Redesign withdrawal form: step indicator, refined CSS, print button

Add scoped CSS with Navy/warm-white palette, system serif headings, and
card-style radio inputs. Add 3-step progress indicator across all views.
Add print/PDF button on success page. Register CSS via registerStylesheet.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

controllers/front/withdraw.php

@@ -26,6 +26,12 @@ class Simple_withdrawalbuttonWithdrawModuleFrontController extends ModuleFrontCo
     {
         parent::initContent();
 
+        $this->registerStylesheet(
+            'cyp-withdrawal',
+            'modules/' . $this->module->name . '/views/css/withdrawal.css',
+            ['media' => 'all', 'priority' => 200]
+        );
+
         $this->context->smarty->assign([
             'errors_list' => $this->errorsList,
             'form_data' => $this->formData,