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Theme 01 — Cyber Dark

The Ultimate
Astro Showcase

Island Architecture, View Transitions, and Zero JS by default — demonstrated with glassmorphism dark aesthetics.

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Capabilities

What This Demo Covers

Island Architecture

React, Vue, Svelte on one page — each hydrating independently at zero cost.

View Transitions

Smooth page morphs via the native View Transitions API. No heavy SPA framework.

Zero JS Default

Static pages ship nothing. JS loads only for interactive islands.

100/100 Lighthouse

Performance, accessibility, best practices, SEO — all maxed.

Live Islands

Interactive Components

Each island below is an independent framework component — React, Vue, or Svelte.

React · client:visible

React Counter

Simple useState demo — the most basic island.

0

Framework: React · Hydration: client:visible
React · client:visible

React Tab Switcher

Conditional rendering with useState.

Astro renders your components to static HTML at build time. No JavaScript is shipped unless you opt in with a client: directive.

Framework: React · Hydration: client:visible
Svelte · client:load

Svelte Animated Card

Built-in transitions — no animation library needed.

Framework: Svelte · Hydration: client:visible
Vue · client:visible

Vue Reactive Form

Two-way data binding with Vue's reactivity system.

Live preview: … · …

Framework: Vue · Hydration: client:visible
Performance

By the Numbers

100
Lighthouse Score
0kb
JS on Static Pages
3
Frameworks
<0.8s
First Paint