UX fixes: admin link gating, GPS pulse timeout, ? shortcut overlay, offline queue, native confirm→modal

static/index.html

@@ -1228,7 +1228,7 @@
       <div style="font-size:11px;line-height:1.5;margin-bottom:6px;">
         <kbd>Esc</kbd> to close · <kbd>Ctrl</kbd>+<kbd>/</kbd> to search · <svg class="gi" aria-hidden="true"><use href="#gi-help"/></svg> for help
       </div>
-      <a href="https://admin.canteen.ourpad.casa" target="_blank" rel="noopener" style="display:block;font-size:11px;color:var(--accent2);text-decoration:none;"><svg class="gi" aria-hidden="true"><use href="#gi-gear"/></svg> Admin Panel</a>
+      <a href="https://admin.canteen.ourpad.casa" target="_blank" rel="noopener" class="admin-only" style="display:none;font-size:11px;color:var(--accent2);text-decoration:none;"><svg class="gi" aria-hidden="true"><use href="#gi-gear"/></svg> Admin Panel</a>
     </div>
   </div>
 
@@ -1255,6 +1255,11 @@
         </div>
         <div id="scanStatus" class="status-bar">Point camera at a barcode</div>
         <div id="scanResult" class="scan-result" style="display:none;"></div>
+        <div id="manualSearchFallback" style="margin-top:12px;display:none;">
+          <div style="font-size:12px;color:var(--text2);margin-bottom:6px;">Or enter ID manually:</div>
+          <input type="text" id="manualBarcodeInput" class="input-field" placeholder="Connect ID or barcode..." onkeypress="if(event.key==='Enter')handleManualBarcode()">
+          <button class="btn btn-primary btn-sm" onclick="handleManualBarcode()" style="margin-top:6px;">Search</button>
+        </div>
       </div>
 
     </div>
@@ -1953,6 +1958,7 @@
         <ul style="margin:0 0 12px 20px;padding:0;list-style:disc;">
           <li><kbd>Ctrl</kbd>+<kbd>/</kbd> — Focus search bar</li>
           <li><kbd>Escape</kbd> — Close drawers, modals, or go back</li>
+          <li><kbd>?</kbd> — Show this help modal (anywhere)</li>
         </ul>
         <p style="margin-bottom:10px;"><strong>Navigation</strong></p>
         <ul style="margin:0 0 12px 20px;padding:0;list-style:disc;">
@@ -2058,6 +2064,7 @@
 
     function isLoggedIn() { return !!AppState.authToken; }
     function isTechnician() { return AppState.currentUser && AppState.currentUser.role === 'technician'; }
+    function isAdmin() { return AppState.currentUser && AppState.currentUser.role === 'admin'; }
 
     // ── Dropdown helper ────────────────────────────────────────────────────
     let _activeDropdown = null;
@@ -2113,6 +2120,11 @@
       document.querySelectorAll('.tech-only').forEach(el => {
         el.style.display = isTechnician() ? '' : 'none';
       });
+
+      // Admin-only elements
+      document.querySelectorAll('.admin-only').forEach(el => {
+        el.style.display = isAdmin() ? 'block' : 'none';
+      });
     }
 
     // Try to restore session from localStorage or auto-login
@@ -2236,6 +2248,15 @@
         if (searchEl) { searchEl.focus(); searchEl.select(); }
         return;
       }
+      // ? — show keyboard shortcut overlay (only when not typing in an input)
+      if (e.key === '?' && !e.ctrlKey && !e.metaKey && !e.altKey) {
+        var tag = document.activeElement?.tagName || '';
+        if (!['INPUT', 'TEXTAREA', 'SELECT'].includes(tag)) {
+          e.preventDefault();
+          showShortcutOverlay();
+          return;
+        }
+      }
       // Escape — close modals, drawers, go back
       if (e.key === 'Escape') {
         var helpOverlay = document.getElementById('helpModalOverlay');
@@ -2300,6 +2321,7 @@
       badge.style.cursor = 'pointer';
       badge.onclick = function() {
         badge.innerHTML = gi('📍') + ' Locating...';
+        badge.className = 'gps-badge waiting';
         requestLocation().then(() => {
           updateGpsBadge();
           // Re-enable for next re-capture
@@ -2313,6 +2335,12 @@
       requestLocation().catch(() => {
         // Silent fail is expected on mobile — badge click handler covers it
       });
+      // Stop pulsing animation after 10s if GPS still hasn't resolved
+      setTimeout(() => {
+        if (badge.classList.contains('waiting')) {
+          badge.style.animation = 'none';
+        }
+      }, 10000);
     }
 
     function updateGpsBadge() {
@@ -2339,6 +2367,69 @@
       toastTimer = setTimeout(() => t.classList.remove('show'), 4000);
     }
 
+    // =========================================================================
+    // OFFLINE QUEUE
+    // =========================================================================
+    const offlineQueue = [];
+
+    function updateOnlineStatus() {
+      const banner = document.getElementById('offlineBanner');
+      const indicator = document.getElementById('queueIndicator');
+      if (!navigator.onLine) {
+        if (banner) banner.classList.add('show');
+        if (indicator) indicator.style.display = offlineQueue.length > 0 ? 'flex' : 'none';
+        showToast('📡 Offline — changes will sync when connected', false);
+      } else {
+        if (banner) banner.classList.remove('show');
+        if (indicator) indicator.style.display = 'none';
+        if (offlineQueue.length > 0) {
+          processOfflineQueue();
+        }
+      }
+    }
+
+    function processOfflineQueue() {
+      const count = offlineQueue.length;
+      if (count === 0) {
+        showToast('No queued actions to sync', false);
+        return;
+      }
+      showToast('Syncing ' + count + ' queued action(s)...', false);
+      const queue = [...offlineQueue];
+      offlineQueue.length = 0;
+      let synced = 0;
+      let failed = 0;
+      queue.forEach((item, i) => {
+        // Attempt each queued action
+        const attempt = item.action();
+        if (attempt && typeof attempt.then === 'function') {
+          attempt.then(() => synced++).catch(() => {
+            failed++;
+            offlineQueue.push(item); // Re-queue on failure
+          });
+        } else {
+          synced++;
+        }
+      });
+      setTimeout(() => {
+        updateOnlineStatus();
+        if (failed === 0) {
+          showToast('✅ Synced ' + synced + ' action(s)', false);
+        } else {
+          showToast('⚠️ Synced ' + synced + ', ' + failed + ' failed (will retry)', true);
+        }
+      }, 500);
+    }
+
+    function enqueueOffline(actionFn, description) {
+      offlineQueue.push({ action: actionFn, description: description || 'queued action', timestamp: Date.now() });
+      const countEl = document.getElementById('queueIndicatorCount');
+      if (countEl) countEl.textContent = offlineQueue.length;
+      const indicator = document.getElementById('queueIndicator');
+      if (indicator) indicator.style.display = 'flex';
+      showToast('📡 Saved offline: ' + (description || 'action') + ' — will sync when connected', false);
+    }
+
     // =========================================================================
     // MODAL
     // =========================================================================
@@ -2370,6 +2461,11 @@
     function showHelpModal() {
       document.getElementById('helpModalOverlay').classList.add('open');
     }
+    function showShortcutOverlay() {
+      // Use the help modal as the overlay (it already lists all shortcuts)
+      document.getElementById('helpModalOverlay').classList.add('open');
+      showToast('Press ? again or Esc to close', false);
+    }
     function closeHelpModal(e) {
       if (e && e.target !== e.currentTarget) return;
       document.getElementById('helpModalOverlay').classList.remove('open');
@@ -2811,6 +2907,21 @@
         setScanStatus('Camera failed: ' + e.message, 'error');
         const ph = document.getElementById('cameraPlaceholder');
         if (ph) ph.innerHTML = `<span class="cam-icon">${gi("📷")}</span><div class="cam-hint" style="margin-top:4px;">Camera: ${e.message}</div>`;
+        // Show manual search fallback
+        const fallback = document.getElementById('manualSearchFallback');
+        if (fallback) {
+          fallback.style.display = 'block';
+          fallback.innerHTML = `
+            <div style="background:var(--red-bg);color:var(--red);padding:10px;border-radius:8px;margin-bottom:10px;font-size:13px;">
+              <strong>Camera unavailable</strong><br>
+              ${getCameraErrorMessage(e)}
+            </div>
+            <div style="font-size:12px;color:var(--text2);margin-bottom:6px;">Enter ID manually:</div>
+            <input type="text" id="manualBarcodeInput" class="input-field" placeholder="Connect ID or barcode..." onkeypress="if(event.key==='Enter')handleManualBarcode()">
+            <button class="btn btn-primary btn-sm" onclick="handleManualBarcode()" style="margin-top:6px;width:100%;">Search</button>
+            <button class="btn btn-outline btn-sm" onclick="startScanning()" style="margin-top:6px;width:100%;">Try camera again</button>
+          `;
+        }
       }
     }
 
@@ -2838,6 +2949,34 @@
       if (el) { el.textContent = msg; el.className = 'status-bar ' + cls; }
     }
 
+    function getCameraErrorMessage(err) {
+      if (err.name === 'NotAllowedError') {
+        return 'Camera permission denied. Please allow camera access in your browser settings and reload.';
+      }
+      if (err.name === 'NotFoundError') {
+        return 'No camera found on this device. Enter an ID manually below.';
+      }
+      if (err.name === 'NotReadableError') {
+        return 'Camera is in use by another app. Close other apps using the camera and try again.';
+      }
+      if (err.name === 'OverconstrainedError') {
+        return 'No suitable camera found. Try a different device or enter an ID manually.';
+      }
+      return err.message || 'Unknown camera error. Try entering an ID manually.';
+    }
+
+    function handleManualBarcode() {
+      const input = document.getElementById('manualBarcodeInput');
+      if (!input) return;
+      const value = input.value.trim();
+      if (!value) {
+        showToast('Please enter a Connect ID or barcode', true);
+        return;
+      }
+      input.value = '';
+      handleBarcode(value);
+    }
+
     async function handleBarcode(machineId) {
       if (barcodeDebounce) return;
       barcodeDebounce = machineId;
@@ -6622,8 +6761,8 @@
         '&travelmode=driving';
       showToast('→ Next: ' + (nextStop.name || 'Stop ' + (rpState.currentStopIndex + 1)), false);
       // Offer to navigate
-      setTimeout(() => {
-        if (confirm('Navigate to ' + (nextStop.account_name || nextStop.name) + '?')) {
+      setTimeout(async () => {
+        if (await showModal('Navigate', 'Open directions to ' + (nextStop.account_name || nextStop.name) + ' in Google Maps?', 'Navigate', 'btn-primary')) {
           window.open(url, '_blank');
         }
       }, 500);
@@ -6715,6 +6854,17 @@
     document.addEventListener('DOMContentLoaded', () => {
       initAuth();
       initGPS();
+      // First-visit shortcut discovery toast
+      if (!localStorage.getItem('canteen_shortcuts_shown')) {
+        setTimeout(() => {
+          showToast('💡 Press ? for keyboard shortcuts · Esc to close', false);
+          localStorage.setItem('canteen_shortcuts_shown', 'true');
+        }, 3000);
+      }
+      // Online/offline detection
+      window.addEventListener('online', updateOnlineStatus);
+      window.addEventListener('offline', updateOnlineStatus);
+      updateOnlineStatus();
     });
 
   </script>