From f2face01a76c00e9f24a9faf850683f21dd4f264 Mon Sep 17 00:00:00 2001
From: Lee Cattarin <lee.cattarin@gmail.com>
Date: Wed, 18 Feb 2026 18:44:17 -0800
Subject: [PATCH] chug chug, working on post formatting and tag pages

---
 _config/filters.js                  | 19 ++++++++
 _includes/head-content.njk          |  1 +
 _includes/layouts/post.njk          | 23 +++++++++
 _includes/postlist.njk              |  2 +-
 css/main.css                        |  8 ++-
 css/nav.css                         |  7 ++-
 css/post.css                        | 75 +++++++++++++++++++++++++++++
 css/postlist.css                    | 16 +++---
 eleventy.config.js                  | 34 +++++++++++--
 package-lock.json                   | 11 ++++-
 package.json                        |  4 +-
 src/meta/404.md                     |  9 ++++
 src/{ => meta}/feed.xml             |  0
 src/meta/sitemap.xml                | 16 ++++++
 src/pages/colophon.md               |  2 +
 src/pages/tag-pages.njk             | 24 +++++++++
 src/posts/2026/2026-02-17-sample.md |  2 -
 17 files changed, 234 insertions(+), 19 deletions(-)
 create mode 100644 _config/filters.js
 create mode 100644 css/post.css
 create mode 100644 src/meta/404.md
 rename src/{ => meta}/feed.xml (100%)
 create mode 100644 src/meta/sitemap.xml
 create mode 100644 src/pages/tag-pages.njk

diff --git a/_config/filters.js b/_config/filters.js
new file mode 100644
index 0000000..bb9e9b8
--- /dev/null
+++ b/_config/filters.js
@@ -0,0 +1,19 @@
+import { DateTime } from "luxon";
+
+export default function(eleventyConfig) {
+	/* Human-readable dates */
+	eleventyConfig.addFilter("readableDate", (dateObj, format, zone) => {
+		return DateTime.fromJSDate(dateObj, { zone: zone || "utc" })
+			.toLocaleString(DateTime.DATE_FULL);
+	});
+
+	/* For <time> elements */
+	eleventyConfig.addFilter("htmlDateString", (dateObj) => {
+		return DateTime.fromJSDate(dateObj, { zone: "utc" }).toFormat('yyyy-LL-dd');
+	});
+
+	/* Filter out structural tags */
+	eleventyConfig.addFilter("removeBasicTags", (tags) => {
+		return tags.filter(tag => ["all", "posts", "gallery", "reference", "tagPagination"].indexOf(tag) === -1);
+	});
+};
diff --git a/_includes/head-content.njk b/_includes/head-content.njk
index e8d6b1a..6e10397 100644
--- a/_includes/head-content.njk
+++ b/_includes/head-content.njk
@@ -26,3 +26,4 @@
 <link rel="stylesheet" href="/assets/css/highlighting.css">
 <link rel="stylesheet" href="/assets/css/print.css">
 <link rel="stylesheet" href="/assets/css/postlist.css">
+<link rel="stylesheet" href="/assets/css/post.css">
diff --git a/_includes/layouts/post.njk b/_includes/layouts/post.njk
index 24b2445..ce10427 100644
--- a/_includes/layouts/post.njk
+++ b/_includes/layouts/post.njk
@@ -4,5 +4,28 @@ layout: base.njk
 <article>
   <h1>{{ title }}</h1>
 
+  <div class="post-metadata">
+    <p>
+      posted on
+      <time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time>
+      by {{ metadata.author }}
+    </p>
+    {% set relevantTags = tags | removeBasicTags %}
+    {% if relevantTags.length %}
+    <ul class="post-tags">
+      {% for tag in relevantTags %}
+      <li>
+        {% set tagUrl %}/tag/{{ tag | slugify }}/{% endset %}
+        <a href="{{ tagUrl }}">{{ tag }}</a>
+      </li>
+      {% endfor %}
+    </ul>
+    {% endif %}
+  </div>
+
+  {% if image %}
+  <img src="/img/{{ image.src }}" alt="{{ image.alt }}">
+  {% endif %}
+
   {{ content | safe }}
 </article>
diff --git a/_includes/postlist.njk b/_includes/postlist.njk
index df358b8..4d542a9 100644
--- a/_includes/postlist.njk
+++ b/_includes/postlist.njk
@@ -6,7 +6,7 @@
 			<img src="/img/{{ post.data.image.src }}" alt="{{ post.data.image.alt }}">
 			{% endif %}
 			<h2>{{ post.data.title }}</h2>
-			<ul class="posttags">
+			<ul class="postlist-tags">
 				{% for tag in post.data.tags | removeBasicTags %}
 				<li>{{ tag }}</li>
 				{% endfor %}
diff --git a/css/main.css b/css/main.css
index db709da..42d6b0d 100644
--- a/css/main.css
+++ b/css/main.css
@@ -69,11 +69,17 @@ body {
 
 main {
 	width: 60vw;
-	max-width: 1200px;
+	max-width: 1000px;
 	margin: 0 auto;
 	scroll-margin-top: var(--header-offset);
 }
 
+@media (max-width: 1050px) {
+	main {
+		width: 75vw;
+	}
+}
+
 @media (max-width: 650px) {
 	main {
 		width: 92vw;
diff --git a/css/nav.css b/css/nav.css
index 5dd6227..aa3f869 100644
--- a/css/nav.css
+++ b/css/nav.css
@@ -18,7 +18,7 @@ header a {
 	box-shadow: .15rem .15rem var(--color-shadow);
 	font-size: 1.2rem;
 	padding-right: .35rem;
-	/* click animation handling */
+	/* Click animation handling */
 	position: relative;
 	top: 0;
 	left: 0;
@@ -133,6 +133,11 @@ header ul {
 	justify-content: center;
 }
 
+header ul,
+header li {
+	margin: 0;
+}
+
 @media (max-width: 650px) {
 	.menu-text {
 		display: none; /* Icons only on small screens */
diff --git a/css/post.css b/css/post.css
new file mode 100644
index 0000000..2cb3af1
--- /dev/null
+++ b/css/post.css
@@ -0,0 +1,75 @@
+.post-metadata {
+	display: flex;
+	flex-flow: row wrap;
+	justify-content: space-between;
+	align-items: baseline;
+	margin: 1.5rem 0 .5rem;
+}
+
+.post-metadata p {
+	font-size: .9rem;
+	margin: 0;
+}
+
+.post-tags {
+	display: flex;
+	flex-flow: row wrap;
+	gap: .5rem;
+	list-style: none;
+	margin: 0;
+}
+
+.post-tags li {
+	margin: 0;
+}
+
+.post-tags li a {
+	text-decoration: none;
+	color: var(--color-teal);
+	padding: 0 .5rem;
+	border-radius: 1rem;
+	box-shadow: .15rem .15rem var(--color-shadow);
+	border: .08rem solid var(--color-teal);
+	line-height: 2;
+	/* Click animation handling */
+	position: relative;
+	top: 0;
+	left: 0;
+	transition: top .1s ease-in, left .1s ease-in;
+}
+
+.post-tags li a:focus-visible {
+	outline: none;
+	background-color: var(--color-teal);
+	color: var(--color-bg);
+}
+
+@media (any-hover: hover) {
+	.post-tags li a:hover {
+		outline: none;
+		background-color: var(--color-teal);
+		color: var(--color-bg);
+	}
+}
+
+@media (forced-colors: active) {
+	.post-tags li a:focus-visible {
+		outline-offset: .08rem;
+		outline: .08rem solid;
+	}
+
+	@media (any-hover: hover) {
+		.post-tags li a:hover {
+			outline-offset: .08rem;
+			outline: .08rem solid;
+		}
+	}
+}
+
+/* Click animation */
+.post-tags li a:active {
+	top: .1rem;
+	left: .1rem;
+	box-shadow: .05rem .05rem var(--color-shadow);
+}
+
diff --git a/css/postlist.css b/css/postlist.css
index 6b030b8..ad32449 100644
--- a/css/postlist.css
+++ b/css/postlist.css
@@ -49,7 +49,7 @@
 	margin: 2rem 0;
 	text-decoration: none;
 	border-color: var(--color-primary);
-	/* click animation handline */
+	/* Click animation handling */
 	position: relative;
 	top: 0;
 	left: 0;
@@ -98,7 +98,7 @@
 	margin: 0;
 }
 
-/* h2 */
+/* Headers */
 .post h2 {
 	grid-area: h2;
 	padding: .25rem .5rem;
@@ -131,7 +131,7 @@
 }
 
 /* Tags */
-.posttags {
+.postlist-tags {
 	grid-area: tags;
 	list-style: none;
 	display: flex;
@@ -140,28 +140,28 @@
 	padding: .5rem;
 }
 
-.post:nth-child(odd) .posttags {
+.post:nth-child(odd) .postlist-tags {
 	justify-content: flex-end;
 }
 
-.post:nth-child(odd) .posttags {
+.post:nth-child(odd) .postlist-tags {
 	justify-content: flex-start;
 }
 
-.posttags li {
+.postlist-tags li {
 	background-color: var(--color-primary);
 	color: var(--color-bg);
 	padding: 0 .5rem;
 	border-radius: 1rem;
 }
 
-.postlink:focus-visible .posttags li {
+.postlink:focus-visible .postlist-tags li {
 	background-color: var(--color-bg);
 	color: var(--color-primary);
 }
 
 @media (any-hover: hover) {
-	.postlink:hover .posttags li {
+	.postlink:hover .postlist-tags li {
 		background-color: var(--color-bg);
 		color: var(--color-primary);
 	}
diff --git a/eleventy.config.js b/eleventy.config.js
index a078fe4..4e3975e 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -3,20 +3,46 @@ import eleventyNavigationPlugin from "@11ty/eleventy-navigation";
 import { feedPlugin } from "@11ty/eleventy-plugin-rss";
 import syntaxHighlight from "@11ty/eleventy-plugin-syntaxhighlight";
 import { attrs } from "@mdit/plugin-attrs";
+import { chunk } from "lodash-es";
+
+import pluginFilters from "./_config/filters.js";
 
 export default async function(eleventyConfig) {
 	/* Markdown HTML attribute parsing */
 	eleventyConfig.amendLibrary("md", (mdLib) => mdLib.use(attrs));
 
-	/* Filters */
-	eleventyConfig.addFilter("removeBasicTags", (tags) => {
-		return tags.filter(tag => ["all", "posts", "gallery", "reference"].indexOf(tag) === -1);
+	/* Collections */
+	/* Tag pagination */
+	eleventyConfig.addCollection("tagPagination", function(collection) {
+		let tagSet = new Set(collection.getAllSorted().flatMap((post) => post.data.tags || []));
+
+		let paginationSize = 13;
+		let tagMap = [];
+		let tagArray = [...tagSet];
+		for( let tagName of tagArray) {
+			let tagItems = collection.getFilteredByTag(tagName);
+			let pagedItems = chunk(tagItems.reverse(), paginationSize);			// console.log( tagName, tagItems.length, pagedItems.length );
+			for( let pageNumber = 0, max = pagedItems.length; pageNumber < max; pageNumber++) {
+				tagMap.push({
+					tagName: tagName,
+					pageNumber: pageNumber,
+					pageSize: pagedItems.length,
+					pageData: pagedItems[pageNumber]
+				});
+			}
+		}
+
+		//console.log( tagMap );
+		return tagMap;
 	});
 
 	/* Passthroughs */
 	eleventyConfig.addPassthroughCopy({"css": "assets/css"});
 
 	/* Plugins */
+	/* All filters from _config/filters.js */
+	eleventyConfig.addPlugin(pluginFilters);
+
 	/* RSS */
 	eleventyConfig.addPlugin(feedPlugin, {
 		type: "atom", // or "rss", "json"
@@ -43,7 +69,7 @@ export default async function(eleventyConfig) {
 		formats: ["auto"],
 
 		// output image widths
-		widths: [800],
+		widths: [1000],
 
 		// optional, attributes assigned on <img> nodes override these values
 		htmlOptions: {
diff --git a/package-lock.json b/package-lock.json
index cf0deee..b97177c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,9 @@
         "@11ty/eleventy-navigation": "^1.0.5",
         "@11ty/eleventy-plugin-rss": "^2.0.4",
         "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.2",
-        "@mdit/plugin-attrs": "^0.24.2"
+        "@mdit/plugin-attrs": "^0.24.2",
+        "lodash-es": "^4.17.23",
+        "luxon": "^3.7.2"
       }
     },
     "node_modules/@11ty/dependency-tree": {
@@ -1794,6 +1796,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/lodash-es": {
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.23.tgz",
+      "integrity": "sha512-kVI48u3PZr38HdYz98UmfPnXl2DXrpdctLrFLCd3kOx1xUkOmpFPx7gCWWM5MPkL/fD8zb+Ph0QzjGFs4+hHWg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/luxon": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/luxon/-/luxon-3.7.2.tgz",
diff --git a/package.json b/package.json
index d3f70df..7349b66 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,8 @@
     "@11ty/eleventy-navigation": "^1.0.5",
     "@11ty/eleventy-plugin-rss": "^2.0.4",
     "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.2",
-    "@mdit/plugin-attrs": "^0.24.2"
+    "@mdit/plugin-attrs": "^0.24.2",
+    "lodash-es": "^4.17.23",
+    "luxon": "^3.7.2"
   }
 }
diff --git a/src/meta/404.md b/src/meta/404.md
new file mode 100644
index 0000000..e92c5d9
--- /dev/null
+++ b/src/meta/404.md
@@ -0,0 +1,9 @@
+---
+layout: page.njk
+permalink: 404.html
+eleventyExcludeFromCollections: true
+---
+
+# Sorry, can't find that
+
+Head [home](/).
diff --git a/src/feed.xml b/src/meta/feed.xml
similarity index 100%
rename from src/feed.xml
rename to src/meta/feed.xml
diff --git a/src/meta/sitemap.xml b/src/meta/sitemap.xml
new file mode 100644
index 0000000..554a946
--- /dev/null
+++ b/src/meta/sitemap.xml
@@ -0,0 +1,16 @@
+---
+permalink: sitemap.xml
+eleventyExcludeFromCollections: true
+---
+<?xml version="1.0" encoding="utf-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
+{% for page in collections.all %}
+	{% if page.data.permalink != false %}
+		{% set absoluteUrl %}{{ page.url | htmlBaseUrl(metadata.url) }}{% endset %}
+		<url>
+			<loc>{{ absoluteUrl }}</loc>
+			<lastmod>{{ page.date | htmlDateString }}</lastmod>
+		</url>
+	{% endif %}
+{% endfor %}
+</urlset>
diff --git a/src/pages/colophon.md b/src/pages/colophon.md
index 3ac7634..bc0dd9c 100644
--- a/src/pages/colophon.md
+++ b/src/pages/colophon.md
@@ -17,3 +17,5 @@ This site is created [without the use of generative AI](https://declare-ai.org/1
 You can [find the accessibility statement for leecat.art here](/accessibility).
 
 If you'd like, you can view the [site palette](/palette) or the [style overview](/style).
+
+[The sitemap can be found here](/sitemap.xml).
diff --git a/src/pages/tag-pages.njk b/src/pages/tag-pages.njk
new file mode 100644
index 0000000..34bd346
--- /dev/null
+++ b/src/pages/tag-pages.njk
@@ -0,0 +1,24 @@
+---
+pagination:
+  data: collections.doublePagination
+  size: 1
+  alias: tag
+eleventyComputed:
+  permalink: /tag/{{ tag.tagName | slugify }}/{% if tag.pageNumber %}{{ tag.pageNumber + 1 }}/{% endif %}
+  title: "Posts tagged {{ tag.tagName }}"
+---
+{% set postlist = tag.pageData %}
+{% include "postlist.njk" %}
+
+{% if tag.pageNumber > 0 or tag.pageNumber < tag.pageSize - 1 %}
+<nav aria-label="pagination">
+  <ol class="pagination">
+    {% if tag.pageNumber > 0 %}
+    <li class="prev"><a href="{{ pagination.href.previous }}"><< Previous</a></li>
+    {% endif %}
+    {% if tag.pageNumber < tag.pageSize - 1 %}
+    <li class="next"><a href="{{ pagination.href.next }}">Next >></a></li>
+    {% endif %}
+  </ol>
+</nav>
+{% endif %}
diff --git a/src/posts/2026/2026-02-17-sample.md b/src/posts/2026/2026-02-17-sample.md
index 704eb35..6cd1ff2 100644
--- a/src/posts/2026/2026-02-17-sample.md
+++ b/src/posts/2026/2026-02-17-sample.md
@@ -2,8 +2,6 @@
 title: Sample
 date: 2026-02-17
 tags:
-  - some
-  - tags
   - gallery
 image:
   src: 2026/sample-0.jpg