/* Header utilities use each page's existing brand palette and navigation. */
.ktb-header-preferences{display:flex;align-items:center;flex:none;gap:4px;margin-inline-start:auto}
.ktb-preference{position:relative;flex:none}
.ktb-preference-trigger{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;flex:none;inline-size:44px;block-size:44px;min-inline-size:44px;min-block-size:44px;padding:0;border:1px solid transparent;border-radius:8px;background:transparent;color:inherit;font:600 13px/1.2 system-ui,-apple-system,sans-serif;cursor:pointer}
.ktb-preference-trigger svg,.ktb-preference-menu svg{display:block;flex:none;inline-size:20px;block-size:20px}
.ktb-preference-trigger:hover,.ktb-preference-trigger[aria-expanded=true]{background:color-mix(in srgb,currentColor 9%,transparent)}
.ktb-preference-trigger:focus-visible,.ktb-preference-menu button:focus-visible{outline:2px solid var(--ktb-focus,currentColor);outline-offset:3px}
.ktb-preference-menu{box-sizing:border-box;position:absolute;inset-block-start:calc(100% + 8px);inset-inline-end:0;z-index:200;min-inline-size:176px;max-inline-size:calc(100vw - 24px);padding:6px;border:1px solid var(--ktb-header-line,var(--border,var(--line,GrayText)));border-radius:10px;box-shadow:0 8px 28px #0002;background:var(--ktb-header-paper,var(--surface,var(--paper,Canvas)));color:var(--ktb-header-ink,var(--text,var(--ink,CanvasText)));font:14px/1.4 system-ui,-apple-system,sans-serif}
.ktb-preference-menu[hidden]{display:none!important}
.ktb-preference-menu button{box-sizing:border-box;display:flex;align-items:center;gap:10px;inline-size:100%;min-block-size:44px;padding:8px 12px;border:0;border-radius:6px;background:transparent;color:inherit;font:inherit;text-align:start;cursor:pointer}
.ktb-preference-menu button:hover,.ktb-preference-menu [aria-checked=true]{background:color-mix(in srgb,currentColor 9%,transparent)}
.ktb-preference-menu [aria-checked=true]::after{content:'✓';margin-inline-start:auto}
.site-header[data-preferences-ready] .nav-identity{flex:1;min-inline-size:0}
.site-header[data-preferences-ready] .site-product-brand{flex-shrink:1;min-inline-size:0;line-height:1.25;white-space:normal}
.ktb-header[data-header-menu][data-preferences-ready]>[data-header-panel]{margin-inline-start:auto}
.ktb-doc-header[data-preferences-ready] .ktb-doc-header__inner{gap:8px}
.ktb-doc-header[data-preferences-ready] .ktb-doc-brand{flex-shrink:1;min-inline-size:0}
.task-guide header[data-preferences-ready]{gap:12px}
.task-guide header[data-preferences-ready] nav{margin-inline-start:0}
.task-guide header[data-preferences-ready] [hidden]{display:none!important}
@media(max-width:900px){
  .ktb-header[data-header-menu][data-preferences-ready]{gap:4px}
  .ktb-header[data-header-menu][data-preferences-ready]>[data-header-panel]{margin-inline-start:0}
  .ktb-header[data-preferences-ready]>.wordmark,.ktb-header[data-preferences-ready]>.signature{flex:1;min-inline-size:0}
  .ktb-header[data-preferences-ready]>.wordmark span{min-inline-size:0;white-space:normal;line-height:1.25}
}
@media(max-width:600px){
  .task-guide header[data-preferences-ready]>.brand{flex:1;min-inline-size:0}
  .task-guide header[data-preferences-ready]>nav{flex-basis:100%;justify-content:flex-end}
}
@media(forced-colors:active){.ktb-preference-menu{background:Canvas;color:CanvasText;border-color:CanvasText}.ktb-preference-trigger:focus-visible,.ktb-preference-menu button:focus-visible{outline-color:Highlight}}