style : added proper backspace to input boxes

btc-ui-app-2/src/app/login/login.ts

@@ -26,48 +26,61 @@ export class LoginComponent {
     });
   }
 
-  setFocus(field: 'email' | 'password') {
+  setFocus(field: 'email' | 'password'): void {
     this.focusedField = field;
   }
 
-  onNumpadClick(value: string) {
+  onNumpadClick(value: string): void {
     if (!this.focusedField) return;
 
     const control = this.loginForm.get(this.focusedField);
     const current = control?.value || '';
     const newValue = current + value;
 
-    // Set the form control value
+    // Update form control
     control?.setValue(newValue);
 
-    // Set the input element value directly
+    // Update input element directly
     const inputRef = this.focusedField === 'email' ? this.emailInputRef : this.passwordInputRef;
     inputRef.nativeElement.value = newValue;
 
-    // Refocus to fix cursor position
-    setTimeout(() => inputRef.nativeElement.focus(), 0);
+    // Focus and move cursor to the end
+    setTimeout(() => {
+      const el = inputRef.nativeElement;
+      el.focus();
+      el.setSelectionRange(newValue.length, newValue.length);
+    }, 0);
 
     // Trigger change detection
     this.cdRef.detectChanges();
   }
 
-  onBackspace() {
+  onBackspace(): void {
     if (!this.focusedField) return;
 
     const control = this.loginForm.get(this.focusedField);
     const current = control?.value || '';
     const newValue = current.slice(0, -1);
 
+    // Update form control
     control?.setValue(newValue);
 
+    // Update input element directly
     const inputRef = this.focusedField === 'email' ? this.emailInputRef : this.passwordInputRef;
     inputRef.nativeElement.value = newValue;
 
-    setTimeout(() => inputRef.nativeElement.focus(), 0);
+    // Focus and move cursor to the end
+    setTimeout(() => {
+      const el = inputRef.nativeElement;
+      el.focus();
+      el.setSelectionRange(newValue.length, newValue.length);
+    }, 0);
+
+    // Trigger change detection
     this.cdRef.detectChanges();
   }
 
-  onSubmit() {
+  onSubmit(): void {
     console.log(this.loginForm.value);
   }
 }