diff --git a/dapper.php b/dapper.php
index 401ec4d..879a5f8 100644
--- a/dapper.php
+++ b/dapper.php
@@ -1207,6 +1207,48 @@ if ( class_exists( 'WPCF7' ) ) {
         <?php
     }
 
+    add_filter( 'do_shortcode_tag', 'dapper_cf7_universal_insert_checkbox', 10, 4 );
+    function dapper_cf7_universal_insert_checkbox( $output, $tag, $attr, $m ) {
+      if ( $tag !== 'contact-form-7' ) {
+          return $output;
+      }
+
+      if ( get_option( 'dapper_enable_cf7_human_checkbox', 'on' ) !== 'on' ) {
+          return $output;
+      }
+
+      dapper_debug_log( 'Universal CF7 shortcode filter FIRED - processing form ID: ' . ( $attr['id'] ?? 'unknown' ) );
+
+      $unique = uniqid();
+      $checkbox_html = '
+      <div class="dapper-cf7-human-check" style="margin: 1.5em 0; padding: 1em; background: #f8f9fa; border: 1px solid #ccd0d4; border-radius: 4px; text-align: center;">
+          <label style="font-size: 1.1em; cursor: pointer; user-select: none;">
+              <input type="checkbox" name="dapper_cf7_human_confirm" id="dapper_cf7_human_confirm_' . $unique . '" value="1" required style="transform: scale(1.4); margin-right: 0.8em; vertical-align: middle;">
+              I am human / not a robot
+              </label>
+              <input type="hidden" name="dapper_cf7_human_token" id="dapper_cf7_human_token_' . $unique . '" value="">
+              <input type="hidden" name="dapper_cf7_human_time" value="' . time() . '">
+              <p style="margin: 0.6em 0 0; font-size: 0.9em; color: #555;">Quick check to help stop spam. Thanks!</p>
+      </div>';
+
+      // Insert after response div or before </form> — aggressive match
+      $output = preg_replace( '/(<div class="wpcf7-response-output"[^>]*>.*?<\/div>)/is', '$1' . $checkbox_html, $output, 1 );
+
+      if ( strpos( $output, $checkbox_html ) === false ) {
+          $output = str_replace( '</form>', $checkbox_html . '</form>', $output );
+      }
+
+      if ( strpos( $output, $checkbox_html ) === false ) {
+          $output .= $checkbox_html; // Last resort append
+          dapper_debug_log( 'Universal CF7 fallback append used for shortcode/widget' );
+      }
+
+      dapper_debug_log( 'Universal CF7 insertion COMPLETE for shortcode' );
+
+      return $output;
+    }
+
+
     // 2. NEW: Visible checkbox — use reliable append method
     add_filter( 'wpcf7_form_elements', 'dapper_cf7_append_human_checkbox', 100 );  // Higher priority = later
     function dapper_cf7_append_human_checkbox( $form ) {