/* Responsive navigation v4 – grouped hierarchy, mobile drawer and readable labels.
   Only dynamic HUB design tokens are used (light/dark/system, glass and accent). */
html[data-hub-theme] body.app-body .hub-menu-group{
  min-width:0;max-width:100%;padding:0;margin:0;
}
html[data-hub-theme] body.app-body .hub-menu-group + .hub-menu-group{
  margin-top:15px;padding-top:12px;border-top:1px solid var(--line);
}
html[data-hub-theme] body.app-body .hub-menu-group-title{
  display:block;min-width:0;margin:0 0 7px;padding:0 10px;
  color:var(--muted);font-size:.69rem;font-weight:750;line-height:1.4;
  letter-spacing:.065em;text-transform:uppercase;overflow-wrap:anywhere;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-section{
  display:block;min-width:0;max-width:100%;margin:0;padding:0;
}
html[data-hub-theme] body.app-body .hub-menu-group-links{
  display:grid;grid-template-columns:minmax(0,1fr);gap:3px;
  min-width:0;max-width:100%;
}
html[data-hub-theme] body.app-body .hub-context-title{
  display:block;min-width:0;max-width:100%;
  padding:9px 10px 15px;white-space:normal;overflow-wrap:anywhere;
  line-height:1.4;
}
html[data-hub-theme] body.app-body .hub-context-title strong{
  display:block;min-width:0;max-width:100%;line-height:1.3;
  white-space:normal;overflow-wrap:anywhere;word-break:normal;
}
html[data-hub-theme] body.app-body .hub-context-title small{
  display:block;max-width:100%;margin-top:5px;font-size:.73rem;
  font-weight:500;color:var(--muted);overflow-wrap:anywhere;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-item{
  box-sizing:border-box;display:flex;align-items:center;width:100%;
  min-width:0;max-width:100%;min-height:43px;
  gap:10px;padding:9px 11px;
  border:1px solid transparent;border-bottom-color:var(--line-soft);
  border-radius:8px;background:transparent;color:var(--muted);
  text-decoration:none;font-size:.86rem;line-height:1.35;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-item:last-child{
  border-bottom-color:transparent;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-item:is(:hover,:focus-visible){
  background:var(--surface-3);border-color:var(--line);color:var(--text);
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-item.active{
  background:var(--accent-soft);
  border-color:color-mix(in srgb,var(--hub-accent-strong) 25%,var(--line));
  color:var(--hub-accent-strong);
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-icon{
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 22px;width:22px;min-width:22px;line-height:1.2;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-label{
  display:block;flex:1 1 0;min-width:0;max-width:100%;
  white-space:normal!important;overflow-wrap:anywhere;word-break:normal;
}
html[data-hub-theme] body.app-body .hub-context-nav .nav-count{
  flex:0 0 auto;min-width:25px;max-width:56px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-variant-numeric:tabular-nums;
}
html[data-hub-theme] body.app-body .sidebar .sidebar-brand > a{
  min-width:0;max-width:calc(100% - 38px);
}
html[data-hub-theme] body.app-body .sidebar .sidebar-brand > a > span:last-child{
  min-width:0;max-width:100%;overflow-wrap:anywhere;
}
html[data-hub-theme] body.app-body .sidebar .sidebar-brand strong{
  white-space:normal;overflow-wrap:anywhere;
}
/* Mobile-only domain shortcuts are intentionally absent on desktop. */
html[data-hub-theme] body.app-body :is(.hub-mobile-domains,.hub-mobile-tools){
  display:none;
}
@media(max-width:900px){
  /* Two reliable header rows: menu/logo/create, then search. */
  html[data-hub-theme] body.app-body .app-shell .topbar{
    box-sizing:border-box;display:grid!important;
    grid-template-columns:44px minmax(0,1fr) auto;
    grid-template-rows:44px 37px;
    align-content:center;align-items:center;
    column-gap:9px;row-gap:6px;
    height:112px!important;min-height:112px;max-height:112px;
    width:100%;max-width:100vw;padding:8px 12px!important;
    overflow:visible;border-bottom:1px solid var(--line);
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .menu-toggle{
    display:grid!important;place-items:center;grid-column:1;grid-row:1;
    box-sizing:border-box;width:44px;height:44px;min-height:44px;
    min-width:44px;margin:0;padding:0;
    border:1px solid var(--line);background:var(--surface-2);
    color:var(--text);font-size:1.25rem;border-radius:10px;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .hub-top-brand{
    display:inline-flex!important;grid-column:2;grid-row:1;
    box-sizing:border-box;min-width:0;max-width:100%;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
    font-size:.94rem;font-weight:800;padding:4px 0;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .hub-primary-nav,
  html[data-hub-theme] body.app-body .app-shell .topbar .hub-top-tools{
    display:none!important;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .topbar-actions{
    grid-column:3;grid-row:1;order:initial!important;
    justify-self:end;min-width:0;margin:0!important;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .topbar-actions .hub-quick-create{
    margin:0;max-width:100%;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .topbar-actions .hub-quick-create>summary{
    min-height:40px;padding:8px 11px;white-space:nowrap;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .top-search{
    grid-column:1/-1;grid-row:2;order:initial!important;
    box-sizing:border-box;display:flex!important;
    width:100%!important;max-width:100%!important;min-width:0!important;
    flex:none!important;height:37px;min-height:37px;margin:0!important;
  }
  html[data-hub-theme] body.app-body .app-shell .topbar .top-search input{
    width:100%;max-width:100%;min-width:0;overflow:hidden;
    text-overflow:ellipsis;
  }
  html[data-hub-theme] body.app-body .app-shell .app-main{
    width:100%;min-width:0;margin-left:0;padding-top:112px!important;
  }
  html[data-hub-theme] body.app-body .app-shell .sidebar{
    box-sizing:border-box;position:fixed;top:112px!important;bottom:auto;
    left:0;width:min(345px,calc(100vw - 16px))!important;
    max-width:calc(100vw - 16px);
    height:calc(100dvh - 112px)!important;
    min-height:0;max-height:calc(100dvh - 112px);
    z-index:40;display:flex;flex-direction:column;
    gap:0;padding:10px 12px 12px;
    overflow:hidden!important;
    border-right:1px solid var(--line);
  }
  html[data-hub-theme] body.app-body .app-shell .sidebar-overlay.show{
    position:fixed;inset:112px 0 0 0;z-index:35;
  }
  html[data-hub-theme] body.app-body .sidebar .sidebar-brand{
    flex:0 0 auto;min-width:0;padding:5px 3px 10px;
    border-bottom:1px solid var(--line);
  }
  html[data-hub-theme] body.app-body .sidebar .sidebar-close{
    min-width:40px;min-height:40px;display:grid;place-items:center;
    padding:0;border:1px solid var(--line);border-radius:9px;
    color:var(--text);background:var(--surface-2);
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-domains{
    display:block!important;position:static!important;flex:0 0 auto;
    box-sizing:border-box;max-width:100%;min-width:0;
    padding:10px 0 9px!important;margin:0 0 8px!important;
    border:0!important;border-bottom:1px solid var(--line)!important;
    box-shadow:none!important;background:transparent!important;
    backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
  }
  html[data-hub-theme] body.app-body .hub-mobile-heading{
    font-size:.69rem;line-height:1.35;letter-spacing:.07em;text-transform:uppercase;
    font-weight:750;color:var(--muted);
  }
  html[data-hub-theme] body.app-body .hub-mobile-domains>.hub-mobile-heading{
    margin:0 0 8px;padding:0 5px;
  }
  html[data-hub-theme] body.app-body .hub-mobile-domain-links{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;
  }
  html[data-hub-theme] body.app-body .hub-mobile-domain-links>a{
    box-sizing:border-box;min-height:41px;min-width:0;
    display:flex;align-items:center;justify-content:flex-start;
    padding:9px 10px;border:1px solid var(--line);border-radius:9px;
    background:var(--surface-2);color:var(--text);font-size:.82rem;
    font-weight:600;line-height:1.25;overflow-wrap:anywhere;
    text-decoration:none;
  }
  html[data-hub-theme] body.app-body .hub-mobile-domain-links>a[aria-current="page"]{
    color:var(--hub-accent-strong);border-color:var(--hub-accent-strong);
    background:var(--accent-soft);
  }
  html[data-hub-theme] body.app-body .hub-mobile-domain-links>a:last-child:nth-child(odd){
    grid-column:1/-1;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-side-nav{
    flex:1 1 auto;min-height:0;max-width:100%;min-width:0;
    overflow-y:auto!important;overflow-x:hidden!important;
    overscroll-behavior:contain;scrollbar-gutter:stable;
    padding:0 4px 10px 0!important;margin:0!important;
  }
  html[data-hub-theme] body.app-body .hub-context-title{
    padding:7px 8px 12px;
  }
  html[data-hub-theme] body.app-body .hub-context-nav .nav-item{
    min-height:47px;padding:11px 10px;gap:10px;
  }
  html[data-hub-theme] body.app-body .hub-menu-group + .hub-menu-group{
    margin-top:14px;padding-top:12px;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools{
    display:block!important;flex:0 0 auto;
    position:relative;max-width:100%;min-width:0;
    padding:6px 0;margin:3px 0 0;
    border:0;border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:transparent;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools>summary{
    display:flex;align-items:center;justify-content:space-between;
    gap:10px;min-height:38px;padding:8px;
    cursor:pointer;list-style:none;border-radius:8px;color:var(--muted);
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools>summary::-webkit-details-marker{display:none}
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools>summary::after{
    content:"⌄";font-size:1rem;color:var(--muted);
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools[open]>summary::after{transform:rotate(180deg)}
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools nav{
    position:static!important;display:grid;gap:2px;max-width:100%;
    padding:4px 0!important;margin:0!important;border:0!important;
    background:transparent!important;backdrop-filter:none!important;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools nav>a{
    display:flex;align-items:center;gap:11px;min-height:43px;
    padding:9px 10px;border-radius:8px;text-decoration:none;
    color:var(--text);overflow-wrap:anywhere;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools nav>a:hover{
    background:var(--surface-3);
  }
  html[data-hub-theme] body.app-body .sidebar .hub-mobile-tools nav>a>span{
    display:inline-flex;width:22px;flex:0 0 22px;justify-content:center;
  }
  html[data-hub-theme] body.app-body .sidebar>.user-menu{
    flex:0 0 auto;margin:2px 0 0;
  }
  html[data-hub-theme] body.app-body .sidebar>.user-menu[open] .user-menu-pop{
    max-height:32dvh;overflow-y:auto;
  }
  html[data-hub-theme] body.app-body .hub-menu-group-title{font-size:.7rem}
}
@media(max-width:360px){
  html[data-hub-theme] body.app-body .hub-mobile-domain-links>a{padding:8px;font-size:.79rem}
  html[data-hub-theme] body.app-body .app-shell .topbar{column-gap:7px;padding-inline:9px!important}
}

/* Small landscape screens: one scrollable drawer instead of clipped nested panes. */
@media(max-width:900px) and (max-height:620px){
  html[data-hub-theme] body.app-body .app-shell .sidebar{
    overflow-y:auto!important;overflow-x:hidden!important;
    overscroll-behavior:contain;scrollbar-gutter:stable;
  }
  html[data-hub-theme] body.app-body .sidebar .hub-side-nav{
    flex:0 0 auto!important;min-height:auto!important;
    overflow:visible!important;scrollbar-gutter:auto;
    padding-right:0!important;
  }
  html[data-hub-theme] body.app-body .sidebar :is(.hub-mobile-domains,.hub-mobile-tools,.user-menu){
    flex-shrink:0;
  }
}