@* Reusable keyset (cursor) pagination button bar — purely presentational.
   All cursor/navigation logic lives in the consuming page via callbacks. *@

<div class="d-flex align-items-center gap-2">
    <button class="btn btn-outline-secondary btn-sm"
            data-test="keyset-prev"
            disabled="@(!CanGoBack || Disabled)"
            @onclick="OnPrevious">Previous</button>
    <span data-test="keyset-summary">Page @PageNumber · @RowCount rows</span>
    <button class="btn btn-outline-secondary btn-sm"
            data-test="keyset-next"
            disabled="@(!HasNextPage || Disabled)"
            @onclick="OnNext">Next</button>
</div>

@code {
    [Parameter] public int PageNumber { get; set; } = 1;
    [Parameter] public int RowCount { get; set; }
    [Parameter] public bool CanGoBack { get; set; }
    [Parameter] public bool HasNextPage { get; set; }
    [Parameter] public bool Disabled { get; set; }
    [Parameter] public EventCallback OnPrevious { get; set; }
    [Parameter] public EventCallback OnNext { get; set; }
}