Implement layout UI.

packages/builder/src/userInterface/CodeEditor.svelte

@@ -47,7 +47,7 @@
 <style>
   h3 {
     text-transform: uppercase;
-    font-size: 10px;
+    font-size: 12px;
     font-weight: 700;
     color: #8997ab;
     margin-bottom: 10px;

packages/builder/src/userInterface/ComponentPanel.svelte

@@ -14,6 +14,7 @@ import {
 // import ButtonGroup from "../common/ButtonGroup.svelte";
 import { LayoutIcon, PaintIcon, TerminalIcon } from '../common/Icons/';
 import CodeEditor from './CodeEditor.svelte';
+import LayoutEditor from './LayoutEditor.svelte';
 
 import {
     cloneDeep,
@@ -169,7 +170,7 @@ let current_view = 'props';
                   {componentInfo}
                   {onPropsChanged} />
       {:else if current_view === 'layout'}
-        <p>Layout</p>
+        <LayoutEditor />
       {:else}
         <CodeEditor />
       {/if}

packages/builder/src/userInterface/LayoutEditor.svelte

@@ -0,0 +1,161 @@
+<script></script>
+
+
+<h3>Layout</h3>
+
+<h4>Positioning</h4>
+
+<div class="layout-pos">
+  <div class="grid">
+    <h5>Grid Area:</h5>
+    <div class="inputs small">
+      <input type="number" placeholder="T"/>
+      <input type="number" placeholder="R"/>
+      <input type="number" placeholder="B"/>
+      <input type="number" placeholder="L"/>
+    </div>
+  </div>
+
+  <div class="grid">
+    <h5>Column:</h5>
+    <div class="inputs">
+      <input type="number" placeholder="START"/>
+      <input type="number" placeholder="END"/>
+    </div>
+  </div>
+
+  <div class="grid">
+    <h5>Row:</h5>
+    <div class="inputs">
+      <input type="number" placeholder="START"/>
+      <input type="number" placeholder="END"/>
+    </div>
+  </div>
+
+  <div class="grid">
+    <h5>Gap:</h5>
+    <div class="inputs">
+      <input type="number"/>
+    </div>
+  </div>
+</div>
+
+<h4>Spacing</h4>
+
+<div class="layout-spacing">
+  <div class="grid">
+    <h5>Margin:</h5>
+    <div class="inputs small">
+      <input type="number" placeholder="T"/>
+      <input type="number" placeholder="R"/>
+      <input type="number" placeholder="B"/>
+      <input type="number" placeholder="L"/>
+    </div>
+  </div>
+
+  <div  class="grid">
+    <h5>Padding:</h5>
+    <div class="inputs small">
+      <input type="number" placeholder="T"/>
+      <input type="number" placeholder="R"/>
+      <input type="number" placeholder="B"/>
+      <input type="number" placeholder="L"/>
+    </div>
+  </div>
+</div>
+
+<h4>Z-Index</h4>
+
+<div class="layout-layer">
+  <div class="grid">
+    <h5>Z-Index:</h5>
+    <div class="inputs">
+      <input type="text">
+    </div>
+  </div>
+</div>
+
+<style>
+  h3 {
+    text-transform: uppercase;
+    font-size: 12px;
+    font-weight: 700;
+    color: #8997ab;
+    margin-bottom: 10px;
+  }
+
+  h4 {
+    text-transform: uppercase;
+    font-size: 10px;
+    font-weight: 700;
+    color: #163057;
+    opacity: 0.3;
+    margin-bottom: 15px;
+  }
+
+  h5 {
+    font-size: 12px;
+    font-weight: 700;
+    color: #163057;
+    opacity: 0.6;
+    padding-top: 12px;
+  }
+
+  div > div {
+    display: grid;
+    grid-template-rows: 1fr;
+    grid-gap: 10px;
+    height: 40px;
+    margin-bottom: 15px;
+  }
+
+  .grid {
+    grid-template-columns: 70px 1fr;
+  }
+
+  .inputs {
+    display: flex;
+    justify-content: space-between;
+
+  }
+
+  input {
+    width: 83px;
+    font-size: 12px;
+    font-weight: 700;
+    color: #163057;
+    opacity: 0.7;
+    padding: 5px 10px;
+    box-sizing: border-box;
+
+    /* margin: 0; */
+  }
+
+  input[type=number]::-webkit-inner-spin-button,
+  input[type=number]::-webkit-outer-spin-button {
+    -webkit-appearance: none;
+    -moz-appearance: none;
+    appearance: none;
+    margin: 0;
+}
+
+  .small > input {
+    width: 38px;
+    height: 38px;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    text-align: center;
+    padding: 0;
+  }
+
+  .small > input::placeholder {
+    text-align: center;
+  }
+
+  input, input {
+    border: 1px solid #DBDBDB;
+    border-radius: 2px;
+    outline: none;
+  }
+</style>