feat: Add Pause system, User Profile Dashboard, and shift grid with neighbour fence

- Implement in-game pause with Space/KeyP hotkeys and pause banner overlay
- Split Auth modal into clean Profile Dashboard (stats, coins, cloud save status) and Guest Login
- Shift lawn startY to 108 to make top-row zombie HP bars 100% visible
- Render decorative wooden neighbour fence above top row

game/js/game.js

@@ -63,6 +63,7 @@ window.GameEngine = class GameEngine {
     this.isGameOver = false;
     this.isVictory = false;
     this.gameSpeed = 1.0;
+    this.isPaused = false;
     this.lastTime = 0;
     this.hoverCell = null;
     this.loopStarted = false;
@@ -187,35 +188,62 @@ window.GameEngine = class GameEngine {
     if (window.PvZAudio) window.PvZAudio.playCoin();
   }
 
+  togglePause() {
+    if (!this.isRunning) return;
+    this.isPaused = !this.isPaused;
+    const btnPause = document.getElementById('btn-pause');
+    if (btnPause) {
+      btnPause.textContent = this.isPaused ? '▶️ Играть' : '⏸️ Пауза';
+      if (this.isPaused) btnPause.classList.add('active');
+      else btnPause.classList.remove('active');
+    }
+    this.triggerHaptic(15);
+    if (window.PvZAudio) window.PvZAudio.playButtonClick();
+  }
+
   updateProfileUI() {
     const badgeName = document.getElementById('badge-user-name');
     const btnAuth = document.getElementById('btn-auth-open');
     const btnLogoutNav = document.getElementById('btn-auth-logout-nav');
-    const authStatus = document.getElementById('auth-current-status');
-    const btnLogoutModal = document.getElementById('btn-auth-logout');
-    const btnAuthGuest = document.getElementById('btn-auth-guest');
+    const loggedInView = document.getElementById('auth-logged-in-view');
+    const guestView = document.getElementById('auth-guest-view');
+    const userTitle = document.getElementById('profile-user-title');
+    const statCoins = document.getElementById('profile-stat-coins');
+    const statLevel = document.getElementById('profile-stat-level');
+    const statScore = document.getElementById('profile-stat-score');
+    const statMaterials = document.getElementById('profile-stat-materials');
 
     if (window.PvZAuth) {
       const user = window.PvZAuth.getCurrentUser();
       const isGuest = window.PvZAuth.isGuest();
+      const uData = window.PvZAuth.getUserData();
+
       if (badgeName) badgeName.textContent = isGuest ? '👤 Гость' : `👤 ${user}`;
-      if (btnAuth) btnAuth.textContent = isGuest ? 'Войти' : 'Сменить';
+      if (btnAuth) btnAuth.textContent = isGuest ? 'Войти' : 'Профиль';
+
       if (btnLogoutNav) {
         if (isGuest) btnLogoutNav.classList.add('hidden');
         else btnLogoutNav.classList.remove('hidden');
       }
-      if (authStatus) {
-        authStatus.innerHTML = isGuest 
-          ? 'Текущий режим: <strong>Гость</strong>' 
-          : `Вы вошли как: <strong>${user}</strong>`;
-      }
-      if (btnLogoutModal) {
-        if (isGuest) btnLogoutModal.classList.add('hidden');
-        else btnLogoutModal.classList.remove('hidden');
-      }
-      if (btnAuthGuest) {
-        if (isGuest) btnAuthGuest.classList.remove('hidden');
-        else btnAuthGuest.classList.add('hidden');
+
+      if (loggedInView && guestView) {
+        if (isGuest) {
+          loggedInView.classList.add('hidden');
+          guestView.classList.remove('hidden');
+        } else {
+          loggedInView.classList.remove('hidden');
+          guestView.classList.add('hidden');
+
+          if (userTitle) userTitle.textContent = user;
+          if (statCoins) statCoins.textContent = (uData.coins || (this.economy ? this.economy.totalCoins : 0)).toLocaleString('ru-RU');
+          if (statLevel) statLevel.textContent = `Уровень ${uData.level || this.currentLevel || 1}`;
+          if (statScore) statScore.textContent = (uData.highScore || this.highScore || 0).toLocaleString('ru-RU');
+          if (statMaterials) {
+            const mats = uData.materials || (this.workshop ? this.workshop.materials : {});
+            const totalMats = (mats.bioHumus || 0) + (mats.scrapMetal || 0) + (mats.sunEssence || 0) + (mats.crystals || 0);
+            statMaterials.textContent = `${totalMats} шт.`;
+          }
+        }
       }
     }
   }
@@ -775,6 +803,26 @@ window.GameEngine = class GameEngine {
       });
     }
 
+    // Pause Button
+    const btnPause = document.getElementById('btn-pause');
+    if (btnPause) {
+      btnPause.addEventListener('click', () => {
+        this.togglePause();
+      });
+    }
+
+    // Global Pause Hotkeys (Space, KeyP)
+    window.addEventListener('keydown', (e) => {
+      // Do not intercept hotkeys if user is typing in an input or textarea
+      if (['INPUT', 'TEXTAREA', 'SELECT'].includes(document.activeElement?.tagName)) return;
+      if (e.code === 'Space' || e.code === 'KeyP') {
+        e.preventDefault();
+        if (this.isRunning) {
+          this.togglePause();
+        }
+      }
+    });
+
     // Music
     const btnMusic = document.getElementById('btn-music');
     if (btnMusic) {
@@ -813,6 +861,7 @@ window.GameEngine = class GameEngine {
     const authModal = document.getElementById('auth-modal');
     const btnAuthOpen = document.getElementById('btn-auth-open');
     const btnAuthClose = document.getElementById('btn-auth-close');
+    const btnAuthCloseProfile = document.getElementById('btn-auth-close-profile');
     const btnAuthSubmit = document.getElementById('btn-auth-submit');
     const btnAuthGuest = document.getElementById('btn-auth-guest');
     const btnAuthLogout = document.getElementById('btn-auth-logout');
@@ -848,7 +897,7 @@ window.GameEngine = class GameEngine {
         if (authError) authError.classList.add('hidden');
         this.updateProfileUI();
         authModal.classList.remove('hidden');
-        if (authUser) authUser.focus();
+        if (authUser && window.PvZAuth && window.PvZAuth.isGuest()) authUser.focus();
       });
     }
     if (btnAuthClose && authModal) {
@@ -856,6 +905,11 @@ window.GameEngine = class GameEngine {
         authModal.classList.add('hidden');
       });
     }
+    if (btnAuthCloseProfile && authModal) {
+      btnAuthCloseProfile.addEventListener('click', () => {
+        authModal.classList.add('hidden');
+      });
+    }
     if (btnAuthGuest && authModal) {
       btnAuthGuest.addEventListener('click', () => {
         handleLogout();
@@ -2300,7 +2354,7 @@ window.GameEngine = class GameEngine {
     this.lastTime = timestamp;
     const dt = rawDt * this.gameSpeed;
 
-    if (this.isRunning) {
+    if (this.isRunning && !this.isPaused) {
       this.update(dt);
     }
     this.render();
@@ -2466,6 +2520,36 @@ window.GameEngine = class GameEngine {
           : (this.currentMode === 'roguelike' ? `Рогалик: Этаж ${this.roguelike ? this.roguelike.currentFloor : 1}` : `Уровень ${this.currentLevel}`)));
     this.ctx.fillText(`${modeLabel} | Счёт: ${this.score}`, 880, 78);
     this.ctx.restore();
+
+    // 11. Pause Banner Overlay
+    if (this.isPaused) {
+      this.ctx.save();
+      this.ctx.fillStyle = 'rgba(0, 0, 0, 0.65)';
+      this.ctx.fillRect(0, 0, this.logicalWidth, this.logicalHeight);
+
+      // Center Modal Card
+      this.ctx.fillStyle = '#2a160c';
+      this.ctx.strokeStyle = '#e09f3e';
+      this.ctx.lineWidth = 4;
+      this.ctx.beginPath();
+      this.ctx.roundRect(260, 210, 380, 180, 16);
+      this.ctx.fill();
+      this.ctx.stroke();
+
+      this.ctx.fillStyle = '#ffeb3b';
+      this.ctx.font = 'bold 28px sans-serif';
+      this.ctx.textAlign = 'center';
+      this.ctx.fillText('⏸️ ИГРА НА ПАУЗЕ', this.logicalWidth / 2, 270);
+
+      this.ctx.fillStyle = '#e0e0e0';
+      this.ctx.font = '14px sans-serif';
+      this.ctx.fillText('Все растения и зомби остановлены.', this.logicalWidth / 2, 308);
+
+      this.ctx.fillStyle = '#81c784';
+      this.ctx.font = 'bold 15px sans-serif';
+      this.ctx.fillText('Нажмите Пробел или кнопку «▶️ Играть»', this.logicalWidth / 2, 345);
+      this.ctx.restore();
+    }
   }
 
   drawRake(ctx, x, y) {