*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}.app-shell{color:#0f172a;background:radial-gradient(circle at 15% 15%,#fafafa 0%,#efefef 40%,#e5e5e5 100%);place-content:center;width:100%;height:100%;padding:1rem;font-family:system-ui,-apple-system,sans-serif;display:grid}.message-card{text-align:center;background:linear-gradient(#fff 0%,#f5f5f5 100%);border:1px solid #d4d4d4;border-radius:.95rem;flex-direction:column;align-items:center;gap:.75rem;width:min(480px,100vw - 2rem);padding:2rem 1.5rem;display:flex;box-shadow:0 14px 32px #0000001f}.message-card h1{color:#0f172a;margin:0;font-size:1.25rem}.message-card p{color:#4b5563;margin:0;font-size:.95rem;line-height:1.5}.error-card{background:linear-gradient(#fff5f5 0%,#fef2f2 100%);border-color:#fca5a5}.error-card h1{color:#991b1b}.error-card p{color:#7f1d1d}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid #d4d4d4;border-top-color:#171717;border-radius:50%;width:2rem;height:2rem;animation:.7s linear infinite spin}