/* The bar at the top of every page: the product on the left, the current person on the right. */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--layout-inset);
    background-color: var(--color-surface);
    border-bottom: var(--border-width) solid var(--color-border);
}

/* No rule under it, for a page that opens with a hero instead of a card. */
.site-header--plain {
    border-bottom-color: transparent;
}

.site-header__start,
.site-header__end {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 0;
}

.site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-on-surface);
    text-decoration: none;
}

.site-header__brand-mark {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-primary);
}

.site-header__user {
    color: var(--color-on-surface-muted);
    font-size: var(--font-size-sm);
}

@media (max-width: 48rem) {
    .site-header {
        padding-inline: var(--layout-inset-mobile);
    }

    .site-header__user {
        display: none;
    }
}