<!-- Header bar -->
<div class="header">
    <h1 class="appname">Inventory Manager</h1>
    <div class="buttons">
        <form action="/create" method="get">
            <button type="submit">Add New Item</button>
        </form>
        <form action="/import_from_csv" method="get">
            <button type="submit">Import from CSV</button>
        </form>
        <form action="/edit_using_csv" method="get">
            <button type="submit">Edit using CSV</button>
        </form>
        <form action="/export_csv" method="POST">
            <button type="submit">Export Data</button>
        </form>
        <form action="/logout" method="get">
            <button type="submit">Logout</button>
        </form>
    </div>
</div>