.auth-shell{grid-template-columns:1.1fr 1fr;min-height:100vh;display:grid}.auth-art{background:linear-gradient(180deg, var(--sky-day), var(--surface));border-right:1.5px solid var(--border);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}@media (max-width:859px){.auth-shell{grid-template-columns:1fr}.auth-art{display:none}}@keyframes screenIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes obIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}