/* 后台导航图标使用本地资源，不依赖外部热链。 */
.nf-nav-item{display:flex!important;align-items:center!important;gap:11px!important;min-height:42px}
.nf-route-icon{width:28px;height:28px;min-width:28px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 5px 14px rgba(12,38,75,.18);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;overflow:hidden}
.nf-route-icon img{display:block!important;width:15px!important;height:15px!important;object-fit:contain!important;filter:brightness(0) invert(1)!important;opacity:.98!important}
.nf-route-icon-compact{width:24px;height:24px;min-width:24px;border-radius:7px;box-shadow:0 4px 10px rgba(12,38,75,.13)}
.nf-route-icon-compact img{width:12px!important;height:12px!important}
.nf-tone-blue{background:linear-gradient(145deg,#2f80ed,#1769e8)}
.nf-tone-cyan{background:linear-gradient(145deg,#28c4dc,#0b9fcb)}
.nf-tone-purple{background:linear-gradient(145deg,#8a68f5,#6d4de5)}
.nf-tone-orange{background:linear-gradient(145deg,#ffad4d,#f58727)}
.nf-tone-green{background:linear-gradient(145deg,#43c993,#19aa78)}
.nf-nav-item:hover .nf-route-icon{transform:translateY(-1px);box-shadow:0 7px 18px rgba(18,64,124,.24);filter:saturate(1.08)}
.nf-nav-item.active .nf-route-icon{box-shadow:0 0 0 3px rgba(71,210,189,.16),0 6px 16px rgba(17,76,145,.26)}
/* remove legacy broken-image/content icon decoration */
.side-nav .nav-item>.nav-icon{display:none!important;background-image:none!important;content:none!important}
.side-nav .nav-item::before,.side-nav .nav-item::after{background-image:none!important}
.nf-top-action{display:inline-flex!important;align-items:center!important;gap:7px!important;white-space:nowrap}
.nf-top-action>.nf-route-icon{margin:0!important}
.nf-top-action.btn-primary .nf-route-icon{background:rgba(255,255,255,.18);box-shadow:none}
.nf-top-action.btn-light .nf-route-icon,.nf-notify-top.nf-top-action .nf-route-icon{box-shadow:0 3px 9px rgba(12,38,75,.10)}
.nf-notify-top.nf-top-action{position:relative;padding:7px 11px!important;border-radius:10px!important}
/* admin mobile nav */
.nf-admin-mobile-nav a{display:flex!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;gap:3px!important}
.nf-admin-mobile-nav a em{font-style:normal;font-size:11px;line-height:14px}
.nf-admin-mobile-nav .nf-route-icon{width:26px;height:26px;min-width:26px;border-radius:8px;filter:grayscale(.55);opacity:.72;box-shadow:none}
.nf-admin-mobile-nav a.active .nf-route-icon{filter:none;opacity:1;box-shadow:0 3px 10px rgba(22,119,255,.18)}
@media (max-width:980px){.nf-top-action .nf-route-icon{display:none}.nf-admin-mobile-nav .nf-route-icon{display:inline-flex}}