feat: Add body and article font selection settings

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

webclient/src/App.js

@@ -23,6 +23,8 @@ function App() {
 	const [settingsOpen, setSettingsOpen] = useState(false);
 	const defaultBodyFontSize = 1.0;
 	const [bodyFontSize, setBodyFontSize] = useState(Number(localStorage.getItem('bodyFontSize')) || defaultBodyFontSize);
+	const [bodyFont, setBodyFont] = useState(localStorage.getItem('bodyFont') || 'Sans Serif');
+	const [articleFont, setArticleFont] = useState(localStorage.getItem('articleFont') || 'Apparatus SIL');
 
 	const updateCache = useCallback((key, value) => {
 		cache.current[key] = value;
@@ -48,6 +50,16 @@ function App() {
 		localStorage.setItem('theme', 'red');
 	};
 
+	const changeBodyFont = (font) => {
+		setBodyFont(font);
+		localStorage.setItem('bodyFont', font);
+	};
+
+	const changeArticleFont = (font) => {
+		setArticleFont(font);
+		localStorage.setItem('articleFont', font);
+	};
+
 	const changeBodyFontSize = (amount) => {
 		const newSize = bodyFontSize + amount;
 		setBodyFontSize(parseFloat(newSize.toFixed(2)));
@@ -112,6 +124,27 @@ function App() {
 		document.documentElement.style.fontSize = `${bodyFontSize}rem`;
 	}, [bodyFontSize]);
 
+	const fontMap = {
+		'Sans Serif': 'sans-serif',
+		'Serif': 'serif',
+		'Apparatus SIL': "'Apparatus SIL', sans-serif"
+	};
+
+	useEffect(() => {
+		document.body.style.fontFamily = fontMap[bodyFont];
+	}, [bodyFont]);
+
+	useEffect(() => {
+		const styleId = 'article-font-family-style';
+		let style = document.getElementById(styleId);
+		if (!style) {
+			style = document.createElement('style');
+			style.id = styleId;
+			document.head.appendChild(style);
+		}
+		style.innerHTML = `.story-text { font-family: ${fontMap[articleFont]} !important; }`;
+	}, [articleFont]);
+
 
 	const fullScreenAvailable = document.fullscreenEnabled ||
 		document.mozFullscreenEnabled ||
@@ -138,6 +171,36 @@ function App() {
 							<button onClick={() => changeBodyFontSize(0.05)}>+</button>
 							<button onClick={resetBodyFontSize} disabled={!bodyFontSettingsChanged}>Reset</button>
 						</div>
+						<div className="setting-group">
+							<h4>Body Font</h4>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="body-sans-serif" name="body-font" value="Sans Serif" checked={bodyFont === 'Sans Serif'} onChange={() => changeBodyFont('Sans Serif')} />
+								<label htmlFor="body-sans-serif">Sans Serif *</label>
+							</div>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="body-serif" name="body-font" value="Serif" checked={bodyFont === 'Serif'} onChange={() => changeBodyFont('Serif')} />
+								<label htmlFor="body-serif">Serif</label>
+							</div>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="body-apparatus" name="body-font" value="Apparatus SIL" checked={bodyFont === 'Apparatus SIL'} onChange={() => changeBodyFont('Apparatus SIL')} />
+								<label htmlFor="body-apparatus">Apparatus SIL</label>
+							</div>
+						</div>
+						<div className="setting-group">
+							<h4>Article Font</h4>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="article-sans-serif" name="article-font" value="Sans Serif" checked={articleFont === 'Sans Serif'} onChange={() => changeArticleFont('Sans Serif')} />
+								<label htmlFor="article-sans-serif">Sans Serif</label>
+							</div>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="article-serif" name="article-font" value="Serif" checked={articleFont === 'Serif'} onChange={() => changeArticleFont('Serif')} />
+								<label htmlFor="article-serif">Serif</label>
+							</div>
+							<div className="font-option">
+								<input className="checkbox" type="radio" id="article-apparatus" name="article-font" value="Apparatus SIL" checked={articleFont === 'Apparatus SIL'} onChange={() => changeArticleFont('Apparatus SIL')} />
+								<label htmlFor="article-apparatus">Apparatus SIL *</label>
+							</div>
+						</div>
 					</div>
 				</div>
 			}

webclient/src/Style-light.css

@@ -1,6 +1,7 @@
 body {
 	text-rendering: optimizeLegibility;
-	font: 1rem/1.3 sans-serif;
+	font-size: 1rem;
+	line-height: 1.3;
 	color: #000000;
 	word-break: break-word;
 	font-kerning: normal;
@@ -198,7 +199,8 @@ span.source {
 }
 
 .story-text {
-	font: 1.2rem/1.5 'Apparatus SIL', sans-serif;
+	font-size: 1.2rem;
+	line-height: 1.5;
 	margin-top: 1em;
 }
 
@@ -478,3 +480,7 @@ button.comment {
 	text-align: center;
 	margin: 0 0.25rem;
 }
+
+.modal-content .font-option {
+	margin-bottom: 0.25rem;
+}