.admin-layout { min-height: 100dvh; }

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  padding-top: calc(var(--space-3) + env(safe-area-inset-top));
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-hairline);
}
@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .admin-topbar {
    background: var(--color-background-translucent);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    backdrop-filter: blur(18px) saturate(1.4);
  }
}
.admin-topbar__menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1.5px solid var(--color-control-border);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-heading);
  cursor: pointer;
  transition: background-color var(--transition-base);
}
.admin-topbar__menu:hover { background: var(--color-cream); }
.admin-topbar__title { font-family: var(--font-heading); font-size: 1.125rem; margin-inline-end: auto; }
.admin-topbar .brand { margin-inline-start: auto; }
.admin-topbar .brand__tagline { display: none; }

.admin-shell { display: flex; }

.admin-sidebar {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 50;
  width: min(18rem, 85vw);
  background: var(--color-surface);
  border-inline-end: 1px solid var(--color-divider-soft);
  padding: var(--space-4);
  overflow-y: auto;
  transform: translateX(-105%);
  transition: transform 0.2s ease;
}
.admin-sidebar.is-open { transform: translateX(0); }
.admin-backdrop {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgb(25 10 14 / 0.4);
}

.admin-nav { display: flex; flex-direction: column; min-height: 100%; }
.admin-nav__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.admin-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-control);
  color: var(--color-heading);
  text-decoration: none;
  border-inline-start: 4px solid transparent;
  transition: background-color var(--transition-base);
}
.admin-nav__link .icon { color: var(--color-brand-strong); }
.admin-nav__link:hover { background: var(--color-cream); }
.admin-nav__link--active {
  background: var(--color-cream);
  color: var(--color-brand-strong);
  font-weight: 700;
  border-inline-start-color: var(--color-brand);
}
.admin-nav__link--button { border: 0; border-inline-start: 4px solid transparent; background: none; font: inherit; cursor: pointer; width: 100%; text-align: start; }
.admin-nav__link--button:hover { background: var(--color-cream); }
.admin-nav__form { margin: 0; }
.admin-nav__footer { margin-top: auto; padding-top: var(--space-5); }

.admin-content { flex: 1; min-width: 0; }
.admin-main { padding: var(--space-5) var(--space-4) var(--space-8); }
.admin-main .section-header__title { font-size: var(--text-3xl); }

@media (min-width: 48rem) {
  .admin-main { padding: var(--space-6); }
}

.admin-list { list-style: none; margin: var(--space-4) 0; padding: 0; display: grid; gap: var(--space-2); }
.admin-list__item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-divider-soft);
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}
.admin-list__name { font-weight: 600; }
.admin-list__meta { color: var(--color-muted); font-size: 0.875rem; margin-inline-end: auto; }

.form-section { margin-bottom: var(--space-6); }

.auth-layout {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  padding-top: calc(var(--space-4) + env(safe-area-inset-top));
  padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  background: var(--color-cream);
}
.auth-main { width: 100%; max-width: 26rem; }
.auth-card .brand { justify-content: center; width: 100%; }
.auth-card .form-actions .button { width: 100%; }
.auth-card {
  width: 100%;
  max-width: 26rem;
  background: var(--color-surface);
  background-image: radial-gradient(circle at 50% 0%, var(--color-brand-tint), transparent 55%);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card-lg);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-raised);
}
.auth-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-5);
  font-size: var(--text-2xl);
  text-align: center;
}
.auth-title__icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 1.5px solid var(--color-control-border);
  border-radius: 50%;
  background: var(--color-background);
  color: var(--color-brand-strong);
}
.auth-title__icon .icon { width: var(--icon-size-small); height: var(--icon-size-small); }
.auth-back { margin-top: var(--space-4); text-align: center; }
.auth-back a { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 600; }

@media (min-width: 48rem) {
  .admin-topbar__menu { display: none; }
  .admin-sidebar {
    position: sticky;
    top: 0;
    transform: none;
    height: 100dvh;
    flex-shrink: 0;
  }
  .admin-backdrop { display: none; }
}