Top bar breadcrumb layout breaks when modules add items to the Tools region
>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3582586. --> Reported by: [arthur_lorenz](https://www.drupal.org/user/3529915) Related to !770 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>When additional items are placed in the Tools region of navigation's top bar, the breadcrumb area's vertical alignment becomes broken.</p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <ol> <li>Enable the Navigation module and Gin admin theme.</li> <li>Enable <code>responsive_preview_navigation</code> (or any module that adds a TopBarItem to the Tools region).</li> <li>Observe the breadcrumb area.</li> </ol> <p>Before:<br> <img src="https://www.drupal.org/files/issues/2026-04-01/topbar-before.png" alt=""></p> <p>After:<br> <img src="https://www.drupal.org/files/issues/2026-04-01/topbar-after.png" alt=""></p>
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