.sad-s3-bibliography-async {
    margin: 30px 0;
    padding: 20px;
    background: #fff;
    border-top: 1px solid #eee;
}

.sad-s3-bibliography-async h3 {
    margin-bottom: 20px;
    font-size: 22px;
    color: #333;
}

.sad-s3-refs-container ul {
    list-style: decimal;
    margin-left: 20px;
}

.sad-s3-refs-container li {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #444;
}

.sad-loading-spinner {
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}

/* Optional: Add a real spinner */
.sad-loading-spinner::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0073aa;
    border-radius: 50%;
    animation: sad-spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes sad-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(359deg); }
}