/* Apply the fixed-header offset once, including native anchor navigation. */
html { scroll-padding-top: var(--pc-anchor-offset, 80px); }
body section[id] { scroll-margin-top: 0 !important; }
#ft-toc::before { pointer-events: none; }
#ft-toc .ft-toc-link:focus-visible { outline: 2px solid #2f6fed; outline-offset: 2px; }
/* Keep the template's original rail position, link sizing and 1408px breakpoint. */

/* Compact primary navigation; full chapter links remain in the menu and rail. */
.ft-navbar-left { flex: 1 1 auto; }
.ft-brand, .ft-nav-links a, .ft-navbar-actions a { white-space: nowrap; }
.ft-brand, .ft-navbar-actions, .ft-navbar-toggle { flex-shrink: 0; }
.ft-navbar-actions { margin-left: auto; }
.ft-navbar .ft-navbar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.ft-navbar .ft-nav-mobile {
  max-height: calc(100dvh - 4.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}
@media screen and (min-width: 1024px) {
  .ft-navbar .ft-nav-links,
  .ft-navbar .ft-navbar-actions { display: flex; }
  .ft-navbar .ft-nav-mobile {
    position: absolute;
    right: max(24px, calc((100vw - 1280px) / 2 + 48px));
    top: 4.5rem;
    width: 280px;
    padding: 12px;
    border: 1px solid #e4e8ed;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(18, 32, 51, .1);
  }
}