Fix Ctrl+N/T opening browser windows instead of app actions

Moved Ctrl+N and Ctrl+T handlers before the generic Ctrl guard with their own e.preventDefault() and early return, matching the pattern used for Ctrl+A. Removed them from the old else-if chain and combined preventDefault block.

js/app.js

@@ -1417,12 +1417,26 @@ document.addEventListener('keydown', function(e) {
         return;
     }
 
+    // Ctrl+N — New entry (before generic guard to prevent browser new window)
+    if (e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey && e.code === 'KeyN' && !isInput && !document.getElementById('addModal').classList.contains('show') && document.getElementById('authSection').classList.contains('hidden')) {
+        e.preventDefault();
+        openAdd();
+        return;
+    }
+
+    // Ctrl+T — Toggle trash (before generic guard to prevent browser new tab)
+    if (e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey && e.code === 'KeyT' && !isInput && document.getElementById('authSection').classList.contains('hidden')) {
+        e.preventDefault();
+        toggleTrash();
+        return;
+    }
+
     // Only handle Ctrl+[key], no Shift/Alt/Meta
     if (!e.ctrlKey || e.shiftKey || e.altKey || e.metaKey) return;
     
     // Prevent browser defaults for ALL our shortcuts BEFORE dispatching
     const code = e.code;
-    if (code === 'KeyN' || code === 'KeyF' || code === 'KeyT' || code === 'KeyL' || code === 'KeyS') {
+    if (code === 'KeyF' || code === 'KeyL' || code === 'KeyS') {
         e.preventDefault();
     }
 
@@ -1435,13 +1449,9 @@ document.addEventListener('keydown', function(e) {
         return;
     }
 
-    if (code === 'KeyN') {
+    if (code === 'KeyF') {
-        if (!isInput && !document.getElementById('addModal').classList.contains('show')) openAdd();
-    } else if (code === 'KeyF') {
         const el = document.getElementById('searchInput');
         if (el) { el.focus(); el.select(); }
-    } else if (code === 'KeyT') {
-        if (!isInput) toggleTrash();
     } else if (code === 'KeyL') {
         if (!isInput) doLogout();
     } else if (code === 'KeyS') {