export function copyToClipboard(text: string): Promise<void> {
  if (navigator.clipboard && window.isSecureContext) {
    // ✅ Modern way
    return navigator.clipboard.writeText(text);
  } else {
    // 🚨 Fallback for insecure context or unsupported browsers
    const textArea = document.createElement('textarea');
    textArea.value = text;

    // Avoid scrolling to bottom
    textArea.style.position = 'fixed';
    textArea.style.top = '0';
    textArea.style.left = '0';
    textArea.style.width = '2em';
    textArea.style.height = '2em';
    textArea.style.padding = '0';
    textArea.style.border = 'none';
    textArea.style.outline = 'none';
    textArea.style.boxShadow = 'none';
    textArea.style.background = 'transparent';

    document.body.appendChild(textArea);
    textArea.focus();
    textArea.select();

    try {
      document.execCommand('copy');
    } catch (err) {
      console.error('Fallback: Oops, unable to copy', err);
    }

    document.body.removeChild(textArea);
    return Promise.resolve();
  }
}