.ah-container {
    background: #fdfdfd;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px;
    max-width: 600px;
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.ah-header h3 { margin: 0 0 10px 0; font-size: 24px; color: #333; }
.ah-badge { background: #007cba; color: white; padding: 2px 8px; border-radius: 4px; font-size: 12px; vertical-align: middle; }
.ah-upload-box { border: 2px dashed #ccc; padding: 20px; text-align: center; border-radius: 8px; margin-bottom: 20px; background: #fafafa; }
.ah-controls { margin-bottom: 25px; }
.ah-control-group label { display: block; font-weight: bold; margin-bottom: 10px; }
input[type=range] { width: 100%; }
#ahProcessBtn {
    background: #007cba; color: white; border: none; padding: 12px 24px;
    font-size: 16px; border-radius: 6px; cursor: pointer; width: 100%;
    transition: background 0.2s; opacity: 0.5;
}
#ahProcessBtn:hover:not(:disabled) { background: #006ba1; }
.ah-status { margin-top: 15px; text-align: center; color: #666; font-size: 14px; }