.taxai-agent-final-nav-v160 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin: 0 0 22px;
}

.taxai-agent-final-nav-v160 a {
    display: block;
    padding: 16px 18px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid rgba(148, 163, 184, .24);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .05);
    text-decoration: none;
    color: inherit;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.taxai-agent-final-nav-v160 a:hover {
    transform: translateY(-2px);
    border-color: rgba(37, 99, 235, .35);
    box-shadow: 0 16px 36px rgba(15, 23, 42, .09);
}

.taxai-agent-final-nav-v160 strong {
    display: block;
    margin-bottom: 5px;
    color: #0f172a;
    font-size: 14px;
    font-weight: 900;
}

.taxai-agent-final-nav-v160 span {
    display: block;
    color: #64748b;
    font-size: 12px;
    line-height: 1.55;
}

.taxai-agent-final-nav-v160 .is-primary {
    background: linear-gradient(135deg, #0f172a, #2563eb);
    color: #fff;
    border-color: transparent;
}

.taxai-agent-final-nav-v160 .is-primary strong,
.taxai-agent-final-nav-v160 .is-primary span {
    color: #fff;
}

body.taxai-common-sidebar-enabled .taxai-sidebar-link[href*="agent-os-summary"] {
    background: linear-gradient(135deg, #0f172a, #2563eb) !important;
    color: #fff !important;
    font-weight: 900 !important;
}

body.taxai-common-sidebar-enabled .taxai-sidebar-link[href*="agent-kpi-center"],
body.taxai-common-sidebar-enabled .taxai-sidebar-link[href*="agent-cost-center"],
body.taxai-common-sidebar-enabled .taxai-sidebar-link[href*="agent-learning-center"] {
    font-weight: 800;
}

@media (max-width: 1100px) {
    .taxai-agent-final-nav-v160 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .taxai-agent-final-nav-v160 {
        grid-template-columns: 1fr;
    }
}