Fix Google Form Grid parser, survey display, and instant copy link button

js/admin.js

@@ -809,9 +809,9 @@ async function generateLink(id) {
             <div class="qr-link-container">
                 <div class="qr-link-section">
                     <div class="qr-link-label">🔗 ลิงก์แบบสอบถาม</div>
-                    <div class="link-display">
-                        <span class="flex-1" id="surveyLinkText">${fullUrl}</span>
-                        <button class="copy-btn" onclick="copyLink()">📋 คัดลอก</button>
+                    <div class="link-display" onclick="copyLink(this.querySelector('.copy-btn'))" style="cursor:pointer;" title="คลิกเพื่อคัดลอกลิงก์">
+                        <span class="flex-1 select-all" id="surveyLinkText">${fullUrl}</span>
+                        <button class="copy-btn" onclick="event.stopPropagation(); copyLink(this)">📋 คัดลอก</button>
                     </div>
                 </div>
                 <div class="qr-code-section">
@@ -849,20 +849,11 @@ async function generateLink(id) {
     }
 }
 
-function copyLink() {
-    const text = document.getElementById('surveyLinkText')?.textContent;
+function copyLink(btnEl) {
+    const text = document.getElementById('surveyLinkText')?.textContent?.trim();
     if (text) {
-        navigator.clipboard.writeText(text).then(() => {
-            Toast.success('คัดลอกลิงก์แล้ว');
-        }).catch(() => {
-            const ta = document.createElement('textarea');
-            ta.value = text;
-            document.body.appendChild(ta);
-            ta.select();
-            document.execCommand('copy');
-            ta.remove();
-            Toast.success('คัดลอกลิงก์แล้ว');
-        });
+        const btn = btnEl || document.querySelector('.link-display .copy-btn');
+        copyTextToClipboard(text, btn);
     }
 }