@layer components{.site-header__cluster{display:flex;align-items:center;gap:1.5rem}}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(252,249,246,.92);backdrop-filter:saturate(150%) blur(10px);-webkit-backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid rgba(24,20,20,.1);transition:transform .28s ease}.cats-scrolled .site-header{transform:translateY(-100%)}.dark .site-header{background:rgba(1,36,55,.92);border-bottom-color:rgba(252,249,246,.1)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;max-width:1280px;margin:0 auto;padding:0 2.5rem;height:68px}.site-header__brand{display:flex;align-items:center;gap:.875rem;text-decoration:none;flex-shrink:0}.site-header__logo{height:22px;width:auto;display:block;flex-shrink:0}.dark .site-header__logo{filter:brightness(0) invert(1)}.site-header__divider{width:1px;height:22px;background:rgba(24,20,20,.24);flex-shrink:0}.dark .site-header__divider{background:rgba(252,249,246,.24)}.site-header__product{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;letter-spacing:-.04em;color:var(--n4j-black);line-height:1}.dark .site-header__product{color:var(--n4j-cream)}.site-header__nav{display:flex;align-items:center;gap:2.25rem;margin-left:2.5rem}@media (max-width:1020px){.site-header__nav{display:none}}.site-header__hamburger{display:none;align-items:center;justify-content:center;width:36px;height:36px;background:none;border:none;cursor:pointer;border-radius:6px;color:var(--text-secondary);transition:background .15s,color .15s}.site-header__hamburger:hover{background:rgba(24,20,20,.06);color:var(--n4j-black)}.dark .site-header__hamburger:hover{background:rgba(252,249,246,.08);color:var(--n4j-cream)}@media (max-width:1020px){.site-header__hamburger{display:flex}}.site-header__mobile-nav{display:flex;flex-direction:column;border-top:1px solid rgba(24,20,20,.1);background:rgba(252,249,246,.98);padding:.5rem 0 1rem}.dark .site-header__mobile-nav{background:rgba(1,36,55,.98);border-top-color:rgba(252,249,246,.1)}.site-header__mobile-link{display:block;padding:.875rem 2.5rem;font-size:.9375rem;font-weight:500;color:var(--n4j-black);text-decoration:none;transition:color .15s}.dark .site-header__mobile-link{color:var(--n4j-cream)}.site-header__mobile-link:hover{color:var(--n4j-baltic)}.dark .site-header__mobile-link:hover{color:var(--n4j-light-baltic)}.site-header__link{font-size:.875rem;color:var(--n4j-black);text-decoration:none;font-weight:500;transition:color .15s}.dark .site-header__link{color:rgba(252,249,246,.85)}.site-header__link:hover{color:var(--n4j-baltic)}.dark .site-header__link:hover{color:var(--n4j-light-baltic)}.site-header__actions{display:flex;align-items:center;gap:1.5rem;flex-shrink:0}.site-header__signin{font-size:.875rem;font-weight:600;color:var(--n4j-baltic);background:none;border:none;cursor:pointer;padding:0;text-decoration:none;transition:color .15s;display:inline-flex;align-items:center}.dark .site-header__signin{color:var(--n4j-light-baltic)}.site-header__signin:hover{color:var(--n4j-dark-baltic)}.dark .site-header__signin:hover{color:#ffffff}.user-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0}.user-avatar--small{width:26px;height:26px}.user-avatar--image{object-fit:cover;border:2px solid var(--border)}.user-avatar--initials{display:inline-flex;align-items:center;justify-content:center;background:var(--brand-blue);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.02em;border:2px solid transparent}.user-menu{position:relative}.user-menu__trigger{display:flex;align-items:center;gap:.5rem;background:none;border:none;cursor:pointer;padding:4px 8px 4px 4px;border-radius:9999px;transition:background .15s;color:var(--text-secondary)}.user-menu__trigger:hover{background:var(--bg-subtle);color:var(--text-primary)}.user-menu__name{font-size:.875rem;font-weight:500;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu__chevron{color:#9ca3af;transition:transform .2s}.user-menu__chevron--open{transform:rotate(180deg)}.user-menu__dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:220px;background:var(--popover);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.12),0 2px 8px rgba(0,0,0,.06);z-index:100;overflow:hidden;animation:dropdown-in .12s ease}.dark .user-menu__dropdown{box-shadow:0 8px 32px rgba(0,0,0,.5),0 2px 8px rgba(0,0,0,.4)}@keyframes dropdown-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.user-menu__header{display:flex;align-items:center;gap:.75rem;padding:12px 16px}.user-menu__display-name{font-size:.875rem;font-weight:600;color:var(--text-primary);line-height:1.3}.user-menu__email{font-size:.75rem;color:var(--text-tertiary);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}.user-menu__divider{height:1px;background:var(--border);margin:2px 0}.user-menu__item{display:block;width:100%;text-align:left;padding:11px 16px;font-size:.875rem;color:var(--text-secondary);text-decoration:none;background:none;border:none;cursor:pointer;transition:background .1s,color .1s;box-sizing:border-box}.user-menu__item:hover{background:var(--bg-subtle);color:var(--text-primary)}.user-menu__item--signout{color:var(--state-danger-icon)}.user-menu__item--signout:hover{background:var(--state-danger-bg);color:var(--state-danger-fg)}.dark .user-menu__item--signout{color:var(--state-danger-icon)}.dark .user-menu__item--signout:hover{background:var(--state-danger-bg);color:var(--state-danger-fg)}.user-menu__theme{display:flex;align-items:center;justify-content:space-between;padding:6px 16px}.user-menu__theme-label{font-size:.8125rem;color:var(--text-tertiary)}.user-menu__theme-options{display:flex;gap:1px;background:var(--border);border-radius:6px;padding:1px}.user-menu__theme-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:none;cursor:pointer;border-radius:5px;color:var(--text-tertiary);transition:background .1s,color .1s}.user-menu__theme-btn:hover{color:var(--text-primary)}.user-menu__theme-btn--active{background:var(--background);color:var(--text-primary);box-shadow:0 1px 2px rgba(0,0,0,.1)}.dark .user-menu__theme-btn--active{background:var(--muted);color:var(--text-primary);box-shadow:0 1px 3px rgba(0,0,0,.4)}