STYLE: Refactor box-shadow properties for window and appbar components to enhance visual consistency and depth

Author: lainsce

Helium/gtk-4.0/_tauos.scss

@@ -3344,11 +3344,6 @@ $colors: (
   }
 }
 
-window.csd:has(.flat-appbar),
-window.csd:has(.appbar) {
-  box-shadow: inset 0 1px 0 0 gtkalpha(white, 0.15);
-}
-
 .flat-appbar {
   padding: 4px;
 }
@@ -4115,6 +4110,7 @@ window.csd:has(.appbar) {
   background: bg-color(-2);
   border-radius: 24px 24px 0 0;
   padding: 0 18px 9px 18px;
+  box-shadow: inset 0 1px 0 0 gtkalpha(white, 0.15);
   transition: $trans-reveal-state;
 }
 

Helium/gtk-4.0/widgets/_window.scss

@@ -2,14 +2,15 @@ window {
   border-width: 0px;
 
   &.csd {
-    box-shadow: shadow(5), 0 0 0 1px gtkalpha($borders, 0.4);
+    box-shadow: shadow(5), inset 0 1px 0 0 gtkalpha(white, 0.15), inset 0 0 0 1px gtkalpha($borders, 0.4);
     margin: 0px;
     border-radius: $window_radius;
 
     &:backdrop {
       // The transparent is to avoid jumping, and should be of the biggest shadow on active
       box-shadow: shadow(4), 0 32px 64px 0px transparent,
-        0 0 0 1px gtkalpha($borders, 0.4);
+      inset 0 1px 0 0 gtkalpha(white, 0.15),
+      inset 0 0 0 1px gtkalpha($borders, 0.4);
     }
 
     &.dialog.message {
@@ -32,10 +33,10 @@ window {
       border-radius: 0;
       outline: none;
 
-      box-shadow: 0 0 0 1px $borders, 0 0 0 20px transparent;
+      box-shadow: inset 0 1px 0 0 gtkalpha(white, 0.15), inset 0 0 0 1px $borders, 0 0 0 20px transparent;
 
       &:backdrop {
-        box-shadow: 0 0 0 1px $borders, 0 0 0 20px transparent;
+        box-shadow: inset 0 1px 0 0 gtkalpha(white, 0.15), inset 0 0 0 1px $borders, 0 0 0 20px transparent;
       }
     }
 
@@ -51,11 +52,11 @@ window {
     margin: 0;
     padding: 5px;
     border-radius: 0;
-    box-shadow: inset 0 0 0 9px $headerbar_bg_color, inset 0 0 0 1px $borders;
+    box-shadow: inset 0 0 0 9px $headerbar_bg_color, inset 0 1px 0 0 gtkalpha(white, 0.15), inset 0 0 0 1px $borders;
 
     &:backdrop {
       box-shadow: inset 0 0 0 9px $headerbar_backdrop_color,
-        inset 0 0 0 1px $borders;
+        inset 0 1px 0 0 gtkalpha(white, 0.15), inset 0 0 0 1px $borders;
     }
   }
 }