/* Orso pilota, sole/luna e robot partono da tre pezzi trovati e riscritti (scope sul palco, rem, niente globali). */

.bear-stage {
  --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(12rem, 34vw, 22rem);
	--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%);
}


.bear-stage[data-dark-mode=true] {
  --bg: hsl(219, 30%, 12%);
  --color: hsl(219 30% 98%);
  color-scheme: dark only;
}

.bear-stage {
	background: var(--bg);
	transition: background var(--speed) var(--easing);
	overflow: hidden;
}

.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);
  container-type: inline-size;
}

.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%;
  transition: translate var(--speed) var(--slide-ease);
  translate: calc(var(--dark, 0) * (100cqi - 100%)) 0;
}

.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;
}

[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%; }
}


.sm-switch {
  position: relative;
  display: inline-block;
  width: calc(var(--u) * 60);
  height: calc(var(--u) * 34);
}

.sm-switch .sm-input {
  opacity: 0;
  width: 0;
  height: 0;
}

.sm-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #2196f3;
  transition: 0.4s;
  z-index: 0;
  overflow: hidden;
}

.sm-sun-moon {
  position: absolute;
  content: "";
  height: calc(var(--u) * 26);
  width: calc(var(--u) * 26);
  left: calc(var(--u) * 4);
  bottom: calc(var(--u) * 4);
  background-color: yellow;
  transition: 0.4s;
}

.sm-input:checked + .sm-slider {
  background-color: black;
}

.sm-input:focus + .sm-slider {
  box-shadow: 0 0 calc(var(--u) * 1) #2196f3;
}

.sm-input:checked + .sm-slider .sm-sun-moon {
  transform: translateX(calc(var(--u) * 26));
  background-color: white;
  animation: sm-rotate 0.6s ease-in-out both;
}

.sm-moon-dot {
  opacity: 0;
  transition: 0.4s;
  fill: gray;
}
.sm-input:checked + .sm-slider .sm-sun-moon .sm-moon-dot {
  opacity: 1;
}

.sm-slider.sm-round {
  border-radius: calc(var(--u) * 34);
}
.sm-slider.sm-round .sm-sun-moon {
  border-radius: 50%;
}

#moon-dot-1 {
  left: calc(var(--u) * 10);
  top: calc(var(--u) * 3);
  position: absolute;
  width: calc(var(--u) * 6);
  height: calc(var(--u) * 6);
  z-index: 4;
}

#moon-dot-2 {
  left: calc(var(--u) * 2);
  top: calc(var(--u) * 10);
  position: absolute;
  width: calc(var(--u) * 10);
  height: calc(var(--u) * 10);
  z-index: 4;
}

#moon-dot-3 {
  left: calc(var(--u) * 16);
  top: calc(var(--u) * 18);
  position: absolute;
  width: calc(var(--u) * 3);
  height: calc(var(--u) * 3);
  z-index: 4;
}

#light-ray-1,
#light-ray-3,
#light-ray-2 {
  position: absolute;
  z-index: -1;
  fill: white;
  opacity: 10%;
}
#light-ray-1 {
  left: calc(var(--u) * -8);
  top: calc(var(--u) * -8);
  width: calc(var(--u) * 43);
  height: calc(var(--u) * 43);
}
#light-ray-2 {
  left: -50%;
  top: -50%;
  width: calc(var(--u) * 55);
  height: calc(var(--u) * 55);
}
#light-ray-3 {
  left: calc(var(--u) * -18);
  top: calc(var(--u) * -18);
  width: calc(var(--u) * 60);
  height: calc(var(--u) * 60);
}

.sm-cloud-light,
.sm-cloud-dark {
  position: absolute;
  animation-name: cloud-move;
  animation-duration: 6s;
  animation-iteration-count: infinite;
}
.sm-cloud-light {
  fill: #eee;
}
.sm-cloud-dark {
  fill: #ccc;
  animation-delay: 1s;
}

#cloud-1 {
  left: calc(var(--u) * 30);
  top: calc(var(--u) * 15);
  width: calc(var(--u) * 40);
}
#cloud-2 {
  left: calc(var(--u) * 44);
  top: calc(var(--u) * 10);
  width: calc(var(--u) * 20);
}
#cloud-3 {
  left: calc(var(--u) * 18);
  top: calc(var(--u) * 24);
  width: calc(var(--u) * 30);
}
#cloud-4 {
  left: calc(var(--u) * 36);
  top: calc(var(--u) * 18);
  width: calc(var(--u) * 40);
}
#cloud-5 {
  left: calc(var(--u) * 48);
  top: calc(var(--u) * 14);
  width: calc(var(--u) * 20);
}
#cloud-6 {
  left: calc(var(--u) * 22);
  top: calc(var(--u) * 26);
  width: calc(var(--u) * 30);
}

@keyframes cloud-move {
  0% {
    transform: translateX(0px);
  }
  40% {
    transform: translateX(calc(var(--u) * 4));
  }
  80% {
    transform: translateX(calc(var(--u) * -4));
  }
  100% {
    transform: translateX(0px);
  }
}

.sm-stars {
  transform: translateY(calc(var(--u) * -32));
  opacity: 0;
  transition: 0.4s;
}

.sm-star {
  fill: white;
  position: absolute;
  transition: 0.4s;
  animation-name: star-twinkle;
  animation-duration: 2s;
  animation-iteration-count: infinite;
}

.sm-input:checked + .sm-slider .sm-stars {
  transform: translateY(0);
  opacity: 1;
}

#star-1 {
  width: calc(var(--u) * 20);
  top: calc(var(--u) * 2);
  left: calc(var(--u) * 3);
  animation-delay: 0.3s;
}
#star-2 {
  width: calc(var(--u) * 6);
  top: calc(var(--u) * 16);
  left: calc(var(--u) * 3);
}
#star-3 {
  width: calc(var(--u) * 12);
  top: calc(var(--u) * 20);
  left: calc(var(--u) * 10);
  animation-delay: 0.6s;
}
#star-4 {
  width: calc(var(--u) * 18);
  top: calc(var(--u) * 0);
  left: calc(var(--u) * 18);
  animation-delay: 1.3s;
}

@keyframes star-twinkle {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.2);
  }
  80% {
    transform: scale(0.8);
  }
  100% {
    transform: scale(1);
  }
}


@keyframes sm-rotate {
	from { rotate: 0deg; }
	to { rotate: 360deg; }
}

.demo__note code { padding: 0.1rem 0.4rem; background: var(--surface); border-radius: 4px; font-size: 0.85em; }
.stage { min-height: 14rem; }

/* ---------- Orso pilota ---------- */
.bear-stage { min-height: 16rem; }

/* ---------- Sole, luna e stelle ---------- */
.sm-stage {
	--u: 0.2rem;
	color-scheme: light;
	background: linear-gradient(135deg, light-dark(#f7faff, #0b1220) 0%, light-dark(#e8f0ff, #15213a) 50%, light-dark(#d8e3ff, #22345a) 100%);
}
.sm-stage:has(.sm-input:checked) { color-scheme: dark; }
.sm-input:focus-visible + .sm-slider { outline: 2px solid var(--accent); outline-offset: 4px; }

/* ---------- Robot ---------- */
.robot-stage {
	--ui-grey: #d9d9d9;
	--ui-blue: #1789f2;
	font-family: 'Anton', 'Bricolage Grotesque', sans-serif;
	background: #dfdfdf;
	border-color: #c9c9c9;
}
@font-face {
	font-family: 'Anton';
	src: url('../_shared/fonts/anton-latin-400-normal.woff2') format('woff2');
	font-display: swap;
}
.robot-svg { display: block; width: min(100%, 30rem); height: auto; }
.robot-svg text { user-select: none; }
#robotHandHorns { opacity: 0; }
#offRing { cursor: pointer; }
#offRing:focus-visible { outline: none; stroke: var(--ui-blue); stroke-width: 6; }
#aiText { font-size: 80px; fill: var(--ui-blue); text-anchor: middle; letter-spacing: 0.04em; }
.label { font-size: 34px; text-anchor: middle; }

/* ---------- Con le icone ---------- */
.icon-stage { background: #f2efe6; border-color: #ddd8c8; transition: background-color 300ms ease; }
.icon-stage:has(.isw__input:checked) { background: #141414; border-color: var(--line); }
.isw { display: inline-block; cursor: pointer; }
.isw__input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.isw__track {
	position: relative;
	display: block;
	width: 10rem;
	height: 4.5rem;
	background: #dad7cb;
	border-radius: 5rem;
	box-shadow: inset 0 5px 15px rgb(0 0 0 / 0.35), inset 0 -5px 15px rgb(255 255 255 / 0.4);
	transition: background-color 300ms ease;
}
.isw__input:checked + .isw__track { background: #242424; box-shadow: inset 0 5px 15px rgb(0 0 0 / 0.6), inset 0 -5px 15px rgb(255 255 255 / 0.06); }
.isw__input:focus-visible + .isw__track { outline: 2px solid var(--accent); outline-offset: 4px; }
.isw__icon { position: absolute; top: 50%; width: 1.7rem; height: 1.7rem; margin-top: -0.85rem; color: #3b372c; transition: color 300ms ease; }
.isw__icon--sun { left: 1.4rem; }
.isw__icon--moon { right: 1.4rem; }
.isw__input:checked + .isw__track .isw__icon { color: #8a8a8a; }
.isw__knob {
	position: absolute;
	top: 0.4rem;
	left: 0.4rem;
	width: 3.7rem;
	height: 3.7rem;
	background: linear-gradient(180deg, #ffcc89, #d80b0b);
	border-radius: 50%;
	box-shadow: 0 5px 10px rgb(0 0 0 / 0.25);
	transition: transform 350ms var(--ease-out), background 300ms ease, width 150ms var(--ease-out);
}
.isw__input:checked + .isw__track .isw__knob { transform: translateX(5.4rem); background: linear-gradient(180deg, #777, #000); }
.isw:active .isw__knob { width: 4.6rem; }
.isw:active .isw__input:checked + .isw__track .isw__knob { transform: translateX(4.5rem); }

/* ---------- L'essenziale ---------- */
.plain-stage { background: #fff; border-color: #e3e3e3; color: #111; transition: background-color 300ms ease, color 300ms ease; }
.plain-stage:has(.psw__input:checked) { background: #0b0b0b; border-color: var(--line); color: #fff; }
.psw { display: inline-flex; align-items: center; gap: 0.8rem; cursor: pointer; font-weight: 600; }
.psw__input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.psw__track { position: relative; width: 3.25rem; height: 1.9rem; background: #c4c4c4; border-radius: 2rem; transition: background-color 200ms ease; }
.psw__knob { position: absolute; top: 0.2rem; left: 0.2rem; width: 1.5rem; height: 1.5rem; background: #fff; border-radius: 50%; box-shadow: 0 1px 3px rgb(0 0 0 / 0.35); transition: transform 220ms var(--ease-out); }
.psw__input:checked + .psw__track { background: var(--accent); }
.psw__input:checked + .psw__track .psw__knob { transform: translateX(1.35rem); }
.psw__input:focus-visible + .psw__track { outline: 2px solid var(--accent); outline-offset: 3px; }
.psw:active .psw__knob { width: 1.8rem; }
.psw:active .psw__input:checked + .psw__track .psw__knob { transform: translateX(1.05rem); }
.psw__text::before { content: attr(data-off); }
.psw__input:checked ~ .psw__text::before { content: attr(data-on); }