Merge pull request #3 from alvin000009238/codex/hide-data-update-time-on-share-page-pitzip

Hide update time in read-only/shared view and add read-only indicator

Author: alvin000009238

grades_dashboard.css

@@ -1662,8 +1662,15 @@ body.read-only-mode #logoutBtn {
     display: none !important;
 }
 
-body.read-only-mode .data-time-box .time-info {
-    display: none;
+body.read-only-mode .data-time-box .time-info,
+body.read-only-mode .data-time-box .time-label,
+body.read-only-mode .data-time-box .time-value,
+body.read-only-mode #updateTime {
+    display: none !important;
+}
+
+body.read-only-mode .data-time-box {
+    gap: 0;
 }
 
 body.read-only-mode .header {

grades_dashboard.js

@@ -1176,7 +1176,8 @@ async function checkSharedLink() {
                 const timeBox = document.querySelector('.data-time-box');
                 header.insertBefore(indicator, timeBox);
 
-                if (updateTime) updateTime.textContent = '分享存檔';
+                const timeInfo = document.querySelector('.data-time-box .time-info');
+                if (timeInfo) timeInfo.style.display = 'none';
             } else {
                 throw new Error(data.error);
             }