:root{--ns-pane-header-h:54px}.ns-pane-header{position:sticky;top:0;z-index:30;flex:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;height:var(--ns-pane-header-h);padding:0 var(--ns-pane-header-pad,var(--ns-pad-pane,1.5rem));background:var(--ns-bg);border-bottom:1px solid var(--ns-border)}.ns-pane-header__left,.ns-pane-header__right{display:flex;align-items:center;gap:.8rem;min-width:0}.ns-pane-header__right{flex:none}