fix: bản đồ xoay mượt trên Iphone

frontend/src/pages/TourDetailPage.tsx

@@ -222,7 +222,7 @@ const MapRotationHandler = ({ rotation }: { rotation: number }) => {
     // 1. Dùng translateZ(0) để kích hoạt GPU trên iOS.
     // 2. Giảm scale xuống ~1.6 (vừa đủ che góc) để giảm tải cho bộ nhớ đệm đồ họa.
     container.style.transform = `rotate(${cumulativeRotationRef.current}deg) scale(2.2) translateZ(0)`;
-    container.style.transition = 'transform 0.2s cubic-bezier(0.25, 0.1, 0.25, 1)';
+    container.style.transition = 'transform 0.15s ease-out';
   }, [rotation, map]);
   return null;
 };
@@ -867,6 +867,8 @@ export const TourDetailPage = ({
 
   // Theo dõi hướng thiết bị (la bàn)
   useEffect(() => {
+    let lastHeading: number | null = null;
+
     const handleOrientation = (event: any) => {
       let heading: number | null = null;
 
@@ -876,17 +878,17 @@ export const TourDetailPage = ({
       } 
       // 2. Đối với Android (Chrome): Cần kiểm tra tính tuyệt đối của dữ liệu
       else if (event.alpha !== null && event.alpha !== undefined) {
-        // Chrome trên Android chỉ cung cấp hướng la bàn chuẩn khi event.absolute là true
-        // hoặc khi nhận từ sự kiện 'deviceorientationabsolute'
         if (event.absolute === true || event.type === 'deviceorientationabsolute') {
-          // Alpha trên Android tăng theo chiều ngược kim đồng hồ (0=North, 90=West)
-          // Cần chuyển đổi sang chiều kim đồng hồ để khớp với logic quay bản đồ
           heading = (360 - event.alpha) % 360;
         }
       }
 
       if (heading !== null) {
-        setDeviceOrientationHeading(heading);
+        // Chỉ cập nhật nếu hướng thay đổi lớn hơn 2 độ để giảm tải vẽ lại
+        if (lastHeading === null || Math.abs(heading - lastHeading) > 2) {
+          lastHeading = heading;
+          setDeviceOrientationHeading(heading);
+        }
       }
     };
 
@@ -1242,6 +1244,31 @@ export const TourDetailPage = ({
   const rejectJoinRequest = useTourStore(state => state.rejectJoinRequest);
   const deleteTour = useTourStore(state => state.deleteTour);
 
+  const toggleCompassMode = async () => {
+    if (!isHeadingMode) {
+      if (
+        typeof DeviceOrientationEvent !== 'undefined' &&
+        typeof (DeviceOrientationEvent as any).requestPermission === 'function'
+      ) {
+        try {
+          const permissionState = await (DeviceOrientationEvent as any).requestPermission();
+          if (permissionState === 'granted') {
+            setIsHeadingMode(true);
+          } else {
+            alert("Để xoay bản đồ theo hướng di chuyển, vui lòng cấp quyền truy cập cảm biến hướng (La bàn).");
+          }
+        } catch (error) {
+          console.error("Error requesting compass permission:", error);
+          setIsHeadingMode(true);
+        }
+      } else {
+        setIsHeadingMode(true);
+      }
+    } else {
+      setIsHeadingMode(false);
+      setMapRotation(0);
+    }
+  };
 
   // Khôi phục vị trí và mức zoom từ localStorage
   const [initialViewState] = useState(() => {
@@ -1905,7 +1932,9 @@ export const TourDetailPage = ({
           )}
         </div>
       </div>
-      {/* Tour Header Info */}
+      {!(activeTab === 'plan' && viewMode === 'map') && (
+        <>
+          {/* Tour Header Info */}
       <div className="relative min-h-[480px] w-full bg-blue-900 flex flex-col justify-end">
         <img 
           src={tourInfo.coverImage} 
@@ -2168,11 +2197,14 @@ export const TourDetailPage = ({
           </div>
         )}
       </div>
+        </>
+      )}
 
       {/* Main Content Area - Điều chỉnh max-width khi ở chế độ bản đồ */}
-      <div className={`${activeTab === 'plan' && viewMode === 'map' ? 'w-full' : 'max-w-2xl mx-auto'} px-4 pb-24`}>
+      <div className={`${activeTab === 'plan' && viewMode === 'map' ? 'w-full !px-0 !pb-0' : 'max-w-2xl mx-auto px-4 pb-24'}`}>
         {/* Tab Switcher */}
-        <div className="bg-white rounded-2xl shadow-lg border border-gray-100 p-1 flex mb-6 sticky top-[60px] z-40">
+        {!(activeTab === 'plan' && viewMode === 'map') && (
+          <div className="bg-white rounded-2xl shadow-lg border border-gray-100 p-1 flex mb-6 sticky top-[60px] z-40">
           {tabs.map((tab) => (
             <button
               key={tab.id}
@@ -2196,44 +2228,49 @@ export const TourDetailPage = ({
             </button>
           ))}
         </div>
+        )}
 
         {/* Tab Panels */}
         <div className="transition-opacity duration-300">
           {activeTab === 'plan' && (
             <div className="animate-in fade-in slide-in-from-bottom-2">
               {/* View Mode Toggle */}
-              <div className="flex justify-center items-center mb-3">
-                <div className="bg-gray-100 dark:bg-slate-800 p-1 rounded-2xl flex gap-1">
-                  <button 
-                    onClick={() => setViewMode('timeline')}
-                    className={`flex items-center gap-2 px-4 py-2 rounded-xl text-xs font-bold transition-all ${viewMode === 'timeline' ? 'bg-white dark:bg-slate-900 shadow-sm text-blue-600 dark:text-blue-400' : 'text-gray-500'}`}
-                  >
-                    <List className="w-3.5 h-3.5" /> Danh sách
-                  </button>
-                  <button 
-                    onClick={() => setViewMode('map')}
-                    className={`flex items-center gap-2 px-4 py-2 rounded-xl text-xs font-bold transition-all ${viewMode === 'map' ? 'bg-white dark:bg-slate-900 shadow-sm text-blue-600 dark:text-blue-400' : 'text-gray-500'}`}
-                  >
-                    <MapIconLucide className="w-3.5 h-3.5" /> Bản đồ
-                  </button>
+              {viewMode !== 'map' && (
+                <div className="flex justify-center items-center mb-3">
+                  <div className="bg-gray-100 dark:bg-slate-800 p-1 rounded-2xl flex gap-1">
+                    <button 
+                      onClick={() => setViewMode('timeline')}
+                      className={`flex items-center gap-2 px-4 py-2 rounded-xl text-xs font-bold transition-all ${viewMode === 'timeline' ? 'bg-white dark:bg-slate-900 shadow-sm text-blue-600 dark:text-blue-400' : 'text-gray-500'}`}
+                    >
+                      <List className="w-3.5 h-3.5" /> Danh sách
+                    </button>
+                    <button 
+                      onClick={() => setViewMode('map')}
+                      className={`flex items-center gap-2 px-4 py-2 rounded-xl text-xs font-bold transition-all ${viewMode === 'map' ? 'bg-white dark:bg-slate-900 shadow-sm text-blue-600 dark:text-blue-400' : 'text-gray-500'}`}
+                    >
+                      <MapIconLucide className="w-3.5 h-3.5" /> Bản đồ
+                    </button>
+                  </div>
                 </div>
-              </div>
+              )}
 
               {/* Export Buttons */}
-              <div className="flex justify-center gap-2 mb-6">
-                <button 
-                  onClick={handleExportCSV}
-                  className="flex items-center gap-1 px-3 py-1.5 bg-emerald-600 hover:bg-emerald-700 text-white rounded-lg text-[11px] font-bold shadow-md transition-all active:scale-95 whitespace-nowrap"
-                >
-                  📊 Google Sheets
-                </button>
-                <button 
-                  onClick={handleExportPDF}
-                  className="flex items-center gap-1 px-3 py-1.5 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg text-[11px] font-bold shadow-md transition-all active:scale-95 whitespace-nowrap"
-                >
-                  📥 {t('exportPDF') || 'Xuất PDF'}
-                </button>
-              </div>
+              {viewMode !== 'map' && (
+                <div className="flex justify-center gap-2 mb-6">
+                  <button 
+                    onClick={handleExportCSV}
+                    className="flex items-center gap-1 px-3 py-1.5 bg-emerald-600 hover:bg-emerald-700 text-white rounded-lg text-[11px] font-bold shadow-md transition-all active:scale-95 whitespace-nowrap"
+                  >
+                    📊 Google Sheets
+                  </button>
+                  <button 
+                    onClick={handleExportPDF}
+                    className="flex items-center gap-1 px-3 py-1.5 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg text-[11px] font-bold shadow-md transition-all active:scale-95 whitespace-nowrap"
+                  >
+                    📥 {t('exportPDF') || 'Xuất PDF'}
+                  </button>
+                </div>
+              )}
 
               {viewMode === 'timeline' ? (
                 <ItineraryTimeline onAddLocation={(legId, isStart, isEnd) => {
@@ -2259,7 +2296,7 @@ export const TourDetailPage = ({
                 onOpenNavigationPage={onOpenNavigationPage}
               />
               ) : (
-                <div className="h-[60vh] w-full rounded-3xl overflow-hidden shadow-xl border-4 border-white relative animate-in fade-in duration-500">
+                <div className="h-[calc(100vh-53px)] w-full md:rounded-3xl overflow-hidden md:shadow-xl md:border-4 md:border-white relative animate-in fade-in duration-500">
                   {/* Search Bar Overlay - Thanh tìm kiếm địa điểm trên bản đồ lộ trình */}
                   {!isPublicView && (
                     <div className="absolute top-3 right-3 z-[1001] w-48 md:w-64">
@@ -2485,6 +2522,19 @@ export const TourDetailPage = ({
                     </MarkerClusterGroup>
                   </MapContainer>
 
+                  {/* Floating Compass Button */}
+                  <button 
+                    onClick={toggleCompassMode}
+                    className={`absolute bottom-16 right-4 z-[1001] w-10 h-10 rounded-xl border flex items-center justify-center shadow-xl transition-all active:scale-95 ${
+                      isHeadingMode 
+                        ? 'bg-blue-600 border-blue-400 text-white shadow-md' 
+                        : 'bg-white/90 backdrop-blur-md border-white text-gray-500 hover:bg-gray-100'
+                    }`}
+                    title={isHeadingMode ? "Khóa hướng Bắc" : "Xoay theo hướng nhìn"}
+                  >
+                    <Compass className="w-5 h-5 transition-transform duration-300" style={{ transform: `rotate(${mapRotation}deg)` }} />
+                  </button>
+
                   {/* Floating Locate User Button */}
                   <button 
                     onClick={() => setLocateTrigger(prev => prev + 1)}
@@ -2494,6 +2544,15 @@ export const TourDetailPage = ({
                   >
                     <LocateFixed className="w-5 h-5" />
                   </button>
+
+                  {/* Floating Back to Timeline Button */}
+                  <button 
+                    onClick={() => setViewMode('timeline')}
+                    className="absolute top-3 left-14 z-[1001] h-9 px-3 bg-white/90 backdrop-blur-md rounded-xl shadow-xl border border-white text-gray-700 hover:bg-gray-50 hover:text-blue-600 transition-all active:scale-95 flex items-center gap-1.5 text-xs font-bold"
+                    title="Quay lại danh sách chặng"
+                  >
+                    <List className="w-4 h-4" /> Danh sách
+                  </button>
                   
                   {/* Menu ngữ cảnh khi click chuột phải vào con đường */}
                   {routeMenu && (
@@ -3194,7 +3253,7 @@ export const TourDetailPage = ({
       </div>
 
       {/* Floating Action Button (Mobile) */}
-      {((activeTab === 'plan' && canEdit) || (activeTab === 'photo' && canUploadPhoto)) && !isPublicView && (
+      {((activeTab === 'plan' && viewMode === 'timeline' && canEdit) || (activeTab === 'photo' && canUploadPhoto)) && !isPublicView && (
         <div className="fixed bottom-6 left-1/2 -translate-x-1/2 z-40">
           <button 
             onClick={() => {
@@ -3281,6 +3340,19 @@ export const TourDetailPage = ({
             })}
           </MapContainer>
 
+          {/* Floating Compass Button (Fullscreen) */}
+          <button 
+            onClick={toggleCompassMode}
+            className={`absolute bottom-22 right-6 z-[1001] w-12 h-12 rounded-2xl border flex items-center justify-center shadow-xl transition-all active:scale-95 ${
+              isHeadingMode 
+                ? 'bg-blue-600 border-blue-400 text-white shadow-md' 
+                : 'bg-white/90 backdrop-blur-md border-white text-gray-500 hover:bg-gray-100'
+            }`}
+            title={isHeadingMode ? "Khóa hướng Bắc" : "Xoay theo hướng nhìn"}
+          >
+            <Compass className="w-6 h-6 transition-transform duration-300" style={{ transform: `rotate(${mapRotation}deg)` }} />
+          </button>
+
           {/* Floating Locate User Button (Fullscreen) */}
           <button 
             onClick={() => setLocateTrigger(prev => prev + 1)}
@@ -3307,9 +3379,7 @@ export const TourDetailPage = ({
                   <button onClick={() => { setTravelMode('foot'); setIsMapControlsOpen(false); }} className={`w-9 h-9 flex items-center justify-center rounded-xl ${travelMode === 'foot' ? 'bg-blue-600 text-white' : 'text-gray-500'}`}><Footprints className="w-4 h-4" /></button>
                   <button 
                     onClick={() => {
-                      const newMode = !isHeadingMode;
-                      setIsHeadingMode(newMode);
-                      if (!newMode) setMapRotation(0);
+                      toggleCompassMode();
                       setIsMapControlsOpen(false);
                     }}
                     className={`w-9 h-9 flex items-center justify-center rounded-xl border-t border-gray-100 transition-all ${isHeadingMode ? 'bg-blue-600 text-white' : 'text-gray-500'}`}