:root{color-scheme:light dark;font-family:Inter,system-ui,sans-serif}body{margin:0;min-height:100vh;background:#0f172a;color:#e2e8f0}.app-shell{display:grid;min-height:100vh;place-items:center;padding:2rem}.card{max-width:48rem;width:100%;background:#0f172ae0;border:1px solid rgba(148,163,184,.25);border-radius:1rem;padding:2rem}