.mobile-history-toggle,.mobile-drawer-scrim{display:none}@media(max-width:800px){.chat-app-shell{display:block}.chat-sidebar{display:flex;position:fixed;z-index:46;top:67px;bottom:0;left:0;width:min(88vw,330px);transform:translateX(-105%);transition:transform .22s var(--ease);box-shadow:18px 0 42px rgba(13,45,88,.2)}.chat-sidebar.mobile-open{transform:translateX(0)}.mobile-history-toggle{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border:1px solid rgba(22,119,255,.14);border-radius:10px;background:rgba(255,255,255,.7);color:#547b9f;font-size:11px;font-weight:800;cursor:pointer}.mobile-drawer-scrim.visible{position:fixed;z-index:45;inset:67px 0 0;display:block;border:0;background:rgba(11,43,82,.26);backdrop-filter:blur(2px)}.chat-stage{width:100%}.chat-header-actions{gap:5px}.icon-action{width:31px;height:31px}.chat-user-badge{display:none}.thread-list{max-height:none;flex:1}.sidebar-account{margin-top:18px}.workspace-nav{margin-top:15px}}