/* Shared navigation shell. Desktop preference and mobile drawer are independent. */
body{--navigation-size:272px;--navigation-offset:var(--navigation-size)}
body.navigation-hidden{--navigation-offset:0px}
.workspace{margin-left:var(--navigation-offset)}
.sidebar{position:fixed;inset:0 auto 0 0;z-index:35;display:flex;flex-direction:column;width:var(--navigation-size);height:100dvh;min-height:0;background:var(--nav);border-right:1px solid var(--line);transform:translateX(0);visibility:visible}
.sidebar[aria-hidden=true]{transform:translateX(-100%);visibility:hidden;pointer-events:none}
.sidebar-head{display:flex;align-items:center;gap:4px;min-height:80px;padding:16px 12px 16px 16px;flex-shrink:0}
.sidebar .brand{flex:1;min-width:0;gap:8px;padding:0}
.sidebar .brand-mark{width:32px;height:32px}
.sidebar .brand-name{font-size:15px;letter-spacing:-.55px;max-width:none;overflow:visible}
.nav-close-button,.nav-open-button{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;padding:8px;color:var(--muted);background:transparent;border:0;border-radius:7px;cursor:pointer}
.nav-close-button .icon,.nav-open-button .icon{width:20px;height:20px}
.nav-close-button:hover,.nav-open-button:hover{color:var(--ink);background:var(--hover)}
.nav-open-button{display:none}
.navigation-hidden .nav-open-button{display:inline-flex}
.navigation{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:0 12px 12px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;overscroll-behavior-y:contain}
.nav-section{margin:0 0 3px}
.nav-section-start:not(:first-child){margin-top:18px}
.nav-section-label{margin:0;padding:4px 12px 8px;font-size:10px;line-height:18px;letter-spacing:.15px;font-weight:650;color:var(--muted)}
.nav-items{list-style:none;margin:0;padding:0}
.nav-items[hidden]{display:none}
.nav-items>li{margin:2px 0}
.sidebar .nav-link,.nav-group-toggle{display:flex;align-items:center;position:relative;gap:10px;width:100%;min-height:40px;padding:9px 12px;border:0;border-radius:7px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:550;line-height:20px;text-align:left;text-decoration:none;cursor:pointer}
.sidebar .nav-link:hover,.nav-group-toggle:hover{background:var(--hover);color:var(--ink);text-decoration:none}
.sidebar .nav-link>.icon,.nav-group-toggle>.icon{flex-shrink:0;width:18px;height:18px;color:currentColor}
.nav-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar .nav-link.active{background:var(--accent-soft);color:var(--accent);font-weight:750}
.sidebar .nav-link.active:before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}
.nav-count{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:20px;padding:0 6px;border-radius:5px;background:var(--surface-soft);color:var(--muted);font-size:11px;font-weight:650;line-height:1;font-variant-numeric:tabular-nums}
.nav-link.active .nav-count{color:var(--accent);background:var(--selected)}
.nav-disclosure{margin-bottom:3px}
.nav-group-toggle>span:not(.sr-only){flex:1}
.nav-group-toggle>.icon:last-child{width:15px;height:15px;transition:transform 140ms ease}
.nav-group-toggle[aria-expanded=true]>.icon:last-child{transform:rotate(180deg)}
.nav-group-toggle.contains-current{color:var(--ink);font-weight:700}
.nav-group-toggle.contains-current[aria-expanded=false]{background:var(--accent-soft);color:var(--accent)}
.nav-group-toggle.contains-current[aria-expanded=false]:before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--accent);border-radius:0 3px 3px 0}
.nav-sub-items{position:relative;margin:3px 0 8px 20px;padding:0 0 0 15px;border-left:1px solid var(--line)}
.sidebar .nav-sub-link{padding-left:12px;font-size:12px;font-weight:500;min-height:34px;padding-block:7px}
.sidebar .nav-sub-link.active{font-weight:750}
.sidebar .nav-sub-link.active:before{left:-17px;width:3px;border-radius:2px;top:8px;bottom:8px}
.nav-group-toggle:focus-visible,.sidebar .nav-link:focus-visible,.nav-open-button:focus-visible,.nav-close-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.nav-help{margin-top:18px;padding-top:12px;border-top:1px solid var(--line)}
.sidebar-signature{display:flex;align-items:center;gap:8px;flex-shrink:0;min-height:56px;padding:12px 20px max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.sidebar-signature img{width:26px;height:26px;object-fit:contain}
.nav-backdrop[hidden]{display:none}
.nav-backdrop:not([hidden]){display:block;position:fixed;inset:0;z-index:34;background:var(--overlay);border:0;padding:0;cursor:pointer}
.network-top-context{flex:1;overflow:hidden}
.network-top-context .workspace-breadcrumb{min-width:0;gap:8px;overflow:hidden}
.workspace-breadcrumb>.icon{width:12px;height:12px;flex-shrink:0;color:var(--subtle)}
.workspace-breadcrumb .workspace-domain{flex-shrink:0;font-size:11px}
.workspace-breadcrumb .workspace-parent{flex-shrink:0}
.network-top-context .workspace-breadcrumb .workspace-current{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600}
.network-top-context .network-demo-mark{flex-shrink:0}
@media(max-width:1180px){.workspace-breadcrumb .workspace-domain,.workspace-breadcrumb .workspace-domain+.icon{display:none}}
@media(max-width:900px){
 body{--navigation-offset:0px}
 .sidebar{width:min(320px,90vw);padding-top:env(safe-area-inset-top);transform:translateX(-100%);visibility:hidden;pointer-events:none;box-shadow:none}
 body.navigation-overlay-open .sidebar{transform:translateX(0);visibility:visible;pointer-events:auto;box-shadow:var(--shadow)}
 .sidebar-head{min-height:76px;padding:14px 16px 14px 20px}
 .sidebar .brand-name{font-size:16px}
 .nav-close-button,.nav-open-button{width:44px;height:44px}
 .nav-open-button{display:inline-flex}
 .sidebar .nav-link,.nav-group-toggle,.sidebar .nav-sub-link{min-height:44px}
 .navigation{padding-inline:12px}
}
@media(max-width:600px){.workspace-breadcrumb .workspace-parent,.workspace-breadcrumb .workspace-parent+.icon{display:none}}
@media(max-height:540px){.sidebar-head{min-height:64px;padding-block:10px}.sidebar-signature{display:none}.nav-section{margin-bottom:3px}.nav-section-start:not(:first-child){margin-top:10px}.nav-help{margin-top:12px}}
@media(prefers-reduced-motion:reduce){.nav-group-toggle>.icon:last-child{transition:none}}
@media print{.sidebar,.nav-open-button,.nav-backdrop{display:none!important}.workspace{margin-left:0}}