diff --git a/packages/webawesome/src/components/details/details.css b/packages/webawesome/src/components/details/details.css
index fac63ebc4..5bb034a63 100644
--- a/packages/webawesome/src/components/details/details.css
+++ b/packages/webawesome/src/components/details/details.css
@@ -6,29 +6,6 @@
   display: block;
 }
 
-:host summary {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  user-select: none;
-  -webkit-user-select: none;
-  cursor: pointer;
-
-  &::marker,
-  &::-webkit-details-marker {
-    display: none;
-  }
-
-  &:focus {
-    outline: none;
-  }
-
-  &:focus-visible {
-    outline: var(--wa-focus-ring);
-    outline-offset: calc(var(--spacing) + var(--wa-focus-ring-offset));
-  }
-}
-
 details {
   display: block;
   overflow-anchor: none;
@@ -77,15 +54,16 @@ details {
   cursor: not-allowed;
 }
 
-:host summary {
+summary {
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: var(--spacing);
+  padding: var(--spacing); /* Add padding here */
+  border-radius: calc(var(--wa-panel-border-radius) - var(--wa-panel-border-width));
   user-select: none;
   -webkit-user-select: none;
   cursor: pointer;
-  padding: var(--spacing); /* Add padding here */
 
   &::marker,
   &::-webkit-details-marker {
@@ -98,10 +76,15 @@ details {
 
   &:focus-visible {
     outline: var(--wa-focus-ring);
-    outline-offset: calc(var(--spacing) + var(--wa-focus-ring-offset));
+    outline-offset: calc(var(--wa-panel-border-width) + var(--wa-focus-ring-offset));
   }
 }
 
+:host([open]) summary {
+  border-end-start-radius: 0;
+  border-end-end-radius: 0;
+}
+
 /* 'Start' icon placement */
 :host([icon-placement='start']) summary {
   flex-direction: row-reverse;
diff --git a/packages/webawesome/src/styles/native.css b/packages/webawesome/src/styles/native.css
index c57b6f03f..06b540561 100644
--- a/packages/webawesome/src/styles/native.css
+++ b/packages/webawesome/src/styles/native.css
@@ -407,6 +407,8 @@
 
       padding: var(--wa-space-m);
 
+      border-radius: calc(var(--wa-panel-border-radius) - var(--wa-panel-border-width));
+
       cursor: pointer;
       user-select: none;
       -webkit-user-select: none;
@@ -421,7 +423,7 @@
 
       &:focus-visible {
         outline: var(--wa-focus-ring);
-        outline-offset: var(--wa-focus-ring-offset);
+        outline-offset: calc(var(--wa-panel-border-width) + var(--wa-focus-ring-offset));
       }
     }
 
@@ -430,6 +432,9 @@
 
       summary {
         margin-inline: calc(-1 * var(--wa-space-m));
+
+        border-end-start-radius: 0;
+        border-end-end-radius: 0;
       }
     }