feat(ui): warm library palette (zinc+emerald -> stone+amber) with hover/focus feedback; text reader gains paper/sepia/night themes + persisted font-size (lib/readerPrefs.ts), serif justified measure; PDF drops emoji icons for 首页/末页, CBZ pill page counter, EPUB centered spread, blur reader header with format badge, aria labels on login/search/chapter select

frontend/src/pages/admin/Users.tsx

@@ -55,7 +55,7 @@ export default function AdminUsers() {
           </button>
         </form>
         <table className="w-full max-w-2xl text-sm">
-          <thead className="text-left text-zinc-500">
+          <thead className="text-left text-stone-500">
             <tr>
               <th className="py-1">ID</th>
               <th>用户名</th>
@@ -66,11 +66,11 @@ export default function AdminUsers() {
           </thead>
           <tbody>
             {(usersQ.data ?? []).map((x) => (
-              <tr key={x.id} className="border-t border-zinc-800">
-                <td className="py-1 text-zinc-500">{x.id}</td>
+              <tr key={x.id} className="border-t border-stone-800">
+                <td className="py-1 text-stone-500">{x.id}</td>
                 <td>{x.username}</td>
                 <td>{x.role}</td>
-                <td className="text-zinc-500">{x.created_at.slice(0, 19).replace("T", " ")}</td>
+                <td className="text-stone-500">{x.created_at.slice(0, 19).replace("T", " ")}</td>
                 <td className="py-1 text-right">
                   <button
                     className={btn + " text-red-300"}