function elapro_generate_audio($text) {

    $api_key = get_option('el_api_key');
    $voice_id = get_option('el_voice_id');
    $model_id = get_option('el_model_id');

    $response = wp_remote_post(
        "https://api.elevenlabs.io/v1/text-to-speech/$voice_id",
        [
            'timeout' => 60,
            'headers' => [
                'xi-api-key' => $api_key,
                'Content-Type' => 'application/json',
                'Accept' => 'audio/mpeg'
            ],
            'body' => json_encode([
                "text" => $text,
                "model_id" => $model_id,
                "voice_settings" => [
                    "stability" => 0.5,
                    "similarity_boost" => 0.8
                ]
            ])
        ]
    );

    if (is_wp_error($response)) return false;

    $audio_binary = wp_remote_retrieve_body($response);

    if (empty($audio_binary)) return false;

    // IMPORTANT: force clean binary save
    $upload = wp_upload_bits(
        'el-audio-' . time() . '.mp3',
        null,
        $audio_binary
    );

    if (!empty($upload['url'])) {
        return $upload['url'];
    }

    return false;
}