diff --git a/.gitignore b/.gitignore
index e098c12..7528f9f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,3 +46,8 @@ scripts/auto-synchome.ps1
 # Arquivos temporários
 *.tmp
 *.temp
+
+# Arquivos de teste e dados temporários
+test_*.js
+test_*.cjs
+*.ifc
diff --git a/src/components/viewer3d/ModelViewer3D.tsx b/src/components/viewer3d/ModelViewer3D.tsx
index a471921..757719d 100644
--- a/src/components/viewer3d/ModelViewer3D.tsx
+++ b/src/components/viewer3d/ModelViewer3D.tsx
@@ -13,6 +13,7 @@ interface ProductionPieceStatus {
   pointedQtd: number;
   currentProcessName?: string;
   processColor?: string;
+  processOrdem?: number;
 }
 
 interface ModelViewer3DProps {
@@ -252,27 +253,46 @@ export const ModelViewer3D: React.FC<ModelViewer3DProps> = ({
         const cleanAssMark = String(mesh.userData.cleanAssemblyMark || cleanMark).trim().toUpperCase();
         const section = String(mesh.userData.section || '').trim().toUpperCase();
 
-        // 1. Determinação da fase e vínculo de produção
+        // 1. Extração da fase deste elemento (Propriedade IFC > Regex na Marca)
+        let elementPhase = '';
+        if (mesh.userData.phase) {
+          elementPhase = String(mesh.userData.phase).trim();
+        }
+        if (!elementPhase) {
+          const raw = assMark || pmark;
+          const match = raw.match(/^(?:[A-Za-z0-9]+-)?(\d+)-/i);
+          if (match) {
+            elementPhase = match[1];
+          }
+        }
+
+        // 2. Determinação do vínculo de produção (com matching rigoroso de fase)
         let prod: ProductionPieceStatus | undefined = undefined;
 
         if (colorMode === 'production' && productionData && productionData.size > 0) {
-          // Prioridade 1: Busca pela Assembly Mark do conjunto estrutural
-          if (assMark && assMark !== 'INDEFINIDO') {
-            prod = productionData.get(assMark) ||
-                   productionData.get(cleanAssMark) ||
-                   (selectedPhase && selectedPhase !== 'all' ? productionData.get(`${selectedPhase}-${cleanAssMark}`.toUpperCase()) : undefined) ||
-                   (selectedOF ? productionData.get(`${selectedOF}-${cleanAssMark}`.toUpperCase()) : undefined);
+          const searchKeys = [
+            elementPhase && selectedOF ? `${selectedOF}-${elementPhase}-${cleanAssMark}` : '',
+            elementPhase ? `${elementPhase}-${cleanAssMark}` : '',
+            elementPhase && selectedOF ? `${selectedOF}-${elementPhase}-${cleanMark}` : '',
+            elementPhase ? `${elementPhase}-${cleanMark}` : '',
+            assMark,
+            pmark,
+            cleanAssMark,
+            cleanMark
+          ].filter(Boolean).map(k => k.toUpperCase());
+
+          for (const key of searchKeys) {
+            const match = productionData.get(key);
+            // Se encontramos, mas ele tem fase e nós temos fase, elas precisam bater.
+            if (match) {
+               if (!elementPhase || !match.fase || String(match.fase) === String(elementPhase)) {
+                   prod = match;
+                   break;
+               }
+            }
           }
 
-          // Prioridade 2: Busca pela marca própria da peça
-          if (!prod && pmark && pmark !== 'INDEFINIDO') {
-            prod = productionData.get(pmark) ||
-                   productionData.get(cleanMark) ||
-                   (selectedPhase && selectedPhase !== 'all' ? productionData.get(`${selectedPhase}-${cleanMark}`.toUpperCase()) : undefined) ||
-                   (selectedOF ? productionData.get(`${selectedOF}-${cleanMark}`.toUpperCase()) : undefined);
-          }
-
-          // Prioridade 3: Fallback para perfis / bitolas
+          // Fallback para perfis / bitolas
           if (!prod && section && section !== '-' && section !== 'INDEFINIDO') {
             prod = productionData.get(`PERFIL:${section}`) ||
                    productionData.get(`DESC:${section}`);
@@ -291,22 +311,6 @@ export const ModelViewer3D: React.FC<ModelViewer3DProps> = ({
           }
         }
 
-        // 2. Extração da fase deste elemento (Banco > Propriedade IFC > Regex na Marca)
-        let elementPhase = '';
-        if (prod && prod.fase) {
-          elementPhase = String(prod.fase).trim();
-        }
-        if (!elementPhase && mesh.userData.phase) {
-          elementPhase = String(mesh.userData.phase).trim();
-        }
-        if (!elementPhase) {
-          const raw = assMark || pmark;
-          const match = raw.match(/^(?:[A-Za-z0-9]+-)?(\d+)-/i);
-          if (match) {
-            elementPhase = match[1];
-          }
-        }
-
         // 3. Controle Estrito de Visibilidade por Fase
         const isVisibleByPhase =
           !selectedPhase ||
@@ -330,10 +334,17 @@ export const ModelViewer3D: React.FC<ModelViewer3DProps> = ({
 
           if (prod && prod.pointedQtd > 0) {
             pointedCount++;
-            // Peça apontada no banco: aplica com precisão a cor do estágio de fabricação
-            const stageHex = prod.processColor || '#10b981';
+            // Cores baseadas no progresso: verde claro -> verde escuro
+            const qtyPercent = Math.min(prod.pointedQtd / prod.totalQtd, 1.0);
+            const processPercent = Math.min((prod.processOrdem || 1) / 5, 1.0);
+            const percent = qtyPercent * processPercent;
+            
+            const colorLight = new THREE.Color('#4ade80'); // Verde claro
+            const colorDark = new THREE.Color('#14532d'); // Verde escuro
+            const finalColor = new THREE.Color().lerpColors(colorLight, colorDark, percent);
+
             mesh.material = new THREE.MeshStandardMaterial({
-              color: new THREE.Color(stageHex),
+              color: finalColor,
               metalness: 0.35,
               roughness: 0.45,
               side: THREE.DoubleSide,
diff --git a/src/lib/ifc/ifcLoaderService.ts b/src/lib/ifc/ifcLoaderService.ts
index 2116c1f..b51385e 100644
--- a/src/lib/ifc/ifcLoaderService.ts
+++ b/src/lib/ifc/ifcLoaderService.ts
@@ -562,49 +562,49 @@ export async function loadAndAuditIFC(
       '';
 
     // Extração inteligente de Fase
-    const phaseCandidates = [
-      props.Phase,
-      props.Fase,
-      props['Phase Number'],
-      props['Phase Name'],
-      props['Tekla Assembly.Phase'],
-      props['Tekla Common.Phase'],
-      props['Tekla Assembly.Phase Name'],
-      props.Etapa,
-      props.Sequence,
-      props.Batch
-    ];
-    let chosenPhase = '';
-    for (const pCand of phaseCandidates) {
-      if (pCand && isValidMark(pCand)) {
-        chosenPhase = String(pCand).trim();
-        break;
-      }
-    }
-    if (!chosenPhase && childToAssembly.has(expressID)) {
-      const parentId = childToAssembly.get(expressID)!;
-      const parentProps = elementPropertiesMap.get(parentId) || {};
-      const parentPhaseCandidates = [
-        parentProps.Phase,
-        parentProps.Fase,
-        parentProps['Phase Number'],
-        parentProps['Phase Name'],
-        parentProps['Tekla Assembly.Phase'],
-        parentProps['Tekla Common.Phase'],
-        parentProps['Tekla Assembly.Phase Name'],
-        parentProps.Etapa,
-        parentProps.Sequence,
-        parentProps.Batch
+    let chosenPhase = extractPhaseFromMark(assemblyMark || finalMark);
+
+    if (!chosenPhase) {
+      const phaseCandidates = [
+        props.Phase,
+        props.Fase,
+        props['Phase Number'],
+        props['Phase Name'],
+        props['Tekla Assembly.Phase'],
+        props['Tekla Common.Phase'],
+        props['Tekla Assembly.Phase Name'],
+        props.Etapa,
+        props.Sequence,
+        props.Batch
       ];
-      for (const pCand of parentPhaseCandidates) {
+      for (const pCand of phaseCandidates) {
         if (pCand && isValidMark(pCand)) {
           chosenPhase = String(pCand).trim();
           break;
         }
       }
-    }
-    if (!chosenPhase) {
-      chosenPhase = extractPhaseFromMark(assemblyMark || finalMark);
+      if (!chosenPhase && childToAssembly.has(expressID)) {
+        const parentId = childToAssembly.get(expressID)!;
+        const parentProps = elementPropertiesMap.get(parentId) || {};
+        const parentPhaseCandidates = [
+          parentProps.Phase,
+          parentProps.Fase,
+          parentProps['Phase Number'],
+          parentProps['Phase Name'],
+          parentProps['Tekla Assembly.Phase'],
+          parentProps['Tekla Common.Phase'],
+          parentProps['Tekla Assembly.Phase Name'],
+          parentProps.Etapa,
+          parentProps.Sequence,
+          parentProps.Batch
+        ];
+        for (const pCand of parentPhaseCandidates) {
+          if (pCand && isValidMark(pCand)) {
+            chosenPhase = String(pCand).trim();
+            break;
+          }
+        }
+      }
     }
 
     return {
@@ -631,7 +631,7 @@ export async function loadAndAuditIFC(
       const markInfo = extractBestMark(assID);
       const children = assemblyToChildren.get(assID) || [];
 
-      if (markInfo.phase) {
+      if (markInfo.phase && markInfo.mark && markInfo.mark !== 'indefinido') {
         detectedPhasesSet.add(markInfo.phase);
       }
 
@@ -679,7 +679,7 @@ export async function loadAndAuditIFC(
     const materialName = elementMaterialMap.get(expressID) ?? '';
     const connectedGroup = weldedGroupMap.get(expressID) || [expressID];
 
-    if (markInfo.phase) {
+    if (markInfo.phase && markInfo.mark && markInfo.mark !== 'indefinido') {
       detectedPhasesSet.add(markInfo.phase);
     }
 
@@ -856,14 +856,13 @@ export function extractPhaseFromMark(mark: string): string {
   const parts = mark.split('-');
   if (parts.length >= 3) {
     const p1 = parts[1].trim();
-    if (p1 && /^\d+$/.test(p1)) return p1;
-    return p1;
+    if (p1 && /^[a-zA-Z0-9]+$/.test(p1)) return p1; // Can be 11, 12, A, etc.
   }
   if (parts.length === 2) {
     const p0 = parts[0].trim();
     if (p0 && /^\d+$/.test(p0)) return p0;
   }
-  const match = mark.match(/(?:fase|phase|etapa)\s*(\d+)/i);
+  const match = mark.match(/(?:fase|phase|etapa)\s*([a-zA-Z0-9]+)/i);
   if (match) return match[1];
 
   return '';
diff --git a/src/pages/Visualizador3D.tsx b/src/pages/Visualizador3D.tsx
index 0d240ba..bc94999 100644
--- a/src/pages/Visualizador3D.tsx
+++ b/src/pages/Visualizador3D.tsx
@@ -133,8 +133,8 @@ export default function Visualizador3D() {
 
         if (pecasData) {
           pecasData.forEach((p: any) => {
-            const fase = String(p.etapa_fase || '1');
-            phases.add(fase);
+            const fase = String(p.etapa_fase || '').trim();
+            if (fase) phases.add(fase);
             totalPecas += Number(p.quantidade || 0);
             totalPeso += Number(p.peso_total || 0);