Update app.py

app.py

@@ -59,11 +59,22 @@ CSS_CUSTOM = """
 input, textarea { color: #fff !important; }
 input::placeholder, textarea::placeholder { color: #ddd !important; }
 label { color: #fff !important; }
-input:focus, textarea:focus {
+
+.gr-text-input:focus-within,
+.gr-text-area:focus-within,
+.gr-input:focus-within {
     outline: none !important;
     box-shadow: none !important;
-    border-color: #888 !important;
+    border-color: #888 !important;   /* gris neutro opcional */
 }
+
+/* Por si quedaba algo en el propio input/textarea */
+input:focus, textarea:focus,
+input:focus-visible, textarea:focus-visible {
+    outline: none !important;
+    box-shadow: none !important;
+    border-color: #888 !important;
+
 """
 
 with gr.Blocks(theme="lone17/kotaemon", css=CSS_CUSTOM) as demo:
@@ -125,8 +136,8 @@ with gr.Blocks(theme="lone17/kotaemon", css=CSS_CUSTOM) as demo:
             galeria = gr.Gallery(
                 label="📁 Elige una imagen de ejemplo",
                 value=[img for img, _ in example_imgs],
-                columns=999,          # fuerza una sola fila
-                height="110px",
+                columns=3,
+                height="300px",
                 allow_preview=True,
                 show_label=True,
                 elem_id="galeria-scroll",