.page-header{--page-header-action-size:2.75rem;--page-header-container-min-block-size:calc(var(--page-header-action-size) + var(--page-margin-y,.5rem));z-index:9999;background-color:var(--ui-bg);width:100%;height:auto;box-shadow:var(--ui-shadow);margin-bottom:.5rem;padding:.25rem 0;position:sticky;top:0}.page-header .header-container{width:100%;min-block-size:var(--page-header-container-min-block-size);grid-template-columns:minmax(0,1fr);align-items:center;display:grid}.page-header .header-container .header-main{text-align:center;grid-area:1/1;width:100%}.page-header .header-container .header-main .page-title{flex-direction:column;gap:.25rem;display:flex}.page-header .header-container .header-left,.page-header .header-container .header-right{z-index:1;grid-area:1/1;width:max-content}.page-header .header-container .header-left{justify-self:start}.page-header .header-container .header-right{justify-self:end}.page-header .page-parent-link{width:fit-content;margin-right:.25rem;padding:.125rem}.page-header .page-title h1{margin:0;font-size:1.5rem;font-weight:600;line-height:1.2}.page-header .page-subtitle{color:var(--ui-text-toned);margin-left:.25rem;font-size:.875rem;line-height:1.2}