Changes

static/app.js

@@ -6,6 +6,9 @@ let currentFetchController = null;
 
 let availableFormats = { audio: [], video: [] };
 
+const TEXT_DOWNLOADING  = "Descargando...";
+const TEXT_DOWNLOAD = "Descargar";
+const TEXT_COMPLETED = "Completed";
 // ---------------------------------------------------------------------------
 // Only fire /info when the input looks like a real supported URL.
 // ---------------------------------------------------------------------------
@@ -134,7 +137,7 @@ async function startDownload() {
 
   document.getElementById('download-btn-wrap').style.display = 'none';
   document.getElementById('progress-box').classList.add('visible');
-  document.getElementById('progress-label').textContent = 'Downloading...';
+  document.getElementById('progress-label').textContent = TEXT_DOWNLOADING;
   document.getElementById('progress-fill').style.width  = '0%';
   document.getElementById('prog-pct').textContent       = '0%';
   document.getElementById('prog-speed').textContent     = '';
@@ -169,7 +172,7 @@ function pollStatus(jobId) {
 
       if (data.status === 'done') {
         clearInterval(pollTimer);
-        document.getElementById('progress-label').textContent = 'Complete!';
+        document.getElementById('progress-label').textContent = TEXT_COMPLETED;
         document.getElementById('prog-speed').textContent     = '';
         showStatus('✓ Download ready: ' + (data.title || 'file'), 'success');
         document.getElementById('dl-link').href              = '/file/' + jobId;
@@ -188,7 +191,7 @@ function pollStatus(jobId) {
 
 function resetBtn() {
   const btn = document.getElementById('start-btn');
-  btn.disabled = false; btn.innerHTML = 'Download';
+  btn.disabled = false; btn.innerHTML = TEXT_DOWNLOAD;
 }
 
 // ---------------------------------------------------------------------------