feat: rename success message to "CRISPY!" with Japanese smiley

- Update overlay text: "Perfect Match!" → "CRISPY! ٩(◕‿◕)۶"
- Update success hint in English and German versions
- Fun branding touch matching the app name

src/app.de.js

@@ -407,7 +407,7 @@ function runCode() {
 
 	if (validationResult.isValid) {
 		// Show success hint
-		showSuccessHint(validationResult.message || "Super! Dein Code funktioniert korrekt.");
+		showSuccessHint(validationResult.message || "CRISPY! ٩(◕‿◕)۶ Dein Code funktioniert.");
 
 		// Update Run button
 		elements.runBtn.innerHTML = '<img src="./gear.svg" alt="" />Erneut';

src/app.js

@@ -407,7 +407,7 @@ function runCode() {
 
 	if (validationResult.isValid) {
 		// Show success hint
-		showSuccessHint(validationResult.message || "Great job! Your code works correctly.");
+		showSuccessHint(validationResult.message || "CRISPY! ٩(◕‿◕)۶ Your code works correctly.");
 
 		// Update Run button
 		elements.runBtn.innerHTML = '<img src="./gear.svg" alt="" />Re-run';

src/main.css

@@ -469,7 +469,7 @@ code, kbd {
 }
 
 .preview-wrapper.matched::after {
-	content: "Perfect Match!";
+	content: "CRISPY! ٩(◕‿◕)۶";
 	position: absolute;
 	top: 50%;
 	left: 50%;