Pre-Alpha to Alpha Ready

SVS-MSP-Calculator.js

@@ -118,6 +118,16 @@ function update() {
   updateVsComparison(q);
   updateSectionSummaries(q);
 
+  // Active section accent
+  ['sec-02', 'sec-03', 'sec-01', 'sec-04', 'sec-05', 'sec-06'].forEach(function(secId) {
+    var el = document.getElementById(secId);
+    if (!el) return;
+    var input = el.querySelector('.num-input');
+    var isActive = input ? parseInt(input.value) > 0 : false;
+    if (secId === 'sec-01') isActive = q.mrr > 0;
+    el.classList.toggle('sec-active', isActive);
+  });
+
   debouncedSave();
 }
 
@@ -321,6 +331,10 @@ function stepInput(id, delta) {
   if (!el) return;
   const min = parseInt(el.min) ?? 0;
   el.value = Math.max(min, (parseInt(el.value) || 0) + delta);
+  // Pulse feedback
+  el.classList.remove('pulse');
+  void el.offsetWidth;
+  el.classList.add('pulse');
   update();
 }