:root{--bg: #0f1724;--fg: #e6eef8;--accent: #7dd3fc}html,body,#root{height:100%;margin:0;font-family:Inter,Roboto,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--fg)}.app{display:flex;align-items:center;justify-content:center;height:100%}.app-header{text-align:center}code{background:#ffffff0a;padding:.15rem .4rem;border-radius:4px}