Give the GK monogram a light mode version

In light mode the header, footer and post placeholders show the monogram
on a pale disc with deep gold rings and ink letters, with a soft edge so
it sits apart from the Starlight page. The light file is written by the
light motifs script.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012aSbo2D1qP8cMFQCykf7kx

packages/ui/scripts/light-motifs.mjs

@@ -1,7 +1,8 @@
 /**
  * Writes the light and foil versions of the motif SVGs from the dark originals
  * in src/assets/motifs, using the inks Greg picked on the light motif board
- * (2026-10-18). Run after a motif changes: node packages/ui/scripts/light-motifs.mjs
+ * (2026-10-18), and the light GK monogram in src/assets/brand/light. Run after
+ * a motif or the monogram changes: node packages/ui/scripts/light-motifs.mjs
  *
  *   light/       deep gold line: the dark inks swapped for Starlight-page inks, glow removed
  *   foil/        the dark seal with its gold as foil, glow kept
@@ -63,3 +64,15 @@ for (const f of files) {
   }
 }
 console.log(`${files.length} motifs written`);
+
+// The GK monogram on Starlight: a pale disc, deep gold rings and ink letters.
+const MONOGRAM = {
+  ...LIGHT,
+  "#131C2B": "#FFFFFF",
+  "#1F3B49": "#ECE6D8",
+  "#15232F": "#FBF9F4",
+};
+const brand = join(dir, "../brand");
+mkdirSync(join(brand, "light"), { recursive: true });
+writeFileSync(join(brand, "light", "gk-monogram.svg"), recolor(readFileSync(join(brand, "gk-monogram.svg"), "utf8"), MONOGRAM));
+console.log("monogram written");

packages/ui/src/components/SiteFooter.astro

@@ -2,12 +2,13 @@
 /** The site footer: the header divider again, then the monogram line and links. */
 import monogram from "../assets/brand/gk-monogram.svg?url";
 import Divider from "./Divider.astro";
+import Motif from "./Motif.astro";
 const year = new Date().getFullYear();
 ---
 <footer class="gk-site-footer">
   <div class="gk-wrap"><Divider seed="footer" /></div>
   <div class="gk-wrap row">
-    <span class="mark"><img src={monogram} alt="" width="40" height="40" />© {year} Greg Kilmer · Web Development · a Patiun LLC company</span>
+    <span class="mark"><Motif src={monogram} alt="" width="40" height="40" />© {year} Greg Kilmer · Web Development · a Patiun LLC company</span>
     <span class="links">
       <a href="/inquiries" class="gk-text strong">Start an inquiry</a>
       <a href="/about" class="gk-text gk-quiet">About</a>
@@ -37,6 +38,12 @@ const year = new Date().getFullYear();
     align-items: center;
     gap: 12px;
   }
+  .mark :global(img) {
+    border-radius: 50%;
+  }
+  :global(:root[data-theme="light"]) .mark :global(img) {
+    box-shadow: 0 1px 3px rgba(19, 28, 43, 0.14);
+  }
   .links {
     display: flex;
     flex-wrap: wrap;

packages/ui/src/components/SiteHeader.astro

@@ -38,7 +38,7 @@ const decs = [60, 30, 0, -30].map((d, i) => ({ at: (i / 4) * 100, label: `${d >
     store ? (
       <nav aria-label="Store" class="nav">
         <a href="/store" class="brand" aria-current={store.current === "/store" ? "page" : undefined}>
-          <img src={monogram} alt="" width="72" height="72" class="mono" />
+          <Motif src={monogram} alt="" width="72" height="72" class="mono" loading="eager" />
           <span class="words">
             <span class="name store-name">Store.GregKilmer.com</span>
             <span class="store-tag">a Patiun LLC workshop</span>
@@ -54,7 +54,7 @@ const decs = [60, 30, 0, -30].map((d, i) => ({ at: (i / 4) * 100, label: `${d >
     ) : (
       <nav aria-label="Primary" class="nav">
         <a href="/" class="brand" aria-current={aria("home")}>
-          <img src={monogram} alt="" width="72" height="72" class="mono" />
+          <Motif src={monogram} alt="" width="72" height="72" class="mono" loading="eager" />
           <span class="words">
             <span class="name">GREG KILMER</span>
             <span class="tag">DEVELOPER<Star size={8} tone="teal" />MAKER<Star size={8} tone="teal" />STORYTELLER</span>
@@ -160,6 +160,10 @@ const decs = [60, 30, 0, -30].map((d, i) => ({ at: (i / 4) * 100, label: `${d >
     border-radius: 50%;
     transition: filter 0.25s ease;
   }
+  /* On Starlight the pale disc needs a soft edge to sit apart from the page. */
+  :global(:root[data-theme="light"]) .mono {
+    box-shadow: 0 1px 4px rgba(19, 28, 43, 0.14);
+  }
   .brand:hover .mono,
   .brand:focus-visible .mono {
     filter: drop-shadow(0 0 6px rgba(var(--gk-gold-bright-rgb), 0.7)) drop-shadow(0 0 16px rgba(var(--gk-teal-rgb), 0.45));

packages/ui/src/components/seals.ts

@@ -46,10 +46,16 @@ export type SealName = keyof typeof seals;
 
 export { filamentBanner };
 
-// Light mode and foil versions, written by scripts/light-motifs.mjs.
+// Light mode and foil versions (and the light monogram), written by scripts/light-motifs.mjs.
 const byFile = (m: Record<string, string>) => Object.fromEntries(Object.entries(m).map(([p, u]) => [p.slice(p.lastIndexOf("/") + 1), u]));
-const darkFiles = byFile(import.meta.glob<string>("../assets/motifs/*.svg", { query: "?url", import: "default", eager: true }));
+const darkFiles = byFile({
-const lightFiles = byFile(import.meta.glob<string>("../assets/motifs/light/*.svg", { query: "?url", import: "default", eager: true }));
+  ...import.meta.glob<string>("../assets/motifs/*.svg", { query: "?url", import: "default", eager: true }),
+  ...import.meta.glob<string>("../assets/brand/gk-monogram.svg", { query: "?url", import: "default", eager: true }),
+});
+const lightFiles = byFile({
+  ...import.meta.glob<string>("../assets/motifs/light/*.svg", { query: "?url", import: "default", eager: true }),
+  ...import.meta.glob<string>("../assets/brand/light/*.svg", { query: "?url", import: "default", eager: true }),
+});
 const foilFiles = byFile(import.meta.glob<string>("../assets/motifs/foil/*.svg", { query: "?url", import: "default", eager: true }));
 const foilLightFiles = byFile(import.meta.glob<string>("../assets/motifs/foil-light/*.svg", { query: "?url", import: "default", eager: true }));
 const fileOf = Object.fromEntries(Object.entries(darkFiles).map(([f, u]) => [u, f]));

services/site/src/components/blog/PostThumb.astro

@@ -4,6 +4,7 @@
  * monogram, which also stands in when there is no cover or it fails to load.
  */
 import monogram from "@gk/ui/assets/brand/gk-monogram.svg?url";
+import Motif from "@gk/ui/components/Motif.astro";
 
 interface Props {
   src?: string;
@@ -16,7 +17,7 @@ const { src, alt = "", width = 176, height = 120, class: className } = Astro.pro
 const mark = Math.round(Math.min(width, height) / 2);
 ---
 <span class:list={["thumb", className]} style={`--w:${width}px;--h:${height}px`}>
-  <img src={monogram} alt="" width={mark} height={mark} class="mono" aria-hidden="true" />
+  <Motif src={monogram} alt="" width={mark} height={mark} class="mono" aria-hidden="true" />
   {src && <img src={src} alt={alt} loading="lazy" decoding="async" class="photo" onerror="this.remove()" />}
 </span>
 

services/site/src/components/home/StatusRow.astro

@@ -7,6 +7,7 @@
 import monogram from "@gk/ui/assets/brand/gk-monogram.svg?url";
 import Chip from "@gk/ui/components/Chip.astro";
 import Icon from "@gk/ui/components/Icon.astro";
+import Motif from "@gk/ui/components/Motif.astro";
 import Star from "@gk/ui/components/Star.astro";
 import type { StatusView } from "../../lib/home.ts";
 import { formatDate, type SiteIndex } from "../../lib/site.ts";
@@ -25,7 +26,7 @@ const postHref = post ? s.href(post) : null;
       <img src={v.cover} alt="" class="thumb photo" loading="lazy" decoding="async" width="56" height="56" />
     ) : (
       <span class="thumb tile" aria-hidden="true">
-        <img src={monogram} alt="" width="28" height="28" />
+        <Motif src={monogram} alt="" width="28" height="28" />
       </span>
     )
   }