Style the colour picker

src/_includes/base.njk

@@ -34,15 +34,7 @@
 					<li><a href="/links">Links</a></li>
 				</ul>
 			</nav>
-			<color-scheme-toggle></color-scheme-toggle>
-		</header>
-		{{ content | safe }}
-		<footer>
-			<div class="wrapper-lg">Copyright &copy; {{ today.year }} {{ metadata.author.name }}</div>
-		</footer>
-
-		<template id="color-scheme-toggle">
-			<fieldset>
+			<fieldset class="color-scheme">
 				<legend>Change your colour scheme</legend>
 				<label>
 					<input type="radio" name="color-scheme" value="dark" />
@@ -53,55 +45,50 @@
 					Light
 				</label>
 			</fieldset>
-		</template>
+		</header>
+		{{ content | safe }}
+		<footer>
+			<div class="wrapper-lg">Copyright &copy; {{ today.year }} {{ metadata.author.name }}</div>
+		</footer>
+
+		
 		<script type="text/javascript">
-			window.customElements.define("color-scheme-toggle", class extends HTMLElement {
-				constructor() {
-					super();
-
-					const template = document.getElementById("color-scheme-toggle");
-					const templateNode = template.content.cloneNode(true);
-
-					this.appendChild(templateNode);
+			const defaultColourScheme = () => {
+				if (localStorage.getItem('color-scheme')) {
+					return localStorage.getItem('color-scheme');
 				}
 
-				getColourScheme = () => {
-					const colourScheme = localStorage.getItem('color-scheme');
-
-					if (colourScheme) {
-						return colourScheme;
-					}
-
-					if (window.matchMedia('(prefers-color-scheme: dark)')?.matches) {
-						return "dark";
-					}
-
-					return "light";
+				if (window.matchMedia('(prefers-color-scheme: dark)')?.matches) {
+					return "dark";
 				}
 
-				onColourSchemeChange = (e) => {
-					localStorage.setItem('color-scheme', e.target.value);
-					this.updateComponents();
-				}
+				return "light";
+			};
 
-				updateComponents = () => {
-					this.querySelectorAll('[name="color-scheme"]').forEach(radio => {
-						radio.checked = this.getColourScheme() === radio.value;
+			const data = new Proxy({
+				'color-scheme': defaultColourScheme(),
+			}, {
+				set: (obj, key, value) => {
+					obj[key] = value;
+					localStorage.setItem(key, value);
+					document.querySelectorAll(`[type="radio"][name="${key}"]`).forEach(radio => {
+						radio.checked = radio.value === value;
 					});
+					document.body.setAttribute(`data-${key}`, value);
 
-					if (localStorage.getItem('color-scheme')) {
-						document.body.setAttribute('data-color-scheme', this.getColourScheme());
-					}
-				}
-
-				connectedCallback() {
-					this.querySelectorAll('[name="color-scheme"]').forEach(radio => {
-						radio.addEventListener('change', this.onColourSchemeChange);
-					});
-
-					this.updateComponents();
+					return true;
 				}
 			});
+
+			const onRadioChange = e => {
+				data[e.target.name] = e.target.value;
+			}
+
+			document.querySelectorAll('[name="color-scheme"]').forEach(radio => {
+				radio.addEventListener('change', onRadioChange);
+				radio.checked = data[radio.name] == radio.value;
+			});
+			document.body.setAttribute(`data-color-scheme`, data['color-scheme']);
 		</script>
 	</body>
 </html>

src/css/exceptions/color-scheme-picker.css

@@ -0,0 +1,42 @@
+.color-scheme {
+	border: 0;
+	display: flex;
+	gap: var(--space-size-xs);
+
+	legend {
+		position:absolute;
+		clip:rect(0 0 0 0);
+	}
+
+	input[name="color-scheme"] {
+		position:absolute;
+		clip:rect(0 0 0 0);
+	}
+
+	label:has(:not(:checked)) {
+		color: var(--color-subtle);
+	}
+
+	label:has(:focus-visible) {
+		outline: 1px solid var(--color-primary);
+		outline-offset: 2px;
+	}
+
+	label:has([name="color-scheme"])::before {
+		font-family: "font awesome 6 free";
+        font-style: normal;
+        font-variant: normal;
+        text-rendering: auto;
+        font-weight: 900;
+        -webkit-font-smoothing: antialiased;
+        font-size: var(--text-size-s);
+	}
+
+	label:has([name="color-scheme"][value="dark"])::before {
+		content: "\f186";
+	}
+
+	label:has([name="color-scheme"][value="light"])::before {
+		content: "\f185";
+	}
+}