world-game/site/snippets/blocks/jeu.php

<?php if ($block->url()->isNotEmpty()):
  $iframeUrl = preg_replace('/\s+/', '', $block->url()->value());
?>
<div class="iframe-game-container" data-src="<?= htmlspecialchars($iframeUrl, ENT_QUOTES, 'UTF-8') ?>">
  <iframe
    width="400"
    height="650"
    style="border: none; overflow: hidden; pointer-events: none; display: block; width: 100%;"
    src="about:blank"
  ></iframe>
  <div class="iframe-click-overlay" data-state="initial">
    <div class="overlay-content">
      <div class="play-icon">▶</div>
      <p class="overlay-message">Cliquez pour jouer</p>
    </div>
  </div>
  <button class="iframe-deactivate-btn" title="Deactivate game (restore scrolling)">✕</button>
</div>
<?php endif ?>