fix: sticky mobile modal footer, inline copy feedback, and PerimeterX scraper fallback

public/app.js

@@ -553,6 +553,24 @@ async function cloneActiveRecipe() {
   }
 }
 
+async function copyTextToClipboard(text) {
+  if (navigator.clipboard && navigator.clipboard.writeText) {
+    await navigator.clipboard.writeText(text);
+    return;
+  }
+  const textArea = document.createElement('textarea');
+  textArea.value = text;
+  textArea.style.position = 'fixed';
+  textArea.style.opacity = '0';
+  document.body.appendChild(textArea);
+  textArea.focus();
+  textArea.select();
+  document.execCommand('copy');
+  document.body.removeChild(textArea);
+}
+
+let shareBtnResetTimeout = null;
+
 async function shareActiveRecipe() {
   if (!activeRecipe) return;
   
@@ -595,10 +613,20 @@ async function shareActiveRecipe() {
   if (activeRecipe.shareToken) {
     const shareLink = `${window.location.origin}/share.html?token=${activeRecipe.shareToken}`;
     try {
-      await navigator.clipboard.writeText(shareLink);
-      alert(`Public share link successfully copied to your clipboard!\n\n${shareLink}`);
+      await copyTextToClipboard(shareLink);
+      if (elements.btnDetailShare) {
+        if (shareBtnResetTimeout) clearTimeout(shareBtnResetTimeout);
+        elements.btnDetailShare.classList.add('copied-feedback');
+        elements.btnDetailShare.innerHTML = `<i data-lucide="check"></i> <span>Copied!</span>`;
+        lucide.createIcons();
+        shareBtnResetTimeout = setTimeout(() => {
+          elements.btnDetailShare.classList.remove('copied-feedback');
+          elements.btnDetailShare.innerHTML = `<i data-lucide="share-2"></i>`;
+          lucide.createIcons();
+        }, 2000);
+      }
     } catch (clipErr) {
-      console.warn('Clipboard write failed. Displaying fallback alert:', clipErr);
+      console.warn('Clipboard write failed. Displaying fallback prompt:', clipErr);
       prompt('Public Share Link:', shareLink);
     }
   } else {
@@ -940,6 +968,14 @@ function showRecipeDetails(recipe) {
   activeRecipe = recipe;
   currentMultiplier = 1;
   elements.currentServingsVal.textContent = '1x';
+  if (shareBtnResetTimeout) {
+    clearTimeout(shareBtnResetTimeout);
+    shareBtnResetTimeout = null;
+  }
+  if (elements.btnDetailShare) {
+    elements.btnDetailShare.classList.remove('copied-feedback');
+    elements.btnDetailShare.innerHTML = `<i data-lucide="share-2"></i>`;
+  }
   
   // Set hero cover banner image
   if (recipe.image) {
@@ -1502,10 +1538,22 @@ function renderAdminSharedRecipes(recipes) {
     elements.adminSharesList.appendChild(tr);
     
     // Bind click events inside the row
-    document.getElementById(copyActionId).addEventListener('click', async () => {
+    const copyBtn = document.getElementById(copyActionId);
+    let rowCopyTimeout = null;
+    copyBtn.addEventListener('click', async () => {
       try {
-        await navigator.clipboard.writeText(shareLink);
-        alert(`Public share link successfully copied to your clipboard!\n\n${shareLink}`);
+        await copyTextToClipboard(shareLink);
+        if (rowCopyTimeout) clearTimeout(rowCopyTimeout);
+        copyBtn.innerHTML = `<i data-lucide="check" style="width: 12px; height: 12px;"></i> Copied!`;
+        copyBtn.style.borderColor = 'var(--accent)';
+        copyBtn.style.color = 'var(--accent)';
+        lucide.createIcons();
+        rowCopyTimeout = setTimeout(() => {
+          copyBtn.innerHTML = `<i data-lucide="copy" style="width: 12px; height: 12px;"></i> Copy Link`;
+          copyBtn.style.borderColor = '';
+          copyBtn.style.color = '';
+          lucide.createIcons();
+        }, 2000);
       } catch (clipErr) {
         prompt('Public Share Link:', shareLink);
       }

public/style.css

@@ -179,6 +179,17 @@ h1, h2, h3, h4, h5, h6 {
   background-color: var(--border-color);
 }
 
+.btn-icon-round.copied-feedback {
+  width: auto;
+  padding: 0 14px;
+  gap: 6px;
+  background-color: var(--accent);
+  border-color: var(--accent);
+  color: var(--text-white);
+  font-size: 0.85rem;
+  font-weight: 600;
+}
+
 .btn-danger-hover:hover {
   background-color: var(--danger);
   color: var(--text-white);
@@ -2159,6 +2170,17 @@ h1, h2, h3, h4, h5, h6 {
     padding: 16px 20px;
   }
 
+  .modal-footer {
+    position: sticky;
+    bottom: 0;
+    flex-shrink: 0;
+    z-index: 2;
+    padding: 12px 20px;
+    border-top: 1px solid var(--border-color);
+    background-color: var(--bg-card);
+    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
+  }
+
   /* Restructure Detail Layout for Single-Column Bottom Sheet */
   .modal-box.max-width-xl {
     max-height: 92vh;

server.js

@@ -1162,11 +1162,27 @@ function isBotChallengePage(html) {
   if (lowerHtml.includes('cf-browser-verification') || lowerHtml.includes('cf_chl_opt')) return true;
   if (lowerHtml.includes('checking your browser') && lowerHtml.includes('cloudflare')) return true;
   if (lowerHtml.includes('akamai') && lowerHtml.includes('bot manager')) return true;
+  if (lowerHtml.includes('px-captcha') || lowerHtml.includes('perimeterx')) return true;
+  if (lowerHtml.includes('access to this page has been denied')) return true;
+  if (lowerHtml.includes('please verify you are a human') && !lowerHtml.includes('recipeingredient')) return true;
   if (lowerHtml.includes('recaptcha') && !lowerHtml.includes('recipeingredient')) return true;
   if (html.length < 500 && !lowerHtml.includes('recipe')) return true;
   return false;
 }
 
+// Helper: Fetch full HTML via Jina Reader HTML mode to bypass edge bot protection (PerimeterX, Cloudflare, etc.)
+async function fetchWithReaderProxy(url) {
+  console.log('[ReaderProxy] Fetching rendered HTML for:', url);
+  const response = await axios.get(`https://r.jina.ai/${url}`, {
+    headers: {
+      'X-Return-Format': 'html',
+      'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
+    },
+    timeout: 20000
+  });
+  return response.data;
+}
+
 // Helper: Fetch HTML using Puppeteer with stealth (headless browser fallback)
 async function fetchWithPuppeteer(url) {
   console.log('[Puppeteer] Launching headless browser for:', url);
@@ -1327,7 +1343,7 @@ app.post('/api/scrape', requireAuth, async (req, res) => {
 
   try {
     let html = null;
-    let usedPuppeteer = false;
+    let scrapingMethod = 'axios';
 
     // Strategy 1: Fast axios fetch
     try {
@@ -1352,27 +1368,47 @@ app.post('/api/scrape', requireAuth, async (req, res) => {
       html = response.data;
 
       if (isBotChallengePage(html)) {
-        console.log('[Scraper] Axios response appears to be a bot challenge page, falling back to Puppeteer...');
+        console.log('[Scraper] Axios response appears to be a bot challenge page, falling back...');
         html = null;
       }
     } catch (axiosError) {
       const status = axiosError.response ? axiosError.response.status : 0;
       if (status === 403 || status === 503 || status === 429) {
-        console.log(`[Scraper] Axios blocked with HTTP ${status}, falling back to Puppeteer...`);
+        console.log(`[Scraper] Axios blocked with HTTP ${status}, falling back...`);
       } else {
         throw axiosError;
       }
     }
 
-    // Strategy 2: Puppeteer with stealth (headless browser fallback)
+    // Strategy 2: Reader Proxy HTML fetch (fast bypass for PerimeterX / Cloudflare edge blocks)
     if (!html) {
       try {
-        html = await fetchWithPuppeteer(url);
-        usedPuppeteer = true;
+        const readerHtml = await fetchWithReaderProxy(url);
+        if (!isBotChallengePage(readerHtml)) {
+          html = readerHtml;
+          scrapingMethod = 'reader-proxy';
+        } else {
+          console.log('[ReaderProxy] Returned challenge page, falling back to Puppeteer...');
+        }
+      } catch (readerError) {
+        console.warn('[ReaderProxy] Fallback failed, trying Puppeteer:', readerError.message);
+      }
+    }
+
+    // Strategy 3: Puppeteer with stealth (headless browser fallback)
+    if (!html) {
+      try {
+        const puppeteerHtml = await fetchWithPuppeteer(url);
+        if (!isBotChallengePage(puppeteerHtml)) {
+          html = puppeteerHtml;
+          scrapingMethod = 'puppeteer-stealth';
+        } else {
+          throw new Error('Blocked by bot challenge page in headless browser.');
+        }
       } catch (puppeteerError) {
         console.error('[Puppeteer] Fallback also failed:', puppeteerError.message);
         return res.status(500).json({
-          error: 'This website could not be accessed. Both standard and browser-based scraping methods failed.',
+          error: 'This website could not be accessed. All scraping methods were blocked.',
           details: puppeteerError.message,
           isBlocked: true
         });
@@ -1380,7 +1416,7 @@ app.post('/api/scrape', requireAuth, async (req, res) => {
     }
 
     const recipeData = parseRecipeFromHtml(html, url);
-    recipeData._scrapingMethod = usedPuppeteer ? 'puppeteer-stealth' : 'axios';
+    recipeData._scrapingMethod = scrapingMethod;
 
     res.json(recipeData);
   } catch (error) {