Update app.py

app.py

@@ -98,6 +98,27 @@ HF_TEXTGEN_TOKEN = bool(os.getenv("HF_READ_TOKEN") or os.getenv("HF_TOKEN"))
 
 # CSS copied from prior app.py to preserve exact look-and-feel
 CSS_STYLES = """
+    /* App background: subtle top-left glow, light coming from one side */
+    .gradio-container {
+        /* Keep existing theme background but add a faint glow overlay */
+        background-image:
+            radial-gradient(1200px 800px at 0% 0%, rgba(99, 102, 241, 0.10), rgba(99, 102, 241, 0.00) 70%),
+            radial-gradient(700px 500px at 100% 0%, rgba(59, 130, 246, 0.05), rgba(59, 130, 246, 0.00) 70%);
+        background-attachment: fixed, fixed; /* gentle parallax feel on scroll */
+        background-repeat: no-repeat;
+        background-blend-mode: screen; /* subtle light effect over dark themes */
+    }
+
+    @media (prefers-color-scheme: light) {
+        .gradio-container {
+            /* Slightly softer in light mode */
+            background-image:
+                radial-gradient(1200px 800px at 0% 0%, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.00) 70%),
+                radial-gradient(700px 500px at 100% 0%, rgba(59, 130, 246, 0.04), rgba(59, 130, 246, 0.00) 70%);
+            background-blend-mode: multiply; /* keep gentle tint over light base */
+        }
+    }
+
     /* Style only the top-level app title to avoid affecting headings elsewhere */
     .app-title {
         text-align: center;