diff --git a/lib/rules/noStaticStylesAssignment.ts b/lib/rules/noStaticStylesAssignment.ts
index 326ae42..0b5cc4e 100644
--- a/lib/rules/noStaticStylesAssignment.ts
+++ b/lib/rules/noStaticStylesAssignment.ts
@@ -11,11 +11,14 @@ const ruleCreator = ESLintUtils.RuleCreator(
 // - element.style.setProperty('color', 'red')
 // - element.style.cssText = 'color: red;'
 // - element.setAttribute('style', 'color: red;')
+// - element.setCssProps({ 'color': 'blue' })  (non-custom-property key in setCssProps)
 //
 // This rule will not flag:
 //
 // - element.style.width = myWidth; (assignment from a variable)
 // - element.style.transform = `translateX(${offset}px)`; (assignment from a template literal with expressions)
+// - element.setCssProps({ '--my-var': 'blue' })  (custom property in setCssProps is correct usage)
+// - element.setCssStyles({ 'color': 'blue' })  (standard property in setCssStyles is correct usage)
 
 // Checks if a node is a MemberExpression accessing the 'style' property.
 // e.g., `el.style` or `this.containerEl.style`
@@ -41,7 +44,10 @@ export default ruleCreator({
         schema: [],
         messages: {
             avoidStyleAssignment:
-                "Avoid setting styles directly via `{{property}}`. Use CSS classes for better theming and maintainability. Use the `setCssProps` function if the CSS properties need to change dynamically.",
+                "Avoid setting styles directly via `{{property}}`. Use CSS classes for better theming and maintainability. Use `setCssProps` for dynamic CSS custom properties or `setCssStyles` for dynamic standard properties.",
+            avoidNonCustomPropertyInSetCssProps:
+                "`setCssProps` should only be used for CSS custom properties (prefixed with `--`). Use `setCssStyles` for standard CSS properties, or CSS classes for static styles.",
+
         },
     },
     defaultOptions: [],
@@ -113,7 +119,7 @@ export default ruleCreator({
                     }
                 }
 
-                // Case 3: `el.style.setCssProps({ 'color': 'blue' })`
+                // Case 3: `el.setCssProps({ 'color': 'blue' })` — only custom properties (--*) belong here
                 if (
                     propertyName === "setCssProps" && node.arguments[0].type === TSESTree.AST_NODE_TYPES.ObjectExpression
                 ) {
@@ -121,29 +127,14 @@ export default ruleCreator({
                         if (property.type === TSESTree.AST_NODE_TYPES.Property && property.key.type === TSESTree.AST_NODE_TYPES.Literal && typeof property.key.value === 'string' && !property.key.value.startsWith('--')) {
                             context.report({
                                 node,
-                                messageId: "avoidStyleAssignment",
-                                data: { property: "el.setCssProps" },
+                                messageId: "avoidNonCustomPropertyInSetCssProps",
                             });
                             break;
                         }
                     }
                 }
 
-                // Case 4: `el.style.setCssStyles({ 'color': 'blue' })`
-                if (
-                    propertyName === "setCssStyles" && node.arguments[0].type === TSESTree.AST_NODE_TYPES.ObjectExpression
-                ) {
-                    for (const property of node.arguments[0].properties) {
-                        if (property.type === TSESTree.AST_NODE_TYPES.Property && property.key.type === TSESTree.AST_NODE_TYPES.Literal && typeof property.key.value === 'string' && !property.key.value.startsWith('--')) {
-                            context.report({
-                                node,
-                                messageId: "avoidStyleAssignment",
-                                data: { property: "el.setCssStyles" },
-                            });
-                            break;
-                        }
-                    }
-                }
+
             },
         };
     },
diff --git a/tests/noStaticStylesAssignment.test.ts b/tests/noStaticStylesAssignment.test.ts
index 538aee7..87f6553 100644
--- a/tests/noStaticStylesAssignment.test.ts
+++ b/tests/noStaticStylesAssignment.test.ts
@@ -37,6 +37,14 @@ ruleTester.run("no-static-styles-assignment", noInlineStylesRule, {
             name: "setCssProps with computed key is allowed",
             code: "el.setCssProps({ [someKey]: someValue });",
         },
+        {
+            name: "setCssStyles with standard property is allowed",
+            code: "el.setCssStyles({ 'color': 'blue' });",
+        },
+        {
+            name: "setCssStyles with computed key is allowed",
+            code: "el.setCssStyles({ [someKey]: someValue });",
+        },
     ],
     invalid: [
         {
@@ -90,24 +98,14 @@ ruleTester.run("no-static-styles-assignment", noInlineStylesRule, {
             ],
         },
         {
-            name: "setCssProps with non-variable property is forbidden",
+            name: "setCssProps with non-custom-property key is forbidden",
             code: "el.setCssProps({ 'color': 'blue' });",
             errors: [
                 {
-                    messageId: "avoidStyleAssignment",
-                    data: { property: "el.setCssProps" },
+                    messageId: "avoidNonCustomPropertyInSetCssProps",
                 }
             ]
         },
-        {
-            name: "setCssStyles with non-variable property is forbidden",
-            code: "el.setCssStyles({ 'color': 'blue' });",
-            errors: [
-                {
-                    messageId: "avoidStyleAssignment",
-                    data: { property: "el.setCssStyles" },
-                }
-            ]
-        }
+
     ],
 });