feat: Update ControlPanel inner content to use overflow-y: auto and max-height: 70dvh for improved scrolling and responsive sizing, and hide overflow when collapsed.

src/components/ControlPanel.astro

@@ -546,12 +546,12 @@ import { ChevronDown } from "@lucide/astro";
 
         .control-panel-inner {
             padding: 1.5rem;
-            overflow: hidden;
+            overflow-y: auto;
             transition:
                 max-height 0.4s ease,
                 opacity 0.4s ease,
                 padding 0.4s ease;
-            max-height: 2000px;
+            max-height: 70dvh;
             opacity: 1;
             display: flex;
             flex-direction: column;
@@ -563,6 +563,7 @@ import { ChevronDown } from "@lucide/astro";
             opacity: 0;
             padding: 0 1.5rem;
             pointer-events: none;
+            overflow-y: hidden;
         }
 
         .control-panel-content {