got working toggle tabs! I don't like HeadlessUI's Tabs, they don't appear to support programmatic opening

app/web/src/components/IdeHeader/IdeHeader.tsx

@@ -65,8 +65,13 @@ const IdeHeader = ({
 
   return (
     <div className="h-16 w-full bg-ch-gray-900 flex justify-between items-center text-lg">
-      {_projectId ? (
-        <div className="h-full text-gray-300 flex items-center">
+      <div className="h-full text-gray-300 flex items-center">
+        <div className="w-14 h-16 flex items-center justify-center bg-ch-gray-900">
+          <Link to={routes.home()}>
+            <Svg className="w-12 p-0.5" name="favicon" />
+          </Link>
+        </div>
+        {_projectId && <>
           <span className="bg-ch-gray-700 h-full grid grid-flow-col-dense items-center gap-2 px-4">
             <Gravatar
               image={project?.user?.image || projectOwnerImage}
@@ -87,10 +92,8 @@ const IdeHeader = ({
             canEdit={canEdit}
             shouldRouteToIde={!projectTitle}
           />
-        </div>
-      ) : (
-        <div />
-      )}
+        </>}
+      </div>
       <div className="text-gray-200 grid grid-flow-col-dense gap-4 mr-4 items-center">
         {canEdit && !projectTitle && (
           <CaptureButton

app/web/src/components/IdeSideBar/IdeSideBar.tsx

@@ -1,7 +1,7 @@
+import { ReactNode, useState } from 'react'
 import { Link, routes } from '@redwoodjs/router'
 import { Tab } from '@headlessui/react'
 import Svg, { SvgNames } from 'src/components/Svg/Svg'
-import { ReactNode } from 'react'
 
 interface SidebarConfigType {
   name: string,
@@ -15,13 +15,13 @@ const sidebarTopConfig : SidebarConfigType[] = [
     name: 'Files',
     icon: 'files',
     disabled: false,
-    panel: () => { <h2>Some Files!</h2> },
+    panel: <h2>Some Files!</h2>,
   },
   {
     name: 'GitHub',
     icon: 'github',
     disabled: false,
-    panel: () => { <h2>Le GitHub Integration™️</h2> },
+    panel: <h2>Le GitHub Integration™️</h2>,
   },
   {
     name: 'Visibility',
@@ -40,42 +40,74 @@ const sidebarBottomConfig : SidebarConfigType[] = [
   },
 ]
 
-const IdeSideBar = () => {
+const combinedConfig = [
+  ...sidebarTopConfig,
+  ...sidebarBottomConfig,
+]
+
+function TabToggle({ item, className = "", active, onChange, onClick }) {
   return (
-    <div className="h-full flex flex-col justify-between">
-      <div className="w-14 h-16 flex items-center justify-center bg-ch-gray-900">
-        <Link to={routes.home()}>
-          <Svg className="w-12 p-0.5" name="favicon" />
-        </Link>
-      </div>
-      <Tab.Group vertical>
-        <Tab.List className="h-full flex flex-col justify-between">
-          <div>
-          { sidebarTopConfig.map(topItem => (
-            <Tab disabled={topItem.disabled}
-              key={'tab-'+topItem.name}
-              className="text-gray-300 p-3 pb-6 flex justify-center">
-              <Svg name={topItem.icon} className="w-8 mx-auto"/>
-            </Tab>
+  <label
+    key={'tab-'+item.name}
+    className={`tabToggle${item.disabled ? ' disabled' : ''}${active ? ' active' : ''} ${className}`}>
+    <input name="sidebar-tabs"
+      type="radio"
+      disabled={item.disabled}
+      value={ item.name }
+      onChange={ onChange }
+      onClick={ onClick }
+      className="visually-hidden"
+    />
+    <Svg name={item.icon} className="w-8 mx-auto"/>
+  </label>
+  )
+}
+
+const IdeSideBar = () => {
+  const [selectedTab, setSelectedTab] = useState("")
+  const [lastOpen, setLastOpen] = useState("")
+
+  function onTabClick(name) {
+    return function() {
+      if (selectedTab === name) {
+        setLastOpen(selectedTab)
+        setSelectedTab("")
+      } else if (selectedTab === "" && lastOpen === name) {
+        setSelectedTab(name)
+      }
+    }
+  }
+
+  return (
+    <section className="flex h-full bg-ch-gray-700">
+      <fieldset className="h-full flex flex-col justify-between border-r-2 border-ch-gray-900">
+        <div>
+          { sidebarTopConfig.map((topItem, i) => (
+            <TabToggle
+              item={topItem}
+              active={ selectedTab === topItem.name }
+              onChange={ () => setSelectedTab(topItem.name) }
+              onClick={ onTabClick(topItem.name) }
+            />
           ))}
-          </div>
-          <div>
-          { sidebarBottomConfig.map(bottomItem => (
-            <Tab disabled={bottomItem.disabled}
-              key={'tab-'+bottomItem.name}
-              className="text-gray-300 p-3 pb-6 flex justify-center">
-              <Svg name={bottomItem.icon} className="w-8 mx-auto" />
-            </Tab>
+        </div>
+        <div>
+          { sidebarBottomConfig.map((bottomItem, i) => (
+            <TabToggle
+            item={bottomItem}
+            active={ selectedTab === bottomItem.name }
+            onChange={ () => setSelectedTab(bottomItem.name) }
+            onClick={ onTabClick(bottomItem.name) }
+          />
           ))}
-          </div>
-        </Tab.List>
-        <Tab.Panels>
-          { ([...sidebarTopConfig, ...sidebarBottomConfig]).map(item => item.panel && (
-            <Tab.Panel key={'panel-'+item.name}>{ item.panel }</Tab.Panel>
-          )) }
-        </Tab.Panels>
-      </Tab.Group>
-    </div>
+        </div>
+      </fieldset>
+      { combinedConfig.find(item => item.name === selectedTab)?.panel && (
+        <div className="w-56 h-full bg-ch-gray-700 py-4 px-2 text-ch-gray-300 border-t-2 border-ch-gray-900">
+          { combinedConfig.find(item => item.name === selectedTab).panel }
+        </div>
+      ) }
+    </section>
   )
 }
 

app/web/src/components/IdeWrapper/IdeWrapper.tsx

@@ -24,15 +24,17 @@ const IdeWrapper = ({ cadPackage }: Props) => {
   useIdeInit(cadPackage, project?.code || state?.code)
 
   return (
-    <div className="h-full flex">
-      <div className="w-14 bg-ch-gray-700 flex-shrink-0">
-        <IdeSideBar />
-      </div>
-      <div className="h-full flex flex-grow flex-col">
-        <nav className="flex">
+    <div className="h-full flex flex-col">
+      <nav className="flex">
           <IdeHeader handleRender={onRender} />
-        </nav>
-        <IdeContainer />
+      </nav>
+      <div className="h-full flex flex-grow bg-ch-gray-900">
+        <div className="flex-shrink-0">
+          <IdeSideBar />
+        </div>
+        <div className="h-full flex flex-grow">
+          <IdeContainer />
+        </div>
       </div>
     </div>
   )

app/web/src/index.css

@@ -17,6 +17,29 @@
   body {
     font-family: 'Fira Sans', ui-sans-serif, system-ui, -apple-system, system-ui, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
   }
+
+  /* https://www.a11yproject.com/posts/2013-01-11-how-to-hide-content/ */
+  .visually-hidden {
+    clip: rect(0 0 0 0);
+    clip-path: inset(50%);
+    height: 1px;
+    overflow: hidden;
+    position: absolute;
+    white-space: nowrap;
+    width: 1px;
+  }
+}
+
+@layer components {
+  .tabToggle {
+    @apply text-ch-gray-300 p-3 mb-3 flex justify-center;
+  }
+  .tabToggle.active {
+    @apply bg-ch-pink-800 text-ch-pink-300 bg-opacity-30;
+  }
+  .tabToggle.disabled {
+    @apply text-ch-gray-550 cursor-not-allowed;
+  }
 }