Made login / register UI. Started implementing validation

frontend/src/components/ui/card.tsx

@@ -0,0 +1,59 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Card({ className, ...props }: React.ComponentProps<"div">) {
+    return (
+        <div
+            data-slot="card"
+            className={cn(
+                "bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
+                className
+            )}
+            {...props}
+        />
+    );
+}
+
+function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
+    return (
+        <div
+            data-slot="card-header"
+            className={cn(
+                "@container/card-header grid auto-rows-min grid-rows-[auto_auto] items-start gap-1.5 px-6 has-data-[slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-6",
+                className
+            )}
+            {...props}
+        />
+    );
+}
+
+function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
+    return <div data-slot="card-title" className={cn("leading-none font-semibold", className)} {...props} />;
+}
+
+function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
+    return <div data-slot="card-description" className={cn("text-muted-foreground text-sm", className)} {...props} />;
+}
+
+function CardAction({ className, ...props }: React.ComponentProps<"div">) {
+    return (
+        <div
+            data-slot="card-action"
+            className={cn("col-start-2 row-span-2 row-start-1 self-start justify-self-end", className)}
+            {...props}
+        />
+    );
+}
+
+function CardContent({ className, ...props }: React.ComponentProps<"div">) {
+    return <div data-slot="card-content" className={cn("px-6", className)} {...props} />;
+}
+
+function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
+    return (
+        <div data-slot="card-footer" className={cn("flex items-center px-6 [.border-t]:pt-6", className)} {...props} />
+    );
+}
+
+export { Card, CardHeader, CardFooter, CardTitle, CardAction, CardDescription, CardContent };

frontend/src/components/ui/input.tsx

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+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+function Input({ className, type, ...props }: React.ComponentProps<"input">) {
+    return (
+        <input
+            type={type}
+            data-slot="input"
+            className={cn(
+                "file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input flex h-9 w-full min-w-0 rounded-md border bg-transparent px-3 py-1 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+                "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+                "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+                className
+            )}
+            {...props}
+        />
+    );
+}
+
+export { Input };