feat: moved big css block out of pages into external css file

package.json

@@ -159,6 +159,11 @@
       {
         "from": "src/main/engine/templates",
         "to": "templates"
+      },
+      {
+        "from": "src/main/engine/assets",
+        "to": "assets",
+        "filter": ["*.css"]
       }
     ],
     "protocols": [

src/main/engine/PageRenderer.ts

@@ -11,6 +11,26 @@ import { CALENDAR_RUNTIME_JS } from './assets/calendarRuntime';
 import { TAG_CLOUD_RUNTIME_JS } from './assets/tagCloudRuntime';
 import { resolveRenderLanguageFromProjectPreferences, translateRender } from '../shared/i18n';
 
+function readLocalAsset(filename: string): string {
+  const candidates = [
+    path.join(__dirname, 'assets', filename),
+    path.join(process.cwd(), 'dist', 'main', 'engine', 'assets', filename),
+    path.join(process.cwd(), 'src', 'main', 'engine', 'assets', filename),
+  ];
+
+  if (typeof process.resourcesPath === 'string' && process.resourcesPath.length > 0) {
+    candidates.unshift(path.join(process.resourcesPath, 'assets', filename));
+  }
+
+  for (const candidate of candidates) {
+    if (fs.existsSync(candidate)) {
+      return fs.readFileSync(candidate, 'utf-8');
+    }
+  }
+
+  throw new Error(`Local asset not found: ${filename}`);
+}
+
 export interface PythonMacroScript {
   id: string;
   slug: string;
@@ -271,6 +291,10 @@ export const PREVIEW_ASSETS: Record<string, PreviewAssetDefinition> = {
     contentType: 'application/javascript; charset=utf-8',
     sourceText: CALENDAR_RUNTIME_JS,
   },
+  'bds.css': {
+    contentType: 'text/css; charset=utf-8',
+    sourceText: readLocalAsset('bds.css'),
+  },
 };
 
 export const PREVIEW_IMAGE_ASSETS = {

src/main/engine/assets/bds.css

@@ -0,0 +1,145 @@
+:root { color-scheme: light dark; }
+@media only screen and (prefers-color-scheme: dark) {
+  :root:not([data-theme]) { --pico-background-color: #13171f; }
+}
+[data-theme='dark'] { --pico-background-color: #13171f; }
+body { max-width: 960px; margin: 0 auto; padding: 2rem 1rem 4rem; background: var(--pico-background-color, var(--background-color)); color: var(--pico-color, var(--color)); }
+main { display: grid; gap: 1rem; }
+.blog-menu { position: relative; display: flex; align-items: baseline; justify-content: space-between; gap: .75rem; border-top: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); border-bottom: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); padding: .4rem 0; margin: -.15rem 0 .2rem; }
+.blog-menu > .blog-menu-list { width: 100%; }
+.blog-menu-list { list-style: none; display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .75rem; margin: 0; padding: 0; }
+.blog-menu-item { position: relative; }
+.blog-menu-link { display: inline-flex; align-items: center; color: var(--pico-muted-color, var(--muted-color)); text-decoration: none; font-size: .94rem; line-height: 1.4; padding: .2rem .1rem; }
+.blog-menu-item-with-children > .blog-menu-link::after { content: '▾'; font-size: .7em; margin-left: .38rem; opacity: .72; }
+.blog-menu-link:hover,
+.blog-menu-link:focus-visible { color: var(--pico-color, var(--color)); text-decoration: underline; }
+.blog-menu-submenu { position: absolute; top: calc(100% + .12rem); left: 0; min-width: 12rem; display: none; border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: var(--pico-card-background-color, var(--card-background-color)); padding: .3rem 0; z-index: 10; }
+.blog-menu-submenu .blog-menu-list { flex-direction: column; flex-wrap: nowrap; gap: 0; margin: 0; }
+.blog-menu-submenu .blog-menu-item { display: block; padding: 0; margin: 0; }
+.blog-menu-submenu .blog-menu-link { display: block; padding: .22rem .75rem; font-size: .88rem; line-height: 1.3; }
+.blog-menu-submenu .blog-menu-item a.blog-menu-link { margin: 0; }
+.blog-menu-item-with-children:hover > .blog-menu-submenu,
+.blog-menu-item-with-children:focus-within > .blog-menu-submenu { display: block; }
+.blog-menu-calendar { position: relative; display: inline-flex; align-items: baseline; justify-content: center; margin-left: auto; align-self: baseline; flex-shrink: 0; }
+.blog-menu-calendar-button { display: inline-flex; align-items: center; justify-content: center; width: auto; height: auto; margin: 0; padding: .2rem .1rem; border: 0; background: transparent; color: var(--pico-muted-color, var(--muted-color)); border-radius: 0; cursor: pointer; font: inherit; font-size: .94rem; line-height: 1.4; appearance: none; -webkit-appearance: none; vertical-align: baseline; }
+.blog-menu-calendar-button svg { display: block; width: .9rem; height: .9rem; fill: none; stroke: currentColor; transform: translateY(2px); }
+.blog-menu-calendar-button:hover,
+.blog-menu-calendar-button:focus-visible { color: var(--pico-color, var(--color)); }
+.blog-calendar-panel { position: absolute; top: calc(100% + .15rem); right: 0; width: min(17.5rem, 92vw); border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: var(--pico-card-background-color, var(--card-background-color)); padding: .32rem; z-index: 30; }
+.blog-calendar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: .1rem; }
+.blog-calendar-header strong { font-size: .9rem; line-height: 1.2; }
+.blog-calendar-close { border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: transparent; color: var(--pico-muted-color, var(--muted-color)); width: 1.35rem; height: 1.35rem; border-radius: .2rem; padding: 0; cursor: pointer; line-height: 1; }
+.blog-calendar-close:hover,
+.blog-calendar-close:focus-visible { color: var(--pico-color, var(--color)); border-color: var(--pico-color, var(--color)); }
+.blog-calendar-content { display: grid; gap: .08rem; }
+.blog-calendar-status { margin: .1rem 0 0; color: var(--pico-muted-color, var(--muted-color)); font-size: .74rem; }
+[data-blog-calendar-root] { font-size: .86rem; }
+[data-blog-calendar-root] [data-vc=header] { margin-bottom: .08rem; }
+[data-blog-calendar-root] [data-vc=month],
+[data-blog-calendar-root] [data-vc=year] { padding: .08rem .18rem; font-size: .9rem; line-height: 1.15; }
+[data-blog-calendar-root] [data-vc=months],
+[data-blog-calendar-root] [data-vc=years] { row-gap: .32rem; }
+[data-blog-calendar-root] [data-vc=years] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
+[data-blog-calendar-root] [data-vc-months-month],
+[data-blog-calendar-root] [data-vc-years-year] { height: 1.72rem; }
+[data-blog-calendar-root] [data-vc-months-month],
+[data-blog-calendar-root] [data-vc-years-year] { word-break: normal; white-space: nowrap; }
+[data-blog-calendar-root] [data-vc-years-year] { min-width: 2.5rem; font-size: .7rem; line-height: 1; }
+[data-blog-calendar-root] [data-vc-week=days] { margin-bottom: .08rem; }
+[data-blog-calendar-root] [data-vc-week-day] { font-size: .68rem; line-height: .9rem; min-width: 1.45rem; }
+[data-blog-calendar-root] [data-vc-date] { padding-top: 0; padding-bottom: 0; }
+[data-blog-calendar-root] [data-vc-date-btn] { min-height: 1.45rem; min-width: 1.45rem; font-size: .68rem; line-height: .9rem; }
+[data-blog-calendar-has-posts='true'] [data-vc-date-btn] {
+  border-color: hsl(var(--blog-calendar-heat-hue, 210) 85% 42% / .95);
+  background-color: hsl(var(--blog-calendar-heat-hue, 210) 88% 52% / var(--blog-calendar-heat-alpha, 0));
+}
+[data-blog-calendar-root] [data-vc-months-month][data-blog-calendar-has-posts='true'],
+[data-blog-calendar-root] [data-vc-years-year][data-blog-calendar-has-posts='true'] {
+  background-color: hsl(var(--blog-calendar-heat-hue, 210) 88% 52% / var(--blog-calendar-heat-alpha, 0));
+  border-color: hsl(var(--blog-calendar-heat-hue, 210) 85% 42% / .95);
+}
+.post { border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); padding: 1rem; background: var(--pico-card-background-color, var(--card-background-color)); min-width: 0; }
+.post pre { position: relative; overflow-x: auto; max-width: 100%; border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); border-radius: .3rem; margin: .9rem 0; padding: .85rem .9rem; background: var(--pico-code-background-color, rgba(33, 38, 45, .82)); box-sizing: border-box; }
+.post pre code { display: block; font-size: .88rem; line-height: 1.5; white-space: pre; }
+.code-copy-button {
+  position: absolute;
+  top: .4rem;
+  right: .4rem;
+  border: 1px solid var(--pico-muted-border-color, var(--muted-border-color));
+  background: var(--pico-card-background-color, var(--card-background-color));
+  color: var(--pico-muted-color, var(--muted-color));
+  border-radius: .25rem;
+  width: 1.8rem;
+  height: 1.8rem;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0;
+  cursor: pointer;
+  opacity: .88;
+}
+.code-copy-button:hover,
+.code-copy-button:focus-visible { opacity: 1; color: var(--pico-color, var(--color)); }
+.code-copy-icon { font-size: .95rem; line-height: 1; }
+.code-copy-success .code-copy-button { color: var(--pico-ins-color, rgb(53, 117, 56)); border-color: var(--pico-ins-color, rgb(53, 117, 56)); }
+.code-copy-failed .code-copy-button { color: var(--pico-del-color, rgb(183, 72, 72)); border-color: var(--pico-del-color, rgb(183, 72, 72)); }
+.post iframe { width: 100%; min-height: 20rem; }
+.macro-youtube, .macro-vimeo { margin-bottom: 1rem; }
+.macro-gallery, .macro-photo-archive, .macro-tag-cloud { border: 1px dashed var(--pico-muted-border-color, var(--muted-border-color)); padding: .75rem; margin: 1rem 0; }
+.gallery-container { display: grid; gap: .5rem; }
+.macro-gallery.gallery-cols-1 .gallery-container { grid-template-columns: 1fr; }
+.macro-gallery.gallery-cols-2 .gallery-container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
+.macro-gallery.gallery-cols-3 .gallery-container { grid-template-columns: repeat(3, minmax(0, 1fr)); }
+.macro-gallery.gallery-cols-4 .gallery-container { grid-template-columns: repeat(4, minmax(0, 1fr)); }
+.macro-gallery.gallery-cols-5 .gallery-container { grid-template-columns: repeat(5, minmax(0, 1fr)); }
+.macro-gallery.gallery-cols-6 .gallery-container { grid-template-columns: repeat(6, minmax(0, 1fr)); }
+.gallery-item, .photo-archive-item { display: block; overflow: hidden; border-radius: .25rem; }
+.gallery-item img, .photo-archive-item img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
+.lb-nav a, .lb-nav a:hover, .lb-nav a:focus-visible { border: 0; box-shadow: none; outline: none; text-decoration: none; }
+.gallery-caption { margin-top: .5rem; text-align: center; color: var(--pico-muted-color, var(--muted-color)); font-size: .92rem; }
+.gallery-empty, .photo-archive-empty { color: var(--pico-muted-color, var(--muted-color)); font-style: italic; }
+.photo-archive-container { display: grid; gap: 1rem; }
+.photo-archive-month { display: grid; grid-template-columns: 3.25rem 1fr; gap: .75rem; align-items: start; }
+.photo-archive-month-label { display: flex; justify-content: center; align-items: center; }
+.photo-archive-month-label span { writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .08em; text-transform: uppercase; color: var(--pico-muted-color, var(--muted-color)); }
+.photo-archive-gallery { display: grid; gap: .5rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
+.photo-archive-single-month .photo-archive-gallery { grid-template-columns: repeat(5, minmax(0, 1fr)); }
+.macro-tag-cloud { min-height: 14rem; }
+.tag-cloud-canvas { display: block; width: 100%; height: auto; min-height: 12rem; }
+.tag-cloud-empty { color: var(--pico-muted-color, var(--muted-color)); font-style: italic; }
+.archive-day-group { display: grid; grid-template-columns: 5.25rem 1fr; gap: 1.25rem; align-items: stretch; }
+.archive-day-marker { display: flex; justify-content: center; align-items: center; color: var(--pico-muted-color, var(--muted-color)); }
+.archive-day-marker span { writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .16em; font-size: 1.05rem; font-weight: 600; text-transform: uppercase; }
+.archive-day-posts { display: grid; gap: 1rem; }
+.archive-day-separator { position: relative; height: 2px; width: 100%; color: var(--pico-color, var(--color)); border-top: 1px solid currentColor; opacity: .18; margin: .45rem 0 .65rem; }
+.archive-day-separator::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, transparent 0%, transparent 18%, currentColor 58%, transparent 92%, transparent 100%); opacity: .85; }
+.single-post { margin: 0; padding: 0; background: transparent; border: 0; box-shadow: none; }
+.single-post-taxonomy { display: flex; flex-wrap: wrap; gap: .4rem .45rem; margin: -.1rem 0 .2rem; }
+.single-post-taxonomy-bubble {
+  --bubble-accent: var(--pico-ins-color, rgb(53, 117, 56));
+  --bubble-bg: var(--bubble-accent);
+  display: inline-flex;
+  align-items: center;
+  border: 1px solid var(--bubble-accent);
+  border-radius: 999px;
+  padding: .1rem .5rem;
+  font-size: .74rem;
+  line-height: 1.35;
+  color: #000;
+  background: var(--bubble-bg, var(--bubble-accent));
+  text-decoration: none;
+}
+.single-post-taxonomy-bubble:hover,
+.single-post-taxonomy-bubble:focus-visible { text-decoration: underline; }
+.single-post-taxonomy-bubble-category { --bubble-accent: var(--pico-ins-color, rgb(53, 117, 56)); --bubble-bg: var(--pico-ins-color, rgb(53, 117, 56)); }
+.single-post-taxonomy-bubble-tag { --bubble-accent: var(--pico-del-color, rgb(183, 72, 72)); --bubble-bg: var(--pico-del-color, rgb(183, 72, 72)); }
+.single-post-backlinks { display: flex; flex-wrap: wrap; gap: .4rem .45rem; align-items: center; margin-top: 1.5rem; }
+.single-post-backlinks-label { font-size: .74rem; line-height: 1.35; color: var(--pico-muted-color, var(--muted-color)); margin-right: .15rem; }
+.single-post-backlink-bubble { --bubble-accent: var(--pico-primary, rgb(16, 107, 193)); --bubble-bg: var(--pico-primary, rgb(16, 107, 193)); color: var(--pico-primary-inverse, #fff); }
+.preview-pagination { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-top: .25rem; }
+.preview-pagination-link { color: var(--pico-muted-color, var(--muted-color)); text-decoration: none; font-size: .92rem; opacity: .72; transition: opacity .15s ease-in-out; }
+.preview-pagination-link:hover,
+.preview-pagination-link:focus-visible { opacity: 1; text-decoration: underline; }
+.preview-pagination .spacer { flex: 1; }
+.not-found { display: grid; place-items: center; min-height: 48vh; }
+.not-found article { max-width: 32rem; text-align: center; }

src/main/engine/templates/partials/head.liquid

@@ -7,9 +7,9 @@
   <link rel="stylesheet" href="/assets/lightbox.min.css" />
   <link rel="stylesheet" href="/assets/highlight.min.css" />
   <link rel="stylesheet" href="/assets/vanilla-calendar.min.css" />
+  <link rel="stylesheet" href="/assets/bds.css" />
   <link rel="alternate" type="application/rss+xml" title="RSS" href="/rss.xml" />
   <link rel="alternate" type="application/atom+xml" title="Atom" href="/atom.xml" />
-  {% render 'partials/styles' %}
   <script defer src="/assets/highlight.min.js"></script>
   <script defer src="/assets/code-enhancements.js"></script>
   <script defer src="/assets/d3.layout.cloud.js"></script>

src/main/engine/templates/partials/styles.liquid

@@ -1,147 +0,0 @@
-<style>
-  :root { color-scheme: light dark; }
-  @media only screen and (prefers-color-scheme: dark) {
-    :root:not([data-theme]) { --pico-background-color: #13171f; }
-  }
-  [data-theme='dark'] { --pico-background-color: #13171f; }
-  body { max-width: 960px; margin: 0 auto; padding: 2rem 1rem 4rem; background: var(--pico-background-color, var(--background-color)); color: var(--pico-color, var(--color)); }
-  main { display: grid; gap: 1rem; }
-  .blog-menu { position: relative; display: flex; align-items: baseline; justify-content: space-between; gap: .75rem; border-top: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); border-bottom: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); padding: .4rem 0; margin: -.15rem 0 .2rem; }
-  .blog-menu > .blog-menu-list { width: 100%; }
-  .blog-menu-list { list-style: none; display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .75rem; margin: 0; padding: 0; }
-  .blog-menu-item { position: relative; }
-  .blog-menu-link { display: inline-flex; align-items: center; color: var(--pico-muted-color, var(--muted-color)); text-decoration: none; font-size: .94rem; line-height: 1.4; padding: .2rem .1rem; }
-  .blog-menu-item-with-children > .blog-menu-link::after { content: '▾'; font-size: .7em; margin-left: .38rem; opacity: .72; }
-  .blog-menu-link:hover,
-  .blog-menu-link:focus-visible { color: var(--pico-color, var(--color)); text-decoration: underline; }
-  .blog-menu-submenu { position: absolute; top: calc(100% + .12rem); left: 0; min-width: 12rem; display: none; border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: var(--pico-card-background-color, var(--card-background-color)); padding: .3rem 0; z-index: 10; }
-  .blog-menu-submenu .blog-menu-list { flex-direction: column; flex-wrap: nowrap; gap: 0; margin: 0; }
-  .blog-menu-submenu .blog-menu-item { display: block; padding: 0; margin: 0; }
-  .blog-menu-submenu .blog-menu-link { display: block; padding: .22rem .75rem; font-size: .88rem; line-height: 1.3; }
-  .blog-menu-submenu .blog-menu-item a.blog-menu-link { margin: 0; }
-  .blog-menu-item-with-children:hover > .blog-menu-submenu,
-  .blog-menu-item-with-children:focus-within > .blog-menu-submenu { display: block; }
-  .blog-menu-calendar { position: relative; display: inline-flex; align-items: baseline; justify-content: center; margin-left: auto; align-self: baseline; flex-shrink: 0; }
-  .blog-menu-calendar-button { display: inline-flex; align-items: center; justify-content: center; width: auto; height: auto; margin: 0; padding: .2rem .1rem; border: 0; background: transparent; color: var(--pico-muted-color, var(--muted-color)); border-radius: 0; cursor: pointer; font: inherit; font-size: .94rem; line-height: 1.4; appearance: none; -webkit-appearance: none; vertical-align: baseline; }
-  .blog-menu-calendar-button svg { display: block; width: .9rem; height: .9rem; fill: none; stroke: currentColor; transform: translateY(2px); }
-  .blog-menu-calendar-button:hover,
-  .blog-menu-calendar-button:focus-visible { color: var(--pico-color, var(--color)); }
-  .blog-calendar-panel { position: absolute; top: calc(100% + .15rem); right: 0; width: min(17.5rem, 92vw); border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: var(--pico-card-background-color, var(--card-background-color)); padding: .32rem; z-index: 30; }
-  .blog-calendar-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: .1rem; }
-  .blog-calendar-header strong { font-size: .9rem; line-height: 1.2; }
-  .blog-calendar-close { border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); background: transparent; color: var(--pico-muted-color, var(--muted-color)); width: 1.35rem; height: 1.35rem; border-radius: .2rem; padding: 0; cursor: pointer; line-height: 1; }
-  .blog-calendar-close:hover,
-  .blog-calendar-close:focus-visible { color: var(--pico-color, var(--color)); border-color: var(--pico-color, var(--color)); }
-  .blog-calendar-content { display: grid; gap: .08rem; }
-  .blog-calendar-status { margin: .1rem 0 0; color: var(--pico-muted-color, var(--muted-color)); font-size: .74rem; }
-  [data-blog-calendar-root] { font-size: .86rem; }
-  [data-blog-calendar-root] [data-vc=header] { margin-bottom: .08rem; }
-  [data-blog-calendar-root] [data-vc=month],
-  [data-blog-calendar-root] [data-vc=year] { padding: .08rem .18rem; font-size: .9rem; line-height: 1.15; }
-  [data-blog-calendar-root] [data-vc=months],
-  [data-blog-calendar-root] [data-vc=years] { row-gap: .32rem; }
-  [data-blog-calendar-root] [data-vc=years] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-  [data-blog-calendar-root] [data-vc-months-month],
-  [data-blog-calendar-root] [data-vc-years-year] { height: 1.72rem; }
-  [data-blog-calendar-root] [data-vc-months-month],
-  [data-blog-calendar-root] [data-vc-years-year] { word-break: normal; white-space: nowrap; }
-  [data-blog-calendar-root] [data-vc-years-year] { min-width: 2.5rem; font-size: .7rem; line-height: 1; }
-  [data-blog-calendar-root] [data-vc-week=days] { margin-bottom: .08rem; }
-  [data-blog-calendar-root] [data-vc-week-day] { font-size: .68rem; line-height: .9rem; min-width: 1.45rem; }
-  [data-blog-calendar-root] [data-vc-date] { padding-top: 0; padding-bottom: 0; }
-  [data-blog-calendar-root] [data-vc-date-btn] { min-height: 1.45rem; min-width: 1.45rem; font-size: .68rem; line-height: .9rem; }
-  [data-blog-calendar-has-posts='true'] [data-vc-date-btn] {
-    border-color: hsl(var(--blog-calendar-heat-hue, 210) 85% 42% / .95);
-    background-color: hsl(var(--blog-calendar-heat-hue, 210) 88% 52% / var(--blog-calendar-heat-alpha, 0));
-  }
-  [data-blog-calendar-root] [data-vc-months-month][data-blog-calendar-has-posts='true'],
-  [data-blog-calendar-root] [data-vc-years-year][data-blog-calendar-has-posts='true'] {
-    background-color: hsl(var(--blog-calendar-heat-hue, 210) 88% 52% / var(--blog-calendar-heat-alpha, 0));
-    border-color: hsl(var(--blog-calendar-heat-hue, 210) 85% 42% / .95);
-  }
-  .post { border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); padding: 1rem; background: var(--pico-card-background-color, var(--card-background-color)); min-width: 0; }
-  .post pre { position: relative; overflow-x: auto; max-width: 100%; border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); border-radius: .3rem; margin: .9rem 0; padding: .85rem .9rem; background: var(--pico-code-background-color, rgba(33, 38, 45, .82)); box-sizing: border-box; }
-  .post pre code { display: block; font-size: .88rem; line-height: 1.5; white-space: pre; }
-  .code-copy-button {
-    position: absolute;
-    top: .4rem;
-    right: .4rem;
-    border: 1px solid var(--pico-muted-border-color, var(--muted-border-color));
-    background: var(--pico-card-background-color, var(--card-background-color));
-    color: var(--pico-muted-color, var(--muted-color));
-    border-radius: .25rem;
-    width: 1.8rem;
-    height: 1.8rem;
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    padding: 0;
-    cursor: pointer;
-    opacity: .88;
-  }
-  .code-copy-button:hover,
-  .code-copy-button:focus-visible { opacity: 1; color: var(--pico-color, var(--color)); }
-  .code-copy-icon { font-size: .95rem; line-height: 1; }
-  .code-copy-success .code-copy-button { color: var(--pico-ins-color, rgb(53, 117, 56)); border-color: var(--pico-ins-color, rgb(53, 117, 56)); }
-  .code-copy-failed .code-copy-button { color: var(--pico-del-color, rgb(183, 72, 72)); border-color: var(--pico-del-color, rgb(183, 72, 72)); }
-  .post iframe { width: 100%; min-height: 20rem; }
-  .macro-youtube, .macro-vimeo { margin-bottom: 1rem; }
-  .macro-gallery, .macro-photo-archive, .macro-tag-cloud { border: 1px dashed var(--pico-muted-border-color, var(--muted-border-color)); padding: .75rem; margin: 1rem 0; }
-  .gallery-container { display: grid; gap: .5rem; }
-  .macro-gallery.gallery-cols-1 .gallery-container { grid-template-columns: 1fr; }
-  .macro-gallery.gallery-cols-2 .gallery-container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
-  .macro-gallery.gallery-cols-3 .gallery-container { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-  .macro-gallery.gallery-cols-4 .gallery-container { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-  .macro-gallery.gallery-cols-5 .gallery-container { grid-template-columns: repeat(5, minmax(0, 1fr)); }
-  .macro-gallery.gallery-cols-6 .gallery-container { grid-template-columns: repeat(6, minmax(0, 1fr)); }
-  .gallery-item, .photo-archive-item { display: block; overflow: hidden; border-radius: .25rem; }
-  .gallery-item img, .photo-archive-item img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
-  .lb-nav a, .lb-nav a:hover, .lb-nav a:focus-visible { border: 0; box-shadow: none; outline: none; text-decoration: none; }
-  .gallery-caption { margin-top: .5rem; text-align: center; color: var(--pico-muted-color, var(--muted-color)); font-size: .92rem; }
-  .gallery-empty, .photo-archive-empty { color: var(--pico-muted-color, var(--muted-color)); font-style: italic; }
-  .photo-archive-container { display: grid; gap: 1rem; }
-  .photo-archive-month { display: grid; grid-template-columns: 3.25rem 1fr; gap: .75rem; align-items: start; }
-  .photo-archive-month-label { display: flex; justify-content: center; align-items: center; }
-  .photo-archive-month-label span { writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .08em; text-transform: uppercase; color: var(--pico-muted-color, var(--muted-color)); }
-  .photo-archive-gallery { display: grid; gap: .5rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
-  .photo-archive-single-month .photo-archive-gallery { grid-template-columns: repeat(5, minmax(0, 1fr)); }
-  .macro-tag-cloud { min-height: 14rem; }
-  .tag-cloud-canvas { display: block; width: 100%; height: auto; min-height: 12rem; }
-  .tag-cloud-empty { color: var(--pico-muted-color, var(--muted-color)); font-style: italic; }
-  .archive-day-group { display: grid; grid-template-columns: 5.25rem 1fr; gap: 1.25rem; align-items: stretch; }
-  .archive-day-marker { display: flex; justify-content: center; align-items: center; color: var(--pico-muted-color, var(--muted-color)); }
-  .archive-day-marker span { writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: .16em; font-size: 1.05rem; font-weight: 600; text-transform: uppercase; }
-  .archive-day-posts { display: grid; gap: 1rem; }
-  .archive-day-separator { position: relative; height: 2px; width: 100%; color: var(--pico-color, var(--color)); border-top: 1px solid currentColor; opacity: .18; margin: .45rem 0 .65rem; }
-  .archive-day-separator::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, transparent 0%, transparent 18%, currentColor 58%, transparent 92%, transparent 100%); opacity: .85; }
-  .single-post { margin: 0; padding: 0; background: transparent; border: 0; box-shadow: none; }
-  .single-post-taxonomy { display: flex; flex-wrap: wrap; gap: .4rem .45rem; margin: -.1rem 0 .2rem; }
-  .single-post-taxonomy-bubble {
-    --bubble-accent: var(--pico-ins-color, rgb(53, 117, 56));
-    --bubble-bg: var(--bubble-accent);
-    display: inline-flex;
-    align-items: center;
-    border: 1px solid var(--bubble-accent);
-    border-radius: 999px;
-    padding: .1rem .5rem;
-    font-size: .74rem;
-    line-height: 1.35;
-    color: #000;
-    background: var(--bubble-bg, var(--bubble-accent));
-    text-decoration: none;
-  }
-  .single-post-taxonomy-bubble:hover,
-  .single-post-taxonomy-bubble:focus-visible { text-decoration: underline; }
-  .single-post-taxonomy-bubble-category { --bubble-accent: var(--pico-ins-color, rgb(53, 117, 56)); --bubble-bg: var(--pico-ins-color, rgb(53, 117, 56)); }
-  .single-post-taxonomy-bubble-tag { --bubble-accent: var(--pico-del-color, rgb(183, 72, 72)); --bubble-bg: var(--pico-del-color, rgb(183, 72, 72)); }
-  .single-post-backlinks { display: flex; flex-wrap: wrap; gap: .4rem .45rem; align-items: center; margin-top: 1.5rem; }
-  .single-post-backlinks-label { font-size: .74rem; line-height: 1.35; color: var(--pico-muted-color, var(--muted-color)); margin-right: .15rem; }
-  .single-post-backlink-bubble { --bubble-accent: var(--pico-primary, rgb(16, 107, 193)); --bubble-bg: var(--pico-primary, rgb(16, 107, 193)); color: var(--pico-primary-inverse, #fff); }
-  .preview-pagination { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-top: .25rem; }
-  .preview-pagination-link { color: var(--pico-muted-color, var(--muted-color)); text-decoration: none; font-size: .92rem; opacity: .72; transition: opacity .15s ease-in-out; }
-  .preview-pagination-link:hover,
-  .preview-pagination-link:focus-visible { opacity: 1; text-decoration: underline; }
-  .preview-pagination .spacer { flex: 1; }
-  .not-found { display: grid; place-items: center; min-height: 48vh; }
-  .not-found article { max-width: 32rem; text-align: center; }
-</style>

tests/engine/BlogGenerationEngine.test.ts

@@ -462,7 +462,7 @@ describe('BlogGenerationEngine', () => {
     expect(html).toContain('data-template="post-list"');
     expect(html).toContain('/assets/pico.min.css');
     expect(html).toContain('/assets/lightbox.min.css');
-    expect(html).toContain('.lb-nav a, .lb-nav a:hover, .lb-nav a:focus-visible { border: 0; box-shadow: none; outline: none; text-decoration: none; }');
+    expect(html).toContain('/assets/bds.css');
     expect(html).toContain('/assets/tag-cloud.js');
     expect(html).toContain('rel="alternate" type="application/rss+xml"');
     expect(html).toContain('href="/rss.xml"');
@@ -484,8 +484,7 @@ describe('BlogGenerationEngine', () => {
     const indexPath = path.join(tempDir, 'html', 'index.html');
     const html = await readFile(indexPath, 'utf-8');
     expect(html).toContain('href="/assets/pico.green.min.css"');
-    expect(html).toContain('@media only screen and (prefers-color-scheme: dark)');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('--pico-background-color: #13171f;');
   });
 
   it('generates single post pages at /{year}/{month}/{day}/{slug}/index.html', async () => {
@@ -533,14 +532,7 @@ describe('BlogGenerationEngine', () => {
     expect(html).toContain('href="/category/article/"');
     expect(html).toContain('href="/tag/css-only/"');
     expect(html).toContain('style="--bubble-accent: #22aa88;"');
-    expect(html).toContain('background: var(--bubble-bg, var(--bubble-accent));');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('color: #000;');
-    expect(html).toContain('.single-post-taxonomy-bubble-category {');
-    expect(html).toContain('--bubble-accent: var(--pico-ins-color');
-    expect(html).toContain('--bubble-bg: var(--pico-ins-color');
-    expect(html).toContain('.single-post-taxonomy-bubble-tag {');
-    expect(html).toContain('--bubble-accent: var(--pico-del-color');
-    expect(html).toContain('--bubble-bg: var(--pico-del-color');
 
     const categoryIndex = html.indexOf('single-post-taxonomy-bubble-category');
     const tagIndex = html.indexOf('single-post-taxonomy-bubble-tag');

tests/engine/GenerationRouteRendererFactory.test.ts

@@ -181,6 +181,6 @@ describe('GenerationRouteRendererFactory', () => {
 
     expect(html).toContain('class="macro-youtube"');
     expect(html).toContain('youtube.com/embed/dQw4w9WgXcQ?rel=0');
-    expect(html).toContain('.macro-youtube, .macro-vimeo { margin-bottom: 1rem; }');
+    expect(html).toContain('/assets/bds.css');
   });
 });

tests/engine/PreviewServer.test.ts

@@ -318,6 +318,7 @@ describe('PreviewServer', () => {
     expect(rootHtml).toContain('href="/assets/lightbox.min.css"');
     expect(rootHtml).toContain('href="/assets/highlight.min.css"');
     expect(rootHtml).toContain('href="/assets/vanilla-calendar.min.css"');
+    expect(rootHtml).toContain('href="/assets/bds.css"');
     expect(rootHtml).toContain('src="/assets/lightbox.min.js"');
     expect(rootHtml).toContain('src="/assets/highlight.min.js"');
     expect(rootHtml).toContain('src="/assets/code-enhancements.js"');
@@ -360,6 +361,18 @@ describe('PreviewServer', () => {
     expect(tagCloudJsResponse.status).toBe(200);
     expect(tagCloudJsResponse.headers.get('content-type')).toContain('application/javascript');
 
+    const bdsCssResponse = await fetch(`${server.getBaseUrl()}/assets/bds.css`);
+    expect(bdsCssResponse.status).toBe(200);
+    expect(bdsCssResponse.headers.get('content-type')).toContain('text/css');
+    const bdsCss = await bdsCssResponse.text();
+    expect(bdsCss).toContain('.blog-menu');
+    expect(bdsCss).toContain('.post {');
+    expect(bdsCss).toContain('.single-post-taxonomy-bubble');
+    expect(bdsCss).toContain('.archive-day-separator');
+    expect(bdsCss).toContain('.not-found');
+    expect(bdsCss).toContain('--pico-background-color: #13171f;');
+    expect(bdsCss).toContain('.lb-nav a, .lb-nav a:hover, .lb-nav a:focus-visible');
+
     const lightboxPrevImageResponse = await fetch(`${server.getBaseUrl()}/images/prev.png`);
     expect(lightboxPrevImageResponse.status).toBe(200);
     expect(lightboxPrevImageResponse.headers.get('content-type')).toContain('image/png');
@@ -663,7 +676,7 @@ describe('PreviewServer', () => {
 
     expect(html).toContain('<html lang="en" data-theme="dark">');
     expect(html).toContain('href="/assets/pico.green.min.css"');
-    expect(html).toContain('--pico-background-color: #13171f;');
+    expect(html).toContain('/assets/bds.css');
   });
 
   it('limits list routes to 50 posts', async () => {
@@ -757,12 +770,7 @@ describe('PreviewServer', () => {
     const separatorCount = (html.match(/class="archive-day-separator"/g) || []).length;
     expect(separatorCount).toBe(1);
 
-    expect(html).toContain('.archive-day-separator { position: relative; height: 2px;');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('color: var(--pico-color, var(--color));');
-    expect(html).toContain('border-top: 1px solid currentColor;');
-    expect(html).toContain('opacity: .18;');
-    expect(html).toContain('.archive-day-separator::before');
-    expect(html).toContain('linear-gradient(to right, transparent 0%, transparent 18%, currentColor 58%, transparent 92%, transparent 100%)');
   });
 
   it('supports day-and-slug post route', async () => {
@@ -784,7 +792,7 @@ describe('PreviewServer', () => {
     const html = await response.text();
     expect(html).toContain('Single Post');
     expect(html).toContain('data-template="single-post"');
-    expect(html).toContain('.single-post { margin: 0; padding: 0; background: transparent; border: 0; box-shadow: none; }');
+    expect(html).toContain('/assets/bds.css');
   });
 
   it('resets lightbox nav anchor hover and focus styles to avoid frame artifacts over images', async () => {
@@ -808,7 +816,7 @@ describe('PreviewServer', () => {
     await server.start(0);
 
     const html = await (await fetch(`${server.getBaseUrl()}/2025/2/14/lightbox-style-post/`)).text();
-    expect(html).toContain('.lb-nav a, .lb-nav a:hover, .lb-nav a:focus-visible { border: 0; box-shadow: none; outline: none; text-decoration: none; }');
+    expect(html).toContain('/assets/bds.css');
   });
 
   it('keeps code blocks constrained to post column width with horizontal overflow inside the block', async () => {
@@ -824,9 +832,7 @@ describe('PreviewServer', () => {
     await server.start(0);
 
     const html = await (await fetch(`${server.getBaseUrl()}/`)).text();
-    expect(html).toContain('.post { border: 1px solid var(--pico-muted-border-color, var(--muted-border-color)); padding: 1rem; background: var(--pico-card-background-color, var(--card-background-color)); min-width: 0; }');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('.post pre { position: relative; overflow-x: auto; max-width: 100%;');
-    expect(html).toContain('.post pre code { display: block; font-size: .88rem; line-height: 1.5; white-space: pre; }');
   });
 
   it('renders single post title as h1', async () => {
@@ -903,14 +909,7 @@ describe('PreviewServer', () => {
     expect(html).toContain('href="/category/article/"');
     expect(html).toContain('href="/tag/css-only/"');
     expect(html).toContain('style="--bubble-accent: #22aa88;"');
-    expect(html).toContain('background: var(--bubble-bg, var(--bubble-accent));');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('color: #000;');
-    expect(html).toContain('.single-post-taxonomy-bubble-category {');
-    expect(html).toContain('--bubble-accent: var(--pico-ins-color');
-    expect(html).toContain('--bubble-bg: var(--pico-ins-color');
-    expect(html).toContain('.single-post-taxonomy-bubble-tag {');
-    expect(html).toContain('--bubble-accent: var(--pico-del-color');
-    expect(html).toContain('--bubble-bg: var(--pico-del-color');
 
     const categoryIndex = html.indexOf('single-post-taxonomy-bubble-category');
     const tagIndex = html.indexOf('single-post-taxonomy-bubble-tag');
@@ -993,9 +992,8 @@ describe('PreviewServer', () => {
     expect(html).toContain('href="/2025/03/10/source-post"');
     expect(html).toContain('href="/2025/03/12/a-very-long-slug-post-that-exceeds-thirty-characters"');
 
-    // Backlinks use pico accent color
+    // Backlinks use pico accent color (in external bds.css)
-    expect(html).toContain('.single-post-backlink-bubble');
+    expect(html).toContain('/assets/bds.css');
-    expect(html).toContain('--pico-primary');
 
     // Backlinks section is after the article
     const articleEndIndex = html.indexOf('</article>');
@@ -1836,7 +1834,7 @@ describe('PreviewServer', () => {
 
     expect(html).toContain('class="macro-youtube"');
     expect(html).toContain('youtube.com/embed/dQw4w9WgXcQ?rel=0');
-    expect(html).toContain('.macro-youtube, .macro-vimeo { margin-bottom: 1rem; }');
+    expect(html).toContain('/assets/bds.css');
   });
 
   it('resolves gallery linked images via post-media links even when media.linkedPostIds is empty', async () => {