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Link Preview

A page preview at a link: cover, domain, title and excerpt — instead of a screenshot a gradient keyed to the domain, so the component works offline.

  • hovercard
  • link
  • preview
  • article

Preview

1440pxHost theme

Use it with AI

  1. 1. Copy the link.
  2. 2. Write to your agent in your own words and drop the link into the sentence.
  3. 3. The agent opens the link and installs the component from the registry.

put this in the header: https://vibeui.ru/c/hovercard-002?lang=en

Подробнее об этом — a review of layout mistakesweb.dev.exampleДвенадцать ошибок вёрстки, которые видно с телефонаЧто ломается на узких экранах чаще всего: фиксированные ширины, шрифт меньше 16 пикселей, скрытый фокус и горизонтальная прокрутка у таблиц. — наведите, чтобы увидеть, куда она ведёт.

Show the full instructions

What the link says, spelled out. Use it when your agent cannot open links — paste this text instead.

# Install and place "hovercard-002" (Link Preview) from VibeUI

## 1. Install first — do not skip, do not recreate
Run this exact command before writing any code:
npx shadcn@latest add https://vibeui.ru/r/hovercard-002.json

Registry item: https://vibeui.ru/r/hovercard-002.json
Installs to: components/vibeui/hovercard-002.tsx (the exact path follows this project's components.json aliases).
npm dependencies: none.
Registry dependencies: none.

Install it from the registry. Do not recreate it from the description,
do not substitute a similar component from another library, and do not
rewrite it to match the project's existing style.

## 2. What it is
A page preview at a link: cover, domain, title and excerpt — instead of a screenshot a gradient keyed to the domain, so the component works offline.

A link preview card for a link in running text. Zero dependencies, one file, no client JS.

## 3. How to use it
import { Hovercard002 } from "@/components/vibeui/hovercard-002"

<Hovercard002
  anchorText="a review of layout mistakes"
  title="Twelve layout mistakes"
  domain="web.dev.example"
  href="/blog/layout"
/>

Read the installed file for the full prop list.

## 4. Where to place it
This is a small inline component. Put it exactly where the user asked,
inside the existing markup. Do not create a new page, section or
wrapper for it. If a similar control already sits in that spot,
replace it instead of adding a second one.

Placement: ___
(The user fills this line in. If it is still blank, ask where to put it
instead of guessing.)

## 5. Keep exactly as installed
- the local --vibeui-hovercard-002-* palette — do not swap it for your theme tokens
- binding the reveal to the link wrapper rather than the paragraph: otherwise the card pops up over any text
- opening on :focus-within — from the keyboard the card is otherwise invisible
- hiding with visibility rather than opacity alone: a transparent card still catches the pointer
- the clamps on the title and excerpt: long copy turns the card into an article
- the paragraph's own light surface: without it the dark text disappears on a dark background

## 6. You may change
- the link text through anchorText and the target through href
- the title through title and the excerpt through excerpt
- the site address through domain — the cover hue is derived from it
- the card width through width in the card rule

## 7. Rules
- The cover is a gradient: a real screenshot would need the network and break portability.
- There are no links or buttons inside the card — the pointer cannot cross the gap to reach them.
- On a phone the card never opens: duplicate the link details in nearby text.
- Do not lift the CSS variables into globals.css: the component has to stay a single file.

## 8. Verify
- it renders with no console errors;
- it looks like the preview on the VibeUI page you copied this from;
- if it does not, you changed something listed in section 5 — put it back.

For developers

npx shadcn@latest add https://vibeui.ru/r/hovercard-002.json
https://vibeui.ru/r/hovercard-002.json

Компонент самодостаточен: один файл, без зависимостей, собственная палитра в локальных переменных --vibeui-hovercard-002-*. Серверный: раскрытие держится на :hover и :focus-within обёртки ссылки, а не всего абзаца — иначе карточка вылезала бы при наведении на любой текст. Оттенок обложки выводится из домена хешем FNV-1a и кладётся в --vibeui-hovercard-002-hue. Заголовок обрезан на двух строках, отрывок — на трёх через -webkit-line-clamp. Карточка скрыта visibility, поэтому не ловит курсор в закрытом виде.

Component source

The same file your agent installs. Here in case you would rather copy it by hand.

import type { ComponentPropsWithoutRef, CSSProperties } from "react"

export type Hovercard002Props = Omit<
  ComponentPropsWithoutRef<"div">,
  "children"
> & {
  /** Текст ссылки в строке. */
  anchorText?: string
  title?: string
  domain?: string
  excerpt?: string
  href?: string
}

// Идея компонента: превью страницы у ссылки. Вместо картинки — обложка из
// градиента и первой буквы домена: реальный скриншот пришлось бы качать, а
// компонент обязан работать без сети и без единой зависимости.
const STYLES = `
:where([data-vibeui-block="hovercard-002"]){
--vibeui-hovercard-002-bg:oklch(1 0 0);
--vibeui-hovercard-002-fg:oklch(0.22 0.014 265);
--vibeui-hovercard-002-muted:oklch(0.55 0.014 265);
--vibeui-hovercard-002-border:oklch(0.9 0.006 265);
--vibeui-hovercard-002-hue:250;
--vibeui-hovercard-002-accent:oklch(0.53 0.16 255);
--vibeui-hovercard-002-font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
[data-vibeui-block="hovercard-002"]{
width:100%;max-width:28rem;box-sizing:border-box;
padding:1rem 1.125rem;
border:1px solid var(--vibeui-hovercard-002-border);border-radius:0.875rem;
background:var(--vibeui-hovercard-002-bg);
font-family:var(--vibeui-hovercard-002-font);color:var(--vibeui-hovercard-002-fg);
}
[data-vibeui-block="hovercard-002"] [data-part="line"]{margin:0;font-size:0.875rem;line-height:1.7}
/* Ссылка живёт в строке текста: карточка цепляется к ней, а не к абзацу. */
[data-vibeui-block="hovercard-002"] [data-part="host"]{position:relative;display:inline-block}
[data-vibeui-block="hovercard-002"] [data-part="link"]{
color:var(--vibeui-hovercard-002-accent);font-weight:600;
text-decoration:underline;text-underline-offset:0.2em;border-radius:0.25rem;
}
[data-vibeui-block="hovercard-002"] [data-part="link"]:focus-visible{outline:2px solid var(--vibeui-hovercard-002-accent);outline-offset:2px}
[data-vibeui-block="hovercard-002"] [data-part="card"]{
position:absolute;left:0;top:calc(100% + 0.5rem);z-index:20;
display:flex;flex-direction:column;
width:17rem;box-sizing:border-box;overflow:hidden;
border:1px solid var(--vibeui-hovercard-002-border);border-radius:0.875rem;
background:var(--vibeui-hovercard-002-bg);
box-shadow:0 22px 46px -28px oklch(0.2 0.02 265 / 55%);
opacity:0;visibility:hidden;translate:0 -0.25rem;
transition:opacity .15s ease,translate .15s ease,visibility .15s;
}
[data-vibeui-block="hovercard-002"] [data-part="host"]:hover [data-part="card"],
[data-vibeui-block="hovercard-002"] [data-part="host"]:focus-within [data-part="card"]{opacity:1;visibility:visible;translate:0 0}
/* Обложка вместо скриншота: градиент по оттенку домена и его первая буква. */
[data-vibeui-block="hovercard-002"] [data-part="cover"]{
display:flex;align-items:center;justify-content:center;
height:4.5rem;
background:linear-gradient(135deg,
oklch(0.72 0.13 var(--vibeui-hovercard-002-hue)),
oklch(0.55 0.16 calc(var(--vibeui-hovercard-002-hue) + 40)));
color:oklch(0.99 0.01 var(--vibeui-hovercard-002-hue));
font-size:1.75rem;font-weight:800;letter-spacing:-0.02em;
text-transform:uppercase;
}
[data-vibeui-block="hovercard-002"] [data-part="body"]{display:flex;flex-direction:column;gap:0.25rem;padding:0.6875rem 0.8125rem 0.8125rem}
[data-vibeui-block="hovercard-002"] [data-part="domain"]{
display:flex;align-items:center;gap:0.3125rem;
font-size:0.6875rem;letter-spacing:0.02em;color:var(--vibeui-hovercard-002-muted);
}
[data-vibeui-block="hovercard-002"] [data-part="favicon"]{
width:0.75rem;height:0.75rem;border-radius:0.1875rem;flex:none;
background:oklch(0.62 0.15 var(--vibeui-hovercard-002-hue));
}
[data-vibeui-block="hovercard-002"] [data-part="title"]{
font-size:0.875rem;font-weight:650;line-height:1.3;
display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
}
[data-vibeui-block="hovercard-002"] [data-part="excerpt"]{
font-size:0.75rem;line-height:1.45;color:var(--vibeui-hovercard-002-muted);
display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;
}
@media (prefers-reduced-motion:reduce){[data-vibeui-block="hovercard-002"] *{animation:none!important;transition:none!important}}
`

function hue(name: string) {
  let hash = 2166136261

  for (const symbol of name) {
    hash ^= symbol.codePointAt(0)!
    hash = Math.imul(hash, 16777619)
  }

  return ((hash >>> 0) % 12) * 30
}

/**
 * Карточка превью страницы у ссылки: обложка, домен, заголовок и отрывок.
 * Один файл, ноль зависимостей, собственная палитра.
 */
export function Hovercard002({
  anchorText = "разбор популярных ошибок вёрстки",
  title = "Двенадцать ошибок вёрстки, которые видно с телефона",
  domain = "web.dev.example",
  excerpt = "Что ломается на узких экранах чаще всего: фиксированные ширины, шрифт меньше 16 пикселей, скрытый фокус и горизонтальная прокрутка у таблиц.",
  href = "#article",
  className,
  style,
  ...props
}: Hovercard002Props) {
  const palette = {
    "--vibeui-hovercard-002-hue": hue(domain),
    ...style,
  } as CSSProperties

  return (
    <>
      <style href="vibeui-hovercard-002" precedence="medium">
        {STYLES}
      </style>
      <div
        {...props}
        data-vibeui-block="hovercard-002"
        className={className}
        style={palette}
      >
        <p data-part="line">
          Подробнее об этом —{" "}
          <span data-part="host">
            <a
              data-part="link"
              href={href}
              aria-describedby="vibeui-hovercard-002-card"
            >
              {anchorText}
            </a>
            <span
              data-part="card"
              id="vibeui-hovercard-002-card"
              role="tooltip"
            >
              <span data-part="cover" aria-hidden="true">
                {domain[0]}
              </span>
              <span data-part="body">
                <span data-part="domain">
                  <span data-part="favicon" aria-hidden="true" />
                  {domain}
                </span>
                <span data-part="title">{title}</span>
                <span data-part="excerpt">{excerpt}</span>
              </span>
            </span>
          </span>{" "}
          — наведите, чтобы увидеть, куда она ведёт.
        </p>
      </div>
    </>
  )
}