:root{--nem-bg:#ffffff;--nem-fg:#1a1a2e;--nem-accent:#4a9eff;--nem-border:#e2e8f0;--nem-surface:#f8fafc}.dark{--nem-bg:#1a1a2e;--nem-fg:#f0f0f5;--nem-accent:#4a9eff;--nem-border:#2d2d4a;--nem-surface:#16213e}#nem-nav-shell-root{position:fixed;top:0;left:0;right:0;height:60px;background-color:var(--nem-bg);color:var(--nem-fg);z-index:9999;font-family:system-ui,sans-serif;box-sizing:border-box;border-bottom:1px solid var(--nem-border)}#nem-nav-shell-root *{box-sizing:border-box}.nem-nav-left{display:flex;align-items:center;gap:15px}.nem-nav-logo{font-weight:700;font-size:1.2rem;letter-spacing:1px}.nem-nav-active-app{color:var(--nem-accent);font-size:0.9rem;background:rgba(74,158,255,0.1);padding:4px 10px;border-radius:12px}.nem-nav-center{display:flex;gap:10px}.nem-nav-right{display:flex;align-items:center;gap:20px}.nem-nav-notifications{position:relative;cursor:pointer;font-size:1.2rem;background:transparent;border:none;color:var(--nem-fg);padding:4px;border-radius:6px;font-family:inherit}.nem-nav-notifications:focus-visible{outline:2px solid var(--nem-accent);outline-offset:2px}.nem-nav-badge{position:absolute;top:-8px;right:-10px;background:#e63946;color:white;font-size:0.7rem;font-weight:bold;padding:2px 6px;border-radius:10px;display:none}.nem-nav-badge.has-count{display:block}.nem-nav-user{display:flex;align-items:center;gap:10px}.nem-nav-avatar{width:32px;height:32px;border-radius:50%;background:var(--nem-accent);display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:0.9rem;color:#ffffff}.nem-nav-username{font-size:0.9rem}.nem-nav-logout{background:transparent;border:1px solid var(--nem-accent);color:var(--nem-accent);padding:6px 16px;border-radius:6px;cursor:pointer;transition:all 0.2s ease;font-size:0.85rem;font-weight:600;font-family:inherit}.nem-nav-logout:hover{background:var(--nem-accent);color:white}.nem-nav-logout:focus-visible{outline:2px solid var(--nem-accent);outline-offset:2px}#nem-breadcrumb-bar{position:fixed;top:60px;left:0;right:0;z-index:9998;background-color:var(--nem-surface);border-bottom:1px solid var(--nem-border);padding:6px 20px}body.nem-nav-shell-active{padding-top:96px !important}.nem-breadcrumbs{font-size:0.82rem}.nem-breadcrumbs-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;flex-wrap:wrap;gap:4px}.nem-breadcrumbs-item{display:flex;align-items:center;gap:4px}.nem-breadcrumbs-link{color:var(--nem-accent);text-decoration:none;transition:opacity 0.15s ease}.nem-breadcrumbs-link:hover{opacity:0.75;text-decoration:underline}.nem-breadcrumbs-sep{color:var(--nem-border);margin-left:4px;user-select:none}.nem-breadcrumbs-current{color:var(--nem-fg);opacity:0.7}.nem-hamburger{display:none;background:transparent;border:none;color:var(--nem-fg);cursor:pointer;padding:6px;border-radius:6px;align-items:center;justify-content:center;transition:background 0.15s ease;font-family:inherit}.nem-hamburger:hover{background:var(--nem-surface)}.nem-hamburger-icon{width:22px;height:22px;display:block}.nem-hamburger .nem-hamburger-close{display:none}.nem-hamburger.is-open .nem-hamburger-open{display:none}.nem-hamburger.is-open .nem-hamburger-close{display:block}.nem-mobile-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:9997}.nem-mobile-overlay.is-visible{display:block}.nem-mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--nem-bg);border-right:1px solid var(--nem-border);z-index:9998;transform:translateX(-100%);transition:transform 0.25s ease;display:flex;flex-direction:column;padding:20px 16px;gap:16px;overflow-y:auto}.nem-mobile-drawer.is-open{transform:translateX(0)}.nem-mobile-drawer-user{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--nem-border)}.nem-mobile-user-info{display:flex;flex-direction:column;gap:2px}.nem-mobile-user-name{font-weight:600;font-size:0.95rem;color:var(--nem-fg)}.nem-mobile-user-email{font-size:0.78rem;color:var(--nem-fg);opacity:0.6}.nem-mobile-drawer-apps{display:flex;flex-direction:column;gap:6px;flex:1}.nem-mobile-app-btn{background:transparent;border:1px solid transparent;color:var(--nem-fg);padding:10px 14px;border-radius:8px;font-size:0.9rem;cursor:pointer;text-align:left;transition:all 0.15s ease;font-family:inherit}.nem-mobile-app-btn:hover{background:var(--nem-surface);border-color:var(--nem-border)}.nem-mobile-app-btn.active{background:var(--nem-accent);color:#ffffff}.nem-mobile-logout{background:transparent;border:1px solid var(--nem-accent);color:var(--nem-accent);padding:10px 16px;border-radius:6px;cursor:pointer;font-size:0.85rem;font-weight:600;font-family:inherit;transition:all 0.2s ease}.nem-mobile-logout:hover{background:var(--nem-accent);color:#ffffff}@media (max-width:768px){.nem-hamburger{display:flex}.nem-nav-center,.nem-nav-user,.nem-nav-logout{display:none}}