chore: release version 0.5.1

app/static/css/style.css

@@ -70,6 +70,7 @@
   --font-body: "InterLocal", system-ui, sans-serif;
   --font-heading: "SpaceGroteskLocal", "InterLocal", sans-serif;
   --safe-bottom: max(24px, env(safe-area-inset-bottom));
+  --mobile-nav-space: 138px;
   --body-radial-a: rgba(181, 210, 255, 0.85);
   --body-radial-b: rgba(255, 221, 196, 0.48);
   --body-linear-start: #f8fbff;
@@ -147,7 +148,9 @@ p {
 
 .page-shell {
   min-height: 100vh;
-  padding: 24px 18px calc(100px + var(--safe-bottom));
+  display: flex;
+  flex-direction: column;
+  padding: 24px 18px calc(var(--mobile-nav-space) + var(--safe-bottom));
 }
 
 .topbar {
@@ -179,6 +182,26 @@ p {
   display: grid;
   gap: 24px;
   min-width: 0;
+  flex: 1 0 auto;
+}
+
+.app-footer {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  padding: 18px 0 8px;
+  color: var(--muted);
+  font-size: 0.88rem;
+  text-align: center;
+}
+
+.app-footer a {
+  color: inherit;
+}
+
+.app-footer span {
+  opacity: 0.7;
 }
 
 .panel,