fix: initial commit

js/components/site-content.js

@@ -0,0 +1,35 @@
+/**
+ * Site Content Component
+ * Main content area wrapper with slot for page content
+ */
+class SiteContent extends HTMLElement {
+  constructor() {
+    super();
+    this.attachShadow({ mode: 'open' });
+  }
+
+  connectedCallback() {
+    this.render();
+  }
+
+  render() {
+    this.shadowRoot.innerHTML = `
+      <style>
+        :host {
+          display: block;
+          flex: 1;
+          min-height: 0;
+        }
+
+        .content {
+          padding: var(--spacing-md, 1rem);
+        }
+      </style>
+      <main class="content">
+        <slot></slot>
+      </main>
+    `;
+  }
+}
+
+customElements.define('site-content', SiteContent);