@media(max-width:900px){.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.sidebar-overlay.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:25}.main-content{margin-left:0}.mobile-header{display:flex}.app-main{padding:18px}.row{align-items:flex-start;flex-direction:column}.toast{left:18px;right:18px}}

@media (max-width:768px){.floating-logout{display:none}.access-card{padding:24px;border-radius:24px}.access-options{align-items:flex-start}.grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}}