.navigation-start{display:flex;align-items:center;gap:12px;min-width:0}
.p-header .navigation-start{margin-right:auto}
.p-header .navigation-back{color:inherit;border-color:currentColor}
.navigation-back{display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;border:1px solid var(--line,#d9d8d3);border-radius:50%;color:var(--ink,#19191c);background:transparent;text-decoration:none;transition:background-color .18s ease,color .18s ease}
.navigation-back[hidden]{display:none!important}
.navigation-back svg{display:block;width:24px;height:24px;flex:none}
.navigation-back:hover{background:var(--hover,var(--card,#eeede8))}
.navigation-back:focus-visible{outline:2px solid var(--accent,#b91e31);outline-offset:4px}
@media(max-width:520px){.navigation-start{gap:8px;flex:1}.navigation-start .studio-brand{flex-shrink:1;min-width:0}.navigation-back{flex-basis:40px;width:40px;height:40px}}
@media(max-width:400px){.p-header .navigation-start:has(.navigation-back:not([hidden])) .p-brand{display:none}}
@media(prefers-reduced-motion:reduce){.navigation-back{transition:none}}