02iOS-style toggle
Modeled on iOS Settings, a green track with a white knob bounces slightly with a spring easing as it lands.
Best forMobile web settings screens, app-like forms
cubic-bezier 스프링그림자0.3초
<main class="stage">
<label class="switch is-demo">
<input type="checkbox" class="switch__input" role="switch">
<span class="switch__track">
<span class="switch__bg switch__bg--off"></span>
<span class="switch__bg switch__bg--on"></span>
<span class="switch__knob"></span>
</span>
<span class="switch__label">Auto-lock</span>
</label>
</main>@use "../../../../site/static/demo-tokens" as *;
// ── 변수 3개 ──────────────────────────────
$duration: $dur-enter;
$easing: $ease-spring;
$color: $subject-blue;
// ── 데모 무대 ───────────────────────────────
@include stage($stage-yellow);
.switch {
position: relative;
display: inline-flex; align-items: center; gap: clamp(10px, 3vw, 14px);
cursor: pointer;
-webkit-tap-highlight-color: transparent;
}
.switch__input {
position: absolute; inset: 0; width: 100%; height: 100%;
margin: 0; opacity: 0; cursor: pointer;
}
.switch__track {
position: relative; overflow: hidden;
width: clamp(48px, 13vw, 56px); height: clamp(28px, 7.5vw, 32px);
border-radius: $r-pill;
box-shadow: $shadow-press;
}
.switch__bg { position: absolute; inset: 0; }
.switch__bg--off { background: rgba(23, 20, 26, .16); opacity: 1; }
.switch__bg--on { background: $color; opacity: 0; }
.switch__knob {
position: absolute; top: 3px; left: 3px; z-index: 1;
width: clamp(22px, 6vw, 26px); height: clamp(22px, 6vw, 26px);
border-radius: 50%;
background: $subject-cream;
box-shadow: $shadow-raised;
transform: translateX(0);
transition: transform $duration cubic-bezier(0.34, 1.56, 0.64, 1);
}
.switch__label { color: $subject-ink; font-weight: 600; font-size: clamp(14px, 4vw, 17px); line-height: 1; font-family: inherit; }
// ── 실제 동작 ─────────────────────────────
.switch__input:checked ~ .switch__track .switch__bg--off { opacity: 0; transition: opacity $duration $easing; }
.switch__input:checked ~ .switch__track .switch__bg--on { opacity: 1; transition: opacity $duration $easing; }
.switch__input:checked ~ .switch__track .switch__knob { transform: translateX(clamp(20px, 6vw, 24px)); }
.switch__input:focus-visible ~ .switch__track {
outline: 2px solid $subject-ink; outline-offset: 3px;
}
// ── 데모 루프: 도착 지점에서 스프링 이징이 살짝 튕긴다 ─────────
// 한 겹: 오버슈트 순간 노브가 찌그러지고(squash), 트랙은 상태 전환 때
// 내부 그림자가 깊어졌다 얕아진다(바닥에 앉는 깊이).
.switch.is-demo .switch__bg--off { animation: bg-off-loop $dur-loop $ease-out infinite; }
.switch.is-demo .switch__bg--on { animation: bg-on-loop $dur-loop $ease-out infinite; }
.switch.is-demo .switch__knob { animation: knob-spring-loop $dur-loop $easing infinite; }
.switch.is-demo .switch__track { animation: shadow-depth-loop $dur-loop $ease-out infinite; }
@keyframes bg-off-loop { 0%, 15% { opacity: 1; } 40%, 60% { opacity: 0; } 85%, 100% { opacity: 1; } }
@keyframes bg-on-loop { 0%, 15% { opacity: 0; } 40%, 60% { opacity: 1; } 85%, 100% { opacity: 0; } }
@keyframes knob-loop {
0%, 15% { transform: translateX(0); }
38% { transform: translateX(28px); } // 스프링 오버슈트
40%, 60% { transform: translateX(24px); }
85%, 100% { transform: translateX(0); }
}
@keyframes knob-spring-loop {
0%, 15% { transform: translateX(0) scaleX(1) scaleY(1); }
38% { transform: translateX(28px) scaleX(1.3) scaleY(.82); } // 오버슈트 + 찌그러짐
43% { transform: translateX(23px) scaleX(1.1) scaleY(.92); } // 되튕기며 회복
47%, 60% { transform: translateX(24px) scaleX(1) scaleY(1); } // 안착
84% { transform: translateX(-2px) scaleX(.92) scaleY(1.06); } // 출발 반동
85%, 100% { transform: translateX(0) scaleX(1) scaleY(1); }
}
@keyframes shadow-depth-loop {
0%, 15% { box-shadow: $shadow-press, inset 0 1px 3px rgba(0, 0, 0, .15); }
38% { box-shadow: $shadow-press, inset 0 3px 8px rgba(0, 0, 0, .28); }
40%, 60% { box-shadow: $shadow-press, inset 0 3px 8px rgba(0, 0, 0, .28); }
85%, 100% { box-shadow: $shadow-press, inset 0 1px 3px rgba(0, 0, 0, .15); }
}
@media (prefers-reduced-motion: reduce) {
.switch.is-demo .switch__bg--off,
.switch.is-demo .switch__bg--on,
.switch.is-demo .switch__knob,
.switch.is-demo .switch__track { animation: none !important; }
.switch__knob, .switch__bg--off, .switch__bg--on { transition: none; }
}html, body {
margin: 0;
overflow: hidden;
}
.stage {
box-sizing: border-box;
min-height: 100vh;
display: grid;
place-items: center;
margin: 0;
background: #ffd23f;
font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
padding: clamp(8px, 4vw, 24px);
}
.switch {
position: relative;
display: inline-flex;
align-items: center;
gap: clamp(10px, 3vw, 14px);
cursor: pointer;
-webkit-tap-highlight-color: transparent;
}
.switch__input {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
margin: 0;
opacity: 0;
cursor: pointer;
}
.switch__track {
position: relative;
overflow: hidden;
width: clamp(48px, 13vw, 56px);
height: clamp(28px, 7.5vw, 32px);
border-radius: 999px;
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}
.switch__bg {
position: absolute;
inset: 0;
}
.switch__bg--off {
background: rgba(23, 20, 26, 0.16);
opacity: 1;
}
.switch__bg--on {
background: #2f6df6;
opacity: 0;
}
.switch__knob {
position: absolute;
top: 3px;
left: 3px;
z-index: 1;
width: clamp(22px, 6vw, 26px);
height: clamp(22px, 6vw, 26px);
border-radius: 50%;
background: #fff7e6;
box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
transform: translateX(0);
transition: transform 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.switch__label {
color: #17141a;
font-weight: 600;
font-size: clamp(14px, 4vw, 17px);
line-height: 1;
font-family: inherit;
}
.switch__input:checked ~ .switch__track .switch__bg--off {
opacity: 0;
transition: opacity 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.switch__input:checked ~ .switch__track .switch__bg--on {
opacity: 1;
transition: opacity 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.switch__input:checked ~ .switch__track .switch__knob {
transform: translateX(clamp(20px, 6vw, 24px));
}
.switch__input:focus-visible ~ .switch__track {
outline: 2px solid #17141a;
outline-offset: 3px;
}
.switch.is-demo .switch__bg--off {
animation: bg-off-loop 2s ease-out infinite;
}
.switch.is-demo .switch__bg--on {
animation: bg-on-loop 2s ease-out infinite;
}
.switch.is-demo .switch__knob {
animation: knob-spring-loop 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}
.switch.is-demo .switch__track {
animation: shadow-depth-loop 2s ease-out infinite;
}
@keyframes bg-off-loop {
0%, 15% {
opacity: 1;
}
40%, 60% {
opacity: 0;
}
85%, 100% {
opacity: 1;
}
}
@keyframes bg-on-loop {
0%, 15% {
opacity: 0;
}
40%, 60% {
opacity: 1;
}
85%, 100% {
opacity: 0;
}
}
@keyframes knob-loop {
0%, 15% {
transform: translateX(0);
}
38% {
transform: translateX(28px);
}
40%, 60% {
transform: translateX(24px);
}
85%, 100% {
transform: translateX(0);
}
}
@keyframes knob-spring-loop {
0%, 15% {
transform: translateX(0) scaleX(1) scaleY(1);
}
38% {
transform: translateX(28px) scaleX(1.3) scaleY(0.82);
}
43% {
transform: translateX(23px) scaleX(1.1) scaleY(0.92);
}
47%, 60% {
transform: translateX(24px) scaleX(1) scaleY(1);
}
84% {
transform: translateX(-2px) scaleX(0.92) scaleY(1.06);
}
85%, 100% {
transform: translateX(0) scaleX(1) scaleY(1);
}
}
@keyframes shadow-depth-loop {
0%, 15% {
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32), inset 0 1px 3px rgba(0, 0, 0, 0.15);
}
38% {
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32), inset 0 3px 8px rgba(0, 0, 0, 0.28);
}
40%, 60% {
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32), inset 0 3px 8px rgba(0, 0, 0, 0.28);
}
85%, 100% {
box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32), inset 0 1px 3px rgba(0, 0, 0, 0.15);
}
}
@media (prefers-reduced-motion: reduce) {
.switch.is-demo .switch__bg--off,
.switch.is-demo .switch__bg--on,
.switch.is-demo .switch__knob,
.switch.is-demo .switch__track {
animation: none !important;
}
.switch__knob, .switch__bg--off, .switch__bg--on {
transition: none;
}
}document.querySelectorAll(".switch").forEach(function (s) {
var input = s.querySelector(".switch__input");
var sync = function () { input.setAttribute("aria-checked", String(input.checked)); };
input.addEventListener("pointerdown", function () { s.classList.remove("is-demo"); });
input.addEventListener("change", sync);
sync();
});import { useState } from "react";
import type { ChangeEvent, CSSProperties } from "react";
import styles from "./IOSToggle.module.scss";
export type IOSToggleProps = {
label?: string;
/** 도착 지점 트랜지션 시간 (기본 600ms) */
duration?: number;
/** 스프링 이징 */
easing?: string;
color?: string;
defaultChecked?: boolean;
onChange?: (checked: boolean) => void;
};
type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };
export default function IOSToggle({
label = "자동 잠금",
duration = 600,
easing = "cubic-bezier(0.34, 1.56, 0.64, 1)",
color = "#2f6df6",
defaultChecked = false,
onChange,
}: IOSToggleProps) {
const [checked, setChecked] = useState(defaultChecked);
const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
return (
<label className={styles.switch} style={vars}>
<input
type="checkbox"
role="switch"
aria-checked={checked}
className={styles.switch__input}
checked={checked}
onChange={(e: ChangeEvent<HTMLInputElement>) => { setChecked(e.target.checked); onChange?.(e.target.checked); }}
/>
<span className={styles.switch__track}>
<span className={styles["switch__bg--off"]} />
<span className={styles["switch__bg--on"]} />
<span className={styles.switch__knob} />
</span>
<span className={styles.switch__label}>{label}</span>
</label>
);
}02 iOS-style toggle — Measured area 1.118% · moving frames 15/23Original by GODRICH · SCSS and React ship in the zip · 9 CSS Toggle Switches — One Line, Copy-Paste
The post this demo lives in
9 CSS Toggle Switches — One Line, Copy-PasteA css toggle switch is a real <input type="checkbox"> styled as a track and knob, so :checked decides which side the kno See all demos in this post
