diff --git a/marketplace.html b/marketplace.html
index 7616e63a..8164c3ee 100644
--- a/marketplace.html
+++ b/marketplace.html
@@ -1229,7 +1229,9 @@
       right: 0;
       top: 0;
       width: 340px;
-      height: 100%;
+      height: 100vh;
+      max-height: 100vh;
+      box-sizing: border-box;
       background: radial-gradient(circle at top, rgba(37, 99, 235, 0.34), transparent 55%),
         rgba(15, 23, 42, 0.98);
       border-left: 1px solid rgba(148, 163, 184, 0.55);
@@ -1239,6 +1241,7 @@
       z-index: 1100;
       display: flex;
       flex-direction: column;
+      overflow: hidden;
       padding: 18px 16px 16px;
       color: #e5e7eb;
       -webkit-backdrop-filter: blur(14px);
@@ -1261,6 +1264,7 @@
       align-items: center;
       justify-content: space-between;
       margin-bottom: 8px;
+      flex-shrink: 0;
     }
 
     .cart-header-title {
@@ -1389,6 +1393,7 @@
       display: flex;
       flex-direction: column;
       gap: 6px;
+      flex-shrink: 0;
     }
 
     .cart-summary-row {