:root{--vk-nav-h:72px;--vk-nav-h-mobile:64px}@media (max-width:768px){:root{--vk-nav-h:var(--vk-nav-h-mobile)}}.vk-navbar{z-index:50;height:var(--vk-nav-h);background:#fff;border-bottom:1px solid #d6e1ff;position:sticky;top:0;box-shadow:0 2px 12px #2f6fed14}.vk-nav-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1280px;height:100%;margin:0 auto;padding:0 16px;display:flex}.vk-logo{flex-shrink:0;align-items:center;gap:8px;text-decoration:none;transition:opacity .2s;display:inline-flex}.vk-logo:hover{opacity:.9}.vk-logo-img{object-fit:contain;object-position:left center;width:auto;max-width:160px;height:44px;display:block}@media (max-width:768px){.vk-logo-img{max-width:130px;height:38px}}.vk-search-wrap{flex:1;max-width:360px;display:none}@media (min-width:769px){.vk-search-wrap{display:block}}.vk-search{color:#1f2937;background:#f7faff;border:1px solid #d6e1ff;border-radius:10px;width:100%;padding:10px 14px 10px 36px;font-size:.9rem;transition:border-color .2s,box-shadow .2s}.vk-search::placeholder{color:#6b7280}.vk-search:focus{border-color:#2f6fed;outline:none;box-shadow:0 0 0 3px #2f6fed26}.vk-search-box{position:relative}.vk-search-icon{color:#6b7280;pointer-events:none;width:18px;height:18px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.vk-links{align-items:center;gap:4px;display:none}@media (min-width:769px){.vk-links{display:flex}}.vk-icon-btn{color:#4b5563;cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-size:.875rem;font-weight:500;text-decoration:none;transition:background .2s,color .2s;display:inline-flex}.vk-icon-btn:hover{color:#2f6fed;background:#f7faff}.vk-icon-btn svg{flex-shrink:0;width:20px;height:20px}.vk-icon-btn-bell{position:relative}.vk-badge{color:#fff;background:#ef4444;border-radius:8px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:10px;font-weight:700;display:flex;position:absolute;top:4px;right:4px}.vk-user-wrap{flex-shrink:0;position:relative}.vk-avatar{object-fit:cover;background:linear-gradient(135deg,#2f6fed,#5aa5ff);border-radius:50%;width:40px;height:40px;display:block}.vk-avatar-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#2f6fed,#5aa5ff);border:2px solid #d6e1ff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:.9rem;font-weight:700;transition:border-color .2s,box-shadow .2s;display:flex;overflow:hidden}.vk-avatar-btn:hover{border-color:#2f6fed;box-shadow:0 0 0 3px #2f6fed33}.vk-dropdown{z-index:60;background:#fff;border:1px solid #d6e1ff;border-radius:12px;min-width:180px;padding:6px 0;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 10px 30px #0000001f}.vk-dropdown-item{color:#1f2937;text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:10px 16px;font-size:.9rem;font-weight:500;text-decoration:none;transition:background .2s;display:block}.vk-dropdown-item:hover{background:#f7faff}.vk-dropdown-item.logout{color:#dc2626}.vk-login-btn{color:#fff;background:linear-gradient(135deg,#2f6fed,#5aa5ff);border-radius:10px;align-items:center;padding:8px 16px;font-size:.9rem;font-weight:600;text-decoration:none;transition:opacity .2s,box-shadow .2s;display:inline-flex}.vk-login-btn:hover{opacity:.95;box-shadow:0 4px 12px #2f6fed4d}.vk-nav-skeleton{align-items:center;gap:16px;width:100%;display:flex}.vk-skeleton-logo{background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 50%,#e5e7eb 75%) 0 0/200% 100%;border-radius:6px;width:100px;height:24px;animation:1.2s ease-in-out infinite vk-skeleton}.vk-skeleton-spinner{border:2px solid #d6e1ff;border-top-color:#2f6fed;border-radius:50%;width:24px;height:24px;animation:.8s linear infinite vk-spin}@keyframes vk-skeleton{to{background-position:200% 0}}@keyframes vk-spin{to{transform:rotate(360deg)}}.vk-mobile-btn{color:#4b5563;cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;transition:background .2s,color .2s;display:flex}@media (min-width:769px){.vk-mobile-btn{display:none}}.vk-mobile-btn:hover,.vk-mobile-btn[aria-expanded=true]{color:#2f6fed;background:#f7faff}.vk-mobile-btn svg{width:24px;height:24px}.vk-mobile-panel{top:var(--vk-nav-h);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:45;background:#fffffffa;padding:24px;display:none;position:fixed;bottom:0;left:0;right:0;overflow-y:auto}.vk-mobile-panel.is-open{display:block}@media (min-width:769px){.vk-mobile-panel{display:none!important}}.vk-mobile-panel .vk-search-wrap{max-width:100%;margin-bottom:24px;display:block}.vk-mobile-panel .vk-links{flex-direction:column;gap:4px;margin-bottom:24px;display:flex}.vk-mobile-panel .vk-icon-btn{justify-content:flex-start;width:100%;padding:12px 16px}.vk-mobile-panel .vk-user-wrap{border-top:1px solid #e5e7eb;margin-top:16px;padding-top:16px}.vk-mobile-panel .vk-dropdown{box-shadow:none;border:none;padding:0;position:static}