.unknown-customer{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;font-family:Roboto,Segoe UI,system-ui,-apple-system,Arial,sans-serif}.unknown-customer__card{max-width:460px;text-align:center;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px;box-shadow:var(--shadow);color:var(--text)}.unknown-customer__card h1{margin:0 0 10px;font-size:1.3rem;color:var(--heading)}.unknown-customer__card p{margin:0 0 18px;color:var(--muted)}.unknown-customer__card a{color:var(--link);font-weight:600}