<script>
  let openTab = 1;

  function toggleTabs(tabNumber) {
    openTab = tabNumber;
  }
</script>

<div class="flex flex-col items-center justify-center h-screen">
  <div class="flex">
    <div
      class="px-4 py-2 cursor-pointer {openTab === 1
        ? 'bg-blue-600 text-white'
        : 'bg-gray-200'}"
      on:click={() => toggleTabs(1)}
    >
      Tab 1
    </div>
    <div
      class="px-4 py-2 cursor-pointer {openTab === 2
        ? 'bg-blue-600 text-white'
        : 'bg-gray-200'}"
      on:click={() => toggleTabs(2)}
    >
      Tab 2
    </div>
    <div
      class="px-4 py-2 cursor-pointer {openTab === 3
        ? 'bg-blue-600 text-white'
        : 'bg-gray-200'}"
      on:click={() => toggleTabs(3)}
    >
      Tab 3
    </div>
  </div>
  {#if openTab === 1}
    <div>Content for Tab 1</div>
  {:else if openTab === 2}
    <div>Content for Tab 2</div>
  {:else}
    <div>Content for Tab 3</div>
  {/if}
</div>

<script>
  let tabs = [
    { title: "Tab 1", content: "Content for Tab 1" },
    { title: "Tab 2", content: "Content for Tab 2" },
    { title: "Tab 3", content: "Content for Tab 3" },
  ];

  let activeTab = tabs[0].title;

  function setActiveTab(tabTitle) {
    activeTab = tabTitle;
  }
</script>

<style>
  .active {
    background-color: blue;
    color: white;
  }
</style>

<div class="flex">
  {#each tabs as tab (tab.title)}
    <div 
      class="px-4 py-2 cursor-pointer {activeTab === tab.title ? 'active' : 'bg-gray-200'}" 
      on:click="{() => setActiveTab(tab.title)}"
    >
      {tab.title}
    </div>
  {/each}
</div>

{#each tabs as tab (tab.title)}
  {#if activeTab === tab.title}
    <div>{tab.content}</div>
  {/if}
{/each}