Tailwind Modal | Display the login alert modal for purchasing in the logged-out state

pricing.php

<a id="ultimate-buy-now" class="group relative flex items-center justify-center px-5 h-10 text-white bg-gradient-to-br from-cyanGreen-800 to-cyan-800 rounded-full transition-all duration-300" href="<?php echo is_user_logged_in() ? '/checkout?plan=ultimate&billing_cycle=monthly' : '#'; ?>">
  <span>Buy Now</span>
</a>

<a id="pro-buy-now" class="group relative flex items-center justify-center px-5 h-10 text-white bg-gradient-to-br from-cyanGreen-800 to-cyan-800 rounded-full transition-all duration-300" href="<?php echo is_user_logged_in() ? '/checkout?plan=pro&billing_cycle=monthly' : '#'; ?>">
  <span>Buy Now</span>
</a>

<!-- Login Modal -->
<div id="login-modal" class="fixed inset-0 z-50 flex items-center justify-center bg-black bg-opacity-50 hidden">
  <div class="font-sans antialiased fixed bottom-0 inset-x-0 px-4 pb-4 sm:inset-0 sm:flex sm:items-center sm:justify-center">
    <div class="fixed inset-0 transition-opacity">
      <div class="absolute inset-0 bg-gray-500 opacity-75"></div>
    </div>

    <div class="bg-white rounded-lg overflow-hidden shadow-xl transform transition-all sm:max-w-lg sm:w-full">
      <!-- Close Icon -->
      <button id="close-modal" class="absolute top-0 right-0 mt-2 mr-2 text-gray-500 hover:text-gray-700">
        <svg class="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
        </svg>
      </button>

      <div class="bg-white px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
        <div class="sm:flex sm:items-start">
          <div class="mx-auto flex-shrink-0 flex items-center justify-center h-12 w-12 rounded-full bg-red-100 sm:mx-0 sm:h-10 sm:w-10">
            <svg class="h-6 w-6 text-red-600" stroke="currentColor" fill="none" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" />
            </svg>
          </div>
          <div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
            <h3 class="text-lg leading-6 font-medium text-gray-900">
              Please Log In to Continue
            </h3>
            <div class="mt-2">
              <p class="text-sm leading-5 text-gray-500">
                You need to log in to purchase a subscription plan. Please sign in to your account or create a new account to continue.
              </p>
            </div>
          </div>
        </div>
      </div>
      <div class="bg-gray-50 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
        <span class="flex w-full rounded-md shadow-sm sm:ml-3 sm:w-auto">
          <button type="button" class="inline-flex justify-center w-full rounded-md border border-transparent px-4 py-2 bg-gradient-to-br from-cyanGreen-800 to-cyan-800 text-base leading-6 font-medium text-white hover:to-green-900 focus:outline-none border-green-900 transition ease-in-out duration-150 sm:text-sm sm:leading-5">
            Sign Up
          </button>
        </span>
        <span class="mt-3 flex w-full rounded-md shadow-sm sm:mt-0 sm:w-auto">
          <button type="button" class="inline-flex justify-center w-full rounded-md border border-gray-300 px-4 py-2 bg-white text-base leading-6 font-medium text-gray-700 shadow-sm hover:text-gray-500 focus:outline-none focus:border-green-900 focus:shadow-outline transition ease-in-out duration-150 sm:text-sm sm:leading-5">
            Sign In
          </button>
        </span>
      </div>
    </div>
  </div>
</div>

<script>
  var isUserLoggedIn = <?php echo $login_status; ?>;
</script>

script.js

$(document).ready(function () {
// Function to show the modal with animation
  function showModal() {
    $('#login-modal').fadeIn(300); // Fade in over 300ms
  }

  // Function to hide the modal with animation
  function hideModal() {
    $('#login-modal').fadeOut(300); // Fade out over 300ms
  }

  $(document).ready(function() {
    $('#pro-buy-now, #ultimate-buy-now').click(function(event) {
      if (!isUserLoggedIn) {
        event.preventDefault(); // Prevent the default action of the anchor tag
        showModal(); // Show the modal with animation
      }
    });

    // Hide the modal when clicking outside of it
    $(document).click(function(event) {
      if (!$(event.target).closest('#login-modal, #pro-buy-now, #ultimate-buy-now').length) {
        hideModal(); // Hide the modal with animation
      }
    });

    // Prevent closing the modal when clicking inside the modal
    $('#login-modal').click(function(event) {
      event.stopPropagation();
    });

    // Hide the modal when clicking the close button
    $('#close-modal').click(function() {
      hideModal(); // Hide the modal with animation
    });
  });
});