feat: add canvas-confetti integration and AuroraButton component; enhance UI with animations and improve button interactions

src/styles.css

@@ -118,7 +118,31 @@
   * {
     @apply border-border outline-ring/50;
   }
+
   body {
     @apply bg-background text-foreground;
   }
+}
+
+@keyframes aurora {
+  0% {
+    background-position: 0% 50%;
+  }
+
+  50% {
+    background-position: 100% 50%;
+  }
+
+  100% {
+    background-position: 0% 50%;
+  }
+}
+
+.animate-aurora {
+  background: radial-gradient(at 20% 30%, rgba(59, 130, 246, .5), transparent 50%),
+    radial-gradient(at 80% 70%, rgba(236, 72, 153, .5), transparent 50%),
+    radial-gradient(at 50% 100%, rgba(34, 197, 94, .5), transparent 50%);
+  background-size: 200% 200%;
+  animation: aurora 6s ease infinite;
+  filter: blur(12px) opacity(0.8);
 }