diff --git a/app.js b/app.js
index d82798f..026e75b 100644
--- a/app.js
+++ b/app.js
@@ -1,4 +1,26 @@
-// Chart utility functions removed - using tables instead
+var charts = {};
+
+document.getElementById('uploadBtn').addEventListener('click', function() {
+    document.getElementById('excelFile').click();
+});
+
+document.getElementById('excelFile').addEventListener('change', function(e) {
+    var file = e.target.files[0];
+    if (!file) return;
+    document.getElementById('statusMsg').textContent = 'Загрузка: ' + file.name + '...';
+
+    var reader = new FileReader();
+    reader.onload = function(ev) {
+        try {
+            var arr = new Uint8Array(ev.target.result);
+            var wb = XLSX.read(arr, {type: 'array'});
+            var ws = wb.Sheets[wb.SheetNames[0]];
+            var rows = XLSX.utils.sheet_to_json(ws, {defval: ''});
+            if (!rows.length) { document.getElementById('statusMsg').textContent = 'Файл пуст'; return; }
+            build(rows);
+        } catch(err) {
+            document.getElementById('statusMsg').textContent = 'Ошибка: ' + err.message;
+        }
     };
     reader.readAsArrayBuffer(file);
 });
@@ -47,7 +69,7 @@ function build(raw) {
         var c = r.course || 'Без темы';
         if (!train[c]) train[c] = {all:{}, ok:{}, sc:[], tr:{}};
         train[c].all[r.name] = true;
-        if (r.status === 'завершен' || r.status === 'пройден') train[c].ok[r.name] = true;
+        if (done(r.status)) train[c].ok[r.name] = true;
         if (!isNaN(sc) && sc > 0) train[c].sc.push(sc);
         if (r.trainer) train[c].tr[r.trainer] = true;
 
@@ -98,24 +120,3 @@ function build(raw) {
         return '<tr><td>'+(r.name||'')+'</td><td>'+(r.division||'')+'</td><td>'+(r.course||'')+'</td><td>'+(r.status||'')+'</td><td>'+(r.score||'')+'</td><td>'+(r.trainer||'')+'</td></tr>';
     }).join('');
 }
-
-function barH(id, labels, ds) {
-    if(charts[id])charts[id].destroy();
-    charts[id]=new Chart(document.getElementById(id),{type:'bar',data:{labels:labels,datasets:ds.map(function(s){return{label:s.label,data:s.data,backgroundColor:s.bg,borderColor:s.bc,borderWidth:1}})},
-        options:{indexAxis:'y',responsive:true,plugins:{legend:{labels:{color:'#e0e0e0'}}},scales:{x:{beginAtZero:true,ticks:{color:'#90a4ae'},grid:{color:'#1e2d3d'}},y:{ticks:{color:'#e0e0e0',font:{size:11}},grid:{color:'#1e2d3d'}}}}});
-}
-function bar(id, labels, ds) {
-    if(charts[id])charts[id].destroy();
-    charts[id]=new Chart(document.getElementById(id),{type:'bar',data:{labels:labels,datasets:ds.map(function(s){return{label:s.label,data:s.data,backgroundColor:s.bg,borderColor:s.bc,borderWidth:1}})},
-        options:{responsive:true,plugins:{legend:{labels:{color:'#e0e0e0'}}},scales:{y:{beginAtZero:true,ticks:{color:'#90a4ae'},grid:{color:'#1e2d3d'}},x:{ticks:{color:'#90a4ae'},grid:{color:'#1e2d3d'}}}}});
-}
-function stacked(id, labels, ds) {
-    if(charts[id])charts[id].destroy();
-    charts[id]=new Chart(document.getElementById(id),{type:'bar',data:{labels:labels,datasets:ds.map(function(s){return{label:s.label,data:s.data,backgroundColor:s.bg,borderColor:s.bc,borderWidth:1}})},
-        options:{responsive:true,plugins:{legend:{labels:{color:'#e0e0e0'}}},scales:{x:{stacked:true,ticks:{color:'#90a4ae',maxRotation:45},grid:{color:'#1e2d3d'}},y:{stacked:true,beginAtZero:true,ticks:{color:'#90a4ae'},grid:{color:'#1e2d3d'}}}}});
-}
-function doughnut(id, labels, data, colors) {
-    if(charts[id])charts[id].destroy();
-    charts[id]=new Chart(document.getElementById(id),{type:'doughnut',data:{labels:labels,datasets:[{data:data,backgroundColor:colors,borderWidth:0}]},
-        options:{responsive:true,plugins:{legend:{labels:{color:'#e0e0e0'}}}}});
-}