diff --git a/frontend/app.js b/frontend/app.js
index 4cce212..bb6abc9 100755
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -4191,9 +4191,22 @@ const Notes = (() => {
     const V = $('video');
     const zoom = $('stgZoom'), buf = $('stgBuf');
     if (zoom && V) { const m = /scale\(([\d.]+)\)/.exec(V.style.transform || ''); zoom.textContent = 'Pinch ' + (m ? Number(m[1]).toFixed(1) : '1.0') + '×'; }
-    if (buf && V && V.duration && V.buffered.length) {
-      const end = V.buffered.end(V.buffered.length - 1);
-      buf.textContent = end >= V.duration - 1 ? 'Fully buffered' : 'Buffered ' + Math.round((end / V.duration) * 100) + '%';
+    if (buf) {
+      const M = Player.master || V;
+      if (current && current.localUrl) {
+        // A device copy is all here — buffering progress means nothing.
+        buf.textContent = 'Saved on device';
+      } else if (M && M.duration && M.buffered && M.buffered.length) {
+        // The range around the playhead (the last range jumps to wherever
+        // the user last seeked), shown as how far ahead playback is covered.
+        const t = M.currentTime || 0;
+        let end = 0;
+        for (let i = 0; i < M.buffered.length; i++) {
+          if (M.buffered.start(i) <= t + 0.5 && M.buffered.end(i) >= t) { end = M.buffered.end(i); break; }
+        }
+        buf.textContent = end >= M.duration - 1 ? 'Fully buffered'
+          : end > t ? 'Buffered ' + Math.round((end / M.duration) * 100) + '%' : 'Buffering…';
+      }
     }
     const q = $('qualitySelect'), sq = $('stgQuality');
     if (sq && q && q.options.length) sq.textContent = q.options[q.selectedIndex] ? q.options[q.selectedIndex].text : 'Auto';