diff --git a/.agents/skills/impeccable/scripts/detector/design-system.mjs b/.agents/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.agents/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.agents/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.claude/skills/impeccable/scripts/detector/design-system.mjs b/.claude/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.claude/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.claude/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.cursor/skills/impeccable/scripts/detector/design-system.mjs b/.cursor/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.cursor/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.cursor/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.gemini/skills/impeccable/scripts/detector/design-system.mjs b/.gemini/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.gemini/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.gemini/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.github/skills/impeccable/scripts/detector/design-system.mjs b/.github/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.github/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.github/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.grok/skills/impeccable/scripts/detector/design-system.mjs b/.grok/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.grok/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.grok/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.hermes/skills/impeccable/scripts/detector/design-system.mjs b/.hermes/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.hermes/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.hermes/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.kiro/skills/impeccable/scripts/detector/design-system.mjs b/.kiro/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.kiro/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.kiro/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.opencode/skills/impeccable/scripts/detector/design-system.mjs b/.opencode/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.opencode/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.opencode/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.pi/skills/impeccable/scripts/detector/design-system.mjs b/.pi/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.pi/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.pi/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.qoder/skills/impeccable/scripts/detector/design-system.mjs b/.qoder/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.qoder/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.qoder/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.rovodev/skills/impeccable/scripts/detector/design-system.mjs b/.rovodev/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.rovodev/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.rovodev/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.trae-cn/skills/impeccable/scripts/detector/design-system.mjs b/.trae-cn/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.trae-cn/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.trae-cn/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.trae/skills/impeccable/scripts/detector/design-system.mjs b/.trae/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.trae/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.trae/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/.vibe/skills/impeccable/scripts/detector/design-system.mjs b/.vibe/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/.vibe/skills/impeccable/scripts/detector/design-system.mjs
+++ b/.vibe/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }
 
diff --git a/plugin/skills/impeccable/scripts/detector/design-system.mjs b/plugin/skills/impeccable/scripts/detector/design-system.mjs
index 28e01b1d2..7b7e588e9 100644
--- a/plugin/skills/impeccable/scripts/detector/design-system.mjs
+++ b/plugin/skills/impeccable/scripts/detector/design-system.mjs
@@ -995,7 +995,9 @@ function extractRadiusTokens(value) {
   return String(value || '')
     .replace(/\s*\/\s*/g, ' ')
     .split(/\s+/)
-    .map(token => token.trim())
+    // var() fallbacks leave the closing parenthesis on the final token. Strip
+    // it before length resolution so `8px)` is not treated as unitless 8rem.
+    .map(token => token.trim().replace(/\)+$/, ''))
     .filter(Boolean);
 }