/* Series Navigation - More Subtle */
.series-navigation {
    background: transparent;
    border: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 0 0 1rem 0;
    padding: 1.5rem 0;
}

.series-navigation.top {
    border: none;
    padding: 0.5px 0;
}

.nav-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.top > .nav-container {
    gap: 0;
    display: flex;
}

.nav-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 6px;
    transition: color 0.2s;
    background: transparent;
    border: none;
}

.nav-link:not(.disabled):hover {
    color: var(--text-primary);
}

.nav-link.prev {
    text-align: left;
    padding-left: 0;
}

.nav-link.next {
    text-align: right;
    justify-self: end;
    padding-right: 0;
}

.nav-link.disabled {
    color: var(--text-tertiary);
    cursor: default;
    opacity: 0.5;
}

.nav-link:first-child {
    padding-left: 0;
}

.nav-link.disabled.next {
    text-align: right;
    justify-self: end;
}

.nav-direction {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-title {
    font-size: 0.875rem;
    font-weight: 400;
    color: inherit;
}

.nav-center {
    text-align: center;
    justify-self: center;
}

.series-progress {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.series-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
}

.series-navigation.top > .series-title {
    text-transform: uppercase;
}

.series-title:hover {
    color: var(--link);
    text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .series-navigation:not(.top) > .nav-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-link.prev,
    .nav-link.next,
    .nav-link.disabled.next {
        text-align: center;
        justify-self: center;
    }
    
    .nav-center {
        order: -1;
    }

    .series-navigation.top .nav-center {
        order: 0;
    }
}