Match Memory Strategy dropdown height to the Model textbox

Reason: the dropdown was rendering with tiny 2px padding so it looked
noticeably smaller than the neighbouring Model textbox. Give the dropdown
the same 44px min-height and 14px horizontal padding that Gradio's
textbox uses by default.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app.py

@@ -523,18 +523,34 @@ gradio-app > div {
   border: 1px solid var(--q-line-strong) !important;
   border-radius: var(--q-radius-md) !important;
   box-shadow: none !important;
-  padding: 2px 4px !important;
+  padding: 0 !important;
+  min-height: 44px !important;
+  display: flex !important;
+  align-items: center !important;
+  width: 100% !important;
 }
 [class*="gradio-container"] [data-testid="dropdown"] > .wrap,
 [class*="gradio-container"] [data-testid="dropdown"] .secondary-wrap,
 [class*="gradio-container"] [data-testid="dropdown"] .wrap-inner,
-[class*="gradio-container"] [data-testid="dropdown"] input,
 [class*="gradio-container"] [data-testid="dropdown"] .input-container,
 [class*="gradio-container"] [class*="dropdown"] .wrap {
   background: transparent !important;
   border: none !important;
   box-shadow: none !important;
   border-radius: 10px !important;
+  width: 100% !important;
+  min-height: 42px !important;
+  padding: 0 14px !important;
+  display: flex !important;
+  align-items: center !important;
+}
+[class*="gradio-container"] [data-testid="dropdown"] input {
+  background: transparent !important;
+  border: none !important;
+  box-shadow: none !important;
+  padding: 0 !important;
+  height: 42px !important;
+  font-size: 0.95rem !important;
 }
 [class*="gradio-container"] .options ul,
 [class*="gradio-container"] .options {