:root { --top-h: 60px; }
html { scroll-padding-top: calc(var(--top-h) + 16px); }
.ap-top { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 4px 18px; height: var(--top-h); box-sizing: border-box;
  padding: 0 max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left)); margin: 0;
  background: color-mix(in srgb, var(--paper) 88%, transparent); -webkit-backdrop-filter: saturate(1.3) blur(12px); backdrop-filter: saturate(1.3) blur(12px);
  border-bottom: 1px solid var(--rule); box-shadow: 0 10px 28px -24px rgb(0 0 0 / .45); font: 500 14.5px/1 var(--font); color: var(--ink); }
.ap-top .ap-brand { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; flex: none; color: var(--ink); text-decoration: none; white-space: nowrap; font-weight: 650; letter-spacing: .01em; }
.ap-top .ap-brand .mark { width: 24px; height: 24px; flex: none; color: var(--ink); }
.ap-top .ap-brand b { font-weight: 700; letter-spacing: .02em; }
.ap-top .ap-brand span { display: inline; color: var(--ink-3); font-weight: 500; }
.ap-top .ap-nav { display: flex; align-items: center; gap: 2px; margin: 0 0 0 6px; padding: 0; position: static; background: none; border: 0; flex-direction: row; }
.ap-top .ap-nav a { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; padding: 0 12px;
  border-radius: 8px; color: var(--ink-2); text-decoration: none; white-space: nowrap; transition: color .15s, background-color .15s; }
.ap-top .ap-nav a:hover { color: var(--ink); background: var(--paper-2); }
.ap-top .ap-nav a[aria-current] { color: var(--ink); font-weight: 650; box-shadow: none; }
.ap-top .ap-nav a[aria-current]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 5px; height: 2px; border-radius: 2px; background: var(--ember); }
.ap-top a:focus-visible, .ap-top button:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
.ap-top .ap-user { margin-left: auto; display: flex; align-items: center; gap: 10px; flex: none; }
.ap-top .ap-user > a, .ap-top .ap-user > a.btn.sm { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border-radius: 8px;
  border: 1px solid var(--ember); background: var(--ember); color: #160800; font: 600 14px/1 var(--font); text-decoration: none; white-space: nowrap;
  box-shadow: 0 6px 16px -10px color-mix(in srgb, var(--ember) 80%, transparent); transition: background-color .15s, box-shadow .15s; }
.ap-top .ap-user > a:hover { background: color-mix(in srgb, var(--ember) 88%, var(--ink)); box-shadow: 0 8px 20px -10px color-mix(in srgb, var(--ember) 90%, transparent); }
.ap-top .avatar { width: 44px; height: 44px; padding: 5px; border: 0; border-radius: 50%; background: var(--paper-3, var(--paper-2)) content-box; color: var(--ink); cursor: pointer; overflow: hidden; font: 600 13px/1 var(--font); }
.ap-top .avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 1px var(--rule-2); }
.ap-top .menu { top: calc(var(--top-h) - 4px); }
.ap-top .menu a, .ap-top .menu button { min-height: 44px; display: flex; align-items: center; }
.tabwrap, .secnav { top: var(--top-h); }
.docs nav { top: calc(var(--top-h) + 20px); }

@media (max-width: 720px) {
  :root { --top-h: 97px; }
  .ap-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: 52px 44px; grid-template-areas: "brand user" "nav nav"; column-gap: 12px; row-gap: 0;
    padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left)); }
  .ap-top .ap-brand { grid-area: brand; min-width: 0; }
  .ap-top .ap-user { grid-area: user; margin: 0; }
  .ap-top .ap-user > a, .ap-top .ap-user > a.btn.sm { padding: 0 14px; font-size: 13.5px; }
  .ap-top .ap-nav { grid-area: nav; display: flex; justify-content: space-between; align-items: stretch; margin: 0 calc(-1 * clamp(6px, 2.6vw, 12px)); gap: 0; min-width: 0; }
  .ap-top .ap-nav a { padding: 0 clamp(6px, 2.6vw, 12px); font-size: 15px; border-radius: 6px; }
  .ap-top .ap-nav a[aria-current]::after { left: clamp(6px, 2.6vw, 12px); right: clamp(6px, 2.6vw, 12px); bottom: 0; height: 3px; border-radius: 3px 3px 0 0; }
  .ap-top .menu { top: 50px; right: 12px; }
}
@media (max-width: 340px) { .ap-top .ap-nav a { font-size: 14px; } .ap-top .ap-brand span { display: none; } }
@media (prefers-reduced-motion: reduce) { .ap-top * { transition: none !important; } }