style: add announcement for coda survey

To be removed by 2025-08-11.

Author: medubelko

website/.sphinx/_static/css/announcement.css

@@ -0,0 +1,21 @@
+/* Style for short-term announcement about survey
+TODO: Remove this file by 2025-08-11 */
+
+.announcement-content a {
+  color: var(--color-link) !important;
+}
+
+body {
+  --color-announcement-background: #DAD7D3;
+  --color-announcement-text: var(--color-foreground-primary);
+}
+
+body[data-theme="dark"] {
+  --color-announcement-background: #411934;
+}
+
+@media (prefers-color-scheme: dark) {
+  body:not([data-theme="light"]) {
+    --color-announcement-background: #411934;
+  }
+}

website/conf.py

@@ -148,6 +148,12 @@
     "display_contributors": True,
 }
 
+html_theme_options = {
+    # Short-term announcement about survey
+    # TODO: Remove this block by 2025-08-11
+    "announcement": "We'd like your input! <a href='https://docs.google.com/forms/d/e/1FAIpQLSc-uQ_jRxymv2ruYDsOudzbPogyHnYFS-f6grxJWWR0uJo75Q/viewform?usp=dialog' rel='nofollow' target='_blank'>Take the CODA check-in survey</a>.",
+}
+
 # Project slug; see https://meta.discourse.org/t/what-is-category-slug/87897
 #
 # TODO: If your documentation is hosted on https://docs.ubuntu.com/,
@@ -245,6 +251,9 @@
 
 html_css_files = [
     "css/pdf.css",
+    # For short-term announcement about survey
+    # TODO: Remove this block by 2025-08-11
+    "css/announcement.css",
 ]