diff --git a/README.md b/README.md
index de006c2..6f38c6b 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,17 @@
-# ZeroGravity
+<h1 align="center">ZeroGravity</h1>
 
 <p align="center">
   <img src="assets/logo.png" alt="ZeroGravity" width="200" />
 </p>
 
-OpenAI-compatible proxy that intercepts and relays requests to Google's Antigravity language server, impersonating the real Electron webview.
+<p align="center">
+  OpenAI-compatible proxy that intercepts and relays requests to Google's Antigravity language server, impersonating the real Electron webview.
+</p>
+
+---
 
 ```mermaid
-%%{init: {'theme': 'dark', 'themeVariables': {'primaryColor': '#1a1a2e', 'primaryTextColor': '#e0e0e0', 'primaryBorderColor': '#7c3aed', 'lineColor': '#7c3aed', 'secondaryColor': '#16213e', 'tertiaryColor': '#0f3460', 'edgeLabelBackground': '#1a1a2e', 'nodeTextColor': '#e0e0e0'}}}%%
+%%{init: {'theme': 'dark', 'themeVariables': {'primaryColor': '#2a2a2a', 'primaryTextColor': '#d0d0d0', 'primaryBorderColor': '#888', 'lineColor': '#888', 'secondaryColor': '#333', 'tertiaryColor': '#3a3a3a', 'edgeLabelBackground': '#2a2a2a', 'nodeTextColor': '#d0d0d0'}}}%%
 graph LR
     Client["Client"] -->|"OpenAI / Gemini API"| Proxy["Proxy :8741"]
     Proxy -->|"gRPC (dummy prompt)"| LS["Standalone LS"]
@@ -17,10 +21,10 @@ graph LR
     MITM -->|"Usage, errors,<br/>function calls"| Proxy
     LS -.->|"iptables redirect<br/>(UID-scoped)"| MITM
 
-    style Proxy fill:#7c3aed,color:#fff
-    style MITM fill:#e94560,color:#fff
-    style LS fill:#2563eb,color:#fff
-    style Google fill:#059669,color:#fff
+    style Proxy fill:#4a4a4a,color:#e0e0e0,stroke:#888
+    style MITM fill:#3a3a3a,color:#e0e0e0,stroke:#888
+    style LS fill:#505050,color:#e0e0e0,stroke:#888
+    style Google fill:#444,color:#e0e0e0,stroke:#888
 ```
 
 ## Quick Start