.app-root{min-height:100vh;margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#0f172a;background:radial-gradient(circle at top left,#e0f2fe,#f9fafb 40%,#eef2ff)}.app-header{padding:2.5rem 1.5rem 1rem;text-align:center}.app-header h1{font-size:2.2rem;margin-bottom:.5rem}.app-header p{margin:0;color:#475569}.app-main{display:flex;justify-content:center;padding:1rem 1.5rem 3rem}.card{max-width:640px;width:100%;background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:2rem 2.25rem;border-radius:1.25rem;box-shadow:0 22px 45px #0f172a1f;border:1px solid rgba(148,163,184,.3)}.card h2{margin-top:0;margin-bottom:.75rem;font-size:1.5rem}.card p{margin:0;line-height:1.6;color:#64748b}