Claude Code: Improve Cain's UI with visual polish

- Add styled header with logo placeholder and enhanced layout
- Add "Powered by HuggingClaw AI Family" footer with branding
- Enhance CSS with animations and gradient effects
- Keep existing "soft" theme for Chatbot interface

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app.py

@@ -1559,7 +1559,7 @@ CUSTOM_CSS = """
 /* ========== Header Styles ========== */
 .agent-office-header {
     background: linear-gradient(135deg, #1a1a2e 0%, #2d1b4e 50%, #1a1a2e 100%);
-    padding: 25px 30px;
+    padding: 20px 30px;
     border-radius: 16px;
     margin-bottom: 25px;
     color: var(--text-primary);
@@ -1575,7 +1575,7 @@ CUSTOM_CSS = """
     top: 0;
     left: 0;
     right: 0;
-    height: 2px;
+    height: 3px;
     background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), var(--accent-purple));
     animation: shimmer 3s infinite;
 }
@@ -1585,15 +1585,74 @@ CUSTOM_CSS = """
     50% { opacity: 1; }
 }
 
-.agent-office-header h1 {
-    margin: 0;
-    font-size: 2.2em;
+.header-logo-container {
+    display: flex;
+    align-items: center;
+    gap: 20px;
+}
+
+.logo-placeholder {
+    font-size: 4em;
+    width: 80px;
+    height: 80px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
+    border-radius: 20px;
+    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
+    animation: pulse-glow 2s ease-in-out infinite;
+}
+
+@keyframes pulse-glow {
+    0%, 100% { box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4); }
+    50% { box-shadow: 0 4px 30px rgba(124, 58, 237, 0.7); }
+}
+
+.header-text h1 {
+    margin: 0 0 5px 0;
+    font-size: 2em;
     background: linear-gradient(90deg, #a78bfa, #60a5fa);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     text-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
 }
 
+.header-text p {
+    margin: 0;
+    color: var(--text-secondary);
+    font-size: 1.1em;
+}
+
+/* ========== Footer Styles ========== */
+.agent-office-footer {
+    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
+    padding: 20px 30px;
+    border-radius: 12px;
+    text-align: center;
+    color: var(--text-secondary);
+    border: 1px solid var(--border-color);
+    margin-top: 20px;
+}
+
+.agent-office-footer p {
+    margin: 5px 0;
+    font-size: 1em;
+}
+
+.agent-office-footer strong {
+    background: linear-gradient(90deg, #a78bfa, #60a5fa);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    font-weight: 700;
+}
+
+.footer-tagline {
+    font-size: 0.85em !important;
+    opacity: 0.7;
+    font-style: italic;
+}
+
 /* ========== Tab Styles ========== */
 .tabs {
     background: var(--bg-secondary) !important;
@@ -1922,8 +1981,13 @@ def create_agent_office():
         # ========== Header Section ==========
         gr.HTML("""
         <div class="agent-office-header">
-            <h1>🏢 HuggingClaw Agent Office</h1>
-            <p>Welcome to the HuggingClaw multi-agent system simulation</p>
+            <div class="header-logo-container">
+                <div class="logo-placeholder">🤗</div>
+                <div class="header-text">
+                    <h1>🏢 HuggingClaw Agent Office</h1>
+                    <p>Welcome to the HuggingClaw multi-agent system simulation</p>
+                </div>
+            </div>
         </div>
         """)
 
@@ -2135,6 +2199,12 @@ def create_agent_office():
 
         # ========== Footer ==========
         gr.Markdown("---")
+        gr.HTML("""
+        <div class="agent-office-footer">
+            <p>⚡ Powered by <strong>HuggingClaw AI Family</strong> ⚡</p>
+            <p class="footer-tagline">Multi-Agent Intelligence System</p>
+        </div>
+        """)
         with gr.Row():
             refresh_all_btn = gr.Button("🔄 Refresh All", variant="primary")
             last_updated_display = gr.Markdown(