diff --git a/assets/default.css b/assets/default.css
index 6da2de8..fc29ed3 100644
--- a/assets/default.css
+++ b/assets/default.css
@@ -612,7 +612,12 @@
 :not(.phx-no-feedback).pc-form-field-wrapper--error
   .pc-switch
   .pc-switch__fake-input {
-  @apply bg-danger-200 border-danger-500;
+  @apply bg-danger-200 border-danger-500 dark:bg-danger-600 dark:border-danger-800;
+}
+:not(.phx-no-feedback).pc-form-field-wrapper--error
+  .pc-radio-card
+  .pc-radio-card__fake-input {
+  @apply bg-danger-200 dark:bg-danger-800 border-danger-500;
 }
 :not(.phx-no-feedback).pc-form-field-wrapper--error .pc-label,
 :not(.phx-no-feedback).pc-form-field-wrapper--error .pc-checkbox-label {
@@ -732,7 +737,7 @@
 }
 
 .pc-radio-card-group--row {
-  @apply flex-row;
+  @apply flex-col sm:flex-row;
 }
 
 .pc-radio-card-group--col {
@@ -748,19 +753,15 @@
 
 /* Apply padding to .pc-radio-card__content */
 .pc-radio-card--sm > .pc-radio-card__content {
-  @apply p-2;
+  @apply px-4 py-2;
 }
 
 .pc-radio-card--md > .pc-radio-card__content {
-  @apply p-4;
+  @apply px-8 py-4;
 }
 
 .pc-radio-card--lg > .pc-radio-card__content {
-  @apply p-6;
-}
-
-.pc-radio-card__icon {
-  @apply mb-2;
+  @apply px-12 py-6;
 }
 
 /* Adjust text size for labels */
diff --git a/lib/petal_components/field.ex b/lib/petal_components/field.ex
index 24d5072..ead05f6 100644
--- a/lib/petal_components/field.ex
+++ b/lib/petal_components/field.ex
@@ -67,8 +67,8 @@ defmodule PetalComponents.Field do
   attr :label_class, :any, default: nil, doc: "extra CSS for your label"
   attr :selected, :any, default: nil, doc: "the selected value for select inputs"
 
-  attr :size, :string, default: nil, doc: "sm, md or lg - used by group-card"
-  attr :variant, :any, default: nil, doc: "outline, classic or surface - used by group-card"
+  attr :size, :string, default: "md", doc: "sm, md or lg - used by radio-card"
+  attr :variant, :any, default: "outline", doc: "outline, classic - used by radio-card"
 
   attr :required, :boolean,
     default: false,
@@ -303,9 +303,7 @@ defmodule PetalComponents.Field do
     assigns =
       assigns
       |> assign_new(:checked, fn -> nil end)
-      |> assign_new(:size, fn -> "md" end)
       |> assign_new(:class, fn -> "" end)
-      |> assign_new(:variant, fn -> "outline" end)
       |> assign_new(:options, fn -> [] end)
       |> assign_new(:group_layout, fn -> "row" end)
       |> assign_new(:id_prefix, fn -> assigns.id || assigns.name || "radio_card" end)
@@ -335,7 +333,8 @@ defmodule PetalComponents.Field do
               value={option[:value]}
               disabled={option[:disabled]}
               checked={
-                to_string(option[:value]) == to_string(@value) || to_string(option[:value]) == to_string(@checked)
+                to_string(option[:value]) == to_string(@value) ||
+                  to_string(option[:value]) == to_string(@checked)
               }
               class="sr-only pc-radio-card__input"
               {@rest}
@@ -343,7 +342,9 @@ defmodule PetalComponents.Field do
             <div class="pc-radio-card__fake-input"></div>
             <div class="pc-radio-card__content">
               <div class="pc-radio-card__label"><%= option[:label] %></div>
-              <div :if={option[:description]} class="pc-radio-card__description"><%= option[:description] %></div>
+              <div :if={option[:description]} class="pc-radio-card__description">
+                <%= option[:description] %>
+              </div>
             </div>
           </label>
         <% end %>