💄 chore(style): fix some styles, update others to work on gtk4

the inset box-shadow on hover technique doesn't work anymore 😭

ags/style/_apps-window.scss

@@ -1,7 +1,5 @@
 @use "sass:color";
-@use "./mixins";
 @use "./colors";
-@use "./functions";
 
 .apps-window-container {
   $radius: 48px;
@@ -10,12 +8,16 @@
   background: colors.$bg-translucent;
   border-radius: $radius $radius 0 0;
 
-  & > entry {
+  & entry {
     background: rgba(colors.$bg-primary, .4);
     margin-bottom: 32px;
     min-width: 450px;
     padding: 14px;
     border-radius: 18px;
+
+    &:focus-within {
+      box-shadow: inset 0 0 0 2px colors.$bg-tertiary;
+    }
   }
 
   & flowbox {
@@ -26,8 +28,8 @@
         padding: 8px;
         border-radius: 24px;
 
-        & icon {
-          font-size: 64px;
+        & image {
+          -gtk-icon-size: 64px;
         }
 
         & label {