basic-rails/app/views/layouts/_navbar.html.erb

<!-- Main navigation container -->
<nav
  class="flex-no-wrap relative flex w-full items-center justify-between bg-neutral-100 py-2 shadow-lg shadow-black/5 dark:bg-neutral-800 dark:shadow-black/10 lg:flex-wrap lg:justify-start lg:py-4"
  data-te-navbar-ref>
  <div class="flex w-full flex-wrap items-center justify-between px-3">
    <!-- Hamburger button for mobile view -->
    <button
      class="block border-0 bg-transparent px-2 text-neutral-500 hover:no-underline hover:shadow-none focus:no-underline focus:shadow-none focus:outline-none focus:ring-0 dark:text-neutral-200 lg:hidden"
      type="button"
      data-te-collapse-init
      data-te-target="#navbarSupportedContent1"
      aria-controls="navbarSupportedContent1"
      aria-expanded="false"
      aria-label="Toggle navigation">
      <!-- Hamburger icon -->
      <span class="[&>svg]:w-7">
        <svg
          xmlns="http://www.w3.org/2000/svg"
          viewBox="0 0 24 24"
          fill="currentColor"
          class="h-7 w-7">
          <path
            fill-rule="evenodd"
            d="M3 6.75A.75.75 0 013.75 6h16.5a.75.75 0 010 1.5H3.75A.75.75 0 013 6.75zM3 12a.75.75 0 01.75-.75h16.5a.75.75 0 010 1.5H3.75A.75.75 0 013 12zm0 5.25a.75.75 0 01.75-.75h16.5a.75.75 0 010 1.5H3.75a.75.75 0 01-.75-.75z"
            clip-rule="evenodd" />
        </svg>
      </span>
    </button>

    <!-- Collapsible navigation container -->
    <div
      class="!visible hidden flex-grow basis-[100%] items-center lg:!flex lg:basis-auto"
      id="navbarSupportedContent1"
      data-te-collapse-item>
      <!-- Logo -->
      <a
        class="pl-2 mb-4 mr-2 mt-3 flex items-center text-neutral-900 hover:text-neutral-900 focus:text-neutral-900 dark:text-neutral-200 dark:hover:text-neutral-400 dark:focus:text-neutral-400 lg:mb-0 lg:mt-0"
        href="/">
        <img
          src="https://www.tailwind-kit.com/icons/rocket.svg"
          style="height: 25px"
          alt=""
          loading="lazy" />
      </a>
      <!-- Left navigation links -->
      <ul
        class="list-style-none mr-auto flex flex-col pl-0 lg:flex-row"
        data-te-navbar-nav-ref>
        <li class="mb-4 lg:mb-0 lg:pr-2" data-te-nav-item-ref>
          <!-- Dashboard link -->
          <a
            class="text-neutral-500 hover:text-neutral-700 focus:text-neutral-700 disabled:text-black/30 dark:text-neutral-200 dark:hover:text-neutral-300 dark:focus:text-neutral-300 lg:px-2 [&.active]:text-black/90 dark:[&.active]:text-zinc-400"
            href="/"
            data-te-nav-link-ref
            >Home</a
          >
        </li>

        <li class="mb-4 lg:mb-0 lg:pr-2" data-te-nav-item-ref>
          <!-- Dashboard link -->
          <a
            class="text-neutral-500 hover:text-neutral-700 focus:text-neutral-700 disabled:text-black/30 dark:text-neutral-200 dark:hover:text-neutral-300 dark:focus:text-neutral-300 lg:px-2 [&.active]:text-black/90 dark:[&.active]:text-zinc-400"
            href="/main/about"
            data-te-nav-link-ref
            >About</a
          >
        </li>

      </ul>
    </div>

    <!-- Right elements -->
    <div class="relative flex items-center">
      <!-- Cart Icon -->
      <a
        class="mr-4 text-neutral-500 hover:text-neutral-700 focus:text-neutral-700 disabled:text-black/30 dark:text-neutral-200 dark:hover:text-neutral-300 dark:focus:text-neutral-300 [&.active]:text-black/90 dark:[&.active]:text-neutral-400"
        href="#">
        <span class="[&>svg]:w-5">
          <svg
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 24 24"
            fill="currentColor"
            class="h-5 w-5">
            <path
              d="M2.25 2.25a.75.75 0 000 1.5h1.386c.17 0 .318.114.362.278l2.558 9.592a3.752 3.752 0 00-2.806 3.63c0 .414.336.75.75.75h15.75a.75.75 0 000-1.5H5.378A2.25 2.25 0 017.5 15h11.218a.75.75 0 00.674-.421 60.358 60.358 0 002.96-7.228.75.75 0 00-.525-.965A60.864 60.864 0 005.68 4.509l-.232-.867A1.875 1.875 0 003.636 2.25H2.25zM3.75 20.25a1.5 1.5 0 113 0 1.5 1.5 0 01-3 0zM16.5 20.25a1.5 1.5 0 113 0 1.5 1.5 0 01-3 0z" />
          </svg>
        </span>
      </a>

      <!-- Container with two dropdown menus -->
      <div class="relative" data-te-dropdown-ref>
        <!-- First dropdown trigger -->
        <a
          class="hidden-arrow mr-4 flex items-center text-neutral-500 hover:text-neutral-700 focus:text-neutral-700 disabled:text-black/30 dark:text-neutral-200 dark:hover:text-neutral-300 dark:focus:text-neutral-300 [&.active]:text-black/90 dark:[&.active]:text-neutral-400"
          href="#"
          id="dropdownMenuButton1"
          role="button"
          data-te-dropdown-toggle-ref
          aria-expanded="false">
          <!-- Dropdown trigger icon -->
          <span class="[&>svg]:w-5">
            <svg
              xmlns="http://www.w3.org/2000/svg"
              viewBox="0 0 24 24"
              fill="currentColor"
              class="h-5 w-5">
              <path
                fill-rule="evenodd"
                d="M5.25 9a6.75 6.75 0 0113.5 0v.75c0 2.123.8 4.057 2.118 5.52a.75.75 0 01-.297 1.206c-1.544.57-3.16.99-4.831 1.243a3.75 3.75 0 11-7.48 0 24.585 24.585 0 01-4.831-1.244.75.75 0 01-.298-1.205A8.217 8.217 0 005.25 9.75V9zm4.502 8.9a2.25 2.25 0 104.496 0 25.057 25.057 0 01-4.496 0z"
                clip-rule="evenodd" />
            </svg>
          </span>
          <!-- Notification counter -->
          <span
            class="border-red-700 border-2 shadow-lg absolute -mt-2.5 ml-2 rounded-full bg-danger px-[0.45em] py-[0.2em] text-[0.6rem] leading-none bg-red-300 text-black"
            >
            2
            </span
          >
        </a>
        <!-- First dropdown menu -->
        <ul
          class="absolute left-auto right-0 z-[1000] float-left m-0 mt-1 hidden min-w-max list-none overflow-hidden rounded-lg border-none bg-white bg-clip-padding text-left text-base shadow-lg dark:bg-neutral-700 [&[data-te-dropdown-show]]:block"
          aria-labelledby="dropdownMenuButton1"
          data-te-dropdown-menu-ref>
          <!-- First dropdown menu items -->
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Action</a
            >
          </li>
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Another action</a
            >
          </li>
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Something else here</a
            >
          </li>
        </ul>
      </div>

      <!-- Second dropdown container -->
      <div class="relative" data-te-dropdown-ref>
        <!-- Second dropdown trigger -->
        <a
          class="hidden-arrow flex items-center whitespace-nowrap transition duration-150 ease-in-out motion-reduce:transition-none"
          href="#"
          id="dropdownMenuButton2"
          role="button"
          data-te-dropdown-toggle-ref
          aria-expanded="false">
          <!-- User avatar -->
          <img
            src="https://tecdn.b-cdn.net/img/new/avatars/2.jpg"
            class="rounded-full shadow-lg"
            style="height: 25px; width: 25px"
            alt=""
            loading="lazy" />
        </a>
        <!-- Second dropdown menu -->
        <ul
          class="absolute left-auto right-0 z-[1000] float-left m-0 mt-1 hidden min-w-max list-none overflow-hidden rounded-lg border-none bg-white bg-clip-padding text-left text-base shadow-lg dark:bg-neutral-700 [&[data-te-dropdown-show]]:block"
          aria-labelledby="dropdownMenuButton2"
          data-te-dropdown-menu-ref>
          <!-- Second dropdown menu items -->
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Action</a
            >
          </li>
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Another action</a
            >
          </li>
          <li>
            <a
              class="block w-full whitespace-nowrap bg-transparent px-4 py-2 text-sm font-normal text-neutral-700 hover:bg-neutral-100 active:text-neutral-800 active:no-underline disabled:pointer-events-none disabled:bg-transparent disabled:text-neutral-400 dark:text-neutral-200 dark:hover:bg-white/30"
              href="#"
              data-te-dropdown-item-ref
              >Something else here</a
            >
          </li>
        </ul>
      </div>
    </div>
  </div>
</nav>

<div class="m-5">
<% if current_user %>
  User <%= current_user['email'] %> logged in
   <%= button_to "Log out", destroy_user_session_path, method: :delete, class: 'btn-primary'  %>
<% else %>
  Not yet logged in!
  <%= button_to 'sign up', new_user_registration_path, class: 'btn-primary' %>
  <%= button_to 'sign in', new_user_session_path, class: 'btn-primary' %>
  <%end%>
</div>