.navbar{background:#fff;padding:0 2rem;height:56px;display:flex;align-items:center;box-shadow:0 1px 3px rgba(0,0,0,.05);border-bottom:1px solid #f0f0f0;position:fixed;top:0;left:0;right:0;z-index:1000}
.navbar-content{max-width:1400px;width:100%;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.navbar-logo{font-size:1.1rem;font-weight:600;color:#1f2937;text-decoration:none;white-space:nowrap}
.navbar-logo:hover{color:#3b82f6}
.navbar-links{display:flex;gap:.5rem;align-items:center}
.navbar-link{text-decoration:none;color:#6b7280;font-size:.9rem;font-weight:500;padding:.5rem .75rem;border-radius:8px;transition:all .2s;white-space:nowrap}
.navbar-link:hover,.navbar-link.active{color:#3b82f6;background:#eff6ff}
.navbar-more{position:relative}
.navbar-more-trigger{display:inline-flex;align-items:center;gap:7px;padding:.5rem .75rem;border:0;border-radius:8px;background:transparent;color:#6b7280;font-family:inherit;font-size:.9rem;font-weight:500;line-height:1.25;white-space:nowrap;cursor:pointer;transition:color .2s,background .2s}
.navbar-more-trigger:hover,.navbar-more-trigger:focus-visible,.navbar-more.open .navbar-more-trigger{color:#3b82f6;background:#eff6ff;outline:none}
.navbar-more-chevron{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.navbar-more.open .navbar-more-chevron{transform:rotate(225deg) translate(-1px,-1px)}
.navbar-more-menu{position:absolute;top:calc(100% + 8px);right:0;width:180px;padding:6px;border:1px solid #e5e7eb;border-radius:8px;background:#fff;box-shadow:0 4px 8px rgba(15,23,42,.1);opacity:0;visibility:hidden;transform:translateY(-4px);pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:1002}
.navbar-more.open .navbar-more-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.navbar-more-item{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px;padding:8px 10px;border-radius:6px;color:#4b5563;text-decoration:none;font-size:.875rem;font-weight:500;transition:color .18s,background .18s}
.navbar-more-item:hover,.navbar-more-item:focus-visible{color:#2563eb;background:#eff6ff;outline:none}
.navbar-more-external,.mobile-link-external{margin-left:auto;color:#9ca3af;font-size:.8rem}
.navbar-divider{color:#e5e7eb;margin:0 .25rem}
.navbar-user{font-size:.8rem;color:#6b7280;white-space:nowrap}
.navbar-tag{display:inline-block;padding:.125rem .5rem;border-radius:4px;font-size:.7rem;font-weight:500}
.navbar-tag-admin{background:#ecfdf5;color:#10b981}
.navbar-tag-user{background:#eff6ff;color:#3b82f6}
.navbar-logout{font-size:.8rem;color:#ef4444;text-decoration:none;margin-left:.5rem;cursor:pointer}
.navbar-logout:hover{text-decoration:underline}
.navbar-admin-btn{display:inline-block;font-size:.75rem;font-weight:500;padding:.25rem .75rem;margin-left:.5rem;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;text-decoration:none;border-radius:6px;transition:all .2s;white-space:nowrap}
.navbar-admin-btn:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(102,126,234,.4)}
.navbar-backend-title{font-size:.8rem;color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:.375rem 1rem;border-radius:6px;margin-right:.75rem;font-weight:500}
.navbar-back-btn{display:inline-block;font-size:.75rem;font-weight:500;padding:.25rem .75rem;background:#f3f4f6;color:#6b7280;text-decoration:none;border-radius:6px;transition:all .2s;margin-right:.5rem}
.navbar-back-btn:hover{background:#e5e7eb;color:#374151}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:.5rem;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:#1f2937;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{display:none;position:fixed;top:56px;right:0;bottom:0;width:75%;max-width:320px;background:#fff;z-index:999;padding:24px 0;overflow-y:auto;box-shadow:-4px 0 12px rgba(0,0,0,.1)}
.mobile-menu.active{display:block}
.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:998}
.mobile-menu-overlay.active{display:block}
.mobile-menu-close{position:absolute;top:16px;right:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;background:none;border:none;color:#6b7280;font-size:20px;min-width:44px;min-height:44px;padding:4px}
.mobile-nav-group{padding:0 16px}
.mobile-nav-group+.mobile-nav-group{margin-top:16px}
.mobile-nav-group-title{padding:0 8px;margin-bottom:8px;font-size:.7rem;font-weight:600;color:#9ca3af;text-transform:uppercase;letter-spacing:.05em}
.mobile-link{display:flex;align-items:center;gap:12px;padding:0 16px;min-height:44px;color:#4b5563;text-decoration:none;font-size:16px;font-weight:500;transition:all .2s;border-radius:0;position:relative}
.mobile-link:active{background:#f3f4f6}
.mobile-link.active{background:#eff6ff;color:#3b82f6;font-weight:600}
.mobile-link.active::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;background:#3b82f6;border-radius:0 2px 2px 0}
.mobile-link svg{flex-shrink:0;width:16px;height:16px;stroke-width:2px;stroke:currentColor;fill:none}
.mobile-link.active svg{stroke:#3b82f6}
.mobile-link-external{font-size:.85rem}
.mobile-divider{height:1px;background:#e5e7eb;margin:16px 16px}
.mobile-user{padding:12px 16px;color:#6b7280;font-size:.85rem}
.mobile-logout{display:flex;align-items:center;justify-content:center;gap:8px;width:calc(100% - 32px);margin:24px 16px 16px;min-height:48px;padding:0 16px;color:#ef4444;text-decoration:none;font-size:16px;font-weight:600;border-radius:8px;background:#fef2f2;border:1px solid #fecaca;transition:all .2s;cursor:pointer;min-height:44px}
.mobile-logout:active{background:#fee2e2}
.mobile-logout svg{width:16px;height:16px;stroke-width:2px;stroke:currentColor;fill:none}
.mobile-link.sub{padding-left:44px;font-size:15px}
@media(max-width:768px){.hamburger{display:flex}.navbar-links{display:none}}
.notif-bell{font-size:1.1rem;position:relative;cursor:pointer;display:flex;align-items:center;justify-content:center}
.notif-bell:hover{color:#667eea}
.notif-bell.ring{animation:bellRing 0.5s ease-in-out 3}
@keyframes bellRing{0%,100%{transform:rotate(0)}20%{transform:rotate(15deg)}40%{transform:rotate(-15deg)}60%{transform:rotate(8deg)}80%{transform:rotate(-8deg)}}
.notif-badge{position:absolute;top:-4px;right:-6px;min-width:16px;height:16px;background:#EF4444;color:#fff;border-radius:8px;font-size:10px;line-height:16px;text-align:center;padding:0 4px;display:none;font-weight:700;border:2px solid #F8FAFC}
.notif-popover{position:fixed;top:60px;right:16px;width:340px;max-height:450px;background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.15);z-index:1001;display:none;overflow:hidden}
.notif-popover.active{display:flex;flex-direction:column}
.notif-popover-header{padding:.875rem 1rem;background:#F9FAFB;border-bottom:1px solid #E5E7EB;display:flex;justify-content:space-between;align-items:center}
.notif-popover-header h4{font-size:.9rem;margin:0}
.notif-popover-header a{font-size:.75rem;color:#667eea;cursor:pointer;text-decoration:none}
.notif-list{overflow-y:auto;max-height:380px}
.notif-item{padding:.75rem 1rem;border-bottom:1px solid #F3F4F6;cursor:pointer;transition:background .2s}
.notif-item:hover{background:#F9FAFB}
.notif-item.unread{background:#EFF6FF}
.notif-item.unread .notif-item-title{font-weight:700}
.notif-item.read{background:#fff}
.notif-item-icon{display:inline-block;margin-right:.375rem;font-size:.9rem}
.notif-item-title{font-size:.85rem;font-weight:600;color:#1F2937}
.notif-item-desc{font-size:.75rem;color:#6B7280;margin-top:.25rem}
.notif-item-time{font-size:.7rem;color:#9CA3AF;margin-top:.25rem}
.notif-empty{padding:2rem;text-align:center;color:#9CA3AF;font-size:.85rem}
.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:60px;background:#fff;box-shadow:0 -2px 10px rgba(0,0,0,0.1);z-index:1000;padding-bottom:env(safe-area-inset-bottom)}
.mobile-bottom-nav-inner{display:flex;height:100%}
.mobile-bottom-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:#9CA3AF;font-size:.65rem;gap:2px;transition:color .2s}
.mobile-bottom-item.active{color:#667eea}
.mobile-bottom-item svg{width:22px;height:22px;stroke-width:2px;stroke:currentColor;fill:none}
@media(max-width:768px){.mobile-bottom-nav{display:block}body.has-bottom-nav{padding-bottom:60px}}
@media(prefers-reduced-motion:reduce){.navbar-more-trigger,.navbar-more-chevron,.navbar-more-menu,.navbar-more-item{transition:none}}