diff --git a/script.js b/script.js
new file mode 100644
index 00000000..23f0138c
--- /dev/null
+++ b/script.js
@@ -0,0 +1,18 @@
+const loginBtn = document.getElementById("login-btn");
+const signupBtn = document.getElementById("signup-btn");
+const loginForm = document.getElementById("login-form");
+const signupForm = document.getElementById("signup-form");
+
+loginBtn.addEventListener("click", () => {
+  loginForm.classList.add("active");
+  signupForm.classList.remove("active");
+  loginBtn.classList.add("active");
+  signupBtn.classList.remove("active");
+});
+
+signupBtn.addEventListener("click", () => {
+  signupForm.classList.add("active");
+  loginForm.classList.remove("active");
+  signupBtn.classList.add("active");
+  loginBtn.classList.remove("active");
+});