Merge pull request 'feat: present theme switch as a segmented control' (#15) from feat/segmented-theme-switch into main

Reviewed-on: #15

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

@@ -1,31 +1,10 @@
 name: Build and publish container
 
-# Only run when files that affect the built image change. Updates to CI
-# config, Renovate config, or docs (e.g. a Renovate bump of the checkout
-# action) do not change the image and so do not trigger a build or release.
-# Use workflow_dispatch to run manually after a pipeline change.
 on:
   push:
     branches: [main]
-    paths:
-      - 'Dockerfile'
-      - 'default.conf'
-      - 'index.html'
-      - 'styles.css'
-      - 'script.js'
-      - 'messages.js'
-      - '.dockerignore'
   pull_request:
     branches: [main]
-    paths:
-      - 'Dockerfile'
-      - 'default.conf'
-      - 'index.html'
-      - 'styles.css'
-      - 'script.js'
-      - 'messages.js'
-      - '.dockerignore'
-  workflow_dispatch:
 
 defaults:
   run:

styles.css

@@ -63,10 +63,13 @@ body {
   padding: 1.5rem;
 }
 
+/* Segmented control: both options joined in one rounded container,
+   with the active segment filled. */
 .theme-toggle {
-  display: flex;
-  gap: 0.5rem;
-  border: none;
+  display: inline-flex;
+  border: 2px solid var(--button-bg);
+  border-radius: 999px;
+  overflow: hidden;
   margin: 0;
   padding: 0;
 }
@@ -75,19 +78,22 @@ body {
   font-family: inherit;
   font-size: 0.9rem;
   font-weight: 600;
-  padding: 0.5rem 1rem;
-  border: 2px solid var(--button-bg);
-  border-radius: 999px;
+  padding: 0.5rem 1.1rem;
+  border: none;
   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 {