:root {
    --nc-header-height: 5rem;  /* topbar + sidebar-header, stock Filament = 4rem */
    --nc-brand-height: 3rem;   /* hauteur logo, stock Filament = 2rem */
}

.fi-sidebar-header { height: var(--nc-header-height); }
.fi-topbar { min-height: var(--nc-header-height); }

.nc-brand-fallback { font-size: calc(var(--nc-brand-height) * 0.55); white-space: nowrap; }
.nc-brand-fallback small { font-size: 0.5em; opacity: .6; }

.nc-hero { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.nc-hero-logos { display: flex; align-items: center; padding-right: 1.5rem; }
.nc-hero img { height: 4.5rem; width: auto; }
html.dark .nc-hero-logo-light,
html:not(.dark) .nc-hero-logo-dark { display: none; }