Refactor code structure for improved readability and maintainability

lib/novel-status.ts

@@ -0,0 +1,17 @@
+export function getNovelStatusBadgeClass(status: string): string {
+  const normalized = status.trim().toLowerCase()
+
+  if (normalized.includes("hoàn")) {
+    return "bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-300"
+  }
+
+  if (normalized.includes("tạm")) {
+    return "bg-amber-100 text-amber-700 dark:bg-amber-900/30 dark:text-amber-300"
+  }
+
+  if (normalized.includes("drop") || normalized.includes("hủy") || normalized.includes("cancel")) {
+    return "bg-rose-100 text-rose-700 dark:bg-rose-900/30 dark:text-rose-300"
+  }
+
+  return "bg-sky-100 text-sky-700 dark:bg-sky-900/30 dark:text-sky-300"
+}