.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:var(--space-3) 0;background:var(--c-nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--c-border-subtle);transition:background-color .3s var(--ease-out)}.nav-inner{display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:var(--space-2);text-decoration:none}.nav-logo{width:24px;height:24px;color:var(--icon-brand);transition:color .3s var(--ease-out)}.nav-brand:hover .nav-logo{color:var(--icon-brand-hover)}.nav-title{font-family:var(--font-sans);font-size:16px;font-weight:600;letter-spacing:-.02em;color:var(--c-text)}.nav-links{display:flex;align-items:center;gap:var(--space-5);list-style:none;margin:0;padding:0}.nav-links a{font-size:14px;font-weight:400;color:var(--c-text-secondary);transition:color var(--duration-fast) var(--ease-out);text-decoration:none}.nav-links a:hover{color:var(--icon-brand)}.nav-links a.nav-link-primary{font-weight:600;color:var(--icon-brand);background:var(--c-accent-dim);padding:6px 16px;border-radius:8px;transition:all .2s ease}.nav-links a.nav-link-primary:hover{background:var(--icon-brand);color:#fff;transform:translateY(-1px)}.nav-right{display:flex;align-items:center;gap:16px}.nav-login{font-size:13px;font-weight:500;color:var(--c-text-secondary);text-decoration:none;padding:6px 16px;border:1px solid var(--c-border);border-radius:8px;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;height:36px;background:transparent}.nav-login:hover{color:var(--c-text);border-color:var(--c-text);background:var(--c-surface)}.nav-user{display:flex;align-items:center;gap:12px}.nav-user-name{font-size:13px;color:var(--c-text-secondary);text-decoration:none;transition:color .3s ease;font-weight:500}.nav-user-name:hover{color:var(--c-text)}.nav-logout{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--c-text-secondary);transition:color .3s ease;cursor:pointer}.nav-logout:hover{color:var(--c-text)}.nav-cta{display:inline-flex;align-items:center;gap:var(--space-1);padding:8px 16px;background:linear-gradient(135deg,#4a6fa5,#3d5a8a);color:#fff;font-size:13px;font-weight:500;border-radius:8px;transition:all var(--duration-fast) var(--ease-out);box-shadow:0 2px 8px #4a6fa533;text-decoration:none;height:36px}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 12px #4a6fa54d;color:#fff}.nav-switcher-group{display:flex;align-items:center;gap:2px;padding:3px;background:var(--c-bg);border:1px solid var(--c-border-subtle);border-radius:22px;box-shadow:var(--shadow-sm);transition:all .3s ease}.nav-switcher-group:hover{box-shadow:var(--shadow-md);border-color:var(--c-border)}#languageSwitcherContainer{display:flex;align-items:center}.nav-switcher-group .language-switcher{height:28px!important;padding:0 10px!important;border-radius:14px!important;background:transparent!important;border:none!important;display:flex!important;align-items:center!important;justify-content:center!important;cursor:pointer;transition:all .2s ease;color:var(--c-text-secondary)!important;font-size:13px!important;font-weight:500!important;font-family:var(--font-sans)}.nav-switcher-group .language-switcher:hover{background:var(--c-accent-dim)!important;color:var(--c-text)!important}.nav-switcher-group .language-switcher .lang-icon{display:none!important}.nav-switcher-group .theme-toggle{width:28px;height:28px;border-radius:50%;background:transparent;border:none;color:var(--c-text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;padding:0}.nav-switcher-group .theme-toggle:hover{background:var(--c-accent-dim);color:var(--c-text);transform:scale(1.05)}.nav-switcher-group #themeIcon{width:16px;height:16px;stroke:currentColor;stroke-width:1.5;fill:none}.mobile-nav-actions{display:none;align-items:center;gap:4px}.mobile-nav-actions .mobile-menu-btn{width:40px;height:40px;background:transparent;border:none;border-radius:8px;color:var(--c-text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;text-decoration:none}.nav-menu-btn{display:none;background:none;border:none;color:var(--c-text);cursor:pointer;padding:8px}.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--c-surface);border-top:1px solid var(--c-border-subtle);box-shadow:var(--shadow-lg);padding:16px;flex-direction:column;gap:4px;z-index:99}.mobile-menu.open{display:flex}.mobile-menu-link{display:block;padding:12px 16px;color:var(--c-text-secondary);text-decoration:none;font-size:15px;font-weight:500;border-radius:8px;transition:all .2s ease}.mobile-menu-link:hover{background:var(--c-accent-dim);color:var(--c-text)}.mobile-menu-link-primary{font-weight:600;color:var(--icon-brand);background:var(--c-accent-dim)}.mobile-menu-link-primary:hover{background:var(--icon-brand);color:#fff}.mobile-menu-divider{height:1px;background:var(--c-border-subtle);margin:8px 0}.mobile-menu-cta{display:flex;align-items:center;justify-content:center;padding:12px 20px;background:linear-gradient(135deg,#4a6fa5,#3d5a8a);color:#fff;text-decoration:none;font-size:14px;font-weight:600;border-radius:8px;transition:all .2s ease}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#0000004d;z-index:98}.mobile-menu-overlay.open{display:block}@media (max-width: 960px){.nav-links,.nav-cta,.nav-login,.nav-user,.nav-switcher-group{display:none!important}.nav-menu-btn{display:block}.mobile-nav-actions{display:flex}}