diff --git a/web/src/app.html b/web/src/app.html
index 9c66b7d..55893c3 100644
--- a/web/src/app.html
+++ b/web/src/app.html
@@ -4,6 +4,11 @@
 		<meta charset="utf-8" />
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
 		<meta name="text-scale" content="scale" />
+		<!-- SVG favicon adapts to light/dark via `prefers-color-scheme`
+		     inside the file itself; PNG remains as a fallback for browsers
+		     that don't support SVG icons. Apple touch icon stays PNG
+		     since iOS home-screen icons can't be SVG. -->
+		<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
 		<link rel="icon" type="image/png" href="/favicon.png" />
 		<link rel="apple-touch-icon" href="/favicon.png" />
 		%sveltekit.head%
diff --git a/web/static/favicon.svg b/web/static/favicon.svg
new file mode 100644
index 0000000..01bf647
--- /dev/null
+++ b/web/static/favicon.svg
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 73 100">
+	<style>
+		path { fill: #0f172a; }
+		@media (prefers-color-scheme: dark) {
+			path { fill: #f8fafc; }
+		}
+	</style>
+	<path d="m45.268 55.124q-13.062 14-22.732 14-6.206 0-11.546-4.7629v3.8248q0 6.6391 2.0193 13.351 2.3093 7.4328 2.3093 9.8145 0 3.3195-2.0925 5.4846-2.0924 2.165-5.1956 2.165-3.1753 0-5.0515-2.5257-1.8753-2.5257-1.8753-6.0618 0-2.598 1.8753-9.3814 2.1657-7.5053 2.1657-14.577v-65.452h11.907v42.792q0 6.495 1.0817 9.5259 1.1549 3.031 3.9692 4.9795 2.8867 1.8764 6.495 1.8764 6.4225 0 16.67-8.8042v-50.371h11.979v50.153q0 6.3504 1.299 8.8042 1.2989 2.3815 4.4023 2.3815 4.907 0 6.3504-9.5979h2.5979q-1.3721 16.381-13.856 16.381-5.4122 0-9.0207-3.6082-3.536-3.6804-3.7525-10.392z"/>
+</svg>