diff --git a/public/js/calculators.js b/public/js/calculators.js
index 920c0b7..71601fa 100644
--- a/public/js/calculators.js
+++ b/public/js/calculators.js
@@ -758,19 +758,17 @@
       return M * Math.pow(1 + L * S * z, 1 / L);
     }
 
-    // Full Epic / CDC / WHO reference set: 3, 5, 10, 25, 50, 75, 90, 95, 97.
-    // Each percentile has its own hue so clinicians can match the patient
-    // dot to a band at a glance. Outer pairs (3/97) dashed — they're the
-    // abnormal-threshold lines on AAP-published charts.
+    // 7-line reference set: 3, 10, 25, 50, 75, 90, 97.
+    // Drops 5th and 95th (they crowded the 3rd/10th and 90th/97th labels
+    // on mobile without adding clinical value — 3rd/97th are the
+    // abnormal-threshold lines, the inner percentiles give the trend).
     var PERCENTILE_LINES = [
-      { p: 3,  z: -1.88079, color: 'rgba(220,38,38,0.85)',  dash: [6,4], width: 1.4 },  // red
-      { p: 5,  z: -1.64485, color: 'rgba(234,88,12,0.8)',   dash: [3,3], width: 1.1 },  // deep orange
-      { p: 10, z: -1.28155, color: 'rgba(245,158,11,0.85)', dash: [],    width: 1.1 },  // orange
-      { p: 25, z: -0.67449, color: 'rgba(202,138,4,0.8)',   dash: [],    width: 1.0 },  // amber
+      { p: 3,  z: -1.88079, color: 'rgba(220,38,38,0.9)',   dash: [6,4], width: 1.4 },  // red
+      { p: 10, z: -1.28155, color: 'rgba(234,88,12,0.9)',   dash: [],    width: 1.2 },  // orange
+      { p: 25, z: -0.67449, color: 'rgba(202,138,4,0.85)',  dash: [],    width: 1.1 },  // amber
       { p: 50, z: 0,        color: 'rgba(22,163,74,0.95)',  dash: [],    width: 2.4 },  // green (center)
-      { p: 75, z: 0.67449,  color: 'rgba(37,99,235,0.8)',   dash: [],    width: 1.0 },  // blue
-      { p: 90, z: 1.28155,  color: 'rgba(124,58,237,0.85)', dash: [],    width: 1.1 },  // violet
-      { p: 95, z: 1.64485,  color: 'rgba(168,85,247,0.8)',  dash: [3,3], width: 1.1 },  // purple
+      { p: 75, z: 0.67449,  color: 'rgba(37,99,235,0.85)',  dash: [],    width: 1.1 },  // blue
+      { p: 90, z: 1.28155,  color: 'rgba(124,58,237,0.9)',  dash: [],    width: 1.2 },  // violet
       { p: 97, z: 1.88079,  color: 'rgba(219,39,119,0.9)',  dash: [6,4], width: 1.4 }   // pink
     ];
 
@@ -798,12 +796,11 @@
         });
       });
       // Fill bands between symmetric percentile pairs.
-      // Indexes: 3=0, 5=1, 10=2, 25=3, 50=4, 75=5, 90=6, 95=7, 97=8
+      // Indexes: 3=0, 10=1, 25=2, 50=3, 75=4, 90=5, 97=6
       var fills = [
-        { outer: 0, inner: 8, color: 'rgba(220,38,38,0.04)' },   // 3rd-97th (widest)
-        { outer: 1, inner: 7, color: 'rgba(234,88,12,0.04)' },   // 5th-95th
-        { outer: 2, inner: 6, color: 'rgba(245,158,11,0.04)' },  // 10th-90th
-        { outer: 3, inner: 5, color: 'rgba(163,163,163,0.05)' }  // 25th-75th (IQR)
+        { outer: 0, inner: 6, color: 'rgba(220,38,38,0.04)' },   // 3rd-97th (widest)
+        { outer: 1, inner: 5, color: 'rgba(234,88,12,0.04)' },   // 10th-90th
+        { outer: 2, inner: 4, color: 'rgba(163,163,163,0.05)' }  // 25th-75th (IQR)
       ];
       fills.forEach(function(f) {
         if (datasets[f.outer] && datasets[f.inner]) {