]                = ImVec4(0.14f, 0.14f, 0.14f, 0.99f);
+    colors[ImGuiCol_CheckMark]              = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_SliderGrab]             = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
+    colors[ImGuiCol_SliderGrabActive]       = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_Button]                 = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
+    colors[ImGuiCol_ButtonHovered]          = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_ButtonActive]           = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
+    colors[ImGuiCol_Header]                 = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
+    colors[ImGuiCol_HeaderHovered]          = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
+    colors[ImGuiCol_HeaderActive]           = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_Separator]              = colors[ImGuiCol_Border];//ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
+    colors[ImGuiCol_SeparatorHovered]       = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
+    colors[ImGuiCol_SeparatorActive]        = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
+    colors[ImGuiCol_ResizeGrip]             = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
+    colors[ImGuiCol_ResizeGripHovered]      = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
+    colors[ImGuiCol_ResizeGripActive]       = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
+    colors[ImGuiCol_CloseButton]            = ImVec4(0.41f, 0.41f, 0.41f, 0.50f);
+    colors[ImGuiCol_CloseButtonHovered]     = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
+    colors[ImGuiCol_CloseButtonActive]      = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
+    colors[ImGuiCol_PlotLines]              = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
+    colors[ImGuiCol_PlotLinesHovered]       = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
+    colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
+    colors[ImGuiCol_PlotHistogramHovered]   = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
+    colors[ImGuiCol_TextSelectedBg]         = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
+    colors[ImGuiCol_ModalWindowDarkening]   = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
+}
+
+//-----------------------------------------------------------------------------
 // ImDrawList
 //-----------------------------------------------------------------------------
 
diff --git a/imgui_internal.h b/imgui_internal.h
index 4b8c851..3fc56a8 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.52
+// dear imgui, v1.53 WIP
 // (internals)
 
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!