diff --git a/templates/header.php b/templates/header.php
index df10cda..4c20032 100644
--- a/templates/header.php
+++ b/templates/header.php
@@ -55,30 +55,30 @@ $_thesisId     = $_GET['id'] ?? null;
         </ul>
     </nav>
 
-    <?php
-    // Search bar — public section only
-    $searchBarValue = $searchBarValue ?? $_GET['query'] ?? '';
-    ?>
-    <div class="header-search-wrap">
-        <form method="GET" action="/search.php"
-              role="search" aria-label="Recherche">
-            <label for="site-search-input" class="sr-only">Recherche</label>
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"
-                 fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"
-                 aria-hidden="true" focusable="false">
-                <circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/>
-            </svg>
-            <input
-                id="site-search-input"
-                type="text"
-                name="query"
-                placeholder="Recherche..."
-                value="<?= htmlspecialchars($searchBarValue) ?>"
-                autocomplete="off"
-            >
-        </form>
-    </div>
-
-    <?php endif; ?>
-
 </header>
+
+<?php if (!$_isAdmin): ?>
+<?php
+// Search bar — public section only (rendered below header for equal height)
+$searchBarValue = $searchBarValue ?? $_GET['query'] ?? '';
+?>
+<div class="header-search-wrap">
+    <form method="GET" action="/search.php"
+          role="search" aria-label="Recherche">
+        <label for="site-search-input" class="sr-only">Recherche</label>
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"
+             fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"
+             aria-hidden="true" focusable="false">
+            <circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/>
+        </svg>
+        <input
+            id="site-search-input"
+            type="text"
+            name="query"
+            placeholder="Recherche..."
+            value="<?= htmlspecialchars($searchBarValue) ?>"
+            autocomplete="off"
+        >
+    </form>
+</div>
+<?php endif; ?>