chore(deps): update actions/checkout action to v6

.gitea/workflows/build-and-publish.yml

@@ -18,7 +18,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           # Full history and tags are required to derive the next version
           # from the conventional-commit messages since the last release.

Dockerfile

@@ -1,7 +1,7 @@
 # Lightweight, non-root nginx serving the static site.
 # Runs as user "nginx" and listens on 8080, ready to sit behind an
 # external reverse proxy that terminates TLS and forwards requests.
-FROM nginxinc/nginx-unprivileged:1.31-alpine-slim@sha256:6616de6eaa82bc2ee3541fa287a8fca7dc7271e6374e9402014dbd13f4a980ae
+FROM nginxinc/nginx-unprivileged:1.27-alpine-slim
 
 COPY default.conf /etc/nginx/conf.d/default.conf
 COPY --chown=nginx:nginx index.html styles.css script.js messages.js /usr/share/nginx/html/

styles.css

@@ -63,13 +63,10 @@ body {
   padding: 1.5rem;
 }
 
-/* Segmented control: both options joined in one rounded container,
-   with the active segment filled. */
 .theme-toggle {
-  display: inline-flex;
-  border: 2px solid var(--button-bg);
-  border-radius: 999px;
-  overflow: hidden;
+  display: flex;
+  gap: 0.5rem;
+  border: none;
   margin: 0;
   padding: 0;
 }
@@ -78,22 +75,19 @@ body {
   font-family: inherit;
   font-size: 0.9rem;
   font-weight: 600;
-  padding: 0.5rem 1.1rem;
-  border: none;
+  padding: 0.5rem 1rem;
+  border: 2px solid var(--button-bg);
+  border-radius: 999px;
   background: transparent;
   color: var(--text);
   cursor: pointer;
   transition: background 0.2s ease, color 0.2s ease;
 }
 
-/* Divider between the two segments. */
-.theme-button + .theme-button {
-  border-left: 2px solid var(--button-bg);
-}
-
 .theme-button[aria-pressed="true"] {
   background: var(--button-active-bg);
   color: var(--button-active-text);
+  border-color: var(--button-active-bg);
 }
 
 .stage {