.auth-card{background:var(--brand-white);border:1px solid var(--border-subtle);width:100%;max-width:480px;box-shadow:var(--shadow-card);border-radius:1.25rem;padding:2.5rem}@media (max-width:768px){.auth-card{padding:1.75rem 1.5rem}}@media (max-width:640px){.auth-card{padding:1.5rem 1.25rem}}