.bm-busy {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}
.bm-busy[hidden] { display: none !important; }
.bm-busy-spin {
    width: 25vw;
    height: 25vw;
    box-sizing: border-box;
    border-radius: 50%;
    border: 1.6vw solid rgba(247, 146, 30, 0.35);
    border-top-color: rgba(247, 146, 30, 0.85);
    background: transparent;
    animation: bm-spin 0.7s linear infinite;
}
@keyframes bm-spin {
    to { transform: rotate(360deg); }
}