function ax = plotCryoData(tbl, tStart, tEnd)
% plotCryoData Plot cryo cell data in 3 stacked panels with shared datetime axis.
%
%   [ax] = plotCryoData(tbl, tStart, tEnd)
%   Returns struct with handles to the 3 axes for easy limit modification.

    %--- Extract datetime column ---
    dt = tbl.datetime;
    
    %--- If start/stop provided, subset the table ---
    if nargin >= 3 && ~isempty(tStart) && ~isempty(tEnd)
        mask = dt >= tStart & dt <= tEnd;
        tbl = tbl(mask, :);
        dt  = dt(mask);
    end

    %--- Create tiled layout ---
    figure;
    tl = tiledlayout(4, 1);
    tl.TileSpacing = 'compact';
    tl.Padding     = 'compact';

    %--- Upper tile: pressure and temperature (spans 2 rows) ---
    ax.pressure_temp = nexttile([2 1]);
    yyaxis left;
    plot(dt, tbl.pressure_cell_hPa_, 'o', 'MarkerSize', 2, 'MarkerFaceColor', 'auto');
    ylabel('Pressure [hPa]');
    ylim padded;
    grid on;

    yyaxis right;
    plot(dt, tbl.temperature__C_, 'o', 'MarkerSize', 2, 'MarkerFaceColor', 'auto');
    ylabel('Temperature [°C]');
    ylim padded;

    title('Pressure and Temperature');
    set(gca, 'XTickLabel', []);

    %--- Middle tile: x, y, z with dual y-axes ---
    ax.xyz = nexttile;
    yyaxis left;
    plot(dt, tbl.y_mm_, 'o', 'MarkerSize', 2, 'MarkerFaceColor', 'auto', 'DisplayName', 'y'); hold on;
    ylabel('Y [mm]');
    ylim([10 15]);
    grid on;

    yyaxis right;
    plot(dt, tbl.x_mm_, 's', 'MarkerSize', 2, 'MarkerFaceColor', 'auto', 'DisplayName', 'x'); hold on;
    plot(dt, tbl.z_mm_, '^', 'MarkerSize', 2, 'MarkerFaceColor', 'auto', 'DisplayName', 'z');
    ylabel('X, Z [mm]');
    ylim([-2 2]);
    
    legend({'y', 'x', 'z'}, 'Location', 'best');
    set(gca, 'XTickLabel', []);

    %--- Lower tile: flowCryo ---
    ax.flow = nexttile;
    plot(dt, tbl.flowCryo_l_min_, 'o', 'MarkerSize', 2, 'MarkerFaceColor', 'auto');
    grid on;
    ylabel('Flow [L/min]');
    xlabel('Date & Time');
    title('Cryo Flow');

    %--- Link x-axes for all tiles ---
    linkaxes([ax.pressure_temp, ax.xyz, ax.flow], 'x');
    
    % Improve datetime formatting on x-axis
    ax.flow.XAxis.TickLabelFormat = 'dd-MMM HH:mm';
end