Fix f-string syntax error in logo HTML

app.py

@@ -706,6 +706,12 @@ def main():
     # Header with logo and title
     logo_b64 = load_logo()
     
+    # Build logo HTML (avoid backslashes in f-string expressions)
+    if logo_b64:
+        logo_html = f'<img src="{logo_b64}" class="glow-box" style="width: 128px; height: 128px; object-fit: contain; margin: 0 auto;" />'
+    else:
+        logo_html = '<div style="width: 128px; height: 128px;"></div>'
+    
     # Create hero section matching launch page
     col1, col2, col3 = st.columns([1, 2, 1])
     
@@ -714,7 +720,7 @@ def main():
         <div class="main-header">
             <div style="display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem;">
                 <div class="float-animation">
-                    {"<img src=\"" + logo_b64 + "\" class=\"glow-box\" style=\"width: 128px; height: 128px; object-fit: contain; margin: 0 auto;\" />" if logo_b64 else "<div style=\"width: 128px; height: 128px;\"></div>"}
+                    {logo_html}
                 </div>
                 <div style="text-align: center;">
                     <h1 class="supra-title gradient-text">Intelligence Unchained</h1>