Add .datastore-grid align-items:stretch and .datastore-right-stack flex column with gap:12px/min-height:100%. Set .datastore-right-stack .raid-panel flex:1/margin:0 and #ioPressurePanel flex:0 0 auto. Remove margin:0 0 12px from #ioPressurePanel base rule. Add DOMContentLoaded script to create datastore-right-stack div, replaceChild raid panel with stack in grid, and append pressure/