diff --git a/src/claude_memory/ui/static/css/app.css b/src/claude_memory/ui/static/css/app.css
index c92f129..6efd8b6 100644
--- a/src/claude_memory/ui/static/css/app.css
+++ b/src/claude_memory/ui/static/css/app.css
@@ -285,6 +285,8 @@ textarea.input-field {
 
 .graph-container svg {
   display: block;
+  width: 100%;
+  height: 100%;
 }
 
 /* Node detail panel */
diff --git a/src/claude_memory/ui/static/js/graph.js b/src/claude_memory/ui/static/js/graph.js
index ef84b42..e1ea1fa 100644
--- a/src/claude_memory/ui/static/js/graph.js
+++ b/src/claude_memory/ui/static/js/graph.js
@@ -46,7 +46,7 @@ function graphComponent() {
       if (memories.length === 0) return;
 
       const width = container.clientWidth || container.parentElement?.clientWidth || 800;
-      const height = container.clientHeight || 500;
+      const height = Math.max(container.clientHeight, window.innerHeight - 180);
 
       // Build nodes and tag-based edges
       const nodes = memories.map(m => ({