diff --git a/chat/public/topup.html b/chat/public/topup.html
index 6849ef0..fb32591 100644
--- a/chat/public/topup.html
+++ b/chat/public/topup.html
@@ -47,12 +47,15 @@
   
   <style>
     :root {
+      --green: #008060;
+      --green-dark: #004c3f;
       --shopify-green: #008060;
       --shopify-green-dark: #004c3f;
       --shopify-green-light: #e3f5ef;
       --border: #e5e7eb;
       --muted: #6b7280;
       --bg: #f8fafc;
+      --panel: #ffffff;
     }
 
     * {
@@ -460,12 +463,9 @@
 
     .nav-bar {
       background: white;
-      border-bottom: 1px solid #e5e7eb;
+      border-bottom: 1px solid #e9ecef;
       padding: 16px 24px;
-      margin-bottom: 40px;
-      position: sticky;
-      top: 0;
-      z-index: 100;
+      margin-bottom: 32px;
     }
 
     .nav-content {
@@ -487,7 +487,7 @@
       width: 40px;
       height: 40px;
       border-radius: 10px;
-      background: linear-gradient(135deg, var(--shopify-green), var(--shopify-green-dark));
+      background: linear-gradient(135deg, var(--green), var(--green-dark));
       display: flex;
       align-items: center;
       justify-content: center;