UI: move header logos to fixed top-right bar; correct emoji placement before CAMEL-ai

app.py

@@ -139,7 +139,17 @@ def _ui_header_logos_html():
             continue
     if not parts:
         return ""
-    return "<div style='display:flex;justify-content:flex-end;gap:12px;align-items:center;margin:8px 0'>" + "".join(parts) + "</div>"
+    # Render as a fixed-position header bar at the top-right so it doesn't push the layout down.
+    imgs = "".join(parts)
+    return (
+        "<style>"
+        "#p2p-logo-bar{position:fixed;top:12px;right:16px;display:flex;gap:12px;"
+        "align-items:center;z-index:9999}"
+        "#p2p-logo-bar img{height:44px;width:auto;object-fit:contain;display:block}"
+        "@media (max-width: 768px){#p2p-logo-bar img{height:32px}}"
+        "</style>"
+        "<div id='p2p-logo-bar'>" + imgs + "</div>"
+    )
 
 ## Removed sanitizer per request: do not mutate user-generated TeX