diff --git a/frontend/src/components/editor/Step2FuzzyModeling.jsx b/frontend/src/components/editor/Step2FuzzyModeling.jsx
index ee9841e..34ba6f8 100644
--- a/frontend/src/components/editor/Step2FuzzyModeling.jsx
+++ b/frontend/src/components/editor/Step2FuzzyModeling.jsx
@@ -1,11 +1,21 @@
 import Chart from '../membershipFunction/Chart';
 import Controls from '../membershipFunction/Controls';
+import { CHART_COLORS } from '../../config';
 
-const COLORS = ['#ef4444', '#f59e0b', '#10b981', '#3b82f6', '#d946ef', '#06b6d4', '#8b5cf6', '#f43f5e', '#6366f1'];
-
-export default function Step2FuzzyModeling({baseScale, mfDefinitions, selectedTerm, setSelectedTerm, updateCurrentMf, handleFinalSubmit, onBack, subscales, onOpenSubscale}) {
+export default function Step2FuzzyModeling({
+  baseScale, 
+  mfDefinitions, 
+  selectedTerm, 
+  setSelectedTerm, 
+  updateCurrentMf, 
+  handleFinalSubmit, 
+  onBack, 
+  subscales, 
+  onOpenSubscale
+}) {
   const scaleKeys = Object.keys(baseScale);
-  const selectedColor = COLORS[scaleKeys.indexOf(selectedTerm) % COLORS.length] || '#2563eb';
+  
+  const selectedColor = CHART_COLORS[scaleKeys.indexOf(selectedTerm) % CHART_COLORS.length] || '#2563eb';
 
   return (
     <div className="w-full bg-white p-6 rounded-2xl shadow-sm border border-slate-200 animate-fade-in relative overflow-visible">
@@ -17,11 +27,18 @@ export default function Step2FuzzyModeling({baseScale, mfDefinitions, selectedTe
 
         <div className="flex flex-wrap justify-center gap-3 mb-6">
             {scaleKeys.map((name, index) => {
-                const color = COLORS[index % COLORS.length];
                 const isSelected = selectedTerm === name;
+                const color = CHART_COLORS[index % CHART_COLORS.length];
+
                 return (
-                    <button key={name} onClick={() => setSelectedTerm(name)} style={isSelected ? { backgroundColor: color, borderColor: color, color: '#fff' } : { borderColor: color, color: '#475569' }} className={`px-5 py-2 rounded-lg font-bold border-2 transition-all duration-300 flex flex-col items-center shadow-sm hover:shadow-md ${isSelected ? 'transform scale-105' : 'bg-white opacity-80 hover:opacity-100'}`}>
-                    <span>{name}</span><span className="text-[10px] font-normal opacity-80">(X: {baseScale[name].toFixed(2)})</span>
+                    <button 
+                        key={name} 
+                        onClick={() => setSelectedTerm(name)} 
+                        style={isSelected ? { backgroundColor: color, borderColor: color, color: '#fff' } : { borderColor: color, color: '#475569' }} 
+                        className={`px-5 py-2 rounded-lg font-bold border-2 transition-all duration-300 flex flex-col items-center shadow-sm hover:shadow-md ${isSelected ? 'transform scale-105' : 'bg-white opacity-80 hover:opacity-100'}`}
+                    >
+                        <span>{name}</span>
+                        <span className="text-[10px] font-normal opacity-80">(X: {baseScale[name].toFixed(2)})</span>
                     </button>
                 );
             })}
@@ -31,7 +48,7 @@ export default function Step2FuzzyModeling({baseScale, mfDefinitions, selectedTe
             baseScale={baseScale} 
             mfDefinitions={mfDefinitions} 
             selectedTerm={selectedTerm} 
-            colors={COLORS} 
+            colors={CHART_COLORS} 
         />
 
         <Controls 
@@ -46,11 +63,10 @@ export default function Step2FuzzyModeling({baseScale, mfDefinitions, selectedTe
         />
         
         <div className="w-full mt-8 flex justify-center">
-            <button onClick={handleFinalSubmit} className="px-10 py-3 bg-slate-900 text-white text-lg font-bold rounded-xl shadow-md hover:bg-black hover:shadow-lg transition-all">
+            <button onClick={handleFinalSubmit} className="px-10 py-3 bg-slate-900 text-white text-lg font-bold rounded-xl shadow-md hover:bg-slate-800 transition-colors">
                 Guardar Todo el Espectro Difuso
             </button>
         </div>
-        
     </div>
   );
 }
\ No newline at end of file
diff --git a/frontend/src/components/editor/Step3FinalGraph.jsx b/frontend/src/components/editor/Step3FinalGraph.jsx
index 0173abf..35d728f 100644
--- a/frontend/src/components/editor/Step3FinalGraph.jsx
+++ b/frontend/src/components/editor/Step3FinalGraph.jsx
@@ -1,85 +1,101 @@
-import {
-  LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer
-} from 'recharts';
+import { useMemo } from 'react';
+import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer } from 'recharts';
 import { CHART_COLORS } from '../../config';
 
 const Step3FinalGraph = ({ data }) => {
-  if (!data || !data.results) return <p>Cargando gráfico final...</p>;
+  const sortedResults = useMemo(() => {
+    if (!data || !data.results) return [];
 
-  const resultsWithOriginalIndex = data.results.map((item, index) => ({
-    ...item,
-    originalIndex: index
-  }));
+    const withPermanentColors = data.results.map((item, index) => ({
+      ...item,
+      color: CHART_COLORS[index % CHART_COLORS.length]
+    }));
 
-  const sortedResults = [...resultsWithOriginalIndex].sort((a, b) => {
-    const valA = a.core ? a.core[0] : 0;
-    const valB = b.core ? b.core[0] : 0;
-    return valA - valB;
-  });
+    return withPermanentColors.sort((a, b) => {
+      const coreA = Array.isArray(a.core) ? Number(a.core[0]) : 0;
+      const coreB = Array.isArray(b.core) ? Number(b.core[0]) : 0;
+      return coreA - coreB;
+    });
+  }, [data]);
+
+  if (!data || !data.results) {
+    return <p className="text-center mt-10 text-slate-500">Cargando gráfico final...</p>;
+  }
 
   return (
-    <div className="w-full h-[500px] mt-2 bg-white p-6 rounded-2xl shadow-sm border border-slate-200">
-      <h3 className="text-2xl font-bold mb-8 text-center text-slate-800">Espectro Difuso Final</h3>
+    <div className="w-full h-[550px] mt-2 bg-white p-6 rounded-2xl shadow-sm border border-slate-200 flex flex-col">
+      <h3 className="text-2xl font-bold mb-4 text-center text-slate-800">Espectro Difuso Final</h3>
       
-      <ResponsiveContainer width="100%" height="90%">
-        <LineChart margin={{ top: 10, right: 30, left: 10, bottom: 40 }}>
-          <CartesianGrid strokeDasharray="3 3" opacity={0.5} vertical={false} />
-          
-          <XAxis 
-            dataKey="x" 
-            type="number" 
-            domain={[0, 1]}
-            tickCount={11}
-            tick={{ fill: '#475569', fontWeight: 600, fontSize: 14 }}
-            allowDuplicatedCategory={false}
-          />
-          <YAxis 
-            domain={[0, 1]} 
-            tickCount={6} 
-            tick={{ fill: '#475569', fontSize: 14 }}
-          />
-          
-          <Tooltip 
-            formatter={(value, name) => [value.toFixed(3), name]}
-            labelFormatter={(label) => `X: ${Number(label).toFixed(3)}`}
-            contentStyle={{ borderRadius: '12px', border: 'none', boxShadow: '0 10px 15px -3px rgb(0 0 0 / 0.1)' }}
-          />
-          
-          <Legend 
-            wrapperStyle={{ paddingTop: '30px' }} 
-            iconType="circle"
-            payload={sortedResults.map(item => ({
-              id: item.term,
-              type: 'circle',
-              value: item.term.toUpperCase(),
-              color: CHART_COLORS[item.originalIndex % CHART_COLORS.length]
-            }))}
-          />
+      {/* Gráfica */}
+      <div className="flex-1 w-full min-h-[400px]">
+        <ResponsiveContainer width="100%" height="100%">
+          <LineChart margin={{ top: 10, right: 30, left: 10, bottom: 10 }}>
+            <CartesianGrid strokeDasharray="3 3" opacity={0.5} vertical={false} />
+            <XAxis 
+              dataKey="x" 
+              type="number" 
+              domain={[0, 1]}
+              tickCount={11}
+              tick={{ fill: '#475569', fontWeight: 600, fontSize: 14 }}
+              allowDuplicatedCategory={false}
+            />
+            <YAxis 
+              domain={[0, 1]} 
+              tickCount={6} 
+              tick={{ fill: '#475569', fontSize: 14 }}
+            />
+            <Tooltip 
+              formatter={(value, name) => [Number(value).toFixed(3), name]}
+              labelFormatter={(label) => `X: ${Number(label).toFixed(3)}`}
+              contentStyle={{ borderRadius: '12px', border: 'none', boxShadow: '0 10px 15px -3px rgb(0 0 0 / 0.1)' }}
+            />
 
-          {sortedResults.map((item) => {
-            const lineData = [...item.left_nodes, ...item.right_nodes].map(node => ({
-              x: node[0],
-              y: node[1]
-            }));
+            {sortedResults.map((item) => {
+              const lineData = [...(item.left_nodes || []), ...(item.right_nodes || [])].map(node => ({
+                x: Number(node[0]),
+                y: Number(node[1])
+              }));
+
+              return (
+                <Line
+                  key={item.term}
+                  data={lineData}
+                  type="linear"
+                  dataKey="y"
+                  name={item.term.toUpperCase()}
+                  stroke={item.color} 
+                  strokeWidth={4}
+                  dot={{ r: 5, strokeWidth: 2, fill: '#fff' }}
+                  activeDot={{ r: 8 }}
+                  isAnimationActive={true}
+                  animationDuration={1500}
+                />
+              );
+            })}
+          </LineChart>
+        </ResponsiveContainer>
+      </div>
+
+      {/* Leyenda */}
+      <div className="flex flex-wrap justify-center gap-x-8 gap-y-3 mt-6 pb-2">
+        {sortedResults.map((item) => (
+          <div key={`legend-${item.term}`} className="flex items-center gap-2">
+            
+            <span 
+              className="w-3.5 h-3.5 rounded-full shadow-sm"
+              style={{ backgroundColor: item.color }} 
+            />
+
+            <span 
+              className="text-sm font-medium uppercase tracking-wide" 
+              style={{ color: item.color }}
+            >
+              {item.term}
+            </span>
+          </div>
+        ))}
+      </div>
 
-            return (
-              <Line
-                key={item.term}
-                data={lineData}
-                type="linear"
-                dataKey="y"
-                name={item.term.toUpperCase()}
-                stroke={CHART_COLORS[item.originalIndex % CHART_COLORS.length]}
-                strokeWidth={4}
-                dot={{ r: 5, strokeWidth: 2, fill: '#fff' }}
-                activeDot={{ r: 8 }}
-                isAnimationActive={true}
-                animationDuration={1500}
-              />
-            );
-          })}
-        </LineChart>
-      </ResponsiveContainer>
     </div>
   );
 };