/* v2.5: readable, stable primary navigation; only the current page is filled. */
.ux-shell{--ux-sidebar:224px}
.ux-shell .navigation-v25{width:var(--ux-sidebar);padding:16px 12px 10px;gap:0}
.navigation-v25 .brand{display:flex;padding:0 8px 16px;gap:10px;flex-shrink:0}
.navigation-v25 .brand-logo{width:34px;height:34px}
.navigation-v25 .brand-title{font-size:18px;letter-spacing:.02em}
.navigation-v25 .brand-caption{font-size:11px;margin-top:3px;letter-spacing:.08em}
.navigation-v25 .sidebar-create{padding:0 4px 12px;flex-shrink:0}
.navigation-v25 .sidebar-create .btn{height:44px;min-height:44px;font-size:14px;border-radius:8px;box-shadow:none}
.navigation-v25 .sidebar-nav{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 3px 8px;scrollbar-width:thin;flex:1}
.navigation-v25 .nav-btn{width:100%;height:44px;min-height:44px;padding:0 12px;margin:2px 0;font-size:14px;gap:11px;border-radius:7px;background:transparent;color:var(--yx-muted);text-align:left;position:relative;font-weight:500}
.navigation-v25 .nav-btn svg{width:18px;height:18px;flex-shrink:0}
.navigation-v25 .nav-btn:not(.active):hover{background:var(--yx-hover);color:var(--yx-text)}
.navigation-v25 .nav-btn:not(.active):focus{background:transparent}
.navigation-v25 .nav-btn.active{background:var(--yx-selected);color:var(--yx-primary);font-weight:700}
.navigation-v25 .nav-btn.active:before,.navigation-v25 .nav-btn.active:after{content:none}
.navigation-v25 .nav-btn:focus-visible,.navigation-v25 .nav-group-toggle:focus-visible{outline:2px solid var(--yx-primary);outline-offset:-2px}
.navigation-v25 .count{margin-left:auto;font-size:12px;min-width:20px;text-align:center;border-radius:5px;background:var(--yx-subtle-surface);padding:2px 5px}
.navigation-v25 .nav-group-toggle{display:flex;align-items:center;justify-content:space-between;min-height:44px;width:100%;margin:12px 0 4px;border-top:1px solid var(--yx-border);padding:12px 12px 2px;color:var(--yx-muted);font-size:12px;font-weight:600;letter-spacing:.08em;background:transparent;cursor:pointer}
.navigation-v25 .nav-group-toggle[aria-expanded=true] svg{transform:rotate(90deg)}
.navigation-v25 .nav-admin{border-top:1px solid var(--yx-border);margin-top:12px;padding-top:8px}
.navigation-v25 .nav-bottom{padding:10px 4px 0;margin-top:0;flex-shrink:0;border-top:1px solid var(--yx-border)}
.navigation-v25 .nav-support{gap:6px;justify-content:space-between;margin-bottom:6px;font-size:11px}
.navigation-v25 .nav-support a{font-size:11px;min-height:30px;align-items:center}
.navigation-v25 .personal-entry{border-radius:8px;padding:9px 8px;gap:9px;min-height:60px}
.navigation-v25 .avatar{width:32px;height:32px;min-width:32px}
.navigation-v25 .user-name{font-size:13px}
.navigation-v25 .user-role{font-size:11px;margin-top:2px}
.delete-link{color:var(--yx-muted)}
.delete-link:hover{color:var(--yx-danger)}
@media(max-width:760px){.ux-shell .navigation-v25{width:224px}.navigation-v25 .nav-btn{min-height:44px;height:44px}}
.navigation-v25 .nav-group-toggle>span{margin-left:0;font-size:12px}
.navigation-v25 details.nav-admin{border:0;border-top:1px solid var(--yx-border);border-radius:0;margin:8px 0 0;padding:6px 0 0;background:transparent}
.navigation-v25 .nav-admin>summary{display:flex;align-items:center;gap:11px;min-height:44px;padding:0 12px;font-size:14px;font-weight:500;cursor:pointer;color:var(--yx-muted);list-style:none}
.navigation-v25 .nav-admin>summary::-webkit-details-marker{display:none}
.navigation-v25 .nav-admin>summary span{flex:1}
.navigation-v25 .nav-admin[open]>summary>svg:last-child{transform:rotate(90deg)}
.navigation-v25 .nav-admin .nav-btn{padding-left:24px;font-size:13px}
.navigation-v25 .nav-admin>summary:focus-visible{outline:2px solid var(--yx-primary);outline-offset:-2px}