added header for blog post filter tags

src/lib/lists/blog-gallery.svelte

@@ -0,0 +1,131 @@
+<script lang="ts">
+    import { BlogPostTag, type BlogPostLink } from "../../routes/blog/posts";
+
+    let {
+        posts,
+    }: {
+        posts: BlogPostLink[];
+    } = $props();
+</script>
+
+<div class="entry-container">
+    {#each posts as post}
+        <a class="entry" href="{post.key}">
+            <div class="entry-banner-container">
+                <img class="entry-banner" src="{post.key}/{post.post.banner}" alt="{post.post.bannerAlt}">
+            </div>
+            <div class="entry-text-container">
+                <p class="entry-title">{post.post.title}</p>
+                <p class="entry-date">::&nbsp;{post.post.date}&nbsp;::</p>
+                <p class="entry-description">{post.post.description}</p>
+                <div class="entry-tag-container">
+                    {#each post.post.tags as tag}
+                        <span class="post-tag">{tag}</span>
+                    {/each}
+                </div>
+            </div>
+        </a>
+    {/each}
+</div>
+
+<style>
+    .entry-container {
+        display: grid;
+        /* gap: 8px; */
+        grid-template-columns: 1fr 1fr 1fr;
+    }
+
+    .entry {
+        margin: 0;
+        padding: 8px;
+        transition: background-color var(--duration-animation) var(--anim-curve),
+                    border-color var(--duration-animation) var(--anim-curve),
+                    backdrop-filter var(--duration-blur) var(--anim-curve),
+                    border-radius var(--duration-animation) var(--anim-curve);
+        border: var(--border-dash-size) var(--border-style) transparent;
+        text-decoration: none;
+        border-radius: 24px;
+    }
+
+    .entry:hover {
+        background-color: var(--color-background-highlight-alt);
+        border-color: var(--color-highlight-alt);
+        backdrop-filter: blur(var(--blur-radius-background));
+    }
+
+    .entry:hover .entry-banner {
+        scale: 1.2;
+    }
+
+    .entry:hover .entry-banner-container {
+        /* border-radius: 24px 24px 0 0; */
+        border-top-left-radius: 16px;
+        border-top-right-radius: 16px;
+        border-bottom-left-radius: 4px;
+        border-bottom-right-radius: 4px;
+    }
+
+    .entry-banner-container {
+        width: 100%;
+        height: 160px;
+        overflow: hidden;
+        display: flex;
+        justify-content: center;
+        transition: border-radius var(--duration-animation) var(--anim-curve);
+    }
+
+    .entry-banner {
+        width: 100%;
+        object-fit: cover;
+        transition: scale var(--duration-animation) var(--anim-curve);
+    }
+
+    .entry-text-container {
+        display: flex;
+        flex-direction: column;
+        margin: 16px 2px 2px;
+        /* gap: 8px; */
+    }
+
+    .entry-title {
+        font-family: var(--font-mono);
+        font-weight: 700;
+        font-size: 1.2rem;
+        line-height: 1.4rem;
+        margin: 0;
+    }
+
+    .entry-date {
+        font-size: 0.8rem;
+        line-height: 0.8rem;
+        font-weight: 600;
+        margin: 4px 0 0 0;
+        font-family: var(--font-mono);
+        color: var(--color-text-highlight-alt);
+    }
+
+    .entry-description {
+        font-size: 1.0rem;
+        line-height: 1.2rem;
+        margin: 4px 0 8px;
+    }
+
+    .entry-tag-container {
+        display: flex;
+        gap: 4px;
+        flex-direction: row;
+        flex-wrap: wrap;
+    }
+
+    @media screen and (max-width: 900px) {
+        .entry-container {
+            grid-template-columns: 1fr 1fr;
+        }
+    }
+
+    @media screen and (max-width: 600px) {
+        .entry-container {
+            grid-template-columns: 1fr;
+        }
+    }
+</style>

src/routes/+layout.svelte

@@ -97,6 +97,10 @@
             --color-text-secondary: #b0b0b0;
             --color-text-img: invert(98%) sepia(1%) saturate(4643%) hue-rotate(297deg) brightness(115%) contrast(76%);
             --color-text-dark: #1e1e1e;
+
+            --color-text-highlight: color-mix(in srgb, var(--color-highlight) 70%, var(--color-text));
+            --color-text-highlight-alt: color-mix(in srgb, var(--color-highlight-alt) 70%, var(--color-text));
+
             --color-highlight: #51B86B;
             --color-highlight-dark: color-mix(in srgb, var(--color-highlight) 60%, black);
             --color-highlight-alt: #d03b4a;
@@ -105,8 +109,9 @@
 
             --color-background: #111111;
             --color-background-highlight: color-mix(in srgb, var(--color-highlight) 20%, transparent);
-            --color-background-highlight-alt: color-mix(in srgb, var(--color-highlight-alt) 20%, transparent);
+            --color-background-highlight-alt: color-mix(in srgb, var(--color-highlight-alt) 30%, transparent);
             --color-background-highlight-hover: color-mix(in srgb, var(--color-highlight) 60%, transparent);
+            --color-background-highlight-hover-alt: color-mix(in srgb, var(--color-highlight-alt) 66%, transparent);
             --color-background-highlight-hover-dark: color-mix(in srgb, var(--color-highlight-dark) 60%, transparent);
             
             --color-waters: #242424;

src/routes/blog/+layout.svelte

@@ -0,0 +1,20 @@
+<script>
+    let { children } = $props();
+</script>
+
+{@render children()}
+
+<style>
+    :global {
+        .post-tag {
+            font-family: var(--font-mono);
+            font-size: 0.8rem;
+            background-color: var(--color-background-highlight-alt);
+            margin: 0;
+            padding: 4px;
+            border-radius: 8px;
+            line-height: 1rem;
+            font-weight: 600;
+        }
+    }
+</style>

src/routes/blog/+page.svelte

@@ -1,25 +1,24 @@
 <script lang="ts">
     import Banner2 from "$lib/banner2.svelte";
     import Content from "$lib/viewport/content.svelte";
-    import Gallery, { type GalleryEntry } from "$lib/lists/gallery.svelte";
-    import { posts, type BlogPostLink } from "./posts";
+    import { BlogPostTag, posts, type BlogPostLink } from "./posts";
+    import BlogGallery from "$lib/lists/blog-gallery.svelte";
 
-    let entries: GalleryEntry[] = posts.map(mapEntries);
+    let filter = $state(BlogPostTag.NULL);
 
-    function mapEntries(entry: BlogPostLink, index: number): GalleryEntry {
-        let banner = "";
-        if (entry.post.banner && entry.post.banner !== "") {
-            banner = `/blog/${entry.key}/${entry.post.banner}`;
+    function setFilter(tag: BlogPostTag) {
+        filter = tag;
+        console.log(filter);
+    }
+
+    function filterPosts(): BlogPostLink[] {
+        if (filter == BlogPostTag.NULL) {
+            return posts;
         }
 
-        return {
-            title: `${entry.post.title}`,
-            subtitle: `#${(posts.length - index).toString().padStart(2, '0')} // ${entry.post.date}, ${entry.post.time}`,
-            img: banner,
-            link: `/blog/${entry.key}/`,
-            imgAlt: `Preview image for ${entry.post.title}`,
-            description: entry.post.description,
-        };
+        let a: BlogPostLink[] = posts.filter((post) => post.post.tags.includes(filter))
+        console.log(a);
+        return a;
     }
 </script>
 
@@ -33,5 +32,63 @@
         banner="robert.webp"
         bannerAlt="View at a tram bridge rising and then curving to the left." />
 
-    <Gallery entries={entries} />
+    <!-- TODO descriptions on filter click -->
+    <p class="tag-filter-header"># filter posts by tag:</p>
+    <div class="tag-filter-container">
+        {#each Object.values(BlogPostTag) as tag}
+            {#if tag == filter}
+                <button class="post-tag tag-filter tag-filter-selected" onclick={() => { setFilter(tag) }}>{tag}</button>
+            {:else}
+                <button class="post-tag tag-filter" onclick={() => { setFilter(tag) }}>{tag}</button>
+            {/if}
+        {/each}
+    </div>
+
+    <BlogGallery posts={filterPosts()} />
 </Content>
+
+<style>
+    .tag-filter-header {
+        font-family: var(--font-mono);
+        font-size: 0.9rem;
+        /* margin-left: 10px;    
+        margin-right: 10px; */
+        margin: 12px 10px 4px;
+        color: var(--color-text-highlight-alt);
+    }
+
+    .tag-filter-container {
+        display: flex;
+        gap: 8px 12px;
+        margin: 0 10px 8px;
+        flex-wrap: wrap;
+    }
+
+    .tag-filter {
+        width: fit-content;
+        font-size: 0.9rem;
+        color: var(--color-text);
+        padding: 8px;
+        border-radius: 12px;
+        cursor: pointer;
+        transition: background-color var(--duration-animation) var(--anim-curve);
+    }
+
+    .tag-filter-selected {
+        background-color: var(--color-highlight-alt);
+    }
+
+    .tag-filter:hover {
+        background-color: var(--color-background-highlight-hover-alt);
+    }
+
+    @media screen and (max-width: 600px) {
+        .tag-filter-container {
+            gap: 8px;
+        }
+
+        .tag-filter {
+            font-size: 0.8rem;
+        }
+    }
+</style>

src/routes/blog/posts.ts

@@ -14,6 +14,8 @@ export interface BlogPostDetails {
 	 * Description to be used in page's metadata.
 	 */
 	description: string;
+
+	tags: BlogPostTag[];
 }
 
 export interface BlogPostLink {
@@ -21,6 +23,15 @@ export interface BlogPostLink {
 	post: BlogPostDetails;
 }
 
+export enum BlogPostTag {
+	NULL = "all", // placeholder when a 'no tag' is needed. if in doubt, do not use this
+	ART = "art-stuff", // ramblings to do with art
+	DRAWING = "drawing", // self-explanatory
+	IMADETHIS = "i-made-this", // stuff i made
+	META = "natconf-meta", // about the website itself
+	TECH_TIP = "tech-tip", // tech guides
+}
+
 
 export const posts: BlogPostLink[] = [
 	{
@@ -32,6 +43,9 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "White light blurs on a darker background.",
 			title: "Moving On",
 			description: "It's time to switch domains.",
+			tags: [
+				BlogPostTag.META,
+			],
 		}
 	},
 	{
@@ -43,6 +57,9 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "A sunset captured from an Autobahn exit.",
 			title: "I made a LIGHTYEARS font",
 			description: "I feel electric and it's only getting brighter!",
+			tags: [
+				BlogPostTag.IMADETHIS,
+			],
 		}
 	},
 	{
@@ -54,6 +71,9 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "A Microsoft Surface Pro 8 displaying a Blue Screen of Death.",
 			title: "How To: Set Up SvelteKit Frontend + PostgreSQL Backend",
 			description: "How to set up a web application with a backend on a remote server without getting error 403.",
+			tags: [
+				BlogPostTag.TECH_TIP,
+			],
 		}
 	},
 	{
@@ -62,9 +82,13 @@ export const posts: BlogPostLink[] = [
 			date: "2026-02-14",
 			time: "19:46",
 			banner: "logins.webp",
-			bannerAlt: "A curved stick from a tree with some dry leaves attached. Its form resembles an entity with two legs, a spine, and no arms, leaning over and looking sad.",
+			bannerAlt: "A screenshot of a terminal emulator logged onto a remote server displaying log messages. The messages all display different IP addresses unsuccessfully attempting to log in with different usernames. There are over a dozen requests within a single minute on February 14, 2026.",
 			title: "SSH Woes",
 			description: "About how I was shocked to learn that my server was open for attacks for well over a year.",
+			tags: [
+				BlogPostTag.META,
+				BlogPostTag.TECH_TIP,
+			],
 		}
 	},
 	{
@@ -76,6 +100,9 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "A curved stick from a tree with some dry leaves attached. Its form resembles an entity with two legs, a spine, and no arms, leaning over and looking sad.",
 			title: "Am I doing too much?",
 			description: "I'm trying to pursue too many hobbies all at once and it's a struggle.",
+			tags: [
+				BlogPostTag.ART,
+			],
 		}
 	},
 	{
@@ -87,6 +114,11 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "A Leuchtturm-branded notebook with a copper-coloured cover. An eraser, a pencil sharpener, and a Faber-Castell pencil are lying on top.",
 			title: "Drawing Challenge",
 			description: "Challenging myself to draw something every day for 4 weeks.",
+			tags: [
+				BlogPostTag.ART,
+				BlogPostTag.DRAWING,
+				BlogPostTag.IMADETHIS,
+			],
 		}
 	},
 	{
@@ -98,6 +130,9 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "Colossus standing in the National Museum of Computing in Bletchley, UK",
 			title: "Lessons Learned",
 			description: "A small note about how you should always check whether your finished work works as intended.",
+			tags: [
+				BlogPostTag.META,
+			],
 		}
 	},
 	{
@@ -109,6 +144,11 @@ export const posts: BlogPostLink[] = [
 			bannerAlt: "A small drawing of an anime-style girl's head.",
 			title: "Limitations",
 			description: "Something about how boundaries can foster creativity.",
+			tags: [
+				BlogPostTag.ART,
+				BlogPostTag.DRAWING,
+				BlogPostTag.IMADETHIS,
+			],
 		}
 	},
 ];