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<circle cx="212.665" cy="197.079" r="8.079" fill="#000" />
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<circle cx="158" cy="143" r="140" fill="url(#c)" stroke="#000" stroke-width="6" />
<g clip-path="url(#d)">
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g>
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<defs>
<linearGradient id="a" x1="158" x2="158" y1="0" y2="286" gradientUnits="userSpaceOnUse">
<stop offset=".219" />
<stop offset="1" stop-color="#fff" />
linearGradient>
<linearGradient id="b" x1="254" x2="100" y1="419" y2="325" gradientUnits="userSpaceOnUse">
<stop stop-opacity=".98" />
<stop offset="1" stop-opacity="0" />
linearGradient>
<radialGradient id="c" cx="0" cy="0" r="1" gradientTransform="matrix(165.9998 58.9999 -60.6938 170.7657 210 171)" gradientUnits="userSpaceOnUse">
<stop offset=".771" stop-color="#D9D9D9" stop-opacity="0" />
<stop offset="1" stop-color="#fff" stop-opacity=".63" />
radialGradient>
<clipPath id="d">
<path fill="#fff" d="M189 291h47v45h-47z" />
clipPath>
defs>
svg>
span>
span>
span>
button>
CSS:
*,
*:after,
*:before {
box-sizing: border-box;
}
:root {
--slide-ease: cubic-bezier(.4,-0.3,.6,1.3);
/* --slide-ease: cubic-bezier(.8,-0.3,.2,1.3); */
--easing: var(--slide-ease);
--speed: 0.5s;
--width: clamp(200px, 45vmin, 500px);
--ar: 8 / 3;
--ray: hsl(0 0% 100% / 0.5);
--sun: hsl(47, 91%, 58%);
--moon: hsl(212, 13%, 82%);
--crater: hsl(221, 16%, 68%);
--bg: hsl(219, 30%, 88%);
--bear-speed: 10s;
--color: hsl(219 30% 20%);
}
[data-dark-mode=true] {
--bg: hsl(219, 30%, 12%);
--color: hsl(219 30% 98%);
}
body {
display: grid;
place-items: center;
min-height: 100vh;
overflow: hidden;
background: var(--bg);
transition: background var(--speed) var(--easing);
font-family: sans-serif, system-ui;
}
.toggle__backdrop:first-of-type .clouds path:first-of-type {
fill: var(--ray);
}
.toggle {
-webkit-tap-highlight-color: transparent;
width: var(--width);
/* random attempts at tackling the overflow iOS issue */
z-index: 10;
will-change: transform;
isolation: isolate;
transform: translate3d(0, 0, 0);
/* End of workaround city */
aspect-ratio: var(--ar);
border-radius: 100vh;
border: 0;
position: relative;
padding: 0;
overflow: hidden;
cursor: pointer;
transition: background var(--speed) var(--easing);
--sky: hsl(204, 53%, 47%);
--night: hsl(229, 25%, 16%);
outline-color: transparent;
background: hsl(
calc(204 + (var(--dark, 0) * 25))
calc((53 - (var(--dark, 0) * 28)) * 1%)
calc((47 - (var(--dark, 0) * 31)) * 1%)
);
box-shadow:
calc(var(--width) * 0) calc(var(--width) * 0.02) calc(var(--width) * 0.01) calc(var(--width) * -0.0025) hsl(210 10% 100% / 0.95),
calc(var(--width) * 0) calc(var(--width) * -0.02) calc(var(--width) * 0.01) calc(var(--width) * -0.0025) hsl(210 10% 10% / 0.2),
calc(var(--width) * 0) calc(var(--width) * 0.02) calc(var(--width) * 0.5) 0 hsl(210 10% 100% / 0.15);
}
.toggle:after {
content: "";
position: absolute;
inset: 0;
box-shadow:
calc(var(--width) * 0) calc(var(--width) * -0.025) calc(var(--width) * 0.025) 0 hsl(210 10% 10% / 0.15) inset,
calc(var(--width) * 0) calc(var(--width) * 0.025) calc(var(--width) * 0.025) 0 hsl(210 10% 10% / 0.65) inset;
border-radius: 100vh;
}
.toggle__content {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
overflow: hidden;
border-radius: 100vh;
display: block;
clip-path: inset( 0 0 0 0 round 100vh);
}
.toggle__backdrop {
overflow: visible !important;
position: absolute;
bottom: 0;
width: 100%;
left: 0;
transition: translate var(--speed) var(--easing);
translate: 0 calc(
var(--dark, 0) * (100% - (3 / 8 * var(--width)))
);
}
[aria-pressed=false] .toggle__backdrop:last-of-type {
transition-timing-function: cubic-bezier(.2,-0.6,.7,1.6);
}
[aria-pressed=false] .stars path {
transition-delay: 0s;
}
.stars path {
transform-box: fill-box;
transform-origin: 25% 50%;
scale: calc(0.25 + (var(--dark, 0) * 0.75));
transition: scale var(--speed) calc(var(--speed) * 0.5) var(--easing);
}
.toggle__indicator {
height: 100%;
aspect-ratio: 1;
border-radius: 0%;
display: grid;
place-items: center;
padding: 3%;
}
.pilot-bear {
position: absolute;
width: 25%;
}
.toggle__star {
height: 100%;
aspect-ratio: 1;
border-radius: 50%;
position: relative;
transition: translate var(--speed) var(--easing);
translate: calc((var(--dark, 0) * -10%) + 5%) 0;
/* translate: calc((var(--dark, 0) * -18%) + 5%) 0; */
}
.sun {
background: var(--sun);
position: absolute;
inset: 0;
border-radius: 50%;
overflow: hidden;
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 100% / 0.95) inset,
calc(var(--width) * -0.01) calc(var(--width) * -0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 20% / 0.5) inset;
}
.moon {
position: absolute;
inset: -1%;
border-radius: 50%;
background: var(--moon);
transition: translate var(--speed) ease-in-out;
translate: calc((100 - (var(--dark, 0) * 100)) * 1%) 0%;
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 100% / 0.95) inset,
calc(var(--width) * -0.01) calc(var(--width) * -0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 10% / 0.95) inset;
}
.moon__crater {
position: absolute;
background: var(--crater);
border-radius: 50%;
width: calc(var(--size, 10) * 1%);
aspect-ratio: 1;
left: calc(var(--x) * 1%);
top: calc(var(--y) * 1%);
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.01) 0 hsl(210 10% 6% / 0.25) inset,
0 calc(var(--width) * 0.005) calc(var(--width) * 0.01) 0 hsl(210 10% 100% / 0.25);
}
.moon__crater:nth-of-type(1) {
--size: 18;
--x: 40;
--y: 15;
}
.moon__crater:nth-of-type(2) {
--size: 20;
--x: 65;
--y: 58;
}
.moon__crater:nth-of-type(3) {
--size: 34;
--x: 18;
--y: 40;
}
.toggle__star:before {
content: "";
z-index: -1;
width: 356%;
background:
radial-gradient(hsl(0 0% 100% / 0.25) 40%, transparent 40.5%),
radial-gradient(hsl(0 0% 100% / 0.25) 56%, transparent 56.5%)
hsl(0 0% 100% / 0.25);
border-radius: 50%;
aspect-ratio: 1;
position: absolute;
top: 50%;
left: 50%;
transition: translate var(--speed) var(--easing);
translate: calc(
(50 - (var(--dark, 0) * 4)) *
-1%
)
-50%;
}
.toggle__star:after {
content: "";
position: absolute;
inset: 0;
display: block;
background: hsl(0 0% 0% / 0.5);
filter: blur(4px);
translate: 2% 4%;
border-radius: 50%;
z-index: -1;
}
.toggle__indicator-wrapper {
position: absolute;
inset: 0;
transition: translate var(--speed) var(--slide-ease);
translate: calc(
var(--dark, 0) * (var(--width) - (3 / 8 * var(--width)))
) 0;
}
[aria-pressed=true] {
--dark: 1;
}
/* Fun stuff! */
/* We have 11 stars */
.stars g {
transform-box: fill-box;
transform-origin: 50% 50%;
}
.stars g:nth-of-type(3) {
animation: twinkle 4s -2s infinite;
}
.stars g:nth-of-type(11) {
animation: twinkle 6s -2s infinite;
}
.stars g:nth-of-type(9) {
animation: twinkle 4s -1s infinite;
}
@keyframes twinkle {
0%, 40%, 60%, 100% {
transform: scale(1);
}
50% {
transform: scale(0);
}
}
.astrobear {
width: 12%;
position: absolute;
top: 100%;
left: 0%;
transition: translate calc(var(--speed) + (var(--dark, 0) * (var(--bear-speed) - var(--speed))))
calc(var(--bear-speed) * (0.4 * var(--dark, 0))) linear;
translate: calc(var(--dark, 0) * 400%) calc(var(--dark, 0) * -350%);
}
.astrobear svg {
transform-origin: 50% 75%;
scale: var(--dark, 0);
rotate: calc(var(--dark, 0) * 360deg);
transition: rotate calc(var(--speed) + (var(--dark, 0) * (var(--bear-speed) - var(--speed)))) calc(var(--bear-speed) * 0.4) linear, scale var(--speed) ease-in-out;
}
.astrobear__container {
position: absolute;
overflow: hidden;
inset: 0;
clip-path: inset(0 0 0 0);
opacity: var(--dark, 0);
translate: 0 calc(-200% + (var(--dark, 0) * 200%));
transition: opacity var(--speed) var(--easing), translate var(--speed) var(--easing);
}
.pilot__container {
position: absolute;
overflow: hidden;
inset: 0;
clip-path: inset(0 0 0 0);
opacity: calc(1 - var(--dark, 0));
translate: 0 calc(var(--dark, 0) * 200%);
transition: opacity var(--speed) var(--easing), translate var(--speed) var(--easing);
}
.pilot-bear {
width: 18%;
position: absolute;
top: 70%;
left: 100%;
transition:
translate
calc(
var(--speed) + ((1 - var(--dark, 0)) *
((var(--bear-speed) * 0.5) - var(--speed))))
calc((var(--bear-speed) * 0.5) * ((1 - var(--dark, 0)) * 0.4)) linear;
translate:
calc(
(0 - (1 - var(--dark, 0))) * (var(--width) + 100%)
) calc(
(0 - (1 - var(--dark, 0))) * (200%)
);
}
.pilot {
rotate: 12deg;
animation: fly 4s infinite ease-in-out;
}
@keyframes fly {
50% { translate: 0 -25%; }
}
.controls {
position: fixed;
bottom: 1rem;
right: 1rem;
display: flex;
align-items: center;
gap: 0.5rem;
font-family: sans-serif;
color: var(--color);
transition: color var(--speed) var(--easing);
}
[type=checkbox] {
accent-color: var(--color);
transition: accent-color var(--speed) var(--easing);
}
JS:
const BUTTON = document.querySelector("button");
const SYNC = document.querySelector("#sync")
const TOGGLE = () => {
const IS_PRESSED = BUTTON.matches("[aria-pressed=true]");
if (SYNC.checked)
document.body.setAttribute("data-dark-mode", IS_PRESSED ? false : true);
BUTTON.setAttribute("aria-pressed", IS_PRESSED ? false : true);
};
BUTTON.addEventListener("click", TOGGLE);