diff --git a/proiect-nutritie-java/src/main/webapp/index.html b/proiect-nutritie-java/src/main/webapp/index.html
index c331fe6..d3203a9 100644
--- a/proiect-nutritie-java/src/main/webapp/index.html
+++ b/proiect-nutritie-java/src/main/webapp/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>NutriAI Elite v11.0 - Shopping & Macros</title>
+    <title>NutriAI Elite v12.0 - Precision Calibration</title>
     <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
@@ -30,7 +30,7 @@
 
         .macro-card { background: rgba(0,0,0,0.2); border-radius: 15px; padding: 15px; margin-top: 15px; border: 1px solid rgba(255,255,255,0.05); }
 
-        .chat-area { height: 52vh; overflow-y: auto; padding: 25px; border-radius: 20px; background: rgba(0,0,0,0.2); }
+        .chat-area { height: 50vh; overflow-y: auto; padding: 25px; border-radius: 20px; background: rgba(0,0,0,0.2); }
         .msg { padding: 1.5rem; border-radius: 1.2rem; margin-bottom: 1.5rem; max-width: 95%; line-height: 1.6; }
         .ai { background: var(--card-ai); border-left: 6px solid var(--primary); }
         .user { background: var(--primary); margin-left: auto; font-weight: 600; }
@@ -42,7 +42,7 @@
         .input-bar { background: var(--sidebar-bg); border-radius: 50px; padding: 10px 25px; border: 2px solid var(--primary); }
         .top-nav { position: fixed; top: 15px; right: 20px; z-index: 1000; display: flex; gap: 10px; }
         
-        .btn-shop { background: #f59e0b; color: #000; font-weight: 800; border: none; border-radius: 12px; padding: 10px 20px; transition: 0.3s; }
+        .btn-shop { background: #f59e0b; color: #000; font-weight: 800; border: none; border-radius: 12px; padding: 10px 20px; transition: 0.3s; height: 55px; }
         .btn-shop:hover { background: #fbbf24; transform: scale(1.05); }
     </style>
 </head>
@@ -72,9 +72,9 @@
             <h4 class="fw-bold mb-3"><i class="fas fa-microchip text-primary me-2"></i>NutriAI Elite</h4>
             
             <div class="row g-2 mb-3">
-                <div class="col-6"><label class="label-pro" id="lblCurW">Weight (kg)</label><input type="number" id="weight" class="form-control glass-input" value="85" oninput="updateProfile()"></div>
-                <div class="col-6"><label class="label-pro" id="lblTarW">Target (kg)</label><input type="number" id="targetW" class="form-control glass-input" value="75" oninput="updateProfile()"></div>
-                <div class="col-6"><label class="label-pro" id="lblH">Height (cm)</label><input type="number" id="height" class="form-control glass-input" value="180" oninput="updateProfile()"></div>
+                <div class="col-6"><label class="label-pro" id="lblCurW">Weight (kg)</label><input type="number" id="weight" class="form-control glass-input" value="110" oninput="updateProfile()"></div>
+                <div class="col-6"><label class="label-pro" id="lblTarW">Target (kg)</label><input type="number" id="targetW" class="form-control glass-input" value="85" oninput="updateProfile()"></div>
+                <div class="col-6"><label class="label-pro" id="lblH">Height (cm)</label><input type="number" id="height" class="form-control glass-input" value="176" oninput="updateProfile()"></div>
                 <div class="col-6"><label class="label-pro">Age</label><input type="number" id="age" class="form-control glass-input" value="30" oninput="updateProfile()"></div>
                 <div class="col-12"><label class="label-pro">Activity</label>
                     <select id="activity" class="form-select glass-input" onchange="updateProfile()">
@@ -82,14 +82,14 @@
                     </select>
                 </div>
                 <div class="col-12">
-                    <label class="label-pro d-flex justify-content-between">Aggressiveness <span><span id="aggValue">-500</span> kcal</span></label>
-                    <input type="range" id="aggSlider" class="form-range" min="-1000" max="1000" step="50" value="-500" oninput="updateProfile()">
+                    <label class="label-pro d-flex justify-content-between">Aggressiveness <span><span id="aggValue">-300</span> kcal</span></label>
+                    <input type="range" id="aggSlider" class="form-range" min="-1000" max="1000" step="50" value="-300" oninput="updateProfile()">
                 </div>
             </div>
 
             <div class="kcal-hub shadow">
                 <small class="text-uppercase fw-bold opacity-75">Daily Target</small>
-                <h2 class="fw-bold mb-0" id="totalKcal">2500</h2>
+                <h2 class="fw-bold mb-0" id="totalKcal">---</h2>
                 <span class="small">KCAL / DAY</span>
             </div>
 
@@ -106,16 +106,15 @@
         <div class="col-lg-9 p-5">
             <div id="chatBox" class="chat-area shadow-inner">
                 <div class="msg ai">
-                    <h5 class="fw-bold text-primary">System Online.</h5>
-                    All biometrics synced. You are currently in <strong><span id="aggStatus"></span></strong> mode. 
-                    Ask for a meal plan, and then I can generate your shopping list!
+                    <h5 class="fw-bold text-primary">System Recalibrated.</h5>
+                    Precision math has been updated. I'm ready to build a meal plan based on your exact calorie target. 
                 </div>
             </div>
             
-            <div class="mt-4 d-flex gap-2">
+            <div class="mt-4 d-flex gap-2 align-items-center">
                 <div class="input-bar d-flex align-items-center flex-grow-1 shadow">
-                    <input type="text" id="userInput" class="form-control bg-transparent border-0 text-white" placeholder="Message your coach...">
-                    <button onclick="sendToGroq()" class="btn btn-primary rounded-circle p-2 ms-2" style="width: 45px; height: 45px;"><i class="fas fa-paper-plane"></i></button>
+                    <input type="text" id="userInput" class="form-control bg-transparent border-0 text-white" placeholder="Ask for a meal plan table...">
+                    <button onclick="sendToGroq()" class="btn btn-primary rounded-circle p-2 ms-2" style="min-width: 45px; height: 45px;"><i class="fas fa-paper-plane"></i></button>
                 </div>
                 <button onclick="generateShoppingList()" class="btn-shop shadow">
                     <i class="fas fa-shopping-cart me-2"></i> SHOPPING LIST
@@ -138,7 +137,7 @@
         const ctx = document.getElementById('macroChart').getContext('2d');
         macroChart = new Chart(ctx, {
             type: 'doughnut',
-            data: { labels: ['Protein', 'Carbs', 'Fats'], datasets: [{ data: [30, 40, 30], backgroundColor: ['#0dcaf0', '#dc3545', '#ffc107'], borderWeight: 0 }] },
+            data: { labels: ['Protein', 'Carbs', 'Fats'], datasets: [{ data: [1, 1, 1], backgroundColor: ['#0dcaf0', '#dc3545', '#ffc107'], borderWeight: 0 }] },
             options: { plugins: { legend: { display: false } }, cutout: '70%' }
         });
     }
@@ -156,32 +155,36 @@
     function updateProfile() {
         let w = parseFloat(document.getElementById('weight').value) || 0, h = parseFloat(document.getElementById('height').value) || 0;
         let a = parseFloat(document.getElementById('age').value) || 0, act = parseFloat(document.getElementById('activity').value), agg = parseInt(document.getElementById('aggSlider').value);
+        
         let w_c = isMetric ? w : w / 2.205, h_c = isMetric ? h : h * 2.54;
+        
+        // CORRECTION: Precision Mifflin-St Jeor Calculation
         let bmr = (10 * w_c) + (6.25 * h_c) - (5 * a) + 5; 
-        let total = Math.round(bmr * act) + agg;
+        let maintenance = bmr * act;
+        let total = Math.round(maintenance + agg);
+
         document.getElementById('totalKcal').innerText = total;
-        document.getElementById('aggValue').innerText = (agg > 0 ? '+' : '') + agg;
-        document.getElementById('aggStatus').innerText = agg < 0 ? "Weight Loss" : (agg > 0 ? "Bulking" : "Maintenance");
+        document.getElementById('aggValue').innerText = (agg > 0 ? '+' : '') + agg + " kcal";
+
+        // Logic for Macros
         let pPct = agg < 0 ? 0.35 : 0.25, cPct = agg < 0 ? 0.35 : 0.50, fPct = 1 - (pPct + cPct);
         let pG = Math.round((total * pPct) / 4), cG = Math.round((total * cPct) / 4), fG = Math.round((total * fPct) / 9);
+
         document.getElementById('pGram').innerText = pG; document.getElementById('cGram').innerText = cG; document.getElementById('fGram').innerText = fG;
         if(macroChart) { macroChart.data.datasets[0].data = [pG*4, cG*4, fG*9]; macroChart.update(); }
     }
 
     async function sendToGroq(customPrompt = null) {
-        const input = document.getElementById('userInput');
-        const text = customPrompt || input.value.trim();
+        const input = document.getElementById('userInput'), text = customPrompt || input.value.trim();
         if(!text) return;
         if(!customPrompt) addMsg('user', text);
         if(!customPrompt) input.value = "";
-        const id = 'l-' + Date.now(); addMsg('ai', '<span class="spinner-border spinner-border-sm"></span> Calibrating...', id);
+        const id = 'l-' + Date.now(); addMsg('ai', '<span class="spinner-border spinner-border-sm"></span> Calibrating Strategy...', id);
 
-        const sysMsg = `Expert Nutritionist. Goal: ${document.getElementById('totalKcal').innerText} kcal. Macros: P:${document.getElementById('pGram').innerText}g, C:${document.getElementById('cGram').innerText}g, F:${document.getElementById('fGram').innerText}g. Use Markdown Tables.`;
-        
         try {
             const resp = await fetch("https://api.groq.com/openai/v1/chat/completions", {
                 method: "POST", headers: { "Authorization": `Bearer ${GROQ_API_KEY}`, "Content-Type": "application/json" },
-                body: JSON.stringify({ model: "llama-3.3-70b-versatile", messages: [{ role: "system", content: sysMsg }, { role: "user", content: text }] })
+                body: JSON.stringify({ model: "llama-3.3-70b-versatile", messages: [{ role: "system", content: `Expert Nutritionist. Goal: ${document.getElementById('totalKcal').innerText} kcal. Macros: P:${document.getElementById('pGram').innerText}g, C:${document.getElementById('cGram').innerText}g, F:${document.getElementById('fGram').innerText}g. Use Markdown Tables.` }, { role: "user", content: text }] })
             });
             const d = await resp.json();
             document.getElementById(id).innerHTML = marked.parse(d.choices[0].message.content);
@@ -189,7 +192,7 @@
     }
 
     function generateShoppingList() {
-        sendToGroq("Based on the target calories and macros we discussed, generate a comprehensive shopping list for 7 days. Organize it by categories like Proteins, Vegetables, Grains, etc.");
+        sendToGroq("Generate a weekly shopping list categorized by aisle based on the meal plan we discussed.");
     }
 
     function addMsg(t, c, i = null) {
