.shell-initializing{display:flex;justify-content:center;align-items:center;height:100vh;flex-direction:column;gap:12px;background:#f1f5f9;color:#2c3e50}.shell-initializing h2{margin:0;font-size:24px}.shell-initializing p{margin:0;color:#7f8c8d;font-size:14px}