body{margin:0;background:#111827;color:#e5e7eb;font-family:Consolas,monospace}header{padding:16px;background:#0f172a;border-bottom:1px solid #334155}main{display:flex;height:calc(100vh - 70px)}aside{width:220px;padding:16px;background:#1f2937}button{display:block;width:100%;margin:6px 0;padding:8px}#console{flex:1;padding:16px}#output{height:80%;overflow:auto;white-space:pre-wrap}.prompt{display:flex}input{background:transparent;border:none;color:#fff;outline:none;width:90%}