.impersonation-banner{display:flex;flex-direction:column;align-items:stretch;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--warning);color:var(--bg-primary);font-size:.875rem;font-weight:600;border-bottom:1px solid rgba(0,0,0,.15)}.impersonation-banner__message{line-height:1.4}.impersonation-banner__stop{width:100%}@media(min-width:640px){.impersonation-banner{flex-direction:row;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.impersonation-banner__stop{width:auto;flex-shrink:0}}