Yaya CSS sinadisu ke aiki?

Question

Accepted Answer

A **transition** yana sanye da property daga tsohon kimar sa zuwa sabuwar ɗaya a tsawon lokaci, maimakon canza ta nan take. Kuna bayyana *me* za a sanye da *nawa* ya daɗe, sannan ku haɓaka ta hanyar canza property (sau da yawa ta `:hover` ko ajiya).

```css
.button {
  background: blue;
  transition: background 0.3s ease;  /* animate background over 300ms */
}
.button:hover {
  background: darkblue;  /* on hover, it fades smoothly instead of snapping */
}
```

## Sassa hudu na gajere

```css
transition: background 0.3s ease 0s;
/*          │          │    │    └── delay before starting */
/*          │          │    └─────── timing function (the easing curve) */
/*          │          └──────────── duration */
/*          └─────────────────────── property to animate (or `all`) */
```

## Sanye da marari mallaka

```css
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);          /* lifts up */
  box-shadow: 0 8px 20px rgba(0,0,0,0.2); /* + deeper shadow */
}
```

Jera kowane property (da koma-koma) maimakon amfani da `all`, wanda zai iya ba da dama a sanye abin ba tun niyya ba ne ka yi ba zai na asara aiki.

## Timing functions

```css
transition-timing-function: ease;        /* slow-fast-slow (default) */
/* linear | ease-in | ease-out | ease-in-out */
transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); /* custom curve */
```

## Aiki: sanye transform/opacity

```css
/* ✅ cheap — GPU-composited, no layout recalculation */
transition: transform 0.3s, opacity 0.3s;
/* ❌ expensive — animating width/top/left triggers layout on every frame */
transition: width 0.3s, left 0.3s;
```

Saba sanye `transform` da `opacity`; ana gudanarwa su ta hanyar compositor ba tare da sake gudu layout ba, don haka suna kasance mai santsi (60fps).

## Accessibility

```css
@media (prefers-reduced-motion: reduce) {
  * { transition: none; } /* respect users who get motion sickness */
}
```

## Me ya sa yana mahimmanci

Sinadisu suna samar da shine da ya sa UI ya bukaci jiya da matattu (hover effects, jingina sakamako) tare da layi guda.

Sanin a sanye `transform`/`opacity` don aiki — da kiyaye `prefers-reduced-motion` — shine aka rabata mai santsi, ta hanyar jingina da jingina animeshon.