Bouton "Copier-coller"

<script>
    document.querySelectorAll('.copy-btn').forEach(btn => {
      const originalText = btn.textContent;
      btn.addEventListener('click', async () => {
        const key = btn.getAttribute('data-copy-target');
        const selector = `[data-copy-item="${key}"]`;
        const target = document.querySelector(selector);
        if (!target) return;
        const text = target.innerText.trim();

        try {
          await navigator.clipboard.writeText(text);
          btn.textContent = 'Copié !';
          btn.classList.add('success');
          setTimeout(() => {
            btn.textContent = originalText;
            btn.classList.remove('success');
          }, 2000);
        } catch {
          // Gestion d'erreur possible
        }
      });
    });
</script>