fix coloring, credit

Author: matthewpeterkort

docs/stylesheets/extra.css

@@ -19,6 +19,53 @@ body {
   font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
 }
 
+/* Zensical's modern header uses default surface colors, so restore the
+   original CALYPR blue treatment explicitly for the top nav. */
+.md-header,
+.md-tabs {
+  background-color: var(--md-primary-fg-color);
+  color: var(--md-primary-bg-color);
+}
+
+.md-header {
+  box-shadow: 0 10px 30px rgba(0, 36, 77, 0.16);
+}
+
+.md-tabs {
+  box-shadow: 0 -0.05rem 0 inset rgba(255, 255, 255, 0.18);
+}
+
+.md-header__button,
+.md-header__title,
+.md-header__topic,
+.md-tabs__link {
+  color: var(--md-primary-bg-color);
+}
+
+.md-tabs__item--active {
+  border-bottom-color: var(--md-primary-bg-color);
+}
+
+.md-search__button {
+  background-color: rgba(255, 255, 255, 0.94) !important;
+  color: #0f172a !important;
+}
+
+.md-search__button:focus,
+.md-search__button:hover {
+  background-color: #ffffff !important;
+  color: #0f172a !important;
+}
+
+.md-search__button::before {
+  background-color: #0f172a !important;
+}
+
+.md-search__button::after {
+  background: rgba(15, 23, 42, 0.08) !important;
+  color: #475569 !important;
+}
+
 h1,
 h2,
 h3 {

zensical.toml

@@ -241,3 +241,6 @@ custom_fences = [
 ]
 [project.markdown_extensions.pymdownx.tabbed]
 alternate_style = true
+
+[project.extra]
+generator = false