feat(auth): update layout and styling for login and registration pages

components/auth/login-form.tsx

@@ -38,7 +38,7 @@ export function LoginForm() {
   }
 
   return (
-    <form className="space-y-4" onSubmit={onSubmit}>
+    <form className="space-y-5" onSubmit={onSubmit}>
       <label className="block space-y-2 text-sm">
         <span className="text-muted">Email</span>
         <Input
@@ -63,9 +63,11 @@ export function LoginForm() {
 
       {error ? <p className="text-sm text-red-300">{error}</p> : null}
 
-      <Button type="submit" variant="primary" className="w-full" disabled={pending}>
-        {pending ? "Signing in..." : "Sign in"}
-      </Button>
+      <div style={{ marginTop: 26 }}>
+        <Button type="submit" variant="primary" className="dashboard-action min-h-11 w-full text-base" disabled={pending}>
+          {pending ? "Signing in..." : "Sign in"}
+        </Button>
+      </div>
     </form>
   );
 }