Update frontend/style.css

frontend/style.css

@@ -1,13 +1,43 @@
 body {
   margin: 0;
-  background: #111;
+  background: #0b0f14;
+  font-family: system-ui;
   color: white;
+}
+
+#layout {
+  display: grid;
+  grid-template-columns: 2fr 1fr;
+  height: 100vh;
+}
+
+#viewer {
+  background: #111;
+}
+
+#panel {
+  padding: 24px;
   display: flex;
+  flex-direction: column;
+  gap: 12px;
 }
-#ui {
-  padding: 20px;
+
+textarea {
+  flex: 1;
+  background: #141a22;
+  color: white;
+  border: 1px solid #2a3442;
+  border-radius: 8px;
+  padding: 12px;
+  font-size: 16px;
 }
-input, button {
-  padding: 10px;
+
+button {
+  padding: 14px;
   font-size: 16px;
+  background: #3b82f6;
+  border: none;
+  border-radius: 8px;
+  color: white;
+  cursor: pointer;
 }