Update banner for small screens.

assets/scss/hugo_cookie_consent/style.scss

@@ -16,6 +16,12 @@
   gap: 1rem;
   z-index: 9999;
   transition: opacity 0.5s ease;
+
+  @media (max-width: 420px) {
+    flex-direction: column;
+    align-items: stretch;
+    gap: 0.75rem;
+  }
 }
 
 #cookie-banner.fade-out {
@@ -23,7 +29,25 @@
   pointer-events: none;
 }
 
-#cookie-banner p { margin: 0; font-size: 14px; flex: 1; }
+#cookie-banner p {
+  margin: 0;
+  font-size: 14px;
+  flex: 1;
+}
+
+#cookie-banner .cookie-buttons {
+  display: flex;
+  gap: 0.5rem;
+  flex-shrink: 0;
+
+  @media (max-width: 420px) {
+    width: 100%;
+
+    button {
+      flex: 1;
+    }
+  }
+}
 
 #cookie-banner button {
   margin: 0.1rem 0;

layouts/_partials/hugo_cookie_consent/banner.html

@@ -8,7 +8,7 @@
       {{ i18n "cookie_more_info" }}
     </a>
   </p>
-  <div>
+  <div class="cookie-buttons">
     <button id="cookie-accept">
       {{ i18n "cookie_button_accept" }}
     </button>