/* Estado PWA / sincronización offline */
#pwaEstadoBar {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 9999999;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 10px;
    font-family: Arial, sans-serif;
    font-size: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
#pwaEstadoBar.pwa-online {
    background: #e9f8ef;
    color: #155724;
    border: 1px solid #28a745;
}
#pwaEstadoBar.pwa-offline {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
}
#pwaEstadoBar.pwa-sync-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #dc3545;
}
#pwaEstadoBar button {
    border: 0;
    border-radius: 6px;
    padding: 5px 8px;
    font-size: 12px;
    font-weight: bold;
    color: white;
    background: #28a745;
    cursor: pointer;
}
#pwaEstadoTexto { flex: 1; }
@media (max-width: 768px) {
    #pwaEstadoBar { bottom: 66px; font-size: 11px; }
}