Shuffle UI layout; Minor code organization

studio-frontend/src/app/app.element.scss

@@ -4,19 +4,26 @@
 	pointer-events: none;
 }
 
-.btn-help {
+// Layout utilities
+.v-start {
 	position: absolute;
 	top: 16px;
-	right: 16px;
+}
+.v-after-toolbar {
+	position: absolute;
+	top: 60px;
+}
+.h-start { left: 16px }
+.h-end  { right: 16px }
+.h-center {
+	left: 50%;
+	transform: translateX(-50%);
 }
 
+// Toolbar stuff (TODO: Move this)
 .toolbar {
 	display: flex;
 	gap: 16px;
-	position: absolute;
-	top: 16px;
-	left: 50%;
-	transform: translateX(-50%);
 }
 
 .toolbar-group {
@@ -91,16 +98,8 @@
 	}
 }
 
-.help {
-	position: absolute;
-	top: 60px;
-	right: 16px;
-}
-
+// Hierarchy (TODO: Probably move this)
 .hierarchy {
-	position: absolute;
-	top: 16px;
-	left: 16px;
 	overflow: auto;
 
 	box-sizing: border-box;

studio-frontend/src/app/app.element.ts

@@ -12,7 +12,6 @@ import {
 import { match } from "@storyteller/utility";
 import { LitElement, html, unsafeCSS } from "lit";
 import { customElement, state } from "lit/decorators.js";
-import { classMap } from "lit/directives/class-map.js";
 
 import "./button.element";
 import "./help.element";
@@ -188,8 +187,17 @@ export class AppElement extends LitElement {
 	}
 
 	protected override render = () => html`
+		<div class="toolbar v-start h-start">
+			<sts-button class="btn-help"
+				icon="circle-info"
+				@click=${this.toggleHelp}
+			>
+				Help
+			</sts-button>
+		</div>
+
 		<!-- TODO: What's a "component"? -->
-		<div class="toolbar" role="toolbar">
+		<div class="toolbar v-start h-center" role="toolbar">
 			<div class="toolbar-group" role="group">
 				<label class="btn-toggle">
 					<sts-icon icon="cube">Local</sts-icon>
@@ -240,7 +248,7 @@ export class AppElement extends LitElement {
 			</div>
 		</div>
 
-		<div class="hierarchy">
+		<div class="hierarchy v-start h-end">
 			${this.sceneObjects.map(obj => html`
 				<sts-tree class="scene-object"
 					id=${obj.id}
@@ -250,15 +258,8 @@ export class AppElement extends LitElement {
 			`)}
 		</div>
 
-		<sts-button class="btn-help"
-			icon="circle-info"
-			@click=${this.toggleHelp}
-		>
-			Help
-		</sts-button>
-
 		${this.showHelp ? html`
-			<sts-help class="help"></sts-help>
+			<sts-help class="help v-after-toolbar h-start"></sts-help>
 		` : null}
 	`;
 }