Add cancel shutdown feature and enhance system control access methods in dashboard

wwwroot/css/dashboard.css

@@ -33,6 +33,49 @@
     }
 }
 
+/* System Control Button Animations */
+@keyframes pulse {
+    0% {
+        transform: scale(1);
+        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7);
+    }
+    50% {
+        transform: scale(1.05);
+        box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
+    }
+    100% {
+        transform: scale(1);
+        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0);
+    }
+}
+
+/* Make title elements more touch-friendly on mobile */
+@media (max-width: 768px) {
+    nav h1 {
+        padding: 8px;
+        border-radius: 4px;
+        cursor: pointer;
+        user-select: none;
+        -webkit-user-select: none;
+        -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
+    }
+    
+    nav h1:active {
+        background-color: rgba(255, 255, 255, 0.1);
+    }
+    
+    nav .fas.fa-chart-line {
+        padding: 8px;
+        border-radius: 50%;
+        cursor: pointer;
+        -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
+    }
+    
+    nav .fas.fa-chart-line:active {
+        background-color: rgba(255, 255, 255, 0.1);
+    }
+}
+
 /* Custom progress bar animations */
 .progress-bar {
     transition: width 0.5s ease-in-out;