@keyframes nav-group-slide-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes nav-loading-pulse{0%,to{transform:translateY(0);opacity:.6}50%{transform:translateY(-1px);opacity:1}}.grouped-nav{--nav-surface:rgba(var(--color-sf-surface), 0.8);--nav-surface-strong:rgba(var(--color-sf-surface), 0.95);--nav-accent-soft:rgba(var(--color-sf-primary), 0.08);--nav-accent-mid:rgba(var(--color-sf-primary), 0.14);--nav-accent-strong:rgba(var(--color-sf-primary), 0.22);padding:4px 0 8px;overflow-x:hidden;overflow-y:auto;flex:1;min-height:0;scrollbar-gutter:stable}.nav-search{position:sticky;top:0;z-index:2;padding:6px 12px 8px;background:linear-gradient(180deg,rgba(var(--color-sf-surface),.98) 0%,rgba(var(--color-sf-surface),.92) 70%,rgba(var(--color-sf-surface),0) 100%);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.nav-search-icon{position:absolute;top:50%;left:24px;transform:translateY(-50%);font-size:18px;color:var(--layout-text-gray);pointer-events:none}.nav-search input{width:100%;padding:8px 42px 8px 40px;border:1px solid rgba(var(--color-sf-primary),.14);border-radius:14px;background:linear-gradient(180deg,var(--nav-surface) 0%,var(--nav-surface-strong) 100%);color:var(--layout-text-dark-gray);font-size:13px;outline:0;transition:border-color .2s ease,box-shadow .2s ease;box-sizing:border-box;box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 10px 28px rgba(var(--color-sf-primary),.08)}.nav-search input::placeholder{color:var(--layout-text-gray)}.nav-search input:focus{border-color:rgb(var(--color-sf-primary));box-shadow:0 0 0 3px rgba(var(--color-sf-primary),.14),0 12px 30px rgba(var(--color-sf-primary),.12)}.nav-section{padding:0}.nav-sections{display:flex;flex-direction:column}.nav-main-menu{min-width:0}.nav-section-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:3px 16px}.nav-section-heading{display:inline-flex;align-items:center;gap:8px}.nav-section-heading-icon{font-size:15px;color:rgb(var(--color-sf-primary))}.nav-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--layout-text-gray)}.nav-section-meta{min-width:24px;padding:2px 8px;border-radius:999px;background:rgba(var(--color-sf-primary),.08);color:rgb(var(--color-sf-primary));font-size:11px;font-weight:700;text-align:center}.nav-favorites{border-bottom:1px solid rgba(var(--color-sf-primary),.08);margin-bottom:4px;padding-bottom:4px}.grouped-nav.docked .nav-group-header::before,.grouped-nav.docked .nav-item::before,.nav-favorites.is-empty{display:none}.nav-favorites-empty{display:flex;align-items:center;gap:8px;min-height:38px;margin:4px 6px 0;padding:0 14px;border-radius:8px;background:rgba(var(--color-sf-primary),.05);color:var(--layout-text-gray);font-size:12px;line-height:1.4}.nav-favorites-empty .material-symbols-outlined{font-size:16px;line-height:1;color:rgba(var(--color-sf-primary),.78)}.nav-empty{margin:12px 14px 4px;padding:16px 14px;border-radius:16px;background:linear-gradient(180deg,rgba(var(--color-sf-primary),.05) 0%,rgba(var(--color-sf-primary),.03) 100%);box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.08);color:var(--layout-text-gray);text-align:center}.nav-empty--loading .nav-empty-icon{animation:nav-loading-pulse 1.2s ease-in-out infinite}.nav-empty-icon{display:inline-flex;margin-bottom:10px;font-size:20px;color:rgba(var(--color-sf-primary),.72)}.nav-empty-title{margin-bottom:4px;color:var(--layout-text-dark-gray);font-size:13px;font-weight:700}.nav-empty-detail{font-size:12px;line-height:1.5}.nav-item{display:flex;align-items:center;gap:12px;padding:0 14px;min-height:38px;margin:2px 6px;border-radius:8px;cursor:pointer;transition:background-color .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease;position:relative;user-select:none;font-size:14px;color:var(--layout-text-dark-gray);box-shadow:inset 0 0 0 1px transparent;outline:0}.nav-group-header::before,.nav-item::before{content:"";position:absolute;left:8px;top:9px;bottom:9px;width:4px;border-radius:999px;background:rgb(var(--color-sf-primary));opacity:0;transform:scaleY(.45);transition:opacity .18s ease,transform .18s ease}.nav-group-header:hover,.nav-item:hover{background:rgba(var(--color-sf-primary),.07);box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.08);transform:translateY(-1px)}.nav-group-header:focus-visible,.nav-item:focus-visible{background:rgba(var(--color-sf-primary),.08);box-shadow:0 0 0 2px rgba(var(--color-sf-primary),.18),inset 0 0 0 1px rgba(var(--color-sf-primary),.12)}.nav-item.active{background:linear-gradient(135deg,rgba(var(--color-sf-primary),.16) 0%,rgba(var(--color-sf-primary),.08) 100%);color:rgb(var(--color-sf-primary));font-weight:600;box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.15),0 10px 24px rgba(var(--color-sf-primary),.12)}.nav-group-header.active::before,.nav-item.active::before{opacity:1;transform:scaleY(1)}.nav-item.active:hover{background:linear-gradient(135deg,rgba(var(--color-sf-primary),.2) 0%,rgba(var(--color-sf-primary),.1) 100%)}.nav-icon{font-size:20px;width:22px;min-width:22px;text-align:center;color:var(--layout-text-gray);transition:color .2s ease,transform .2s ease}.nav-group-header.active .nav-icon,.nav-group-header:hover .nav-icon,.nav-item.active .nav-icon,.nav-item:hover .nav-icon{color:rgb(var(--color-sf-primary));transform:translateY(-1px)}.nav-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;letter-spacing:.01em}.nav-group{margin:2px 0}.nav-chevron,.nav-group-header{align-items:center;cursor:pointer}.nav-group-header{display:flex;gap:12px;padding:0 14px;min-height:38px;margin:2px 6px;border-radius:8px;transition:background-color .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease;user-select:none;font-size:14px;color:var(--layout-text-dark-gray);box-shadow:inset 0 0 0 1px transparent;outline:0}.nav-group.expanded>.nav-group-header{background:rgba(var(--color-sf-primary),.08);box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.1)}.nav-chevron{margin-left:auto;width:30px;height:30px;display:inline-flex;justify-content:center;border:0;color:var(--layout-text-gray);transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease;padding:0;border-radius:10px;background:rgba(var(--color-sf-primary),.05)}.nav-chevron .material-symbols-outlined{font-size:18px;line-height:1;transition:transform .18s ease}.nav-chevron:focus-visible,.nav-chevron:hover{background:rgba(var(--color-sf-primary),.16);color:rgb(var(--color-sf-primary));box-shadow:0 0 0 2px rgba(var(--color-sf-primary),.12);outline:0}.nav-chevron:active{background:rgba(var(--color-sf-primary),.22)}.nav-group.expanded>.nav-group-header .nav-chevron{background:rgba(var(--color-sf-primary),.16);color:rgb(var(--color-sf-primary))}.nav-group.expanded>.nav-group-header .nav-chevron .material-symbols-outlined{transform:rotate(90deg)}.nav-group-link{cursor:inherit}.nav-group-header:hover .nav-group-link{color:rgb(var(--color-sf-primary))}.nav-group-header.active .nav-group-link{color:rgb(var(--color-sf-primary));font-weight:600}.nav-group-items{display:grid;gap:3px;padding:2px 0 6px;animation:nav-group-slide-in .18s ease-out}.nav-sub-item{min-height:38px;padding-left:48px;font-size:13px}.nav-sub-icon{font-size:16px;width:18px;min-width:18px}.nav-sub-item .nav-text{color:var(--layout-text-dark-gray);font-weight:500}.nav-sub-item.active .nav-text,.nav-sub-item:hover .nav-text{color:rgb(var(--color-sf-primary))}.nav-action-btn,.nav-trailing-slot{display:inline-flex;align-items:center}.nav-action-btn{opacity:0;width:28px;height:28px;border:0;background:0 0;color:var(--layout-text-gray);cursor:pointer;padding:0;border-radius:8px;justify-content:center;flex-shrink:0;transition:opacity .16s ease,background-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}.nav-action-btn .material-symbols-outlined{font-size:16px;line-height:1}.nav-trailing-slot{margin-left:auto;min-width:28px;justify-content:flex-end;gap:6px}.nav-action-btn.is-active,.nav-action-btn.is-visible,.nav-group-header:focus-within .nav-action-btn,.nav-group-header:hover .nav-action-btn,.nav-item:focus-within .nav-action-btn,.nav-item:hover .nav-action-btn{opacity:1}.nav-action-btn:focus-visible,.nav-action-btn:hover{background:rgba(var(--color-sf-primary),.12);color:rgb(var(--color-sf-primary));transform:translateY(-1px);box-shadow:0 0 0 2px rgba(var(--color-sf-primary),.12);outline:0}.nav-search-clear{position:absolute;right:18px;top:50%;transform:translateY(-50%)}.nav-pin-indicator{width:20px;height:20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:rgba(var(--color-sf-primary),.1);color:rgb(var(--color-sf-primary));opacity:.85}.nav-pin-indicator .material-symbols-outlined{font-size:12px;line-height:1}@media (max-width:767px){.nav-group-header,.nav-item{padding:0 10px;gap:8px}.nav-favorites{margin-top:0;margin-bottom:10px;padding-top:0;padding-bottom:8px;border-top:none;border-bottom:1px solid rgba(var(--color-sf-primary),.08)}.nav-favorites.is-empty{display:block}.nav-favorites-empty{min-height:40px}.nav-trailing-slot{width:auto;min-width:0;gap:2px}.nav-trailing-slot .nav-action-btn{opacity:1;width:30px;height:30px}.nav-trailing-slot .nav-chevron{width:26px;height:26px}.nav-trailing-slot .nav-pin-indicator{display:none}.nav-group-items{margin-left:12px;padding-left:6px;border-left:2px solid rgba(var(--color-sf-primary),.15)}.nav-sub-item{padding-left:6px}}.grouped-nav.docked .nav-group-header,.grouped-nav.docked .nav-item{justify-content:center;margin:3px 6px;padding:0;min-height:42px;border-radius:10px}.grouped-nav.docked .nav-icon{margin-right:0;font-size:24px}.grouped-nav.docked .nav-group.expanded>.nav-group-header:not(.active){background:0 0;box-shadow:none}.grouped-nav.docked .nav-group-header.active,.grouped-nav.docked .nav-item.active{box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.18),0 12px 24px rgba(var(--color-sf-primary),.14);transform:translateY(-1px)}.grouped-nav.docked .nav-action-btn,.grouped-nav.docked .nav-pin-indicator{display:none}.theme-material3-dark .grouped-nav{--nav-surface:rgba(255, 255, 255, 0.05);--nav-surface-strong:rgba(255, 255, 255, 0.08)}.theme-material3-dark .nav-search{background:linear-gradient(180deg,rgba(39,38,43,.98)0,rgba(39,38,43,.92) 70%,rgba(39,38,43,0) 100%)}.theme-material3-dark .nav-search input{background:linear-gradient(180deg,var(--nav-surface) 0%,var(--nav-surface-strong) 100%);border-color:rgba(255,255,255,.1);color:rgb(var(--color-sf-on-surface));box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 10px 30px rgba(0,0,0,.24)}.theme-material3-dark .nav-search input::placeholder{color:rgba(var(--color-sf-on-surface),.5)}.theme-material3-dark .nav-action-btn,.theme-material3-dark .nav-group-header,.theme-material3-dark .nav-item,.theme-material3-dark .nav-search-icon,.theme-material3-dark .nav-section-title{color:rgba(var(--color-sf-on-surface),.8)}.theme-material3-dark .nav-empty,.theme-material3-dark .nav-group.expanded>.nav-group-header{background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}.theme-material3-dark .nav-empty-title,.theme-material3-dark .nav-sub-item .nav-text{color:rgba(var(--color-sf-on-surface),.88)}.theme-material3-dark .nav-group-header:focus-visible,.theme-material3-dark .nav-group-header:hover,.theme-material3-dark .nav-item:focus-visible,.theme-material3-dark .nav-item:hover{background:rgba(var(--color-sf-primary),.12);box-shadow:inset 0 0 0 1px rgba(var(--color-sf-primary),.1)}.grouped-nav{scrollbar-width:thin;scrollbar-color:transparent transparent;transition:scrollbar-color .3s ease}.grouped-nav:hover{scrollbar-color:rgba(var(--color-sf-primary),.18) transparent}.grouped-nav::-webkit-scrollbar{width:4px}.grouped-nav::-webkit-scrollbar-track{background:0 0}.grouped-nav::-webkit-scrollbar-thumb{background:0 0;border-radius:4px}.grouped-nav:hover::-webkit-scrollbar-thumb{background:rgba(var(--color-sf-primary),.18)}.grouped-nav:hover::-webkit-scrollbar-thumb:hover{background:rgba(var(--color-sf-primary),.35)}.grouped-nav:hover::-webkit-scrollbar-thumb:active{background:rgba(var(--color-sf-primary),.5)}