{% extends "base.html" %}
{% block title %}Thank You{% endblock %}
{% block content %}
<div style="max-width:600px; margin:80px auto; text-align:center; font-family:system-ui,sans-serif;">
  <h1 style="font-size:2rem; margin-bottom:1rem;">Thank you for your participation!</h1>
  <p style="font-size:1.1rem; color:#555; margin-bottom:2rem;">
    Your annotations have been saved successfully.
  </p>
  <div style="background:#f0f7ff; border:2px solid #3b82f6; border-radius:12px; padding:2rem; margin-bottom:2rem;">
    <p style="font-size:1rem; color:#333; margin-bottom:0.5rem;">Your completion code:</p>
    <p id="code" style="font-size:2.5rem; font-weight:bold; letter-spacing:0.3em; color:#1d4ed8; margin:0.5rem 0;">{{ code }}</p>
    <button id="copyBtn"
            style="margin-top:1rem; padding:0.5rem 1.5rem; font-size:1rem; background:#3b82f6; color:#fff; border:none; border-radius:6px; cursor:pointer;">
      Copy Code
    </button>
    <script>
      document.getElementById('copyBtn').addEventListener('click', function() {
        var text = '{{ code }}';
        var btn = this;
        if (navigator.clipboard && window.isSecureContext) {
          navigator.clipboard.writeText(text).then(function() {
            btn.textContent = 'Copied!';
            setTimeout(function(){ btn.textContent = 'Copy Code'; }, 1500);
          });
        } else {
          var ta = document.createElement('textarea');
          ta.value = text;
          ta.style.position = 'fixed';
          ta.style.opacity = '0';
          document.body.appendChild(ta);
          ta.select();
          document.execCommand('copy');
          document.body.removeChild(ta);
          btn.textContent = 'Copied!';
          setTimeout(function(){ btn.textContent = 'Copy Code'; }, 1500);
        }
      });
    </script>
  </div>
  <p style="font-size:1.05rem; color:#333;">
    Please copy this code and paste it into the survey.
  </p>
</div>
{% endblock %}