/* ============ MOBILE BOTTOM NAV ============ */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e8e8e8;
    z-index: 1500;
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0));
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 4px;
    text-decoration: none;
    color: #999;
    font-size: 10px;
    font-weight: 500;
    transition: color 0.15s;
    position: relative;
}

.mobile-nav-item i {
    font-size: 22px;
    line-height: 1;
}

.mobile-nav-item.active {
    color: #00AAFF;
}

.mobile-nav-item:hover {
    color: #00AAFF;
}

.mobile-nav-plus {
    color: #fff !important;
}

.mobile-nav-plus i {
    background: #00AAFF;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-top: -20px;
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.4);
}

.mobile-nav-plus:hover i {
    background: #0088cc;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
    }
    body {
        padding-bottom: 70px;
    }
}