html,body{color:#eef2ff;background:#09101c;min-height:100%;margin:0;font-family:Segoe UI,sans-serif}body{padding:24px}.shell{gap:20px;max-width:1120px;margin:0 auto;display:grid}.panel{background:#0f172ad1;border:1px solid #94a3b833;border-radius:20px;padding:20px}pre{background:#020617eb;border-radius:16px;padding:16px;overflow:auto}