footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1100;
}

.footer-nav {
    width: 100%;
    height: 60px;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border);
}

.nav-list {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    height: 100%;
}

.nav-item img,
.nav-item .nav-icon {
    width: 24px;
    height: 24px;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.nav-item .nav-icon {
    color: var(--text-primary);
}

.nav-item a:hover img,
.nav-item a:hover .nav-icon {
    opacity: 1;
    cursor: pointer;
}

[data-theme="dark"] .nav-item img {
    filter: invert(1);
}