/* Verwaltung: sidebar of owner tools beside the chosen tool's page. */
#admin-page.fz-page {
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 12.5rem minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
  width: 100%;
  max-width: calc(var(--hb-page-max) + 15rem);
  margin-inline: auto;
  padding: 1.5rem var(--hb-page-pad) 4rem;
  color: var(--fz-ink);
  font-family: var(--fz-font);
}
/* The sections bring their own page frame; inside the admin grid the grid is the frame. */
#admin-page .admin-section.fz-page {
  max-width: none;
  margin: 0;
  padding: 0;
}
.admin-content {
  min-width: 0;
}
.admin-nav {
  position: sticky;
  top: 1.5rem;
}
.admin-nav-title {
  margin: 0.4rem 0 0.9rem 0.85rem;
  font: 600 0.75rem/1.2 var(--fz-font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hb-faint);
}
.admin-nav ul {
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.admin-nav a {
  display: grid;
  gap: 0.1rem;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  font: 500 1rem/1.25 var(--fz-font);
  color: var(--hb-muted);
  text-decoration: none;
  transition:
    color 0.2s,
    background 0.2s;
}
.admin-nav a:hover {
  color: var(--hb-ink);
  background: rgba(255, 255, 255, 0.7);
}
.admin-nav a[aria-current="page"] {
  color: var(--hb-ink);
  background: var(--hb-surface);
  box-shadow:
    0 0.35rem 0.9rem -0.5rem rgba(22, 32, 26, 0.45),
    0 0 0 1px rgba(27, 31, 28, 0.06);
}
.admin-nav-unavailable a {
  color: var(--hb-faint);
}
.admin-nav small {
  font: 400 0.8rem/1.3 var(--fz-font);
  color: var(--hb-faint);
}
.admin-unavailable {
  max-width: 36rem;
  color: var(--fz-muted);
}

/* Phones: the sidebar becomes a row of tabs above the page. */
@media (max-width: 760px) {
  #admin-page.fz-page {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    padding-top: 0.5rem;
  }
  .admin-nav {
    position: static;
    min-width: 0;
  }
  .admin-nav-title {
    display: none;
  }
  /* Three or four short tabs: wrap rather than hide one behind a scroll. */
  .admin-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem;
  }
  .admin-nav a {
    min-height: 2.75rem;
    align-content: center;
    padding: 0 0.7rem;
    font-size: 0.95rem;
    border-radius: 999px;
    white-space: nowrap;
  }
  /* Tools of the other machine only take room here; the page itself explains them. */
  .admin-nav-unavailable:not(:has(a[aria-current])) {
    display: none;
  }
  .admin-nav-unavailable small {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .admin-nav a {
    transition: none;
  }
}