add back scanning animation

frontend/src/index.css

@@ -1,7 +1,34 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
- 
+
+/* Image Scanning animation */
+.scanning::after {
+  content: "";
+  position: absolute;
+  top: 0px;
+  left: 0px;
+  width: 5px;
+  height: 100%;
+  background-image: linear-gradient(
+    to right,
+    rgba(19, 161, 14, 0.2),
+    /* Darker matrix green with full transparency */ rgba(19, 161, 14, 0.8)
+      /* The same green with 80% opacity */
+  );
+  animation: scanning 3s ease-in-out infinite;
+}
+
+@keyframes scanning {
+  0%,
+  100% {
+    transform: translateX(0px);
+  }
+  50% {
+    transform: translateX(340px);
+  }
+}
+
 @layer base {
   :root {
     --background: 0 0% 100%;
@@ -9,63 +36,63 @@
 
     --card: 0 0% 100%;
     --card-foreground: 222.2 84% 4.9%;
- 
+
     --popover: 0 0% 100%;
     --popover-foreground: 222.2 84% 4.9%;
- 
+
     --primary: 222.2 47.4% 11.2%;
     --primary-foreground: 210 40% 98%;
- 
+
     --secondary: 210 40% 96.1%;
     --secondary-foreground: 222.2 47.4% 11.2%;
- 
+
     --muted: 210 40% 96.1%;
     --muted-foreground: 215.4 16.3% 46.9%;
- 
+
     --accent: 210 40% 96.1%;
     --accent-foreground: 222.2 47.4% 11.2%;
- 
+
     --destructive: 0 84.2% 60.2%;
     --destructive-foreground: 210 40% 98%;
 
     --border: 214.3 31.8% 91.4%;
     --input: 214.3 31.8% 91.4%;
     --ring: 222.2 84% 4.9%;
- 
+
     --radius: 0.5rem;
   }
- 
+
   .dark {
     --background: 222.2 84% 4.9%;
     --foreground: 210 40% 98%;
- 
+
     --card: 222.2 84% 4.9%;
     --card-foreground: 210 40% 98%;
- 
+
     --popover: 222.2 84% 4.9%;
     --popover-foreground: 210 40% 98%;
- 
+
     --primary: 210 40% 98%;
     --primary-foreground: 222.2 47.4% 11.2%;
- 
+
     --secondary: 217.2 32.6% 17.5%;
     --secondary-foreground: 210 40% 98%;
- 
+
     --muted: 217.2 32.6% 17.5%;
     --muted-foreground: 215 20.2% 65.1%;
- 
+
     --accent: 217.2 32.6% 17.5%;
     --accent-foreground: 210 40% 98%;
- 
+
     --destructive: 0 62.8% 30.6%;
     --destructive-foreground: 210 40% 98%;
- 
+
     --border: 217.2 32.6% 17.5%;
     --input: 217.2 32.6% 17.5%;
     --ring: 212.7 26.8% 83.9%;
   }
 }
- 
+
 @layer base {
   * {
     @apply border-border;
@@ -73,4 +100,4 @@
   body {
     @apply bg-background text-foreground;
   }
-}
+}