diff --git a/src/index.ts b/src/index.ts
index c7c18fbc..05704c11 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -34,17 +34,19 @@ export class GlobalContext {
   private viewport: Viewport = null;
   private datagraph: DataGraph;
   private viewgraph: ViewGraph;
+  private saveIntervalId: NodeJS.Timeout | null = null;
 
   initialize(viewport: Viewport) {
     this.viewport = viewport;
-    this.datagraph = new DataGraph();
-    this.viewgraph = new ViewGraph(this.datagraph, this.viewport);
+    loadFromLocalStorage(this);
   }
 
   load(datagraph: DataGraph) {
     this.datagraph = datagraph;
     this.viewport.clear();
     this.viewgraph = new ViewGraph(this.datagraph, this.viewport);
+    this.setupAutoSave();
+    saveToLocalStorage(this);
   }
 
   getViewport() {
@@ -58,6 +60,28 @@ export class GlobalContext {
   getDataGraph() {
     return this.datagraph;
   }
+
+  private setupAutoSave() {
+    this.clearAutoSave();
+
+    this.datagraph.subscribeChanges(() => {
+      if (this.saveIntervalId) {
+        clearInterval(this.saveIntervalId);
+      }
+      this.saveIntervalId = setInterval(() => {
+        saveToLocalStorage(this);
+        clearInterval(this.saveIntervalId);
+      }, 100);
+    });
+  }
+
+  private clearAutoSave() {
+    // Limpia el intervalo y evita duplicados
+    if (this.saveIntervalId) {
+      clearInterval(this.saveIntervalId);
+      this.saveIntervalId = null;
+    }
+  }
 }
 
 // > graphics.ts
@@ -387,18 +411,5 @@ export class RightBar {
   // TODO: load from local storage directly, without first generating a context
   loadFromLocalStorage(ctx);
 
-  let saveIntervalId: NodeJS.Timeout | null = null;
-
-  ctx.getDataGraph().subscribeChanges(() => {
-    // Wait a bit after the last change to save
-    if (saveIntervalId) {
-      clearInterval(saveIntervalId);
-    }
-    saveIntervalId = setInterval(() => {
-      saveToLocalStorage(ctx);
-      clearInterval(saveIntervalId);
-    }, 100);
-  });
-
   console.log("initialized!");
 })();
diff --git a/src/style.css b/src/style.css
index 1cc1e545..fe58f3a1 100644
--- a/src/style.css
+++ b/src/style.css
@@ -118,7 +118,8 @@ canvas {
 
 /* Hover effect for save and load buttons */
 .save-button:hover,
-.load-button:hover {
+.load-button:hover,
+.new-button:hover {
   background-color: #0056b3; /* Darker background on hover */
 }