.mobile-header,.mobile-backdrop,.mobile-account,.mobile-navigation-heading{display:none}
@media(max-width:800px){
  .app-shell{display:block;min-height:100vh}
  .main-shell{display:block;grid-column:auto}
  .main-shell>.topbar{display:none}
  .mobile-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--nav);color:#f4f7fb;min-height:60px;border-bottom:1px solid #ffffff15}
  .mobile-header>.icon-button{color:inherit;flex:none;min-width:44px;min-height:44px}
  .mobile-header>.icon-button:hover{background:#ffffff12;color:#fff}
  .mobile-header-context{flex:1;min-width:0;display:grid;gap:1px;line-height:1.35;padding:2px 0}
  .mobile-header-context a{font-size:11px;color:#b8c5d5;text-decoration:none;overflow-wrap:anywhere}
  .mobile-header-context strong{font-size:14px;font-weight:600;white-space:normal;overflow-wrap:anywhere}
  .mobile-backdrop:not([hidden]){display:block;position:fixed;inset:0;background:#0c172966;z-index:70}
  .app-shell>.sidebar{display:none;position:fixed;inset:0 auto 0 0;width:min(320px,calc(100vw - 40px));height:100dvh;max-height:100dvh;padding:12px 16px 24px;overflow-y:auto;overscroll-behavior:contain;z-index:80;flex-direction:column;align-items:stretch;gap:0;flex-wrap:nowrap;box-shadow:8px 0 30px #0c172933}
  .app-shell.mobile-chrome-open>.sidebar[aria-modal=true]{display:flex}
  .mobile-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex:none}
  .mobile-navigation-heading{display:flex}
  .mobile-navigation-heading>.icon-button{color:#d9e2ef}
  .mobile-navigation-heading>.icon-button:hover{background:#ffffff12;color:#fff}
  .app-shell>.sidebar .brand{justify-content:flex-start;padding:0 10px;margin:4px 0 24px}
  .app-shell>.sidebar .brand-name{display:inline}
  .app-shell>.sidebar .workspace-label,.app-shell>.sidebar .nav-label,.app-shell>.sidebar .project-context{display:block}
  .app-shell>.sidebar .workspace-label{display:flex}
  .app-shell>.sidebar>nav,.app-shell>.sidebar .project-nav nav{display:block;max-width:none;overflow:visible;margin:0;padding:0}
  .app-shell>.sidebar .project-nav{display:block;width:auto;min-width:0;margin:0}
  .app-shell>.sidebar .nav-item{display:flex;justify-content:flex-start;gap:12px;padding:10px 12px;min-height:44px;margin:3px 0;font-size:13px;flex:none;position:relative}
  .app-shell>.sidebar .nav-item .label{display:block;font-size:13px;white-space:normal}
  .app-shell>.sidebar .nav-item .icon{width:18px;height:18px}
  .app-shell>.sidebar .nav-item.active:before{display:block;left:-16px}
  .app-shell>.sidebar .nav-divider{display:block;margin:18px 12px}
  .app-shell>.sidebar .sidebar-bottom{display:block;margin-top:auto;padding-top:24px}
  .mobile-account:not([hidden]){display:flex;position:fixed;top:max(12px,env(safe-area-inset-top));right:12px;width:min(320px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto;z-index:80;flex-direction:column;align-items:stretch;gap:10px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 10px 40px #0c172933}
  .mobile-account .mobile-panel-heading{margin:0}
  .mobile-account-link{display:flex;align-items:center;gap:10px;min-height:44px;padding:6px 0;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
  .mobile-account-link span{min-width:0}
  .mobile-account-link small{display:block;color:var(--muted);font-size:11px}
  .mobile-account .button{justify-content:flex-start;min-height:44px}
  .mobile-local-label{color:var(--muted);font-size:12px}
  body.mobile-chrome-open{overflow:hidden}
  .query-redesign .query-selected-actions{left:50%;width:calc(100vw - 24px)}
  #toast{left:50%;max-width:calc(100vw - 24px)}
}