UI: move header logos further left (right:140px, gap:24px); default conf logo preview uses assets/neurips.png first

app.py

@@ -150,11 +150,11 @@ def _ui_header_logos_html():
             continue
     if not parts:
         return ""
-    # Fixed-position header bar at top-right; moved left a bit and larger spacing
+    # Fixed-position header bar at top-right; moved further left and larger spacing
     imgs = "".join(parts)
     return (
         "<style>"
-        "#p2p-logo-bar{position:fixed;top:12px;right:28px;display:flex;gap:20px;"
+        "#p2p-logo-bar{position:fixed;top:12px;right:140px;display:flex;gap:24px;"
         "align-items:center;z-index:9999}"
         "#p2p-logo-bar a{display:block;line-height:0}"
         "@media (max-width: 768px){#p2p-logo-bar img{height:32px}}"
@@ -164,9 +164,13 @@ def _ui_header_logos_html():
 
 def _default_conf_logo_path():
     """Pick a default conference logo to preview.
-    Prefer template/logos/right_logo.png, else the first of detected header logos.
+    Prefer Paper2Poster/assets/neurips.png, else template/logos/right_logo.png,
+    else the first of detected header logos.
     """
     try:
+        prefer_assets = ROOT / "Paper2Poster" / "assets" / "neurips.png"
+        if prefer_assets.exists():
+            return prefer_assets
         pref = ROOT / "template" / "logos" / "right_logo.png"
         if pref.exists():
             return pref