.admin-shell {
    background: var(--pp-color-page);
    display: grid;
    grid-template-columns: var(--pp-sidebar-width) minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--pp-color-brand-900);
    color: var(--pp-color-on-brand);
    display: flex;
    flex-direction: column;
    gap: var(--pp-space-6);
    overflow-y: auto;
    padding: var(--pp-space-5);
    position: sticky;
    top: 0;
    height: 100vh;
}

.admin-sidebar__mobile-header {
    align-items: center;
    display: none;
    justify-content: space-between;
}

.admin-sidebar__mobile-title {
    color: var(--pp-color-on-brand);
    font-size: var(--pp-font-size-md);
    font-weight: 900;
    margin: 0;
}

.admin-brand {
    align-items: center;
    color: var(--pp-color-on-brand);
    display: flex;
    gap: var(--pp-space-3);
    text-decoration: none;
}

.admin-brand:hover {
    color: var(--pp-color-on-brand);
}

.admin-brand__logo {
    background: var(--pp-color-on-brand);
    border-radius: var(--pp-radius-md);
    height: 3rem;
    object-fit: contain;
    padding: .25rem;
    width: 3rem;
}

.admin-brand__title,
.admin-brand__tagline {
    display: block;
}

.admin-brand__title {
    font-weight: 900;
    line-height: 1.1;
}

.admin-brand__tagline {
    color: var(--pp-color-overlay-on-brand);
    font-size: var(--pp-font-size-xs);
}

.admin-nav {
    display: grid;
    gap: var(--pp-space-5);
}

.admin-nav__group-label {
    color: var(--pp-color-overlay-on-brand-muted);
    font-size: .68rem;
    font-weight: 900;
    letter-spacing: .1em;
    margin: 0 0 var(--pp-space-2);
    text-transform: uppercase;
}

.admin-nav__list {
    display: grid;
    gap: var(--pp-space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-nav__link {
    align-items: center;
    border-radius: var(--pp-radius-md);
    color: var(--pp-color-overlay-on-brand);
    display: flex;
    gap: var(--pp-space-3);
    min-height: 2.75rem;
    padding: .7rem .85rem;
    text-decoration: none;
    transition: background-color var(--pp-transition-base), color var(--pp-transition-base);
}

.admin-nav__link:hover,
.admin-nav__link:focus,
.admin-nav__link.active {
    background: var(--pp-color-overlay-on-brand-subtle);
    color: var(--pp-color-on-brand);
}

.admin-nav__link.active {
    box-shadow: inset 3px 0 0 var(--pp-color-accent);
}

.admin-brand:focus-visible,
.admin-nav__link:focus-visible {
    outline: var(--pp-focus-ring-width) solid var(--pp-color-focus-ring);
    outline-offset: var(--pp-focus-ring-offset);
}

.admin-shell__main {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-topbar {
    align-items: center;
    background: var(--pp-color-overlay-on-brand-strong);
    border-bottom: 1px solid var(--pp-color-border);
    display: flex;
    gap: var(--pp-space-4);
    justify-content: space-between;
    min-height: 4.5rem;
    padding: 0 var(--pp-space-8);
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-topbar .dropdown-toggle:focus-visible,
.admin-topbar .dropdown-item:focus-visible {
    outline: var(--pp-focus-ring-width) solid var(--pp-color-focus-ring);
    outline-offset: var(--pp-focus-ring-offset);
}

.admin-topbar__title {
    color: var(--pp-color-ink);
    font-size: var(--pp-font-size-lg);
    font-weight: 900;
}

.admin-topbar__heading {
    align-items: center;
    display: flex;
    gap: var(--pp-space-3);
}

.admin-content {
    flex: 1;
    padding: var(--pp-space-8);
}

.admin-footer {
    color: var(--pp-color-ink-muted);
    font-size: var(--pp-font-size-sm);
    padding: 0 var(--pp-space-8) var(--pp-space-6);
}