/* Upgrade cards reuse the challenge grid and shop dialog for a consistent menu. */
.upgrade-card h3 {
    margin: 0 0 12px;
}

.upgrade-description {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.85rem;
    min-height: 4.8em;
}

.upgrade-card progress {
    width: 100%;
    height: 12px;
    accent-color: var(--reward);
}

.upgrade-level {
    color: var(--reward);
    font-size: 0.85rem;
}

.upgrade-card .design-buy {
    min-height: 44px;
}

@media (max-width: 700px) {
    .topbar-actions {
        flex-wrap: wrap;
        gap: 10px;
    }
}