.hub-status-bubble {
    position: fixed;
    right: 5.5rem;
    bottom: 1.25rem;
    z-index: 2001;
    width: 3.1rem;
    height: 3.1rem;
    border: none;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.2);
    color: #fff;
    cursor: pointer;
    transition: transform 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease;
}

.hub-status-bubble:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.24);
}

.hub-status-bubble.is-healthy {
    background: linear-gradient(135deg, #15803d 0%, #22c55e 100%);
}

.hub-status-bubble.is-degraded {
    background: linear-gradient(135deg, #b45309 0%, #f59e0b 100%);
}

.hub-status-bubble.is-offline {
    background: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%);
}

.hub-status-bubble.is-idle {
    background: linear-gradient(135deg, #475569 0%, #94a3b8 100%);
}

.hub-status-bubble__ring {
    position: absolute;
    inset: 0.22rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
}

.hub-status-bubble__count {
    position: relative;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

@media (max-width: 767px) {
    .hub-status-bubble {
        right: 4.9rem;
        bottom: calc(1rem + env(safe-area-inset-bottom));
        width: 2.8rem;
        height: 2.8rem;
    }
}