.text-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.action-grid{display:grid;grid-template-columns:repeat(3,1fr)}.action-grid button{width:100%}.result-area{width:100%;box-sizing:border-box;min-height:260px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.6}@media(max-width:900px){.text-layout{grid-template-columns:1fr}.action-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.action-grid{grid-template-columns:1fr}}