diff --git a/views/index.ejs b/views/index.ejs
index 2ea0ea8..7eb1760 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -665,14 +665,36 @@
         updateAudio();
       });
 
-      // Fullscreen
+      // Fullscreen — must handle iOS Safari separately (no fullscreen API on container,
+      // only on the video element via webkitEnterFullscreen)
+      function enterFullscreen() {
+        // iOS Safari path: only video.webkitEnterFullscreen works
+        if (typeof video.webkitEnterFullscreen === 'function' && !document.fullscreenEnabled) {
+          try { video.webkitEnterFullscreen(); return; } catch (e) {}
+        }
+        // Standard Fullscreen API on the video element (most reliable cross-browser)
+        if (video.requestFullscreen) { video.requestFullscreen().catch(() => {}); return; }
+        if (video.webkitRequestFullscreen) { video.webkitRequestFullscreen(); return; }
+        // Fallback: try the container
+        if (playerFrame.requestFullscreen) { playerFrame.requestFullscreen().catch(() => {}); return; }
+        if (playerFrame.webkitRequestFullscreen) { playerFrame.webkitRequestFullscreen(); return; }
+        // Last-resort iOS path
+        if (typeof video.webkitEnterFullscreen === 'function') {
+          try { video.webkitEnterFullscreen(); } catch (e) {}
+        }
+      }
+      function exitFullscreen() {
+        if (document.exitFullscreen) { document.exitFullscreen().catch(() => {}); return; }
+        if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); return; }
+        if (typeof video.webkitExitFullscreen === 'function') { try { video.webkitExitFullscreen(); } catch (e) {} }
+      }
+      function isFullscreen() {
+        return !!(document.fullscreenElement || document.webkitFullscreenElement || video.webkitDisplayingFullscreen);
+      }
       btnFs.addEventListener('click', (e) => {
         e.stopPropagation();
-        if (!document.fullscreenElement) {
-          (playerFrame.requestFullscreen || playerFrame.webkitRequestFullscreen).call(playerFrame);
-        } else {
-          (document.exitFullscreen || document.webkitExitFullscreen).call(document);
-        }
+        if (isFullscreen()) exitFullscreen();
+        else enterFullscreen();
       });
       video.addEventListener('click', () => { video.muted = !video.muted; video.volume = 1.0; updateAudio(); });
       video.addEventListener('dblclick', (e) => { e.preventDefault(); btnFs.click(); });