diff --git a/packages/editor-app/src/App.tsx b/packages/editor-app/src/App.tsx
index bd771323..2369afaa 100644
--- a/packages/editor-app/src/App.tsx
+++ b/packages/editor-app/src/App.tsx
@@ -7,6 +7,7 @@ import { SceneHierarchy } from './components/SceneHierarchy';
 import { EntityInspector } from './components/EntityInspector';
 import { AssetBrowser } from './components/AssetBrowser';
 import { ConsolePanel } from './components/ConsolePanel';
+import { Viewport } from './components/Viewport';
 import { DockContainer, DockablePanel } from './components/DockContainer';
 import { TauriAPI } from './api/tauri';
 import { useLocale } from './hooks/useLocale';
@@ -189,12 +190,7 @@ function App() {
           id: 'viewport',
           title: locale === 'zh' ? '视口' : 'Viewport',
           position: 'center',
-          content: (
-            <div className="viewport">
-              <h3>{t('viewport.title')}</h3>
-              <p>{t('viewport.placeholder')}</p>
-            </div>
-          ),
+          content: <Viewport locale={locale} />,
           closable: false
         },
         {
diff --git a/packages/editor-app/src/components/DockContainer.tsx b/packages/editor-app/src/components/DockContainer.tsx
index 6efe627f..d1ec97cf 100644
--- a/packages/editor-app/src/components/DockContainer.tsx
+++ b/packages/editor-app/src/components/DockContainer.tsx
@@ -68,8 +68,8 @@ export function DockContainer({ panels, onPanelClose }: DockContainerProps) {
       <ResizablePanel
         direction="vertical"
         defaultSize={200}
-        minSize={100}
-        maxSize={400}
+        minSize={32}
+        maxSize={600}
         leftOrTop={content}
         rightOrBottom={
           <div className="dock-bottom">
@@ -85,8 +85,8 @@ export function DockContainer({ panels, onPanelClose }: DockContainerProps) {
       <ResizablePanel
         direction="vertical"
         defaultSize={200}
-        minSize={100}
-        maxSize={400}
+        minSize={32}
+        maxSize={600}
         leftOrTop={
           <div className="dock-top">
             {renderPanelGroup('top')}
diff --git a/packages/editor-app/src/components/Viewport.tsx b/packages/editor-app/src/components/Viewport.tsx
new file mode 100644
index 00000000..20657849
--- /dev/null
+++ b/packages/editor-app/src/components/Viewport.tsx
@@ -0,0 +1,243 @@
+import { useEffect, useRef, useState } from 'react';
+import { Play, Pause, RotateCcw, Maximize2, Grid3x3, Eye, EyeOff, Activity } from 'lucide-react';
+import '../styles/Viewport.css';
+
+interface ViewportProps {
+  locale?: string;
+}
+
+export function Viewport({ locale = 'en' }: ViewportProps) {
+  const canvasRef = useRef<HTMLCanvasElement>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [isPlaying, setIsPlaying] = useState(false);
+  const [showGrid, setShowGrid] = useState(true);
+  const [showGizmos, setShowGizmos] = useState(true);
+  const [showStats, setShowStats] = useState(false);
+  const animationFrameRef = useRef<number>();
+  const glRef = useRef<WebGLRenderingContext | null>(null);
+
+  useEffect(() => {
+    const canvas = canvasRef.current;
+    if (!canvas) return;
+
+    const gl = canvas.getContext('webgl2') || canvas.getContext('webgl');
+    if (!gl) {
+      console.error('WebGL not supported');
+      return;
+    }
+
+    glRef.current = gl;
+
+    const resizeCanvas = () => {
+      if (!canvas || !containerRef.current) return;
+      const container = containerRef.current;
+      const rect = container.getBoundingClientRect();
+
+      const dpr = window.devicePixelRatio || 1;
+      canvas.width = rect.width * dpr;
+      canvas.height = rect.height * dpr;
+      canvas.style.width = `${rect.width}px`;
+      canvas.style.height = `${rect.height}px`;
+
+      gl.viewport(0, 0, canvas.width, canvas.height);
+    };
+
+    resizeCanvas();
+    window.addEventListener('resize', resizeCanvas);
+
+    initWebGL(gl);
+
+    return () => {
+      window.removeEventListener('resize', resizeCanvas);
+      if (animationFrameRef.current) {
+        cancelAnimationFrame(animationFrameRef.current);
+      }
+    };
+  }, []);
+
+  useEffect(() => {
+    if (isPlaying) {
+      startRenderLoop();
+    } else {
+      if (animationFrameRef.current) {
+        cancelAnimationFrame(animationFrameRef.current);
+      }
+    }
+  }, [isPlaying]);
+
+  const initWebGL = (gl: WebGLRenderingContext) => {
+    gl.clearColor(0.1, 0.1, 0.12, 1.0);
+    gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+    gl.enable(gl.DEPTH_TEST);
+
+    renderFrame(gl, 0);
+  };
+
+  const startRenderLoop = () => {
+    let startTime = performance.now();
+
+    const render = (currentTime: number) => {
+      const elapsed = (currentTime - startTime) / 1000;
+
+      if (glRef.current) {
+        renderFrame(glRef.current, elapsed);
+      }
+
+      animationFrameRef.current = requestAnimationFrame(render);
+    };
+
+    animationFrameRef.current = requestAnimationFrame(render);
+  };
+
+  const renderFrame = (gl: WebGLRenderingContext, time: number) => {
+    gl.clearColor(0.1, 0.1, 0.12, 1.0);
+    gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+    if (showGrid) {
+      drawGrid(gl);
+    }
+  };
+
+  const drawGrid = (gl: WebGLRenderingContext) => {
+    const vertexShaderSource = `
+      attribute vec3 position;
+      uniform mat4 projection;
+      uniform mat4 view;
+      void main() {
+        gl_Position = projection * view * vec4(position, 1.0);
+      }
+    `;
+
+    const fragmentShaderSource = `
+      precision mediump float;
+      uniform vec4 color;
+      void main() {
+        gl_FragColor = color;
+      }
+    `;
+
+    const vertexShader = gl.createShader(gl.VERTEX_SHADER)!;
+    gl.shaderSource(vertexShader, vertexShaderSource);
+    gl.compileShader(vertexShader);
+
+    const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER)!;
+    gl.shaderSource(fragmentShader, fragmentShaderSource);
+    gl.compileShader(fragmentShader);
+
+    const program = gl.createProgram()!;
+    gl.attachShader(program, vertexShader);
+    gl.attachShader(program, fragmentShader);
+    gl.linkProgram(program);
+    gl.useProgram(program);
+
+    const gridSize = 10;
+    const gridStep = 1;
+    const vertices: number[] = [];
+
+    for (let i = -gridSize; i <= gridSize; i += gridStep) {
+      vertices.push(i, 0, -gridSize, i, 0, gridSize);
+      vertices.push(-gridSize, 0, i, gridSize, 0, i);
+    }
+
+    const buffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+
+    const positionLocation = gl.getAttribLocation(program, 'position');
+    gl.enableVertexAttribArray(positionLocation);
+    gl.vertexAttribPointer(positionLocation, 3, gl.FLOAT, false, 0, 0);
+
+    const colorLocation = gl.getUniformLocation(program, 'color');
+    gl.uniform4f(colorLocation, 0.3, 0.3, 0.35, 1.0);
+
+    gl.drawArrays(gl.LINES, 0, vertices.length / 3);
+  };
+
+  const handlePlayPause = () => {
+    setIsPlaying(!isPlaying);
+  };
+
+  const handleReset = () => {
+    setIsPlaying(false);
+    if (glRef.current) {
+      renderFrame(glRef.current, 0);
+    }
+  };
+
+  const handleFullscreen = () => {
+    if (containerRef.current) {
+      if (document.fullscreenElement) {
+        document.exitFullscreen();
+      } else {
+        containerRef.current.requestFullscreen();
+      }
+    }
+  };
+
+  return (
+    <div className="viewport" ref={containerRef}>
+      <div className="viewport-toolbar">
+        <div className="viewport-toolbar-left">
+          <button
+            className={`viewport-btn ${isPlaying ? 'active' : ''}`}
+            onClick={handlePlayPause}
+            title={isPlaying ? (locale === 'zh' ? '暂停' : 'Pause') : (locale === 'zh' ? '播放' : 'Play')}
+          >
+            {isPlaying ? <Pause size={16} /> : <Play size={16} />}
+          </button>
+          <button
+            className="viewport-btn"
+            onClick={handleReset}
+            title={locale === 'zh' ? '重置' : 'Reset'}
+          >
+            <RotateCcw size={16} />
+          </button>
+          <div className="viewport-divider" />
+          <button
+            className={`viewport-btn ${showGrid ? 'active' : ''}`}
+            onClick={() => setShowGrid(!showGrid)}
+            title={locale === 'zh' ? '显示网格' : 'Show Grid'}
+          >
+            <Grid3x3 size={16} />
+          </button>
+          <button
+            className={`viewport-btn ${showGizmos ? 'active' : ''}`}
+            onClick={() => setShowGizmos(!showGizmos)}
+            title={locale === 'zh' ? '显示辅助工具' : 'Show Gizmos'}
+          >
+            {showGizmos ? <Eye size={16} /> : <EyeOff size={16} />}
+          </button>
+        </div>
+        <div className="viewport-toolbar-right">
+          <button
+            className={`viewport-btn ${showStats ? 'active' : ''}`}
+            onClick={() => setShowStats(!showStats)}
+            title={locale === 'zh' ? '显示统计信息' : 'Show Stats'}
+          >
+            <Activity size={16} />
+          </button>
+          <button
+            className="viewport-btn"
+            onClick={handleFullscreen}
+            title={locale === 'zh' ? '全屏' : 'Fullscreen'}
+          >
+            <Maximize2 size={16} />
+          </button>
+        </div>
+      </div>
+      <canvas ref={canvasRef} className="viewport-canvas" />
+      {showStats && (
+        <div className="viewport-stats">
+          <div className="viewport-stat">
+            <span className="viewport-stat-label">FPS:</span>
+            <span className="viewport-stat-value">60</span>
+          </div>
+          <div className="viewport-stat">
+            <span className="viewport-stat-label">Draw Calls:</span>
+            <span className="viewport-stat-value">0</span>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/packages/editor-app/src/styles/Viewport.css b/packages/editor-app/src/styles/Viewport.css
new file mode 100644
index 00000000..a49ad962
--- /dev/null
+++ b/packages/editor-app/src/styles/Viewport.css
@@ -0,0 +1,146 @@
+.viewport {
+  position: relative;
+  width: 100%;
+  height: 100%;
+  background: #1a1a1f;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.viewport-toolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 6px 8px;
+  background: var(--color-bg-elevated);
+  border-bottom: 1px solid var(--color-border-default);
+  flex-shrink: 0;
+  gap: 8px;
+  z-index: 10;
+}
+
+.viewport-toolbar-left {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.viewport-toolbar-right {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.viewport-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  height: 32px;
+  background: transparent;
+  border: 1px solid transparent;
+  border-radius: var(--radius-sm);
+  color: var(--color-text-secondary);
+  cursor: pointer;
+  transition: all var(--transition-fast);
+  padding: 0;
+}
+
+.viewport-btn:hover {
+  background: var(--color-bg-hover);
+  color: var(--color-text-primary);
+  border-color: var(--color-border-hover);
+}
+
+.viewport-btn.active {
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+  border-color: var(--color-primary);
+}
+
+.viewport-btn:active {
+  transform: scale(0.95);
+}
+
+.viewport-divider {
+  width: 1px;
+  height: 24px;
+  background: var(--color-border-default);
+  margin: 0 4px;
+}
+
+.viewport-canvas {
+  flex: 1;
+  width: 100%;
+  height: 100%;
+  display: block;
+  cursor: crosshair;
+  background: #1a1a1f;
+}
+
+.viewport-stats {
+  position: absolute;
+  bottom: 12px;
+  right: 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  background: rgba(0, 0, 0, 0.8);
+  backdrop-filter: blur(8px);
+  border: 1px solid var(--color-border-subtle);
+  border-radius: var(--radius-sm);
+  padding: 8px 12px;
+  font-family: var(--font-family-mono);
+  font-size: 11px;
+  pointer-events: none;
+  z-index: 5;
+  animation: fadeIn 0.2s ease-out;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(4px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.viewport-stat {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  white-space: nowrap;
+}
+
+.viewport-stat-label {
+  color: var(--color-text-secondary);
+  font-weight: 500;
+}
+
+.viewport-stat-value {
+  color: var(--color-primary);
+  font-weight: 600;
+  font-variant-numeric: tabular-nums;
+}
+
+.viewport:fullscreen {
+  background: #000;
+}
+
+.viewport:fullscreen .viewport-canvas {
+  background: #000;
+}
+
+.viewport-canvas:focus {
+  outline: none;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .viewport-btn {
+    transition: none;
+  }
+}