html,body{height:100%;margin:0;background:#111827;color:#e5e7eb;font:14px system-ui,sans-serif}body{display:flex;flex-direction:column}header{display:flex;align-items:center;gap:24px;padding:14px 20px;border-bottom:1px solid #374151}#status{flex:1;color:#9ca3af}button{padding:7px 12px;cursor:pointer}main{flex:1;min-height:0;padding:12px}.xterm{height:100%}