.bottom-nav .nav-mobile-icon,.bottom-nav .nav-short-label,.bottom-nav .nav-more{display:none}
.mobile-nav-sheet{box-sizing:border-box;width:min(520px,calc(100% - 24px));max-height:80dvh;margin:auto auto max(14px,env(safe-area-inset-bottom));padding:18px;border:1px solid #dce5f2;border-radius:20px;color:#183153;background:#fff;overflow:auto;box-shadow:0 12px 40px #12233e26}
.mobile-nav-sheet::backdrop{background:#12233e88}
.mobile-nav-sheet header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.mobile-nav-sheet h2{margin:0;font-size:18px}
.mobile-nav-sheet nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.mobile-nav-sheet nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;min-height:88px;padding:10px 6px;border:1px solid #e1e8f2;border-radius:12px;background:#f8faff;color:#43566f;text-align:center;text-decoration:none;font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.mobile-nav-sheet nav a[aria-current="page"]{color:#155eef;background:#eaf1ff;border-color:#a8c4ff}
.mobile-nav-sheet .nav-mobile-icon{width:24px;height:24px;flex-shrink:0}
@media(max-width:999px){
  .bottom-nav{gap:4px;overflow-x:hidden;padding-top:5px;padding-bottom:max(5px,var(--safe-bottom))}
  .bottom-nav .nav-item{flex:1 1 0;min-width:0;min-height:54px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:5px 2px;border:0;box-shadow:none;font-size:12px;line-height:1.2;white-space:nowrap;background:transparent;color:#66758a}
  .bottom-nav .nav-item.active{color:var(--brand-dark);background:var(--brand-soft)}
  .bottom-nav .nav-extra,.bottom-nav .nav-full-label,.bottom-nav .nav-item::before{display:none}
  .bottom-nav .nav-mobile-icon{display:block;width:22px;height:22px;flex-shrink:0}
  .bottom-nav .nav-short-label{display:block}
  .bottom-nav .nav-more{display:flex}
}
@media print{.mobile-nav-sheet{display:none!important}}