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Add dark mode #7 #17

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f2bdce8
Add dark mode #7
georgiybza Jun 29, 2026
fc832e8
Remove unnecessary Notes.txt file
georgiybza Jun 29, 2026
a34ae08
Tweak canvas and surface colouring
georgiybza Jul 2, 2026
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52 changes: 36 additions & 16 deletions src/components/Header.astro
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
---
import { Icon } from 'astro-icon/components';
const navLinks = [
{ href: '/projects', label: 'Projects' },
{ href: '/webring', label: 'Webring' },
Expand All @@ -11,21 +12,40 @@ const path = Astro.url.pathname;
<a href="/projects" class="text-lg font-bold tracking-tight">
Carleton Computer Science <span class="text-accent">Showcase</span>
</a>
<nav class="flex gap-5 text-sm">
{
navLinks.map(({ href, label }) => (
<a
href={href}
aria-current={path.startsWith(href) ? 'page' : undefined}
class:list={[
'hover:text-accent transition-colors',
path.startsWith(href) ? 'text-accent' : 'text-muted',
]}
>
{label}
</a>
))
}
</nav>
<div class="grouped flex items-center gap-5">
<nav class="flex gap-5 text-sm">
{
navLinks.map(({ href, label }) => (
<a
href={href}
aria-current={path.startsWith(href) ? 'page' : undefined}
class:list={[
'hover:text-accent transition-colors',
path.startsWith(href) ? 'text-accent' : 'text-muted',
]}
>
{label}
</a>
))
}
</nav>
<button
id="theme-toggle"
type="button"
aria-label="Toggle dark mode"
class="text-muted hover:text-accent inline-flex items-center justify-center transition-colors"
>
<!-- Import Lucide Icons -->
<Icon name="lucide:sun" class="hidden size-5 dark:inline" />
<Icon name="lucide:moon" class="size-5 dark:hidden" />
</button>
</div>
</div>
</header>

<script is:inline>
document.getElementById('theme-toggle')?.addEventListener('click', () => {
const isDark = document.documentElement.classList.toggle('dark');
localStorage.setItem('theme', isDark ? 'dark' : 'light');
});
</script>
10 changes: 10 additions & 0 deletions src/layouts/Base.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,16 @@ const {

<html lang="en">
<head>
<!-- Checks whether user set to dark mode or prefers-color-scheme is dark -->
<script is:inline>
const saved = localStorage.getItem('theme');
if (
saved === 'dark' ||
(!saved && matchMedia('(prefers-color-scheme: dark)').matches)
) {
document.documentElement.classList.add('dark');
}
</script>
<meta charset="utf-8" />
<!-- Favicon: add files to public/ then uncomment (favicon ticket)
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
Expand Down
11 changes: 11 additions & 0 deletions src/styles/global.css
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
@import 'tailwindcss';
@custom-variant dark (&:where(.dark, .dark *));

/*
* Design tokens (Carleton theme, light mode).
Expand Down Expand Up @@ -29,6 +30,16 @@
--radius-card: 0.75rem;
}

html.dark {
--color-canvas: #1b1b1b; /* Carleton black — page background */
--color-surface: #242526; /* cards, panels — a step lighter than canvas */
--color-ink: #f4f3f1; /* primary text — the light off-white */
--color-muted: #9a9a9a; /* secondary text */
--color-accent: #ff3b3b; /* slightly brightened Carleton red for dark bg */
--color-accent-contrast: #ffffff; /* text/icons on an accent fill */
--color-line: #2c2c2c; /* borders, dividers */
}

@layer base {
html {
background-color: var(--color-canvas);
Expand Down
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