fix. Cors Fix and Audiobookshelf Setting Design Fix

backend/novasonic-server.js

@@ -24,7 +24,7 @@ const app = express();
 app.use((req, res, next) => {
   res.setHeader('Access-Control-Allow-Origin', '*');
   res.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS');
-  res.setHeader('Access-Control-Allow-Headers', 'Content-Type,Authorization');
+  res.setHeader('Access-Control-Allow-Headers', 'Content-Type,Authorization,X-ABS-URL,X-ABS-Token');
   res.setHeader('Access-Control-Allow-Private-Network', 'true');
   if (req.method === 'OPTIONS') { res.sendStatus(204); return; }
   next();

index.html

@@ -545,9 +545,9 @@
           <select id="abs-lib-select" onchange="absSetLibrary(this.value)" style="width:100%;padding:10px 12px;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:14px;outline:none"></select>
         </div>
         <span id="abs-s-status" style="font-size:12px;color:var(--green);display:block;margin-bottom:8px;min-height:16px"></span>
-        <div style="display:flex;gap:8px;margin-top:2px">
-          <button class="btn-outline" style="flex:1;padding:9px;font-size:13px;color:var(--danger);border-color:rgba(224,85,85,0.3)" onclick="absDisconnect()">Trennen</button>
-          <button class="btn-outline" id="abs-s-connect-btn" style="flex:1;padding:9px;font-size:13px;font-weight:700" onclick="absConnectSettings()">Verbinden</button>
+        <div style="display:flex;gap:8px;justify-content:center;margin-top:2px">
+          <button class="btn-outline" style="padding:9px 22px;font-size:13px;color:var(--danger);border-color:rgba(224,85,85,0.3)" onclick="absDisconnect()">Trennen</button>
+          <button class="btn-outline" id="abs-s-connect-btn" style="padding:9px 22px;font-size:13px;font-weight:700" onclick="absConnectSettings()">Verbinden</button>
         </div>
       </div>
       <div class="settings-section">