diff --git a/webapp/src/components/app-shell.ts b/webapp/src/components/app-shell.ts
index aab75f8..84f747d 100644
--- a/webapp/src/components/app-shell.ts
+++ b/webapp/src/components/app-shell.ts
@@ -7,7 +7,7 @@ export class AppShell extends HTMLElement {
   connectedCallback(): void {
     this.innerHTML = `
       <nav>
-        <a href="/days" id="nav-days">Tage</a>
+        <a href="/days" id="nav-days">Pamietnik</a>
         <button id="nav-logout">Abmelden</button>
       </nav>
       <main id="outlet"></main>
diff --git a/webapp/src/style.css b/webapp/src/style.css
index 72a211d..e62e842 100644
--- a/webapp/src/style.css
+++ b/webapp/src/style.css
@@ -1,17 +1,210 @@
+/* System fonts only — no external dependencies, no license issues */
+
+:root {
+  --font-mono: 'Courier New', Courier, monospace;
+  --font-serif: Georgia, 'Times New Roman', serif;
+  --color-ink: #1a1a1a;
+  --color-muted: #666;
+  --color-rule: #ddd;
+  --color-bg: #fafaf8;
+  --column: 680px;
+}
+
 *, *::before, *::after {
   box-sizing: border-box;
   margin: 0;
   padding: 0;
 }
 
-html, body {
-  height: 100%;
-  font-family: system-ui, sans-serif;
-  font-size: 16px;
-  color: #1a1a1a;
-  background: #f5f5f5;
+html {
+  font-size: 18px;
+  background: var(--color-bg);
+  color: var(--color-ink);
+}
+
+body {
+  font-family: var(--font-serif);
+  line-height: 1.7;
+  min-height: 100vh;
 }
 
 #app {
-  height: 100%;
+  min-height: 100vh;
+}
+
+/* --- Navigation --- */
+
+nav {
+  border-bottom: 1px solid var(--color-rule);
+  padding: 0.75rem 1.5rem;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+nav a {
+  color: var(--color-ink);
+  text-decoration: none;
+}
+
+nav a:hover {
+  text-decoration: underline;
+}
+
+nav button {
+  background: none;
+  border: none;
+  cursor: pointer;
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--color-muted);
+  padding: 0;
+}
+
+nav button:hover {
+  color: var(--color-ink);
+}
+
+/* --- Main content column --- */
+
+main {
+  max-width: var(--column);
+  margin: 0 auto;
+  padding: 3rem 1.5rem;
+}
+
+/* --- Typography --- */
+
+h1 {
+  font-family: var(--font-mono);
+  font-size: 1rem;
+  font-weight: normal;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--color-muted);
+  margin-bottom: 2rem;
+  padding-bottom: 0.75rem;
+  border-bottom: 1px solid var(--color-rule);
+}
+
+h2 {
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  font-weight: normal;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  color: var(--color-muted);
+  margin: 2.5rem 0 1rem;
+}
+
+p {
+  margin-bottom: 1rem;
+  color: var(--color-muted);
+  font-family: var(--font-mono);
+  font-size: 0.85rem;
+}
+
+/* --- Lists --- */
+
+ul {
+  list-style: none;
+}
+
+li {
+  border-bottom: 1px solid var(--color-rule);
+  padding: 0.75rem 0;
+  font-family: var(--font-mono);
+  font-size: 0.85rem;
+  color: var(--color-ink);
+}
+
+li:first-child {
+  border-top: 1px solid var(--color-rule);
+}
+
+li a {
+  color: var(--color-ink);
+  text-decoration: none;
+  display: block;
+}
+
+li a:hover {
+  text-decoration: underline;
+}
+
+/* --- Login form --- */
+
+form {
+  max-width: 360px;
+}
+
+form h1 {
+  margin-bottom: 2.5rem;
+}
+
+label {
+  display: block;
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--color-muted);
+  margin-bottom: 1.5rem;
+}
+
+input[type="text"],
+input[type="password"] {
+  display: block;
+  width: 100%;
+  margin-top: 0.4rem;
+  padding: 0.5rem 0;
+  border: none;
+  border-bottom: 1px solid var(--color-ink);
+  background: transparent;
+  font-family: var(--font-mono);
+  font-size: 0.9rem;
+  color: var(--color-ink);
+  outline: none;
+}
+
+input:focus {
+  border-bottom-color: var(--color-ink);
+}
+
+button[type="submit"] {
+  margin-top: 2rem;
+  background: var(--color-ink);
+  color: var(--color-bg);
+  border: none;
+  padding: 0.6rem 1.5rem;
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+  cursor: pointer;
+}
+
+button[type="submit"]:hover {
+  opacity: 0.8;
+}
+
+#login-error {
+  color: #c00;
+  font-size: 0.8rem;
+  margin-top: -0.5rem;
+  margin-bottom: 1rem;
+}
+
+/* --- Map --- */
+
+track-map {
+  display: block;
+  margin: 1.5rem 0;
+  border: 1px solid var(--color-rule);
 }