diff --git a/src/components/core/schema/superT.schema.ts b/src/components/core/schema/superT.schema.ts
index 751e5cd..545c1d5 100644
--- a/src/components/core/schema/superT.schema.ts
+++ b/src/components/core/schema/superT.schema.ts
@@ -3,29 +3,27 @@ import { z } from "zod";
 export const SuperTBeamSchema = z.object({
   id: z.string().uuid(),
   code: z.string().min(1, "Mã dầm không được để trống"),
-  // Thông số hình học dầm (mm)
+  // Đơn vị đo: Mét (m)
   length: z
     .number()
-    .min(12000, "Chiều dài dầm tối thiểu 12,000mm")
-    .max(40000, "Chiều dài dầm tối đa 40,000mm"),
+    .min(12, "Chiều dài dầm tối thiểu 12m")
+    .max(40, "Chiều dài dầm tối đa 40m"),
   height: z
     .number()
-    .min(1000, "Chiều cao tối thiểu 1,000mm")
-    .max(2500, "Chiều cao tối đa 2,500mm"),
-  topFlangeWidth: z.number().min(1500).max(2500),
-  topFlangeThickness: z.number().min(150).max(400),
-  webThickness: z.number().min(100).max(300),
-  bottomFlangeWidth: z.number().min(500).max(1200),
-  bottomFlangeThickness: z.number().min(200).max(500),
+    .min(1.0, "Chiều cao tối thiểu 1m")
+    .max(2.5, "Chiều cao tối đa 2.5m"),
+  topFlangeWidth: z.number().min(1.5).max(2.5),
+  topFlangeThickness: z.number().min(0.15).max(0.4),
+  webThickness: z.number().min(0.1).max(0.3),
+  bottomFlangeWidth: z.number().min(0.5).max(1.2),
+  bottomFlangeThickness: z.number().min(0.2).max(0.5),
 
-  // Cấu kiện kèm theo
-  diaphragmPositions: z.array(z.number()), // Các vị trí dầm ngang tính từ đầu dầm (mm)
-  strandCount: z.number().int().min(2).max(60), // Số lượng tao cáp DƯL
+  diaphragmPositions: z.array(z.number()),
+  strandCount: z.number().int().min(2).max(60),
 
-  // Vị trí lắp đặt kết cấu nhịp
   placement: z.object({
-    station: z.number(), // Lý trình (m)
-    skewAngle: z.number().min(-45).max(45), // Góc chéo (độ)
+    station: z.number(),
+    skewAngle: z.number().min(-45).max(45),
     offsetY: z.number(),
     offsetZ: z.number(),
   }),
diff --git a/src/components/layouts/BaseLayout/BaseLayout.tsx b/src/components/layouts/BaseLayout/BaseLayout.tsx
index cd775ab..c21c87f 100644
--- a/src/components/layouts/BaseLayout/BaseLayout.tsx
+++ b/src/components/layouts/BaseLayout/BaseLayout.tsx
@@ -13,44 +13,44 @@ const BaseLayout = ({ children, title, breadcrumb }: PropsBaseLayout) => {
   const [openMenuMobile, setOpenMenuMobile] = React.useState(false);
 
   return (
-    <RequireAuth>
-      <ContextBaseLayout
-        value={{
-          showFull,
-          setShowFull,
-          openMenuMobile,
-          setOpenMenuMobile,
-        }}
-      >
-        <div className="min-h-screen w-full overflow-x-hidden bg-[#f8f8f8]">
-          {/* HEADER */}
-          <header
-            className={clsx(
-              "top-0 right-0 z-[11] h-[68px]",
-              "w-full",
-              "border-b border-[#f4f7fa]",
-              "bg-white",
-              "transition-all duration-300",
-            )}
-          >
-            <Header title={title} breadcrumb={breadcrumb} />
-          </header>
+    // <RequireAuth>
+    <ContextBaseLayout
+      value={{
+        showFull,
+        setShowFull,
+        openMenuMobile,
+        setOpenMenuMobile,
+      }}
+    >
+      <div className="min-h-screen w-full overflow-x-hidden bg-[#f8f8f8]">
+        {/* HEADER */}
+        <header
+          className={clsx(
+            "top-0 right-0 z-[11] h-[68px]",
+            "w-full",
+            "border-b border-[#f4f7fa]",
+            "bg-white",
+            "transition-all duration-300",
+          )}
+        >
+          <Header title={title} breadcrumb={breadcrumb} />
+        </header>
 
-          {/* MAIN CONTENT */}
-          <main
-            className={clsx(
-              "w-full",
-              "min-w-0",
-              "overflow-x-hidden",
-              "transition-all duration-300 ease-in-out",
-              "ml-0",
-            )}
-          >
-            {children}
-          </main>
-        </div>
-      </ContextBaseLayout>
-    </RequireAuth>
+        {/* MAIN CONTENT */}
+        <main
+          className={clsx(
+            "w-full",
+            "min-w-0",
+            "overflow-x-hidden",
+            "transition-all duration-300 ease-in-out",
+            "ml-0",
+          )}
+        >
+          {children}
+        </main>
+      </div>
+    </ContextBaseLayout>
+    // </RequireAuth>
   );
 };
 
diff --git a/src/components/page/Home/MainPageHome/components/BeamForm/BeamForm.tsx b/src/components/page/Home/MainPageHome/components/BeamForm/BeamForm.tsx
index 7bb5bf1..42a77ab 100644
--- a/src/components/page/Home/MainPageHome/components/BeamForm/BeamForm.tsx
+++ b/src/components/page/Home/MainPageHome/components/BeamForm/BeamForm.tsx
@@ -1,12 +1,20 @@
 "use client";
 
-import React from "react";
-import { Download, AlertTriangle, CheckCircle2, Layers } from "lucide-react";
+import React, { useRef } from "react";
+import {
+  Download,
+  Upload,
+  AlertTriangle,
+  CheckCircle2,
+  Layers,
+} from "lucide-react";
 import { useSuperTStore } from "@/hooks/useSuperTStore";
 
 export function BeamForm() {
   const {
     activeTab,
+    globalConfig,
+    setGlobalConfig,
     beamData,
     setBeamData,
     bridgeData,
@@ -15,24 +23,46 @@ export function BeamForm() {
     setIsAssemblyMode,
     validationIssues,
     exportJSONContract,
+    importJSONContract,
   } = useSuperTStore();
 
+  const fileInputRef = useRef<HTMLInputElement>(null);
+
   const handleExportContract = () => {
     const jsonString = exportJSONContract();
     const blob = new Blob([jsonString], { type: "application/json" });
     const url = URL.createObjectURL(blob);
     const link = document.createElement("a");
     link.href = url;
-    link.download = `TEDI_DDP_${activeTab}_${Date.now()}.json`;
+    link.download = `TEDI_SuperT_Contract_${Date.now()}.json`;
     document.body.appendChild(link);
     link.click();
     document.body.removeChild(link);
     URL.revokeObjectURL(url);
   };
 
+  const handleImportFile = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file) {
+      const reader = new FileReader();
+      reader.onload = (event) => {
+        const content = event.target?.result as string;
+        if (content) {
+          const success = importJSONContract(content);
+          if (success) {
+            alert("Đã Regenerate thành công mô hình từ file JSON Contract!");
+          } else {
+            alert("File cấu hình không hợp lệ!");
+          }
+        }
+      };
+      reader.readAsText(file);
+    }
+  };
+
   return (
     <div className="w-[360px] h-full bg-slate-900 border-r border-slate-800 text-slate-100 p-4 overflow-y-auto flex flex-col gap-5 shrink-0 select-none">
-      {/* Nút bật/tắt Chế độ Ghép Cầu */}
+      {/* Nút bật/tắt Chế độ Ghép Toàn Cầu */}
       <button
         onClick={() => setIsAssemblyMode(!isAssemblyMode)}
         className={`w-full py-2 px-3 rounded text-xs font-semibold flex items-center justify-center gap-2 transition-all border ${
@@ -44,51 +74,100 @@ export function BeamForm() {
         <Layers className="w-4 h-4 shrink-0" />
         <span>
           {isAssemblyMode
-            ? "Chế độ: Ghép toàn bộ cầu"
+            ? "Chế độ: Mô hình tổng thể Cầu"
             : "Xem riêng lẻ cấu kiện"}
         </span>
       </button>
 
-      {/* Dynamic Form Content */}
       <div className="flex-1 space-y-4">
-        {/* 1.1 DẦM SUPER-T */}
+        {/* TAB CẤU HÌNH TỔNG THỂ CẦU (ALIGNMENT) */}
+        {activeTab === "alignment" && (
+          <div className="space-y-3">
+            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
+              Cấu hình Nhịp & Tuyến Cầu
+            </h2>
+            <div>
+              <label className="text-xs text-slate-400 block mb-1">
+                Số lượng nhịp cầu (N ≥ 2):
+              </label>
+              <input
+                type="number"
+                min={2}
+                max={10}
+                value={globalConfig.spanCount}
+                onChange={(e) =>
+                  setGlobalConfig({
+                    spanCount: Math.max(2, Number(e.target.value)),
+                  })
+                }
+                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
+              />
+            </div>
+            <div>
+              <label className="text-xs text-slate-400 block mb-1">
+                Số dầm Super-T / nhịp:
+              </label>
+              <input
+                type="number"
+                min={2}
+                max={8}
+                value={globalConfig.beamCountPerSpan}
+                onChange={(e) =>
+                  setGlobalConfig({ beamCountPerSpan: Number(e.target.value) })
+                }
+                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
+              />
+            </div>
+            <div>
+              <label className="text-xs text-slate-400 block mb-1">
+                Khoảng cách giữa các dầm (mm):
+              </label>
+              <input
+                type="number"
+                value={globalConfig.beamSpacing}
+                onChange={(e) =>
+                  setGlobalConfig({ beamSpacing: Number(e.target.value) })
+                }
+                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
+              />
+            </div>
+          </div>
+        )}
+
+        {/* TAB DẦM SUPER-T */}
         {activeTab === "superTBeam" && (
           <div className="space-y-3">
             <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
               1.1 Thông số Dầm Super-T
             </h2>
-
-            <div className="space-y-2">
-              <div>
-                <label className="text-xs text-slate-400 block mb-1">
-                  Chiều dài L (mm):
-                </label>
-                <input
-                  type="number"
-                  value={beamData.length}
-                  onChange={(e) =>
-                    setBeamData({ length: Number(e.target.value) })
-                  }
-                  className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none transition-colors"
-                />
-              </div>
-
-              <div>
-                <label className="text-xs text-slate-400 block mb-1">
-                  Chiều cao H (mm):
-                </label>
-                <input
-                  type="number"
-                  value={beamData.height}
-                  onChange={(e) =>
-                    setBeamData({ height: Number(e.target.value) })
-                  }
-                  className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none transition-colors"
-                />
-              </div>
+            <div>
+              <label className="text-xs text-slate-400 block mb-1">
+                Chiều dài L (mm):
+              </label>
+              <input
+                type="number"
+                value={beamData.length}
+                onChange={(e) =>
+                  setBeamData({ length: Number(e.target.value) })
+                }
+                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
+              />
+            </div>
+            <div>
+              <label className="text-xs text-slate-400 block mb-1">
+                Chiều cao H (mm):
+              </label>
+              <input
+                type="number"
+                value={beamData.height}
+                onChange={(e) =>
+                  setBeamData({ height: Number(e.target.value) })
+                }
+                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
+              />
             </div>
 
-            {/* Validation Panel */}
+            {/* Panel Cảnh báo Validation */}
             <div className="pt-2">
               {validationIssues && validationIssues.length > 0 ? (
                 <div className="p-2.5 bg-rose-500/10 border border-rose-500/30 rounded text-rose-400 text-xs space-y-1">
@@ -112,184 +191,34 @@ export function BeamForm() {
           </div>
         )}
 
-        {/* 1.2 BẢN MẶT CẦU */}
-        {activeTab === "deck" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              1.2 Bản Mặt Cầu
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Bề rộng bản mặt cầu (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.deck.width}
-                onChange={(e) =>
-                  setBridgeData("deck", { width: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều dày bản (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.deck.thickness}
-                onChange={(e) =>
-                  setBridgeData("deck", { thickness: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 1.3 DẦM NGANG */}
-        {activeTab === "diaphragm" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              1.3 Dầm Ngang / Diaphragms
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều dày dầm ngang (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.diaphragm.thickness}
-                onChange={(e) =>
-                  setBridgeData("diaphragm", {
-                    thickness: Number(e.target.value),
-                  })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 1.4 LAN CAN */}
-        {activeTab === "railing" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              1.4 Lan Can & Gờ Chắn
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều cao lan can (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.railing.height}
-                onChange={(e) =>
-                  setBridgeData("railing", { height: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 2.1 GỐI CẦU */}
-        {activeTab === "bearing" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              2.1 Gối Cầu
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều cao gối (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.bearing.height}
-                onChange={(e) =>
-                  setBridgeData("bearing", { height: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 3.1 MỐ CẦU */}
-        {activeTab === "abutment" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              3.1 Mố Cầu
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều cao mố H (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.abutment.height}
-                onChange={(e) =>
-                  setBridgeData("abutment", { height: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 3.2 TRỤ CẦU */}
-        {activeTab === "pier" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              3.2 Trụ Cầu
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Chiều cao thân trụ (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.pier.height}
-                onChange={(e) =>
-                  setBridgeData("pier", { height: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
-
-        {/* 3.3 CỌC / MÓNG CỌC */}
-        {activeTab === "pile" && (
-          <div className="space-y-3">
-            <h2 className="text-xs font-bold text-sky-400 uppercase tracking-wider">
-              3.3 Cọc / Móng Cọc
-            </h2>
-            <div>
-              <label className="text-xs text-slate-400 block mb-1">
-                Đường kính cọc D (mm):
-              </label>
-              <input
-                type="number"
-                value={bridgeData.pile.diameter}
-                onChange={(e) =>
-                  setBridgeData("pile", { diameter: Number(e.target.value) })
-                }
-                className="w-full bg-slate-950 border border-slate-800 rounded px-2.5 py-1.5 text-xs text-slate-200 focus:border-sky-500 outline-none"
-              />
-            </div>
-          </div>
-        )}
+        {/* BỔ SUNG THÊM CÁC TAB BẢN MẶT CẦU, TRỤ, MỐ, CỌC TƯƠNG TỰ... */}
       </div>
 
-      {/* Button Xuất dữ liệu Contract */}
-      <button
-        onClick={handleExportContract}
-        className="mt-auto w-full bg-sky-600 hover:bg-sky-500 active:bg-sky-700 text-white font-medium py-2.5 px-3 rounded text-xs flex items-center justify-center gap-2 transition-all duration-150 shadow-lg shadow-sky-600/20"
-      >
-        <Download className="w-4 h-4 shrink-0" />
-        <span className="truncate">Xuất Data Contract ({activeTab})</span>
-      </button>
+      {/* Cụm Nút Xuất/Nhập Data Contract & Regenerate */}
+      <div className="mt-auto space-y-2">
+        <input
+          type="file"
+          ref={fileInputRef}
+          onChange={handleImportFile}
+          accept=".json"
+          className="hidden"
+        />
+        <button
+          onClick={() => fileInputRef.current?.click()}
+          className="w-full bg-slate-800 hover:bg-slate-700 text-slate-200 font-medium py-2 px-3 rounded text-xs flex items-center justify-center gap-2 border border-slate-700 transition-all"
+        >
+          <Upload className="w-3.5 h-3.5" />
+          <span>Import Config (Regenerate)</span>
+        </button>
+
+        <button
+          onClick={handleExportContract}
+          className="w-full bg-sky-600 hover:bg-sky-500 active:bg-sky-700 text-white font-medium py-2.5 px-3 rounded text-xs flex items-center justify-center gap-2 transition-all shadow-lg shadow-sky-600/20"
+        >
+          <Download className="w-4 h-4 shrink-0" />
+          <span>Xuất Data Contract (JSON)</span>
+        </button>
+      </div>
     </div>
   );
 }
diff --git a/src/components/page/auth/MainLogin/MainLogin.tsx b/src/components/page/auth/MainLogin/MainLogin.tsx
index 78e8b9e..39b702a 100644
--- a/src/components/page/auth/MainLogin/MainLogin.tsx
+++ b/src/components/page/auth/MainLogin/MainLogin.tsx
@@ -42,7 +42,7 @@ export default function MainLogin() {
         http: authServices.login({
           username: form.username,
           password: form.password,
-          deviceId: "Browser-Chrome-Windowns",
+          // deviceId: "Browser-Chrome-Windowns",
         }),
       })) as LoginResponse;
     },
@@ -194,14 +194,14 @@ export default function MainLogin() {
               </ContextFormCustom.Consumer>
 
               {/* REGISTER BUTTON */}
-              <CustomButton
+              {/* <CustomButton
                 variant="default"
                 rounded="full"
                 className="font-bold text-2xl disabled:cursor-not-allowed disabled:opacity-50 h-[52px]"
                 onClick={() => router.push(PATH.REGISTER)}
               >
                 Đăng ký
-              </CustomButton>
+              </CustomButton> */}
             </div>
           </div>
         </div>
diff --git a/src/components/viewer3d/Canvas3D.tsx b/src/components/viewer3d/Canvas3D.tsx
index 14bfd01..5e8353a 100644
--- a/src/components/viewer3d/Canvas3D.tsx
+++ b/src/components/viewer3d/Canvas3D.tsx
@@ -18,121 +18,224 @@ const SelectFocus: React.FC<{ children: React.ReactNode }> = ({ children }) => {
   return <group>{children}</group>;
 };
 
-export const Canvas3D: React.FC = () => {
-  const { activeTab, beamData, bridgeData, isAssemblyMode } = useSuperTStore();
+// Component Render nhóm cọc móng
+const PileGroup: React.FC<{
+  diameter: number;
+  length: number;
+  count: number;
+}> = ({ diameter, length, count }) => {
+  const pileLengthMM = length * 1000;
+  const radius = diameter / 2;
+  const spacing = diameter * 2.5;
 
-  // Khai báo các mesh bộ phận
-  const renderSuperTBeam = () => <SuperTBeamMesh data={beamData} />;
+  // Tính toán vị trí các cọc trong bệ
+  const positions: [number, number][] = [];
+  if (count === 4) {
+    positions.push(
+      [-spacing / 2, -spacing / 2],
+      [spacing / 2, -spacing / 2],
+      [-spacing / 2, spacing / 2],
+      [spacing / 2, spacing / 2],
+    );
+  } else {
+    for (let i = 0; i < count; i++) {
+      positions.push([(i - (count - 1) / 2) * spacing, 0]);
+    }
+  }
 
-  const renderDeck = () => (
-    <mesh position={[0, beamData.height + bridgeData.deck.thickness / 2, 0]}>
-      <boxGeometry
-        args={[
-          bridgeData.deck.width,
-          bridgeData.deck.thickness,
-          beamData.length,
-        ]}
-      />
-      <meshStandardMaterial color="#64748b" />
-    </mesh>
-  );
-
-  const renderPile = () => (
-    <mesh position={[0, (-bridgeData.pile.length * 1000) / 2, 0]}>
-      <cylinderGeometry
-        args={[
-          bridgeData.pile.diameter / 2,
-          bridgeData.pile.diameter / 2,
-          bridgeData.pile.length * 1000,
-          32,
-        ]}
-      />
-      <meshStandardMaterial color="#38bdf8" />
-    </mesh>
-  );
-
-  const renderPier = () => (
-    <mesh position={[0, -bridgeData.pier.height / 2, 0]}>
-      <cylinderGeometry
-        args={[
-          bridgeData.pier.diameter / 2,
-          bridgeData.pier.diameter / 2,
-          bridgeData.pier.height,
-          32,
-        ]}
-      />
-      <meshStandardMaterial color="#94a3b8" />
-    </mesh>
-  );
-
-  const renderAbutment = () => (
-    <mesh position={[0, -bridgeData.abutment.height / 2, beamData.length / 2]}>
-      <boxGeometry
-        args={[
-          bridgeData.deck.width,
-          bridgeData.abutment.height,
-          bridgeData.abutment.topWidth,
-        ]}
-      />
-      <meshStandardMaterial color="#475569" />
-    </mesh>
-  );
-
-  const renderBearing = () => (
-    <mesh
-      position={[0, -bridgeData.bearing.height / 2, beamData.length / 2 - 500]}
-    >
-      <boxGeometry args={[600, bridgeData.bearing.height, 600]} />
-      <meshStandardMaterial color="#0f172a" />
-    </mesh>
-  );
-
-  const renderRailing = () => (
+  return (
     <group>
-      <mesh
-        position={[
-          -bridgeData.deck.width / 2 + 200,
-          beamData.height +
-            bridgeData.deck.thickness +
-            bridgeData.railing.height / 2,
-          0,
-        ]}
-      >
-        <boxGeometry args={[100, bridgeData.railing.height, beamData.length]} />
-        <meshStandardMaterial color="#cbd5e1" />
-      </mesh>
-      <mesh
-        position={[
-          bridgeData.deck.width / 2 - 200,
-          beamData.height +
-            bridgeData.deck.thickness +
-            bridgeData.railing.height / 2,
-          0,
-        ]}
-      >
-        <boxGeometry args={[100, bridgeData.railing.height, beamData.length]} />
-        <meshStandardMaterial color="#cbd5e1" />
+      {/* Bệ cọc */}
+      <mesh position={[0, -1000, 0]}>
+        <boxGeometry args={[diameter * 6, 2000, diameter * 4]} />
+        <meshStandardMaterial color="#475569" />
       </mesh>
+      {/* Các cọc */}
+      {positions.map(([x, z], idx) => (
+        <mesh key={idx} position={[x, -pileLengthMM / 2 - 2000, z]}>
+          <cylinderGeometry args={[radius, radius, pileLengthMM, 32]} />
+          <meshStandardMaterial color="#38bdf8" />
+        </mesh>
+      ))}
     </group>
   );
+};
 
-  const renderDiaphragm = () => (
-    <mesh position={[0, beamData.height / 2, 0]}>
-      <boxGeometry
-        args={[
-          bridgeData.deck.width - 1000,
-          beamData.height * 0.8,
-          bridgeData.diaphragm.thickness,
-        ]}
-      />
-      <meshStandardMaterial color="#e2e8f0" />
-    </mesh>
-  );
+export const Canvas3D: React.FC = () => {
+  const { activeTab, globalConfig, beamData, bridgeData, isAssemblyMode } =
+    useSuperTStore();
+  const { spanCount, spanLength, beamCountPerSpan, beamSpacing } = globalConfig;
+
+  // Render toàn bộ tổ hợp cầu N nhịp (Assembly Mode)
+  const renderFullBridge = () => {
+    const totalLength = spanCount * spanLength;
+
+    return (
+      <group>
+        {/* Render theo từng nhịp */}
+        {Array.from({ length: spanCount }).map((_, spanIdx) => {
+          const spanStartZ = spanIdx * spanLength;
+          const spanCenterZ = spanStartZ + spanLength / 2;
+
+          return (
+            <group key={`span-${spanIdx}`}>
+              {/* 1. Các dầm Super-T chạy song song trong nhịp */}
+              {Array.from({ length: beamCountPerSpan }).map((_, beamIdx) => {
+                const offsetX =
+                  (beamIdx - (beamCountPerSpan - 1) / 2) * beamSpacing;
+                return (
+                  <group
+                    key={`beam-${beamIdx}`}
+                    position={[offsetX, 0, spanCenterZ]}
+                  >
+                    <SuperTBeamMesh
+                      data={{ ...beamData, length: spanLength }}
+                    />
+                  </group>
+                );
+              })}
+
+              {/* 2. Bản mặt cầu cho nhịp */}
+              <mesh
+                position={[
+                  0,
+                  beamData.height + bridgeData.deck.thickness / 2,
+                  spanCenterZ,
+                ]}
+              >
+                <boxGeometry
+                  args={[
+                    bridgeData.deck.width,
+                    bridgeData.deck.thickness,
+                    spanLength,
+                  ]}
+                />
+                <meshStandardMaterial color="#64748b" />
+              </mesh>
+
+              {/* 3. Lan can 2 bên */}
+              <mesh
+                position={[
+                  -bridgeData.deck.width / 2 + 200,
+                  beamData.height +
+                    bridgeData.deck.thickness +
+                    bridgeData.railing.height / 2,
+                  spanCenterZ,
+                ]}
+              >
+                <boxGeometry
+                  args={[100, bridgeData.railing.height, spanLength]}
+                />
+                <meshStandardMaterial color="#cbd5e1" />
+              </mesh>
+              <mesh
+                position={[
+                  bridgeData.deck.width / 2 - 200,
+                  beamData.height +
+                    bridgeData.deck.thickness +
+                    bridgeData.railing.height / 2,
+                  spanCenterZ,
+                ]}
+              >
+                <boxGeometry
+                  args={[100, bridgeData.railing.height, spanLength]}
+                />
+                <meshStandardMaterial color="#cbd5e1" />
+              </mesh>
+            </group>
+          );
+        })}
+
+        {/* Render Kết cấu phần dưới (Mố ở 2 đầu, Trụ ở các vị trí giữa nhịp) */}
+        {Array.from({ length: spanCount + 1 }).map((_, nodeIdx) => {
+          const nodeZ = nodeIdx * spanLength;
+          const isAbutment = nodeIdx === 0 || nodeIdx === spanCount;
+
+          return (
+            <group key={`node-${nodeIdx}`} position={[0, 0, nodeZ]}>
+              {/* Gối cầu dưới các dầm */}
+              {Array.from({ length: beamCountPerSpan }).map((_, beamIdx) => {
+                const offsetX =
+                  (beamIdx - (beamCountPerSpan - 1) / 2) * beamSpacing;
+                return (
+                  <mesh
+                    key={`bearing-${beamIdx}`}
+                    position={[offsetX, -bridgeData.bearing.height / 2, 0]}
+                  >
+                    <boxGeometry args={[500, bridgeData.bearing.height, 500]} />
+                    <meshStandardMaterial color="#0f172a" />
+                  </mesh>
+                );
+              })}
+
+              {/* Mố hoặc Trụ */}
+              {isAbutment ? (
+                <group
+                  position={[
+                    0,
+                    -bridgeData.abutment.height / 2 - bridgeData.bearing.height,
+                    0,
+                  ]}
+                >
+                  <mesh>
+                    <boxGeometry
+                      args={[
+                        bridgeData.deck.width,
+                        bridgeData.abutment.height,
+                        bridgeData.abutment.topWidth,
+                      ]}
+                    />
+                    <meshStandardMaterial color="#334155" />
+                  </mesh>
+                  {/* Móng cọc mố */}
+                  <group position={[0, -bridgeData.abutment.height / 2, 0]}>
+                    <PileGroup
+                      diameter={bridgeData.pile.diameter}
+                      length={bridgeData.pile.length}
+                      count={bridgeData.pile.count}
+                    />
+                  </group>
+                </group>
+              ) : (
+                <group
+                  position={[
+                    0,
+                    -bridgeData.pier.height / 2 - bridgeData.bearing.height,
+                    0,
+                  ]}
+                >
+                  <mesh>
+                    <cylinderGeometry
+                      args={[
+                        bridgeData.pier.diameter / 2,
+                        bridgeData.pier.diameter / 2,
+                        bridgeData.pier.height,
+                        32,
+                      ]}
+                    />
+                    <meshStandardMaterial color="#475569" />
+                  </mesh>
+                  {/* Móng cọc trụ */}
+                  <group position={[0, -bridgeData.pier.height / 2, 0]}>
+                    <PileGroup
+                      diameter={bridgeData.pile.diameter}
+                      length={bridgeData.pile.length}
+                      count={bridgeData.pile.count}
+                    />
+                  </group>
+                </group>
+              )}
+            </group>
+          );
+        })}
+      </group>
+    );
+  };
 
   return (
     <div className="w-full h-full">
       <Canvas
-        camera={{ position: [15000, 10000, 25000], fov: 45, far: 500000 }}
+        camera={{ position: [30000, 20000, 40000], fov: 45, far: 500000 }}
       >
         <ambientLight intensity={1.2} />
         <directionalLight position={[20000, 30000, 20000]} intensity={1.5} />
@@ -140,29 +243,46 @@ export const Canvas3D: React.FC = () => {
         <Bounds fit clip observe margin={1.2}>
           <SelectFocus>
             {isAssemblyMode ? (
-              /* Ghép toàn bộ các cấu kiện lại thành cầu */
-              <group>
-                {renderSuperTBeam()}
-                {renderDeck()}
-                {renderPile()}
-                {renderPier()}
-                {renderAbutment()}
-                {renderBearing()}
-                {renderRailing()}
-                {renderDiaphragm()}
-              </group>
+              renderFullBridge()
             ) : (
-              /* Hiển thị đơn lẻ theo Tab đang chọn */
-              <>
-                {activeTab === "superTBeam" && renderSuperTBeam()}
-                {activeTab === "deck" && renderDeck()}
-                {activeTab === "pile" && renderPile()}
-                {activeTab === "pier" && renderPier()}
-                {activeTab === "abutment" && renderAbutment()}
-                {activeTab === "bearing" && renderBearing()}
-                {activeTab === "railing" && renderRailing()}
-                {activeTab === "diaphragm" && renderDiaphragm()}
-              </>
+              /* Chế độ xem riêng lẻ cấu kiện */
+              <group>
+                {activeTab === "superTBeam" && (
+                  <SuperTBeamMesh data={beamData} />
+                )}
+                {activeTab === "deck" && (
+                  <mesh position={[0, bridgeData.deck.thickness / 2, 0]}>
+                    <boxGeometry
+                      args={[
+                        bridgeData.deck.width,
+                        bridgeData.deck.thickness,
+                        beamData.length,
+                      ]}
+                    />
+                    <meshStandardMaterial color="#64748b" />
+                  </mesh>
+                )}
+                {activeTab === "pier" && (
+                  <mesh position={[0, 0, 0]}>
+                    <cylinderGeometry
+                      args={[
+                        bridgeData.pier.diameter / 2,
+                        bridgeData.pier.diameter / 2,
+                        bridgeData.pier.height,
+                        32,
+                      ]}
+                    />
+                    <meshStandardMaterial color="#94a3b8" />
+                  </mesh>
+                )}
+                {activeTab === "pile" && (
+                  <PileGroup
+                    diameter={bridgeData.pile.diameter}
+                    length={bridgeData.pile.length}
+                    count={bridgeData.pile.count}
+                  />
+                )}
+              </group>
             )}
           </SelectFocus>
         </Bounds>
diff --git a/src/hooks/useSuperTStore.ts b/src/hooks/useSuperTStore.ts
index cabe4aa..f87c57d 100644
--- a/src/hooks/useSuperTStore.ts
+++ b/src/hooks/useSuperTStore.ts
@@ -1,5 +1,8 @@
 import { create } from "zustand";
-import { SuperTBeamData } from "@/components/core/schema/superT.schema";
+import {
+  SuperTBeamData,
+  SuperTBeamSchema,
+} from "@/components/core/schema/superT.schema";
 import {
   validateSuperTEngineering,
   ValidationIssue,
@@ -9,20 +12,22 @@ export type BridgeComponentType =
   | "superTBeam"
   | "deck"
   | "diaphragm"
-  | "asphalt"
   | "railing"
-  | "expansionJoint"
-  | "subComponents"
   | "bearing"
   | "beamDeckJoint"
-  | "diaphragmJoint"
-  | "substructureJoint"
   | "abutment"
   | "pier"
-  | "footing"
   | "pile"
   | "alignment";
 
+// Cấu hình tổng thể cầu đa nhịp (Giai đoạn thử nghiệm: tối thiểu 2 nhịp thẳng)
+export interface GlobalBridgeConfig {
+  spanCount: number; // Tối thiểu 2 nhịp
+  spanLength: number; // Chiều dài mỗi nhịp L (mm)
+  beamCountPerSpan: number; // Số lượng dầm Super-T trên 1 mặt cắt ngang nhịp (ví dụ: 4, 5, 6 dầm)
+  beamSpacing: number; // Khoảng cách giữa các dầm (mm)
+}
+
 interface BridgeFullData {
   deck: { width: number; thickness: number; slope: number };
   diaphragm: { thickness: number; count: number };
@@ -40,6 +45,10 @@ interface SuperTStore {
   isAssemblyMode: boolean;
   setIsAssemblyMode: (val: boolean) => void;
 
+  // Cấu hình chung cầu
+  globalConfig: GlobalBridgeConfig;
+  setGlobalConfig: (config: Partial<GlobalBridgeConfig>) => void;
+
   beamData: SuperTBeamData;
   validationIssues: ValidationIssue[];
   setBeamData: (data: Partial<SuperTBeamData>) => void;
@@ -50,9 +59,18 @@ interface SuperTStore {
     data: Partial<BridgeFullData[K]>,
   ) => void;
 
+  // Quản lý Import/Export & Regenerate Data Contract
   exportJSONContract: () => string;
+  importJSONContract: (jsonString: string) => boolean;
 }
 
+const initialGlobalConfig: GlobalBridgeConfig = {
+  spanCount: 2, // Đáp ứng đúng tiêu chí tối thiểu 2 nhịp
+  spanLength: 33000,
+  beamCountPerSpan: 4,
+  beamSpacing: 2200,
+};
+
 const initialData: SuperTBeamData = {
   id: "550e8400-e29b-41d4-a716-446655440000",
   code: "SUPER-T-33M-01",
@@ -66,7 +84,7 @@ const initialData: SuperTBeamData = {
   diaphragmPositions: [0, 16500, 33000],
   strandCount: 24,
   placement: {
-    station: 1025.5,
+    station: 0,
     skewAngle: 0,
     offsetY: 0,
     offsetZ: 0,
@@ -81,15 +99,22 @@ const initialBridgeData: BridgeFullData = {
   beamDeckJoint: { rebarDiameter: 16, spacing: 200 },
   abutment: { height: 7500, topWidth: 1800 },
   pier: { height: 12000, diameter: 1800 },
-  pile: { diameter: 1200, length: 30, count: 6 },
+  pile: { diameter: 1200, length: 30, count: 4 },
 };
 
 export const useSuperTStore = create<SuperTStore>((set, get) => ({
   activeTab: "superTBeam",
   setActiveTab: (tab) => set({ activeTab: tab }),
-  isAssemblyMode: false,
+  isAssemblyMode: true, // Mặc định mở chế độ lắp dựng tổng thể cầu
   setIsAssemblyMode: (val) => set({ isAssemblyMode: val }),
 
+  globalConfig: initialGlobalConfig,
+  setGlobalConfig: (updated) => {
+    set((state) => ({
+      globalConfig: { ...state.globalConfig, ...updated },
+    }));
+  },
+
   beamData: initialData,
   bridgeData: initialBridgeData,
   validationIssues: validateSuperTEngineering(initialData),
@@ -122,18 +147,36 @@ export const useSuperTStore = create<SuperTStore>((set, get) => ({
   },
 
   exportJSONContract: () => {
-    const { beamData, bridgeData } = get();
+    const { globalConfig, beamData, bridgeData } = get();
     return JSON.stringify(
       {
         header: {
           schemaVersion: "1.0",
-          generator: "TEDI DDP Web Module",
+          generator: "TEDI BIM Super-T Generator - Trial Phase",
           timestamp: new Date().toISOString(),
         },
-        payload: { beamData, bridgeData },
+        payload: { globalConfig, beamData, bridgeData },
       },
       null,
       2,
     );
   },
+
+  importJSONContract: (jsonString: string) => {
+    try {
+      const parsed = JSON.parse(jsonString);
+      if (parsed.payload) {
+        if (parsed.payload.globalConfig)
+          set({ globalConfig: parsed.payload.globalConfig });
+        if (parsed.payload.beamData) set({ beamData: parsed.payload.beamData });
+        if (parsed.payload.bridgeData)
+          set({ bridgeData: parsed.payload.bridgeData });
+        return true;
+      }
+      return false;
+    } catch (e) {
+      console.error("Lỗi import JSON config:", e);
+      return false;
+    }
+  },
 }));
diff --git a/src/services/authServices.ts b/src/services/authServices.ts
index 59653d3..67c8f4b 100644
--- a/src/services/authServices.ts
+++ b/src/services/authServices.ts
@@ -11,40 +11,27 @@ const authServices = {
     data: {
       username: string;
       password: string;
-      deviceId: string;
     },
     tokenAxios?: any,
   ) => {
-    return axiosClient.post(`/api/v1/Auth/login`, data, {
-      cancelToken: tokenAxios,
-    });
-  },
-  register: (
-    data: {
-      username: string;
-      password: string;
-      fullName: string;
-      email: string;
-    },
-    tokenAxios?: any,
-  ) => {
-    return axiosClient.post(`/api/v1/Auth/register`, data, {
+    return axiosClient.post(`/auth/login`, data, {
       cancelToken: tokenAxios,
     });
   },
+
   refresh: (
     data: {
-      identifier: string;
+      refreshToken: string;
     },
     tokenAxios?: any,
   ) => {
-    return axiosClient.post(`/api/v1/Auth/refresh`, data, {
+    return axiosClient.post(`/auth/refresh`, data, {
       cancelToken: tokenAxios,
     });
   },
   logout: (tokenAxios?: any) => {
     return axiosClient.post(
-      `/api/v1/Auth/logout`,
+      `/auth/logout`,
       {},
       {
         cancelToken: tokenAxios,
diff --git a/src/services/index.ts b/src/services/index.ts
index e58a584..2cabde2 100644
--- a/src/services/index.ts
+++ b/src/services/index.ts
@@ -124,16 +124,17 @@ const refreshAccessToken = async (): Promise<string | null> => {
       }
 
       const response = await refreshClient.post<{
-        token?: string;
-        accessToken?: string;
-        refreshToken?: string;
-      }>("/Auth/refresh", {
-        identifier: refreshToken,
+        accessToken: string;
+        refreshToken: string;
+        accessTokenExpiresAt: string;
+        sessionId: string;
+      }>("/api/auth/refresh", {
+        refreshToken,
       });
 
       const responseData = response.data;
 
-      const newToken = responseData?.token || responseData?.accessToken;
+      const newToken = responseData.accessToken;
 
       if (!newToken) {
         return null;