diff --git a/desktop/src/components/controls/ModelSelector.tsx b/desktop/src/components/controls/ModelSelector.tsx
index 8775478a..730ba1e7 100644
--- a/desktop/src/components/controls/ModelSelector.tsx
+++ b/desktop/src/components/controls/ModelSelector.tsx
@@ -278,7 +278,7 @@ export function ModelSelector({
                             className={`
                               w-full rounded-lg border px-3 py-2.5 text-left transition-colors
                               ${isSelected
-                                ? 'border-[var(--color-brand)]/20 bg-[var(--color-primary-fixed)]'
+                                ? 'border-[var(--color-model-option-selected-border)] bg-[var(--color-model-option-selected-bg)]'
                                 : 'border-transparent hover:bg-[var(--color-surface-hover)]'
                               }
                             `}
@@ -328,7 +328,7 @@ export function ModelSelector({
                       className={`
                         w-full rounded-lg px-3 py-2.5 text-left transition-colors
                         ${isSelected
-                          ? 'bg-[var(--color-primary-fixed)] border border-[var(--color-brand)]/20'
+                          ? 'border border-[var(--color-model-option-selected-border)] bg-[var(--color-model-option-selected-bg)]'
                           : 'hover:bg-[var(--color-surface-hover)]'
                         }
                       `}
diff --git a/desktop/src/theme/globals.css b/desktop/src/theme/globals.css
index a9c4c085..f73540e9 100644
--- a/desktop/src/theme/globals.css
+++ b/desktop/src/theme/globals.css
@@ -173,6 +173,8 @@
   --color-surface-sidebar: var(--color-surface-container-low);
   --color-surface-hover: var(--color-surface-container-high);
   --color-surface-selected: var(--color-surface-container);
+  --color-model-option-selected-bg: var(--color-primary-fixed);
+  --color-model-option-selected-border: rgba(143, 72, 47, 0.2);
   --color-sidebar-filter-bg: transparent;
   --color-sidebar-filter-border: rgba(218, 193, 186, 0.92);
   --color-sidebar-filter-icon-bg: transparent;
@@ -317,6 +319,8 @@
   --color-surface-sidebar: #171615;
   --color-surface-hover: var(--color-surface-container-highest);
   --color-surface-selected: var(--color-surface-container);
+  --color-model-option-selected-bg: rgba(255, 181, 159, 0.13);
+  --color-model-option-selected-border: rgba(255, 181, 159, 0.34);
   --color-sidebar-filter-bg: rgba(255, 255, 255, 0.01);
   --color-sidebar-filter-border: rgba(255, 255, 255, 0.08);
   --color-sidebar-filter-icon-bg: transparent;