diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..88eb8a2
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,50 @@
+if [ -f "build/index.html" ]; then
+  python3 << 'EOF'
+with open('build/index.html', 'r') as f:
+    content = f.read()
+
+script = '''
+<script>
+(function() {
+  function scrollToTop() {
+    window.addEventListener('click', function(e) {
+      const btn = e.target.closest('button[aria-label="Scroll to top"]');
+      if (!btn) return;
+      e.stopImmediatePropagation();
+      e.preventDefault();
+
+      const scrollContainer = [...document.querySelectorAll('*')].find(el => {
+        const s = getComputedStyle(el);
+        return el.scrollTop > 0 || 
+          ((s.overflow === 'auto' || s.overflow === 'scroll' || 
+            s.overflowY === 'auto' || s.overflowY === 'scroll') && 
+            el.scrollHeight > el.clientHeight && !el.className);
+      });
+
+      if (scrollContainer) {
+        scrollContainer.scrollTo({ top: 0, behavior: 'smooth' });
+      } else {
+        window.scrollTo({ top: 0, behavior: 'smooth' });
+      }
+    }, true);
+  }
+
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', scrollToTop);
+  } else {
+    scrollToTop();
+  }
+})();
+</script>
+'''
+
+if '</body>' in content:
+    content = content.replace('</body>', script + '\n</body>')
+    with open('build/index.html', 'w') as f:
+        f.write(content)
+    print("Smooth scroll script injected successfully")
+else:
+    print("Warning: </body> tag not found in index.html")
+EOF
+fi
+