Frost translucent panels with glass

Panels whose background isn't solid draw the blurred game behind them,
cut to the same rounded rectangle texture as the background, where the
version supports glass. Panel screens then leave the rest of the game
unblurred.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/main/java/org/saturnclient/ui/PanelScreen.java

@@ -1,5 +1,6 @@
 package org.saturnclient.ui;
 
+import org.saturnclient.common.provider.Providers;
 import org.saturnclient.ui.components.Sidebar;
 import org.saturnclient.ui.elements.ImageTexture;
 import org.saturnclient.ui.elements.Panel;
@@ -38,6 +39,9 @@ public abstract class PanelScreen extends SaturnScreen {
 
     @Override
     public final void ui() {
+        // The panels are frosted themselves, so the rest of the game stays clear.
+        blurBackground = !Providers.saturn.supportsGlass();
+
         panelWidth = Math.min(MAX_WIDTH, width - MARGIN * 2 - Sidebar.WIDTH - GAP);
         panelHeight = Math.min(MAX_HEIGHT, height - MARGIN * 2);