#loaderPopup_elm{
        display: none; /* Initially hidden */
    }
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

   .audio-silence-wrapper {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);

            width: 100%;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        #audioUpload {
            width: 100%;
            padding: 15px;
            border: 2px dashed #667eea;
            border-radius: 12px;
            background: rgba(102, 126, 234, 0.05);
            color: #4a5568;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 20px;
        }

        #audioUpload:hover {
            border-color: #764ba2;
            background: rgba(118, 75, 162, 0.08);
            transform: translateY(-2px);
        }

        #audioUpload:focus {
            outline: none;
            border-color: #764ba2;
            box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.2);
        }

        #processBtn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 25px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        #processBtn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
        }

        #processBtn:active {
            transform: translateY(-1px);
            box-shadow: 0 6px 15px rgba(102, 126, 234, 0.3);
        }

        #player {
            width: 100%;
            margin: 20px 0;
            border-radius: 12px;
            background: rgba(102, 126, 234, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        #player::-webkit-media-controls-panel {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

        .button.button-primary {
            background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
            color: white;
            text-decoration: none;
            padding: 12px 25px;
            border-radius: 20px;
            font-weight: 600;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 6px 15px rgba(72, 187, 120, 0.3);
            margin-top: 15px;
        }

        .button.button-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(72, 187, 120, 0.4);
            text-decoration: none;
        }

        br {
            line-height: 2;
        }

        /* Loading animation for when processing */
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.6; }
            100% { opacity: 1; }
        }

        .processing {
            animation: pulse 2s infinite;
        }