132 lines
6.1 KiB
Markdown
132 lines
6.1 KiB
Markdown
# Blowfish
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A clean, minimal theme for [Bludit](https://www.bludit.com) inspired by the
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[Blowfish](https://blowfish.page/) Hugo theme.
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## Features
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- **Five-theme swatch picker** — Light, Dark, Nord, Dracula, Catppuccin. Choice persists via `localStorage` + cookie (no flash on next load); falls back to OS preference.
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- **Monochrome base design** — restrained grayscale palette with crisp Inter typography (self-hosted, no Google Fonts).
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- **Profile hero** — circular avatar, site title, slogan and social links on the homepage.
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- **Sticky Table of Contents** — articles with `h2`/`h3`/`h4` headings get a left sidebar ToC that sticks while scrolling and highlights the active section. Layout switches to 3-column with a wider container. A floating button opens a drawer on mobile.
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- **Smart right sidebar** — shows only About / Categories / Hit Counter on the homepage; full plugin set on article pages.
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- **Client-side search overlay** — `/` key or navbar button; searches titles, descriptions and tags client-side.
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- **Keyboard shortcuts** — `/` (search), `g h` (go home), `t` (back to top), `Esc` (close overlay).
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- **Randomized navigation** — the Navigation/Pages plugin list is shuffled on every load.
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- **Reading time & dates** shown on the post list and single posts.
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- **Post-list excerpts** — the page description renders as a 2-line excerpt; tags are capped at 5 with a `+N` badge.
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- **Older / newer post navigation** — chronological links under every article, above the related posts.
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- **Social icons** in the navbar and hero (SVG files in `img/`).
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- **Tags & categories** rendered as pill badges.
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- **Image lightbox** — clicking any article image opens it full-screen with a dark overlay and zoom hint.
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- **Image carousel** — ` ```carousel ` fenced block, one image per line (markdown syntax or bare URL with optional `| caption`).
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- **Tabbed code blocks** — ` ```tabs ` fenced block with `[Tab Name]` or `@tab Name` headers.
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- **Code block header bar** — language label + copy-to-clipboard button on every code block.
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- **Callout/admonition boxes** — `> [!NOTE]`, `> [!TIP]`, `> [!WARNING]`, `> [!DANGER]`, `> [!IMPORTANT]`.
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- **Series navigation** — posts tagged `series-*` display an ordered series box.
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- **SEO** — Open Graph, Twitter Card, JSON-LD (WebSite, Article, BreadcrumbList, sameAs), canonical URL, theme-color meta, cover-image preload. Duplicate OG/Twitter/canonical tags emitted by Bludit plugins are stripped automatically.
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- **Accessibility** — skip link, ARIA labels, `:focus-visible`, heading anchor links, print stylesheet.
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- **PWA** — web app manifest included.
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- Fully responsive; no jQuery, no Bootstrap JS, no webfont requests.
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## Installation
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1. Clone or copy this repository into your Bludit `bl-themes/` directory:
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```
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bl-themes/bludit-blowfish/
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```
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2. In the Bludit admin panel go to **Settings → Themes** and activate **Blowfish**.
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3. Add your assets to `img/`:
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- Your avatar as `spleenftw.jpeg` — used in the homepage hero and the article sidebar card.
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To change the filename, update `php/sidebar.php` and `php/home.php`.
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## Layout
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```
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bludit-blowfish/
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├── index.php Main template (layout, sidebar logic, JS config)
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├── metadata.json Theme metadata
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├── manifest.webmanifest
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├── css/
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│ └── style.css All styles (CSS custom properties, 5 themes)
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├── js/
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│ └── blowfish.js Deferred JS bundle (ToC, lightbox, carousel, search, …)
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├── php/
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│ ├── head.php <head>, fonts, favicon, anti-FOUC theme script
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│ ├── navbar.php Navbar, social icons, theme-picker dropdown
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│ ├── home.php Profile hero + post listing
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│ ├── page.php Single page/post
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│ ├── sidebar.php Right sidebar plugin container
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│ ├── toc.php Left ToC sidebar (article pages with headings)
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│ ├── footer.php Footer + search-index JSON
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│ └── icons.php Inline-SVG icon helper + shared PHP functions
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├── img/ Social SVG icons + avatar
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└── languages/ Translations (10 languages)
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```
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## Themes
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Each colour theme is a block of CSS custom properties. Light lives in `:root`; the others override it under `[data-theme="dark"]`, `[data-theme="nord"]`, `[data-theme="dracula"]` and `[data-theme="catppuccin"]`.
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The `data-theme` attribute is set on `<html>` before the first paint (in `php/head.php`) to avoid a flash. The navbar swatch picker updates it at runtime and persists the choice to `localStorage` and a cookie.
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To add a new theme: add a variable block in `css/style.css`, register the theme name + background colour in `index.php` (`$blowfishThemeBg`), and add a swatch entry in `php/navbar.php`.
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## Table of Contents
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When an article's rendered HTML contains any `h2`, `h3` or `h4` headings, the layout automatically switches from 2-column to 3-column:
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```
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[ Left ToC (col-md-3) ] [ Article (col-md-6) ] [ Right sidebar (col-md-3) ]
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```
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The sidebar ToC is hidden on mobile; a floating button opens a slide-up drawer instead. The container switches to `.container-wide` (1400 px max-width) and the navbar widens to match via `body.has-toc .navbar .container`.
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## Tabbed code blocks
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Use a ` ```tabs ` fenced block. Delimit tabs with `[Tab Name]` (brackets) or `@tab Tab Name` (@ prefix):
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````
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```tabs
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[pgs01]
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root@pgs01:~# psql -c "SELECT …"
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[pgs02]
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root@pgs02:~# psql -c "SELECT …"
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```
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````
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## Image carousel
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Use a ` ```carousel ` fenced block. Each non-empty line is one slide. Accepts standard markdown image syntax or a bare URL with an optional `| caption`:
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````
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```carousel
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```
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````
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Supports swipe on touch devices.
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## Callout boxes
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```markdown
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> [!NOTE]
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> Useful information.
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> [!WARNING]
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> Something to watch out for.
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```
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Supported types: `NOTE`, `TIP`, `WARNING`, `DANGER`, `IMPORTANT`.
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## License
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[MIT](LICENSE)
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