diff --git a/static/v3/index.html b/static/v3/index.html
index d25f14f..18bbbe3 100644
--- a/static/v3/index.html
+++ b/static/v3/index.html
@@ -855,9 +855,12 @@
                     <div id="v3-live-performance-state" class="v3-live-performance-state" aria-hidden="true"></div>
                 </div>
                 <div id="v3-upnext" class="v3-upnext hidden">
-                    <span class="text-gray-400">Up Next:</span>
-                    <span id="v3-upnext-name" class="v3-upnext-name"></span>
-                    <span id="v3-upnext-eta" class="text-gray-400 text-xs"></span>
+                    <div class="v3-upnext-row">
+                        <span class="text-gray-400">Up Next:</span>
+                        <span id="v3-upnext-name" class="v3-upnext-name"></span>
+                        <span id="v3-upnext-eta" class="text-gray-400 text-xs"></span>
+                    </div>
+                    <div class="v3-upnext-bar"><div id="v3-upnext-bar-fill" class="v3-upnext-bar-fill"></div></div>
                 </div>
             </div>
         </div>
diff --git a/static/v3/player-chrome.js b/static/v3/player-chrome.js
index 0657711..ce13c57 100644
--- a/static/v3/player-chrome.js
+++ b/static/v3/player-chrome.js
@@ -187,6 +187,19 @@
         const nm = $('v3-upnext-name'), eta = $('v3-upnext-eta');
         if (nm) nm.textContent = next.name || '—';
         if (eta) eta.textContent = 'in ' + dt.toFixed(1) + 's';
+        // Progress bar: fraction of the current section elapsed toward `next`.
+        // Previous boundary is the last section at/before now (else song start).
+        const fill = $('v3-upnext-bar-fill');
+        if (fill) {
+            let prevT = 0;
+            for (let i = 0; i < secs.length; i++) {
+                if (typeof secs[i].time === 'number' && secs[i].time <= t) prevT = secs[i].time;
+                else break;
+            }
+            const span = next.time - prevT;
+            const prog = span > 0 ? Math.max(0, Math.min(1, (t - prevT) / span)) : 0;
+            fill.style.width = (prog * 100).toFixed(1) + '%';
+        }
         pill.classList.remove('hidden');
     }
 
diff --git a/static/v3/v3.css b/static/v3/v3.css
index e9caf26..8cc2336 100644
--- a/static/v3/v3.css
+++ b/static/v3/v3.css
@@ -340,8 +340,9 @@ input, textarea, select,
 /* — Up Next pill (top-right, persistent) — */
 #player-hud .v3-upnext {
     display: flex;
-    align-items: center;
-    gap: .5rem;
+    flex-direction: column;
+    align-items: stretch;
+    gap: .35rem;
     padding: .45rem .9rem;
     border-radius: .75rem;
     background: rgba(15, 23, 42, .7);
@@ -351,6 +352,26 @@ input, textarea, select,
     pointer-events: auto;
 }
 #player-hud .v3-upnext.hidden { display: none; }
+/* Text row keeps the original inline layout untouched. */
+#player-hud .v3-upnext .v3-upnext-row {
+    display: flex;
+    align-items: center;
+    gap: .5rem;
+}
+/* Progress bar under the text — fills as the current section elapses. */
+#player-hud .v3-upnext .v3-upnext-bar {
+    height: 4px;
+    border-radius: 999px;
+    background: rgba(148, 163, 184, .25);
+    overflow: hidden;
+}
+#player-hud .v3-upnext .v3-upnext-bar-fill {
+    height: 100%;
+    width: 0%;
+    border-radius: inherit;
+    background: linear-gradient(90deg, #22d3ee, #a855f7, #f472b6);
+    transition: width .12s linear;
+}
 
 /* — Live performance HUD (top-right, read-only) — */
 .v3-live-performance-hud {