diff --git a/patterns/vsf-meldungen.html b/patterns/vsf-meldungen.html
index a78eb5a..351ada7 100644
--- a/patterns/vsf-meldungen.html
+++ b/patterns/vsf-meldungen.html
@@ -145,5 +145,240 @@
       </p>
     </article>
 
+  <script src="../scripts/help-icon-overlays.js"></script>
+  <script>
+    document.querySelectorAll('.sg-portal-header__tabs').forEach((group) => {
+      group.querySelectorAll('.sg-tab-button').forEach((button) => {
+        button.addEventListener('click', () => {
+          group.querySelectorAll('.sg-tab-button').forEach((otherButton) => {
+            const isActive = otherButton === button;
+            otherButton.setAttribute('aria-selected', String(isActive));
+            otherButton.dataset.componentState = isActive ? 'active' : 'inactive';
+          });
+        });
+      });
+    });
+
+    document.querySelectorAll('.sg-sandwich-menu-wrap').forEach((wrap) => {
+      const button = wrap.querySelector('.sg-sandwich-button');
+
+      button.addEventListener('click', (event) => {
+        event.stopPropagation();
+        const nextState = wrap.dataset.open !== 'true';
+        document.querySelectorAll('.sg-sandwich-menu-wrap').forEach((otherWrap) => {
+          const otherButton = otherWrap.querySelector('.sg-sandwich-button');
+          otherWrap.dataset.open = 'false';
+          if (otherButton) {
+            otherButton.setAttribute('aria-expanded', 'false');
+          }
+        });
+        wrap.dataset.open = String(nextState);
+        button.setAttribute('aria-expanded', String(nextState));
+      });
+    });
+
+    document.querySelectorAll('.sg-mode-toggle').forEach((toggle) => {
+      toggle.addEventListener('click', () => {
+        const nextState = toggle.dataset.active === 'relative' ? 'absolute' : 'relative';
+        toggle.dataset.active = nextState;
+        toggle.dataset.componentState = nextState;
+        toggle.setAttribute(
+          'aria-label',
+          `Modus Schieber global: ${nextState === 'relative' ? 'relativ' : 'absolut'} aktiv`
+        );
+      });
+    });
+
+    const updatePulldownSelectionState = (demo) => {
+      const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
+      const selectableOptions = demo.querySelectorAll('[data-pulldown-option]');
+
+      if (!trigger || selectableOptions.length === 0) {
+        return;
+      }
+
+      const selectedCount = Array.from(selectableOptions).filter((option) => {
+        return option.getAttribute('aria-checked') === 'true';
+      }).length;
+
+      selectableOptions.forEach((option) => {
+        const optionRow = option.closest('.sg-pulldown-option');
+        if (!optionRow) {
+          return;
+        }
+
+        optionRow.classList.toggle(
+          'sg-pulldown-option--selected',
+          option.getAttribute('aria-checked') === 'true'
+        );
+      });
+
+      const labelBase = trigger.dataset.labelBase || 'Auswahl';
+
+      trigger.textContent = selectedCount > 0 ? `${labelBase} (${selectedCount})` : labelBase;
+      trigger.classList.toggle('sg-pulldown--selected', selectedCount > 0);
+      trigger.classList.toggle('sg-form-active', selectedCount > 0);
+      trigger.dataset.componentState = selectedCount > 0 ? 'selected' : 'inactive-selectable';
+      demo.dataset.componentState = selectedCount > 0 ? 'selected' : 'inactive-selectable';
+      trigger.setAttribute(
+        'aria-label',
+        selectedCount > 0 ? `Pulldown ${labelBase} mit aktiver Auswahl` : `Pulldown ${labelBase} ohne aktive Auswahl`
+      );
+    };
+
+    document.querySelectorAll('.sg-pulldown-demo').forEach((demo) => {
+      const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
+
+      if (!trigger) {
+        return;
+      }
+
+      trigger.addEventListener('click', (event) => {
+        event.stopPropagation();
+        const nextState = demo.dataset.open !== 'true';
+
+        document.querySelectorAll('.sg-pulldown-demo').forEach((otherDemo) => {
+          const otherTrigger = otherDemo.querySelector('.sg-pulldown-demo__trigger');
+          otherDemo.dataset.open = 'false';
+          if (otherTrigger) {
+            otherTrigger.setAttribute('aria-expanded', 'false');
+          }
+        });
+
+        demo.dataset.align = 'left';
+        demo.dataset.open = String(nextState);
+        trigger.setAttribute('aria-expanded', String(nextState));
+
+        if (!nextState) {
+          return;
+        }
+
+        const panel = demo.querySelector('.sg-pulldown-panel');
+        if (!panel) {
+          return;
+        }
+
+        const panelRect = panel.getBoundingClientRect();
+        if (panelRect.right > window.innerWidth) {
+          demo.dataset.align = 'right';
+        }
+
+        const alignedPanelRect = panel.getBoundingClientRect();
+        if (alignedPanelRect.left < 0) {
+          demo.dataset.align = 'left';
+        }
+      });
+    });
+
+    document.querySelectorAll('.sg-checkbox-field').forEach((checkbox) => {
+      checkbox.addEventListener('click', (event) => {
+        event.stopPropagation();
+        if (checkbox.disabled) {
+          return;
+        }
+
+        const nextState = checkbox.getAttribute('aria-checked') !== 'true';
+        checkbox.setAttribute('aria-checked', String(nextState));
+
+        const pulldownDemo = checkbox.closest('.sg-pulldown-demo');
+        if (pulldownDemo) {
+          updatePulldownSelectionState(pulldownDemo);
+          pulldownDemo.dataset.open = 'true';
+          const trigger = pulldownDemo.querySelector('.sg-pulldown-demo__trigger');
+          if (trigger) {
+            trigger.setAttribute('aria-expanded', 'true');
+          }
+        }
+      });
+    });
+
+    document.querySelectorAll('.sg-pulldown-option[data-pulldown-option]').forEach((option) => {
+      option.addEventListener('click', (event) => {
+        event.stopPropagation();
+        const pulldownDemo = option.closest('.sg-pulldown-demo');
+        if (pulldownDemo) {
+          const selectionMode = pulldownDemo.dataset.selectionMode || 'single';
+          if (selectionMode === 'multiple') {
+            const nextState = option.getAttribute('aria-checked') !== 'true';
+            option.setAttribute('aria-checked', String(nextState));
+          } else {
+            pulldownDemo.querySelectorAll('[data-pulldown-option]').forEach((otherOption) => {
+              otherOption.setAttribute('aria-checked', String(otherOption === option));
+            });
+          }
+
+          updatePulldownSelectionState(pulldownDemo);
+          const trigger = pulldownDemo.querySelector('.sg-pulldown-demo__trigger');
+          if (selectionMode === 'multiple') {
+            pulldownDemo.dataset.open = 'true';
+            if (trigger) {
+              trigger.setAttribute('aria-expanded', 'true');
+            }
+          } else {
+            pulldownDemo.dataset.open = 'false';
+            if (trigger) {
+              trigger.setAttribute('aria-expanded', 'false');
+            }
+          }
+        }
+      });
+    });
+
+    document.querySelectorAll('.sg-pulldown-demo').forEach(updatePulldownSelectionState);
+
+    window.sgInitHelpIconOverlays({
+      closeOnOpenSelectors: ['.sg-pulldown-demo', '.sg-sandwich-menu-wrap'],
+      outsideClickIgnoreSelectors: ['.sg-pulldown-demo', '.sg-sandwich-menu-wrap'],
+    });
+
+    document.querySelectorAll('.sg-input-single-line-wrap').forEach((wrap) => {
+      const input = wrap.querySelector('.sg-input-single-line');
+      const clearButton = wrap.querySelector('.sg-input-clear-button');
+
+      if (!input || !clearButton) {
+        return;
+      }
+
+      const updateState = () => {
+        wrap.dataset.hasValue = String(input.value.length > 0);
+        wrap.dataset.componentState = input.value.length > 0 ? 'active' : 'inactive-selectable';
+      };
+
+      input.addEventListener('input', updateState);
+
+      clearButton.addEventListener('click', () => {
+        input.value = '';
+        updateState();
+        input.focus();
+      });
+
+      updateState();
+    });
+
+    document.addEventListener('click', (event) => {
+      if (!event.target.closest('.sg-sandwich-menu-wrap')) {
+        document.querySelectorAll('.sg-sandwich-menu-wrap').forEach((wrap) => {
+          const button = wrap.querySelector('.sg-sandwich-button');
+          wrap.dataset.open = 'false';
+          if (button) {
+            button.setAttribute('aria-expanded', 'false');
+          }
+        });
+      }
+
+      if (event.target.closest('.sg-pulldown-demo')) {
+        return;
+      }
+
+      document.querySelectorAll('.sg-pulldown-demo').forEach((demo) => {
+        const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
+        demo.dataset.open = 'false';
+        if (trigger) {
+          trigger.setAttribute('aria-expanded', 'false');
+        }
+      });
+    });
+  </script>
+
 </body>
 </html>