/* Layout generale — mobile first, responsive */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px 24px;
}

.zone-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 16px;
}

/* Tablet */
@media (min-width: 640px) {
    .zone-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .container {
        padding: 0 24px 32px;
    }
}

/* Desktop */
@media (min-width: 960px) {
    .zone-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* Grande */
@media (min-width: 1280px) {
    .zone-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

/* Indicatore connessione */
.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.connection-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.connection-dot.offline {
    background: var(--danger);
}