.au-upload-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.au-upload-content {
    background: white;
    padding: 35px 50px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    min-width: 320px;
    max-width: 90%;
}

.au-upload-spinner {
    width: 55px;
    height: 55px;
    margin: 0 auto;
    border: 5px solid #e0e0e0;
    border-top: 5px solid #5bc0de;
    border-radius: 50%;
    animation: auUploadSpin 1s linear infinite;
}

@keyframes auUploadSpin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.au-upload-text {
    margin-top: 20px;
    font-size: 17px;
    font-weight: 600;
    color: #333;
}

.au-upload-subtext {
    margin-top: 8px;
    font-size: 13px;
    color: #888;
}

.au-upload-progress-wrap {
    margin-top: 20px;
    width: 100%;
}

.au-upload-progress-bg {
    width: 100%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
}

.au-upload-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #5bc0de, #28a745);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.au-upload-progress-percent {
    margin-top: 8px;
    font-size: 13px;
    color: #666;
    font-weight: 500;
}