.sidebar{height:100vh;height:100dvh;overflow:hidden;padding:18px 12px 12px}
.brand{flex-shrink:0;padding-bottom:20px}
.nav-main{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;gap:4px;scrollbar-width:thin;scrollbar-color:#705287 transparent}
.nav button{width:100%;font-size:13px;padding:11px 12px;line-height:1.3;min-height:42px;flex-shrink:0}
.nav button:focus-visible{outline:2px solid #c4b5fd;outline-offset:-2px}
.nav-group{flex-shrink:0}
.nav-group-toggle>span:nth-child(2){flex:1;min-width:0}
.nav-chevron{font-size:20px;line-height:1;transition:transform .15s}
.nav-group-toggle[aria-expanded="true"] .nav-chevron{transform:rotate(90deg)}
.nav-group.has-active>.nav-group-toggle{color:#fff;background:#322040}
.nav-submenu{margin:3px 7px 8px 23px;padding-left:10px;border-left:1px solid #594067;display:grid;gap:3px}
.nav-submenu[hidden]{display:none!important}
.nav-submenu button{font-size:12px;min-height:36px;padding:9px 10px;font-weight:550}
.nav-footer{flex-shrink:0;margin-top:8px;padding-top:8px;border-top:1px solid #493256}
.sidebar-bottom{flex-shrink:0;margin-top:0;padding:8px 8px 0;font-size:10px}
.material-sheets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.material-sheet-rates{font-size:12px;margin:16px 0}
.material-sheet-rates>div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}
.material-sheet-rates dd{margin:0;font-weight:700;white-space:nowrap}
.material-catalog{margin-bottom:20px}
.material-category-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.material-catalog-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(190px,1fr) auto;gap:12px;align-items:end;padding:12px 0;border-bottom:1px solid var(--line)}
.material-catalog-rows{margin-bottom:16px}
.material-error{color:var(--red);margin-top:14px;font-weight:650}
@media(max-width:600px){.material-catalog-row{grid-template-columns:1fr}.material-catalog .section-head{align-items:stretch;flex-direction:column;gap:12px}.material-category-tabs .btn{flex:1}}
.marketing-only .nav-group:not([data-nav-group="communication"]),.marketing-only .nav-group-toggle,.marketing-only .nav-footer{display:none!important}
.marketing-only .nav-group[data-nav-group="communication"] .nav-submenu{display:block!important;border:0;margin:0;padding:0}
@media(max-width:760px){
 .sidebar{height:auto;max-height:none;position:static;padding:12px}
 .brand{padding-bottom:10px}
 .nav-main{flex:auto;flex-direction:column;max-height:290px;max-height:38dvh;overflow-y:auto}
 .nav button{white-space:normal}
 .nav-footer{flex-direction:column;margin-top:6px;padding-top:6px}
 .topbar h2{font-size:17px}.topbar .subtitle{max-width:65vw}
}