diff --git a/assets/css/frontend/pages/submit.css b/assets/css/frontend/pages/submit.css
index a842a2b6..bf979db4 100644
--- a/assets/css/frontend/pages/submit.css
+++ b/assets/css/frontend/pages/submit.css
@@ -1,24 +1,5 @@
 /* Front-end article editor — follows the reference theme's newposts page. */
-.newposts-wrap {
-  display: flex;
-  align-items: flex-start;
-  gap: 15px;
-  width: 100%;
-  margin: 20px 0 30px;
-}
-
-.newposts-wrap > .content-layout {
-  flex: 1 1 auto;
-  min-width: 0;
-}
-
-.newposts-wrap > .sidebar {
-  display: block;
-  flex: 0 0 300px;
-  width: 300px;
-}
-
-.newposts-wrap .zib-widget {
+#aksrt-submit-form .zib-widget {
   margin-bottom: 15px;
   padding: 15px;
   border-radius: var(--main-radius, 8px);
@@ -516,33 +497,17 @@ body.aksrt-editor-media-open {
   margin-right: 4px;
 }
 
-.newposts-wrap [hidden] {
+#aksrt-submit-form [hidden] {
   display: none !important;
 }
 
-.newposts-wrap .new-posts-submit {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  white-space: nowrap;
-}
-
 @media (max-width: 991px) {
-  .newposts-wrap {
-    display: block;
+  body .newposts-wrap {
     float: none;
   }
-
-  .newposts-wrap > .sidebar {
-    width: 100%;
-  }
 }
 
 @media (max-width: 767px) {
-  .newposts-wrap {
-    margin-top: 10px;
-  }
-
   .newposts-wrap .zib-widget {
     border-radius: 0;
   }
diff --git a/templates/pages/page-submit.php b/templates/pages/page-submit.php
index 2c871893..fa79f7a4 100644
--- a/templates/pages/page-submit.php
+++ b/templates/pages/page-submit.php
@@ -223,24 +223,24 @@ get_header();
 			}
 			?>
 			</div>
-			<aside class="sidebar show-sidebar">
-				<?php \AKSRT\WidgetSystem\WidgetAreas::render('newposts_sidebar_top'); ?>
-				<?php
-				$terms = get_template_directory() . '/templates/parts/submit/sidebar-terms.php';
-				if (file_exists($terms)) {
-					include $terms;
-				}
-				$pay = get_template_directory() . '/templates/parts/submit/sidebar-pay.php';
-				if (file_exists($pay)) {
-					include $pay;
-				}
-				$actions = get_template_directory() . '/templates/parts/submit/sidebar-submit.php';
-				if (file_exists($actions)) {
-					include $actions;
-				}
-				?>
-				<?php \AKSRT\WidgetSystem\WidgetAreas::render('newposts_sidebar_bottom'); ?>
-			</aside>
+		</div>
+		<div class="sidebar show-sidebar">
+			<?php \AKSRT\WidgetSystem\WidgetAreas::render('newposts_sidebar_top'); ?>
+			<?php
+			$terms = get_template_directory() . '/templates/parts/submit/sidebar-terms.php';
+			if (file_exists($terms)) {
+				include $terms;
+			}
+			$pay = get_template_directory() . '/templates/parts/submit/sidebar-pay.php';
+			if (file_exists($pay)) {
+				include $pay;
+			}
+			$actions = get_template_directory() . '/templates/parts/submit/sidebar-submit.php';
+			if (file_exists($actions)) {
+				include $actions;
+			}
+			?>
+			<?php \AKSRT\WidgetSystem\WidgetAreas::render('newposts_sidebar_bottom'); ?>
 		</div>
 	</form>
 </main>
diff --git a/tests/widget-system/post-editor-reference-contract.test.cjs b/tests/widget-system/post-editor-reference-contract.test.cjs
index 1897ce62..1b6bc922 100644
--- a/tests/widget-system/post-editor-reference-contract.test.cjs
+++ b/tests/widget-system/post-editor-reference-contract.test.cjs
@@ -43,7 +43,8 @@ test('front submit follows the reference newposts shell and cards', () => {
 
   assert.match(page, /content-wrap newposts-wrap/);
   assert.match(page, /class="content-layout"/);
-  assert.match(page, /class="sidebar show-sidebar"/);
+  assert.match(page, /<\/div>\s*<\/div>\s*<div class="sidebar show-sidebar">/);
+  assert.equal((page.match(/class="sidebar show-sidebar"/g) || []).length, 1);
   assert.match(main, /zib-widget full-widget-sm editor-main-box/);
   assert.match(main, /relative newposts-title/);
   assert.match(terms, /newpost-cat-drop drop-select dropdown dependency-box/);
@@ -58,10 +59,11 @@ test('front submit follows the reference newposts shell and cards', () => {
   assert.match(pay, /pay-dawnload-edit/);
   assert.match(submit, /separator muted-3-color theme-box/);
   assert.match(submit, /new-posts-submit/);
-  assert.match(submitCss, /\.newposts-wrap \.new-posts-submit\s*{[^}]*display:\s*inline-flex;[^}]*white-space:\s*nowrap;/);
-  assert.doesNotMatch(submitCss, /\.newposts-wrap \.but-average\s*>\s*\*\s*{[^}]*flex:\s*1 1 0;/);
-  assert.match(mobileSubmitCss, /\.newposts-wrap\s*{[^}]*display:\s*block;/);
-  assert.match(mobileSubmitCss, /\.newposts-wrap > \.sidebar\s*{[^}]*width:\s*100%;/);
+  assert.match(mainCss, /\.but-average > \.but\s*{[^}]*flex:\s*auto;/);
+  assert.match(mainCss, /body \.sidebar\.show-sidebar\s*{[^}]*display:\s*unset;[^}]*width:\s*100%;[^}]*margin-left:\s*0;/);
+  assert.match(mobileSubmitCss, /body \.newposts-wrap\s*{[^}]*float:\s*none;/);
+  assert.doesNotMatch(submitCss, /\.newposts-wrap\s*>\s*\.(?:content-layout|sidebar)/);
+  assert.doesNotMatch(submitCss, /\.newposts-wrap \.new-posts-submit/);
 });
 
 test('front submit paid resources use the reference modal editor and compact list', () => {