.mq-demo { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; }
.mq-node { display: flex; flex-direction: column; align-items: center; }

.mq-pipe {
    flex: 1;
    min-width: 180px;
    background: rgba(255, 255, 255, 0.04);
    border: 1.5px solid color-mix(in srgb, #F59E0B 35%, transparent);
    border-radius: 999px;
    padding: 0.5rem 1rem;
}

.queue {
    display: flex;
    gap: 8px;
    align-items: center;
    min-height: 32px;
    overflow-x: auto;
}

.mq-msg {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: #F59E0B;
    box-shadow: 0 0 10px color-mix(in srgb, #F59E0B 60%, transparent);
    flex-shrink: 0;
    animation: popIn 0.25s ease;
}

@keyframes popIn { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes popOut { to { transform: scale(0); opacity: 0; } }