.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--mobile-nav-height);
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    z-index: 100;
    padding: 0 var(--space-2);
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: 56px;
    height: 48px;
    border-radius: var(--radius-md);
    color: var(--text-dim);
    text-decoration: none;
    font-size: var(--xs);
    font-weight: var(--weight-medium);
    transition: color var(--transition), background var(--transition);
    -webkit-tap-highlight-color: transparent;
    position: relative;
}

.mobile-nav-link:active {
    background: var(--surface-bg-hover);
}

.mobile-nav-link .icon {
    width: 22px;
    height: 22px;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.mobile-nav-link .icon-wrap {
    position: relative;
    display: inline-flex;
}

.mobile-nav-link .notif-badge {
    position: absolute;
    top: -4px;
    right: -6px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--danger);
    color: #fff;
    font-size: 0.55rem;
    font-weight: var(--weight-bold);
    line-height: 16px;
    text-align: center;
    border-radius: var(--radius-full);
    pointer-events: none;
}

.mobile-nav-link.active {
    color: var(--accent-primary);
}

.mobile-nav-link.active .icon {
    opacity: 1;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: flex;
    }
}