feat(theme): complete Minecraft overhaul for all pages including admin/utility

frontend/src/app/imports/page.tsx

@@ -6,6 +6,7 @@ import { useEffect, useMemo, useState } from "react";
 import { apiFetch } from "@/lib/api";
 import { readToken } from "@/lib/auth";
 import { useI18nText } from "@/lib/i18n";
+import { Activity, HardDrive, Play, RefreshCw, Server, FileText, CheckCircle, XCircle, Clock } from "lucide-react";
 
 type ImportJob = {
   id: number;
@@ -253,7 +254,8 @@ export default function ImportsPage() {
 
   return (
     <main className="mx-auto max-w-7xl px-3 py-6 max-[390px]:px-2 sm:px-4 md:px-6 md:py-8">
-      <h1 className="text-xl font-semibold max-[390px]:text-lg sm:text-2xl">
+      <h1 className="text-xl font-semibold max-[390px]:text-lg sm:text-2xl flex items-center gap-2">
+        <HardDrive size={24} />
         {tx("题库导入/出题任务", "Import / Generation Jobs")}
       </h1>
 
@@ -336,7 +338,17 @@ export default function ImportsPage() {
             onClick={() => void runImport()}
             disabled={loading || running}
           >
-            {running ? tx("导入中...", "Importing...") : tx("启动导入任务", "Start Import Job")}
+            {running ? (
+              <span className="flex items-center justify-center gap-2">
+                <Activity size={16} className="animate-spin" />
+                {tx("导入中...", "Importing...")}
+              </span>
+            ) : (
+              <span className="flex items-center justify-center gap-2">
+                <Play size={16} />
+                {tx("启动导入任务", "Start Import Job")}
+              </span>
+            )}
           </button>
           {runMode === "luogu" && (
             <label className="flex w-full items-center gap-2 text-sm sm:w-auto">
@@ -348,10 +360,12 @@ export default function ImportsPage() {
               {tx("启动前清空历史题库", "Clear old problem set before start")}
             </label>
           )}
-          <button className="rounded border px-3 py-2 text-sm" onClick={() => void refresh()} disabled={loading}>
+          <button className="rounded border px-3 py-2 text-sm flex items-center gap-2" onClick={() => void refresh()} disabled={loading}>
+            <RefreshCw size={14} className={loading ? "animate-spin" : ""} />
             {tx("刷新", "Refresh")}
           </button>
-          <span className={`text-sm ${running ? "text-emerald-700" : "text-zinc-600"}`}>
+          <span className={`text-sm flex items-center gap-1 ${running ? "text-emerald-700" : "text-zinc-600"}`}>
+            {running ? <Activity size={14} className="animate-pulse" /> : <Server size={14} />}
             {running ? tx("运行中", "Running") : tx("空闲", "Idle")}
           </span>
         </div>
@@ -500,6 +514,6 @@ export default function ImportsPage() {
           </div>
         </div>
       </section>
-    </main>
+    </main >
   );
 }