fix(config-page): restore page and editor scrolling with fixed card height

src/pages/ConfigPage.module.scss

@@ -2,11 +2,10 @@
 
 .container {
   width: 100%;
-  height: 100%;
-  flex: 1;
+  min-height: 100%;
   display: flex;
   flex-direction: column;
-  min-height: 0;
+  overflow-y: auto;
 }
 
 .pageTitle {
@@ -134,8 +133,8 @@
 
 .editorWrapper {
   width: 100%;
-  flex: 0 0 auto;
-  height: 480px;
+  flex: 1;
+  min-height: 400px;
   border: 1px solid var(--border-color);
   border-radius: $radius-lg;
   overflow: hidden;
@@ -220,9 +219,9 @@
 .configCard {
   display: flex;
   flex-direction: column;
-  flex: 1;
-  min-height: 0;
-  overflow: hidden;
+  height: 560px;
+  flex-shrink: 0;
+  overflow: visible;
 }
 
 .actions {
@@ -254,10 +253,11 @@
   }
 
   .configCard {
+    height: 440px;
     padding: $spacing-md;
   }
 
   .editorWrapper {
-    height: 360px;
+    min-height: 300px;
   }
 }