.docheader{--docheader-min-height:64px;--docheader-block-height:var(--docheader-min-height);position:relative;isolation:isolate;width:100%;background:var(--surface);border-bottom:1px solid var(--border-default)}.docheader,.docheader *,.docheader :after,.docheader :before{box-sizing:border-box}.docheader__bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-4);max-width:var(--nav-menu-content-max,80rem);min-height:var(--docheader-min-height);margin:0 auto;padding-block:var(--space-3);padding-inline:max(var(--space-8),env(safe-area-inset-left)) max(var(--space-8),env(safe-area-inset-right))}.docheader__logo{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:var(--radius-lg);-webkit-tap-highlight-color:transparent}.docheader__logo-mark{display:block;border-radius:var(--radius-md);-o-object-fit:contain;object-fit:contain}.docheader__categories{position:relative;flex:1 0 auto;min-width:-moz-max-content;min-width:max-content}.docheader__categories:after{display:none;position:absolute;inset-block:0;inset-inline-end:0;width:1.5rem;pointer-events:none;content:"";background:linear-gradient(90deg,transparent,var(--surface))}.docheader__categories-list{position:relative;display:flex;align-items:center;gap:var(--space-1);list-style:none;margin:0;padding:0;overflow:visible;scrollbar-width:none;-webkit-overflow-scrolling:touch}.docheader__categories-list::-webkit-scrollbar{display:none}.docheader__category-item{flex-shrink:0}.docheader__category-link{position:relative;z-index:1;display:inline-flex;align-items:center;min-height:44px;padding-inline:var(--space-3);border-radius:var(--radius-lg);color:var(--ink-600);font:600 .875rem/1 -apple-system,BlinkMacSystemFont,SF Pro Text,Inter,ui-sans-serif,Segoe UI,sans-serif;text-decoration:none;white-space:nowrap;transition:color .15s ease}.docheader__category-link:hover{color:var(--ink-900)}.docheader__category-link[aria-current=page]{color:var(--primary-600);font-weight:700}.docheader__category-link--highlighted{color:var(--primary-600)}.docheader__category-pill{position:absolute;inset-block:0;left:0;z-index:0;pointer-events:none;border-radius:var(--radius-lg);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--primary-600) 45%,transparent);transition:opacity .15s ease}.docheader__category-pill--slide{transition:transform .2s ease-out,width .2s ease-out,opacity .2s ease-out}.docheader__actions{display:flex;flex-shrink:0;align-items:center;gap:var(--space-2)}.docheader__ask,.docheader__search{display:inline-flex;align-items:center;gap:var(--space-2);min-height:44px;min-width:44px;padding-inline:var(--space-3);border:1px solid transparent;border-radius:var(--radius-lg);background:transparent;color:var(--ink-600);font:600 .875rem/1 -apple-system,BlinkMacSystemFont,SF Pro Text,Inter,ui-sans-serif,Segoe UI,sans-serif;cursor:pointer;transition:color .15s ease,background-color .15s ease}.docheader__ask:hover,.docheader__search:hover{color:var(--ink-900);background:var(--surface-hover)}.docheader__search-label{white-space:nowrap}.docheader__search-legacy-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.docheader__kbd{justify-content:center;min-width:1.75rem;padding-inline:.35rem;border:1px solid var(--kbd-border);border-radius:var(--radius-sm);background:var(--kbd-bg);color:var(--kbd-text);box-shadow:var(--kbd-shadow);font:600 .75rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.docheader__kbd,.docheader__signin{display:inline-flex;align-items:center}.docheader__signin{min-height:44px;padding-inline:var(--space-4);border-radius:var(--radius-lg);background:var(--primary-600);color:var(--text-on-brand);font:600 .875rem/1 -apple-system,BlinkMacSystemFont,SF Pro Text,Inter,ui-sans-serif,Segoe UI,sans-serif;text-decoration:none;transition:background-color .15s ease}.docheader__signin:hover{background:var(--primary-700)}.docheader :where(a,button):focus-visible{outline:var(--focus-ring-width,2px) solid var(--focus-ring,#0E66FF);outline-offset:var(--focus-ring-offset,2px)}@media (prefers-reduced-motion:reduce){.docheader *,.docheader :after,.docheader :before{transition-duration:.001ms!important;animation-duration:.001ms!important;scroll-behavior:auto!important}}@media (max-width:640px){.docheader__search-label{display:none}.docheader__search{min-width:44px;padding-inline:var(--space-2)}}@media print{.docheader{display:none}}.docheader__category-link .navigation-dropdown__chevron{margin:0;align-self:center;vertical-align:middle}.docheader__mobile-menus:empty{display:none}@media (max-width:1023px){.docheader__actions{flex-wrap:wrap;min-width:0;max-width:100%}}@media (max-height:32rem) and (pointer:coarse),(max-width:52rem){.docheader__categories,.docheader__mobile-menus{display:none}}.docheader__menu-button{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--border-default);border-radius:var(--radius-lg);background:var(--surface);color:var(--ink-900)}.docheader__menu-button svg{width:20px;height:20px}.docheader__menu-button:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}@media (max-width:1279px){.docheader__categories{display:none}.docheader__bar{gap:var(--space-2);padding-block:var(--space-2);min-height:64px;flex-wrap:nowrap;padding-inline:max(var(--space-4),env(safe-area-inset-left)) max(var(--space-4),env(safe-area-inset-right))}.docheader__actions{margin-inline-start:auto;flex:none}.docheader__actions .docheader__ask,.docheader__actions .docheader__signin{display:none}.docheader__menu-button{display:inline-flex}.docheader__mobile-menus{display:none}}