Added some more style tweaks

src/main/resources/net/metaunix/openwebfx/style.css

@@ -1,20 +1,29 @@
-/* Backgrounds */
-.root, #chatContainer, #conversationListContainer, #bottomControls {
-    -fx-background-color: #f5f5f5;
+/* style.css */
+
+/* Base font and spacing */
+.root {
+    -fx-font-family: "Segoe UI", sans-serif;
+    -fx-font-size: 14px;
 }
 
-.text-area, #chatListView, #conversationList {
-    -fx-background-color: #ffffff;
-    -fx-text-fill: black;
+.text-area, .list-view {
+    -fx-font-family: monospace;
+    -fx-padding: 8px;
+    -fx-background-radius: 8px;
+    -fx-border-radius: 8px;
 }
 
-/* Title color */
+/* App title style */
 .app-title {
-    -fx-text-fill: black;
+    -fx-font-size: 18px;
+    -fx-font-weight: bold;
 }
 
-/* Send button - green */
+/* Send button - common shape and font */
 .send-button {
-    -fx-background-color: #10b981; /* nice green */
-    -fx-text-fill: white;
+    -fx-font-weight: bold;
+    -fx-background-radius: 12px;
+    -fx-border-radius: 12px;
+    -fx-padding: 8px 16px;
+    -fx-cursor: hand;
 }