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(width<=900px){.app-shell{flex-direction:column}.sidebar{flex-basis:auto;width:100%;height:auto;position:relative}.sidebar-collapsed .sidebar{flex-basis:auto;width:100%}.sidebar-collapsed .sidebar-header{justify-content:flex-start;padding:10px}.sidebar-collapsed .logo-mark{display:block}.sidebar-collapsed .logo-text{display:flex}.sidebar-toggle{display:none}.sidebar-nav{gap:6px;display:flex;overflow-x:auto}.nav-section{display:none}.sidebar-footer{z-index:20;width:210px;padding:0;display:block;position:absolute;top:10px;right:12px}.sidebar-footer .account-card{min-height:44px;padding:5px 8px}.sidebar-footer .account-avatar{flex-basis:30px;width:30px;height:30px}.sidebar-footer .account-popover{top:calc(100% + 8px);bottom:auto}.sidebar-footer .desktop-update-action{display:none}.sidebar-collapsed .nav-label{display:inline}.sidebar-collapsed .account-lines{display:grid}.nav-item{white-space:nowrap}.sidebar-collapsed .nav-item{justify-content:flex-start;gap:10px;padding:0 10px}.main-area{padding:0 20px 20px}.main-area-chat{padding:16px}.page-header{margin:0 -20px 20px;padding:0 20px}.grid.two,.patent-filters,.prompt-layout,.model-form-grid,.provider-row{grid-template-columns:1fr}}@media (width<=520px){.sidebar-footer{width:44px}.sidebar-footer .account-card{justify-content:center;padding:5px}.sidebar-footer .account-lines{display:none}}