diff --git a/components/process-flow/ProcessFlowCanvas.vue b/components/process-flow/ProcessFlowCanvas.vue
index 710ccfa..d3867ef 100644
--- a/components/process-flow/ProcessFlowCanvas.vue
+++ b/components/process-flow/ProcessFlowCanvas.vue
@@ -1224,7 +1224,6 @@ function fromObject(flowObject) {
 /* Node styles from ProcessFlowNodes.js are imported globally in a plugin */
 .process-flow-container {
   width: 100%;
-  height: calc(100vh - 190px); /* Adjust based on new header/footer height */
   min-height: 500px;
   border: 1px solid #e2e8f0;
   border-radius: 0;
diff --git a/pages/process-builder/index.vue b/pages/process-builder/index.vue
index f3f2e7c..25ff56a 100644
--- a/pages/process-builder/index.vue
+++ b/pages/process-builder/index.vue
@@ -121,11 +121,8 @@ const checkScreenSize = () => {
       showRightPanel.value = true;
     }
   } else {
-    // Desktop: show both panels by default
-    if (!showLeftPanel.value && !showRightPanel.value) {
-      showLeftPanel.value = true;
-      showRightPanel.value = true;
-    }
+    // Desktop: show both panels by default only on first load
+    // Don't override user preferences on screen size changes
   }
 };
 
@@ -148,6 +145,13 @@ const toggleRightPanel = () => {
   }
 };
 
+// Toggle both panels at once
+const toggleBothPanels = () => {
+  const bothVisible = showLeftPanel.value && showRightPanel.value;
+  showLeftPanel.value = !bothVisible;
+  showRightPanel.value = !bothVisible;
+};
+
 // Close panels when clicking on canvas (mobile only)
 const onPaneClickMobile = () => {
   selectedNode.value = null;
@@ -162,6 +166,32 @@ const onPaneClickMobile = () => {
   }
 };
 
+// Keyboard shortcuts for panel toggles
+const handleKeyboardShortcuts = (event) => {
+  // Only handle shortcuts when no input is focused
+  if (event.target.tagName === 'INPUT' || event.target.tagName === 'TEXTAREA') {
+    return;
+  }
+  
+  // Ctrl/Cmd + 1: Toggle left panel
+  if ((event.ctrlKey || event.metaKey) && event.key === '1') {
+    event.preventDefault();
+    toggleLeftPanel();
+  }
+  
+  // Ctrl/Cmd + 2: Toggle right panel
+  if ((event.ctrlKey || event.metaKey) && event.key === '2') {
+    event.preventDefault();
+    toggleRightPanel();
+  }
+  
+  // Ctrl/Cmd + 3: Toggle both panels
+  if ((event.ctrlKey || event.metaKey) && event.key === '3') {
+    event.preventDefault();
+    toggleBothPanels();
+  }
+};
+
 // Handle node highlighting from variable usage
 const handleNodeHighlight = (event) => {
 
@@ -1111,6 +1141,9 @@ onMounted(() => {
   // Add node highlight listener for variable navigation
   window.addEventListener('highlightNode', handleNodeHighlight);
   
+  // Add keyboard shortcuts listener
+  window.addEventListener('keydown', handleKeyboardShortcuts);
+  
   // Initial screen size check
   checkScreenSize();
 });
@@ -1128,6 +1161,7 @@ onUnmounted(() => {
   document.removeEventListener('click', handleClickOutside);
   window.removeEventListener('resize', checkScreenSize);
   window.removeEventListener('highlightNode', handleNodeHighlight);
+  window.removeEventListener('keydown', handleKeyboardShortcuts);
   
   // Clear highlight timeout if it exists
   if (highlightTimeout.value) {
@@ -2107,31 +2141,57 @@ const sendToBack = () => {
             <p class="text-sm text-gray-500">Create business processes with drag and drop</p>
           </div>
         </div>
-        <!-- Mobile panel toggles -->
-        <div v-if="hasCurrentProcess && (isMobile || isTablet)" class="flex items-center gap-1 ml-2">
+      </div>
+
+      <!-- Middle section - Process name and Panel Controls -->
+      <div class="flex-1 flex justify-center items-center mx-2 md:mx-4 gap-4">
+        <!-- Panel toggle controls - Always visible when process is loaded -->
+        <div v-if="hasCurrentProcess" class="flex items-center gap-1">
           <RsButton 
             @click="toggleLeftPanel" 
             variant="tertiary" 
             size="sm"
-            :class="{ 'bg-gray-100': showLeftPanel }"
-            class="p-1"
+            :class="{ 
+              'bg-blue-100 text-blue-600 border-blue-200': showLeftPanel, 
+              'bg-gray-100 text-gray-600 border-gray-200': !showLeftPanel 
+            }"
+            class="p-2 border transition-all duration-200 hover:scale-105 relative"
+            title="Toggle Components Panel (Ctrl+1)"
           >
             <Icon name="material-symbols:widgets" class="w-4 h-4" />
+            <span v-if="!showLeftPanel" class="absolute -top-1 -right-1 w-2 h-2 bg-orange-400 rounded-full"></span>
           </RsButton>
           <RsButton 
             @click="toggleRightPanel" 
             variant="tertiary" 
             size="sm"
-            :class="{ 'bg-gray-100': showRightPanel }"
-            class="p-1"
+            :class="{ 
+              'bg-blue-100 text-blue-600 border-blue-200': showRightPanel, 
+              'bg-gray-100 text-gray-600 border-gray-200': !showRightPanel 
+            }"
+            class="p-2 border transition-all duration-200 hover:scale-105 relative"
+            title="Toggle Properties Panel (Ctrl+2)"
           >
             <Icon name="material-symbols:tune" class="w-4 h-4" />
+            <span v-if="!showRightPanel" class="absolute -top-1 -right-1 w-2 h-2 bg-orange-400 rounded-full"></span>
+          </RsButton>
+          <RsButton 
+            @click="toggleBothPanels" 
+            variant="tertiary" 
+            size="sm"
+            :class="{ 
+              'bg-blue-100 text-blue-600 border-blue-200': showLeftPanel && showRightPanel, 
+              'bg-gray-100 text-gray-600 border-gray-200': !(showLeftPanel && showRightPanel) 
+            }"
+            class="p-2 hidden md:block border transition-all duration-200 hover:scale-105 relative"
+            title="Toggle Both Panels (Ctrl+3)"
+          >
+            <Icon name="material-symbols:view-sidebar" class="w-4 h-4" />
+            <span v-if="!showLeftPanel || !showRightPanel" class="absolute -top-1 -right-1 w-2 h-2 bg-orange-400 rounded-full"></span>
           </RsButton>
         </div>
-      </div>
 
-      <!-- Middle section - Process name -->
-      <div class="flex-1 flex justify-center items-center mx-2 md:mx-4">
+        <!-- Process name input -->
         <FormKit
           v-if="hasCurrentProcess"
           v-model="processStore.currentProcess.name"
@@ -2209,14 +2269,14 @@ const sendToBack = () => {
     </header>
 
     <!-- Main Content Area -->
-    <div class="flex-1 flex overflow-hidden relative" v-if="hasCurrentProcess">
+    <div class="flex-1 flex overflow-hidden relative h-full" v-if="hasCurrentProcess">
       <!-- Left Panel - Components -->
       <div 
         v-show="showLeftPanel"
         :class="{
           'absolute inset-y-0 left-0 z-20 bg-white shadow-lg': isMobile,
           'absolute inset-y-0 left-0 z-10 bg-white shadow-md': isTablet,
-          'relative w-64': !isMobile && !isTablet,
+          'relative w-60': !isMobile && !isTablet,
           'w-72': isMobile,
           'w-80': isTablet
         }"
@@ -2224,11 +2284,11 @@ const sendToBack = () => {
       >
         <div class="bg-gray-100 p-3 flex items-center justify-between border-b border-gray-200">
           <h2 class="text-sm font-medium text-gray-700">Process Components</h2>
-          <!-- Close button for mobile/tablet -->
+          <!-- Close button for all devices -->
           <button 
-            v-if="isMobile || isTablet"
             @click="showLeftPanel = false"
-            class="p-1 hover:bg-gray-200 rounded"
+            class="p-1 hover:bg-gray-200 rounded transition-colors"
+            title="Close Panel (Ctrl+1)"
           >
             <Icon name="material-symbols:close" class="w-4 h-4 text-gray-500" />
           </button>
@@ -2239,7 +2299,16 @@ const sendToBack = () => {
       </div>
 
       <!-- Center Panel - Process Canvas -->
-      <div class="flex-1 relative">
+      <div class="flex-1 relative h-full" :class="{ 'bg-gray-50': !showLeftPanel && !showRightPanel }">
+        <!-- Canvas State Indicator -->
+        <div v-if="!showLeftPanel && !showRightPanel" class="absolute top-4 left-1/2 transform -translate-x-1/2 z-10 bg-white px-4 py-2 rounded-lg shadow-md border border-gray-200">
+          <div class="flex items-center gap-2 text-sm text-gray-600">
+            <Icon name="material-symbols:fullscreen" class="w-4 h-4 text-green-600" />
+            <span>Full Canvas Mode</span>
+            <span class="text-xs text-gray-400">Press Ctrl+3 to restore panels</span>
+          </div>
+        </div>
+        
         <ProcessFlowCanvas 
           ref="processFlowCanvas"
           :initial-nodes="canvasNodes"
@@ -2250,6 +2319,7 @@ const sendToBack = () => {
           @pane-click="onPaneClick" 
           @nodes-change="onNodesChange"
           @edges-change="onEdgesChange"
+          class="w-full h-full"
         />
         
         <!-- Mobile floating action buttons -->
@@ -2279,7 +2349,7 @@ const sendToBack = () => {
         :class="{
           'absolute inset-y-0 right-0 z-20 bg-white shadow-lg': isMobile,
           'absolute inset-y-0 right-0 z-10 bg-white shadow-md': isTablet,
-          'relative w-72': !isMobile && !isTablet,
+          'relative w-64': !isMobile && !isTablet,
           'w-72': isMobile,
           'w-80': isTablet
         }"
@@ -2287,11 +2357,11 @@ const sendToBack = () => {
       >
         <div class="bg-gray-100 p-3 flex items-center justify-between border-b border-gray-200">
           <h2 class="text-sm font-medium text-gray-700">Properties</h2>
-          <!-- Close button for mobile/tablet -->
+          <!-- Close button for all devices -->
           <button 
-            v-if="isMobile || isTablet"
             @click="showRightPanel = false"
-            class="p-1 hover:bg-gray-200 rounded"
+            class="p-1 hover:bg-gray-200 rounded transition-colors"
+            title="Close Panel (Ctrl+2)"
           >
             <Icon name="material-symbols:close" class="w-4 h-4 text-gray-500" />
           </button>
@@ -3825,4 +3895,27 @@ const sendToBack = () => {
 .modern-icon-btn[variant~='danger-text']:hover {
   background: #fee2e2;
 }
+
+/* Ensure full canvas coverage */
+.process-builder {
+  height: 100vh;
+  overflow: hidden;
+}
+
+/* Override Vue Flow container to fill full height */
+:deep(.vue-flow) {
+  width: 100% !important;
+  height: 100% !important;
+  min-height: 100% !important;
+}
+
+:deep(.vue-flow__pane) {
+  width: 100% !important;
+  height: 100% !important;
+}
+
+:deep(.vue-flow__renderer) {
+  width: 100% !important;
+  height: 100% !important;
+}
 </style> 
\ No newline at end of file