[REFACTOR] 實作側邊欄與儀表板多語系化，修復 UI 位移與樣式優化

database/migrations/2026_03_12_085534_create_user_login_logs_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('user_login_logs', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained()->onDelete('cascade');
+            $table->string('ip_address', 45)->nullable();
+            $table->text('user_agent')->nullable();
+            $table->timestamp('login_at')->useCurrent();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('user_login_logs');
+    }
+};