Update app.py

app.py

@@ -76,10 +76,14 @@ def reset_inputs(api_key_value=None):
     # Reset all inputs, keeping API key unchanged
     return None, "", api_key_value or ""
 
-# Styles
+# Styles with gradient background for body/app container
 css_style = """
 :root { --bg: #0f111a; --panel: #1b1e28; --text: #e9eefc; --muted: #9fb3c8; --accent: #6a8efd; }
-body, .app-container { background: var(--bg); color: var(--text); }
+body, .app-container {
+  /* Gradient background instead of solid */
+  background: linear-gradient(135deg, #2a3a67, #1b254b);
+  color: var(--text);
+}
 .header-block { width: 100%; display: flex; justify-content: center; padding: 8px 0; }
 .header-gradient { width: 100%; padding: 20px 0; border-radius: 12px; background: linear-gradient(90deg, #6a8efd, #44abc7); text-align: center; }
 .header-title { margin: 0; font-size: 2.6rem; font-weight: 900; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,.25); }