.ndv-loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 250, 250, 0.88);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.ndv-loader-overlay.is-hidden {
    opacity: 0;
    visibility: hidden;
}
.ndv-spinner {
    width: 46px;
    height: 46px;
    border: 4px solid #fecdd3;
    border-top-color: #e11d48;
    border-radius: 50%;
    animation: ndvSpin 0.75s linear infinite;
}
@keyframes ndvSpin {
    to { transform: rotate(360deg); }
}