.library-related {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.library-related__list {
    margin: 0;
    padding-right: 1.5rem;
}

.library-related__item {
    margin: 0.45rem 0;
}

.library-related__item.is-current {
    color: #9a6700;
    font-weight: 700;
}

.library-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e5e7eb;
}

.library-nav a,
.library-nav__disabled {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
}

.library-nav a {
    background: #f5f5f4;
    color: inherit;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.library-nav a:hover {
    background: #e7e5e4;
}

.library-nav__disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.library-nav__previous {
    text-align: right;
}

.library-nav__next {
    text-align: left;
}

.library-nav__index,
.library-nav__parent {
    font-weight: 700;
}

@media (max-width: 640px) {
    .library-nav {
        grid-template-columns: 1fr;
    }

    .library-nav__previous,
    .library-nav__next {
        text-align: center;
    }
}