Create static/css/styles.css

static/css/styles.css

@@ -0,0 +1,34 @@
+/* static/css/styles.css */
+body {
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 0;
+    background: #f5f5f5;
+}
+
+header {
+    background: #333;
+    color: #fff;
+    padding: 10px;
+    text-align: center;
+}
+
+.container {
+    padding: 20px;
+}
+
+#three-canvas {
+    width: 100%;
+    height: 300px;
+    background: #000;
+    margin-bottom: 20px;
+}
+
+input[type="text"], button {
+    padding: 10px;
+    font-size: 1em;
+}
+
+button {
+    cursor: pointer;
+}