@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Quicksand&display=swap');

/* root = global */
:root {
  /* változók */
  --size: max(5px, 1vmin);
  --height: 80em;
  --pad: 1.25em;
  --border-radius: 6.666em;
  --gutter: calc(var(--pad) * 2);
  --button-width: 0.333em;
  --notch-height: 3.33em;
  --notch-width: 33.3%;
  --notch-radius: calc(var(--border-radius) - calc(var(--pad) * 2));
  --notch-duration: 0.333s;
  --ease: cubic-bezier(.666, 0, .4, 1);
  --ease-spring: cubic-bezier(.666, 0, .4, 1.2);
  --ease-out: cubic-bezier(.15, 0, .333, 1);
  --border-width: 0.4em;
  --deep-purple: 284;
  --gold: 30;
  --space-black: 215;
  --silver: 254;
  --c-h: var(--deep-purple);
  --c-s: 100%;
  --c-l: 50%;
}

/* the webkit keyframe (iOS browsers are webkit based) defines the style that will be applied at the moment of the animation */
/* -webkit-appearance: button; WebKit 
-moz-appearance: button;  Mozilla 
-o-appearance: button;  Opera 
-ms-appearance: button; /Internet Explorer 
appearance: button;  CSS3 */

/* scale3d is a CSS function used to resize an element in 3D space */

@-webkit-keyframes appear {
  to {
    transform: scale3d(1, 1, 1);
    opacity: 1;
  }
}

/* the keyframe specifies the animation code: use the "from" or "to" keywords */
@keyframes appear {
  to {
    transform: scale3d(1, 1, 1);
    opacity: 1;
  }
}

/* em means: relative to the font-size of the element. example: 2em means 2 times the font size of the current font */
/* This means that 1rem equals the font size of the html element(root), which for most browsers has a default value of 16px. /*
/* vh means: the viewable screen's height. 100 vh is the 100% of the viewport's height */
/* the font size is defined in a variable, to be more visible and easier to find */
body {
  background: #00000a;
  display: flex;
  flex-direction: column;
  gap: 3em;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Inter';
  font-size: var(--size);
}

/* z-index sets the z-order of a positioned element and its descendants. */
/* aspect-ratio: even if the parent container or viewport size changes, the browser will adjust to maintain the aspect ratio */
/* border-box: the box stays within its parent element, even if it has padding or margins (then it will shrink)*/
/* webkit backface visibility: when you make a 3d animation, you can hide or not the backface */
.phone {
  position: relative;
  z-index: 1;
  aspect-ratio: 37/76;
  background: black;
  height: var(--height);
  border-radius: var(--border-radius);
  box-shadow: 0 0 0.1em 0.25em hsl(var(--c-h), 20%, 25%),
    0 0 0 var(--border-width) hsl(var(--c-h), 30%, 85%);
  box-sizing: border-box;
  opacity: 0;
  transform: scale3d(1.1, 1.1, 1);
  -webkit-animation: appear 1s var(--ease-out) forwards;
  animation: appear 1s var(--ease-out) forwards;
  --webkit-backface-visibility: hidden;
}

/* content: replaces the element with a generated value */
/* the ::after content is also “after” in source-order, so it will position on top of ::before if stacked on top of each other naturally. */
.phone::before {
  content: "";
  position: absolute;
  top: var(--border-radius);
  right: calc(var(--border-width) * -1);
  bottom: calc(var(--border-radius));
  left: calc(var(--border-width) * -1);
  border: 0.5em solid hsl(var(--c-h), 20%, 30%);
  border-left-width: 0;
  border-right-width: 0;
}

/* inset: is a shorthand that corresponds to the top, right, bottom and/ or left properties, and it's the same like the margin */
/* pointer event: it sets under what circumstances a particular graphic element can become target of pointer events */
.buttons {
  position: absolute;
  inset: calc(var(--border-width) * -1);
  pointer-events: none;
}

.buttons .left,
.buttons .right {
  position: absolute;
  width: var(--button-width);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.5em;
}

.buttons .left {
  right: 100%;
  top: calc(var(--border-radius) * 2);
}

.buttons .left .button:nth-child(1) {
  height: 3em;
  margin-bottom: 0.5em;
}

.buttons .right {
  left: 100%;
  transform: scale3d(-1, 1, 1);
  top: calc(var(--border-radius) * 3);
}

.buttons .right .button {
  height: 9.5em;
}

.buttons .button {
  background: hsl(var(--c-h), 20%, 95%);
  height: 6em;
  box-shadow: inset -0.15em 0 0.1em black,
    inset 0 0 0.1em hsl(var(--c-h), 30%, 90%),
    inset 0 0.2em 0.1em hsl(var(--c-h), 30%, 90%),
    inset 0 -0.2em 0.1em hsl(var(--c-h), 30%, 90%),
    inset -0.1em 0.333em 0.1em rgba(0, 0, 0, 0.5),
    inset -0.1em -0.333em 0.1em rgba(0, 0, 0, 0.5);
  border-top-left-radius: 0.2em;
  border-bottom-left-radius: 0.2em;
}

.screen-container {
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  border: var(--pad) solid black;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--pad) * 2);
}

.screen-container::before {
  content: "";
  position: absolute;
  z-index: 2;
  background: white;
  width: 36.6%;
  bottom: calc(var(--pad) * 0.75);
  height: calc(var(--pad) * 0.5);
  border-radius: calc(var(--pad) * 0.25);
  filter: drop-shadow(0 0.1em 0.25em rgba(0, 0, 0, 0.1));
}

.bg {
  position: absolute;
  inset: 0;
  background: black;
  border-radius: calc(var(--border-radius) - var(--pad));
  overflow: hidden;
}

/* >* =  * alone will change the font size for everything, while > * will only change the color of the children */
.bg>*{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transition: opacity 1s var(--ease-out) 0.5s;
}

.bg .section {
  --g-h: var(--c-h);
  --g-s: var(--c-s);
  --g-l: var(--c-l);
  flex-grow: 1;
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--border-radius) - var(--pad));
  border-bottom-left-radius: 20em;
  border-bottom-right-radius: 20em;
}

.bg .section:before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(85% 125% at 50% 140%, black 66.6%, transparent),
    radial-gradient(
      120% 120% at 50% 145%,
      hsl(calc(var(--g-h) - 45), 100%, 50%) 50%,
      transparent
    ),
    radial-gradient(
      150% 100% at 50% 80%,
      transparent 35%,
      hsl(calc(var(--g-h) + 50), 100%, 99%)
    );
  background-color: hsl(var(--g-h), var(--g-s), var(--g-l));
  transform: scale3d(1.1, 1.25, 1);
  transform-origin: bottom;
  transition: transform 1s var(--ease-out) 0.5s;
}

.bg .section:after {
  content: "";
  position: absolute;
  inset: 0;
  border: var(--border-width) solid rgba(255, 255, 255, 0.8);
  border-radius: inherit;
  filter: blur(0.05em);
  -webkit-mask-image: radial-gradient(
    100% 100% at 50% 70%,
    black 30%,
    transparent 50%
  );
  mask-image: radial-gradient(100% 100% at 50% 70%, black 30%, transparent 50%);
}

/* mix-blend-mode: sets how an element's content should blend with the content of the element's parent and the element's background.*/
.bg .section .glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  mix-blend-mode: overlay;
  z-index: 1;
  background: radial-gradient(
    80% 150% at 50% 100%,
    hsl(var(--g-h), 100%, var(--g-l)),
    transparent 70%
  );
}

.bg .section:last-of-type {
  --g-h: calc(var(--c-h) - var(--g-h-hue-adjust, 0));
  --g-s: calc(var(--c-s) - 25%);
  --g-l: calc(var(--c-l) + 20%);
  transform: scale3d(1, -1, 1) translateZ(1px);
}

.bg .section:last-of-type::before {
  background: radial-gradient(85% 125% at 50% 140%, black 66.6%, transparent),
    radial-gradient(
      120% 120% at 50% 145%,
      hsl(
          calc(var(--g-h) - var(--g-hue-adjust-2, var(--g-hue-adjust, 0))),
          100%,
          50%
        )
        50%,
      transparent
    ),
    radial-gradient(
      150% 100% at 50% 95%,
      transparent 15%,
      hsl(calc(var(--g-h) + 5), 100%, var(--g-lightness, 100%))
    );
  background-color: hsl(var(--g-h), var(--g-s), var(--g-l));
}

.notch-container {
  position: absolute;
  z-index: 3;
  top: var(--pad);
  right: var(--pad);
  left: var(--pad);
  display: flex;
  justify-content: center;
  height: 100%;
  max-height: calc(var(--notch-radius) * 2);
  pointer-events: none;
  outline: none;
  transition: var(--notch-duration) var(--ease);
  transition-property: max-height, max-width, filter, transform;
  outline: none;
  will-change: max-width, max-height, filter;
}

.notch-container:hover,
.notch-container:focus-within {
  --shadow-opacity: 0.5s;
  transition-timing-function: var(--ease-spring);
}

.notch-container:hover .content,
.notch-container:focus-within .content {
  --content-padding: 2em;
}

.notch-container:hover .content .text,
.notch-container:focus-within .content .text {
  opacity: 1;
}
.notch-container:hover .notch,
.notch-container:focus-within .notch {
  max-width: 100%;
  max-height: 100%;
  pointer-events: all;
  transform: scale3d(1, 1, 1);
}

.notch-container:hover~.notch-blur,
.notch-container:focus-within~.notch-blur {
  opacity: 1;
  max-height: calc(var(--notch-radius) * 2.75 + var(--pad));
}

.notch-container:focus-within {
  max-height: calc(var(--notch-radius) * 3);
  --bar-height: 1em;
  --bar-opacity: 1;
}

.notch-container:focus-within .left,
.notch-container:focus-within .right {
  max-height: calc(100% - var(--bar-height, 0%) -var(--content-gap));
}

.notch-container:focus-within~.notch-blur {
  max-height: calc(var(--notch-radius) * 5);
  opacity: 1;
}

.notch-blur {
  position: absolute;
  z-index: 2;
  top: calc(var(--pad) - 3px);
  right: calc(var(--pad) - 3px);
  left: calc(var(--pad) - 3px);
  height: 100%;
  max-height: calc(var(--notch-radius) * 1.5);
  -webkit-backdrop-filter: blur(0.2em);
  backdrop-filter: blur(0.2em);
  fill: blur(0.1em);
  -webkit-mask-image: linear-gradient(
    to bottom,
    black calc(100% - var(--notch-radius)),
    transparent
  );
  mask-image: linear-gradient(
    to bottom,
    black calc(100% - var(--notch-radius)),
    transparent
  );
  opacity: 0;
  transition: var(--notch-duration) ease-in-out;
  border-radius: calc(var(--border-radius) - var(--pad));
  transition: var(--notch-duration) var(--ease);
  transition-property: max-height, max-width, filter, transform;
  will-change: max-width, max-height, filter;
}

.notch {
  position: relative;
  background: black;
  border-radius: var(--notch-radius);
  pointer-events: all;
  overflow: hidden;
  color: white;
  display: flex;
  cursor: pointer;
  width: 100%;
  transition: inherit;
  transition-property: inherit;
  will-change: inherit;
  filter: drop-shadow(0 1em 2em hsla(0 0% 0%/var(--shadow-opacity, 0)));
  transform: scale3d(0.375, 0.4, 1);
  transform-origin:top;
}

.content {
  --content-padding: 1.75em;
  --duration-height: 0.5em;
  --content-gap: 1em;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: stretch;
  padding: var(--content-padding);
  gap: var(--content-gap);
  font-size: 125%;
  transition-property: padding;
  will-change: padding;
}

.content .left,
.content .right {
  height: 100%;
  max-height: calc(100% -var(--bar-height, 0%));
  display: flex;
  align-items: center;
  gap: 1em;
}

.content,
.content .left,
.content .right,
.content .bar,
.content .text {
  transition: var(--notch-duration) --ease-out;
}

.content .left,
.content .right,
.content .bar {
  transition-property: max-height, opacity;
  will-change: max-height;
}

.content .left {
  flex-grow: 2;
}

.content .text {
  display: flex;
  flex-direction: column;
  gap: 0.333em;
  transition-property: opacity;
  opacity: var(--bar-opacity, 0);
}

.content .text:before {
  content: "MusicArtistName";
  order: 1;
  text-transform: uppercase;
}

.content .text:after {
  order: 2;
  content: "MusicName";
  opacity: 0.5;
}

.content .right {
  flex-grow: 1;
}

.content .title {
  background: #1a1ab3;
  height: 100%;
  aspect-ratio: 1;
  border-radius: 33.3%;
  position: relative;
}

.content .title:before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(
      50% 50% at 55% 40%,
      #131386,
      #cd1385 75%,
      transparent
    )
    center/133.3% 133.3%;
  background-color: yellow;
  filter: blur(0.05em);
}

.content .bar {
  display: flex;
  align-items: center;
  gap: 1em;
  flex-basis: 100%;
  max-height: var(--bar-height, 0%);
  color: rgba(255, 255, 255, 0.5);
  opacity: var(--bar-opacity, 0);
}

.content .bar .duration {
  position: relative;
  height: var(--duration-height);
  background: rgba(255, 255, 255, 0.25);
  border-radius: calc(var(--duration-height) * 0.5);
  overflow: hidden;
  flex-grow: 1;
}

.content .bar .duration::before {
  content: "";
  height: 100%;
  background: white;
  width: 25%;
  position: absolute;
}

.content .bar::before {
  content: "1:20";
}

.content .bar:after {
  content: "-1.48";
}

.camera {
  display: flex;
  justify-content: center;
  align-items: center;
  height: var(--notch-height);
  aspect-ratio: 1/1;
  border-radius: 50%;
  pointer-events: none;
  position: absolute;
  z-index: 4;
  top: calc(var(--pad) * 1);
  right: calc(50% - calc(var(--notch-width) * 0.5));
  margin-right: calc(var(--pad) * 0.333);
}

.camera::before {
  content: "";
  height: 33.3%;
  aspect-ratio: 1;
  border-radius: inherit;
  box-shadow: inset 0 0 0.25em #4c4da3;
  background: radial-gradient(#6667ac, transparent 50%) no-repeat 33.3% 10%/75%
      50%,
    radial-gradient(#454680, transparent 50%) no-repeat 60% 85%/50% 50%;
  background-color: #080928;
}

.pallette {
  display: flex;
  gap: 2em;
  margin-bottom: -0.25em;
}

input[type=radio] {
  display: none;
}

.swatch {
  --swatch-size: 5em;
  background: white;
  width: var(--swatch-size);
  height: var(--swatch-size);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  border: var(--border-width) solid black;
  box-sizing: border-box;
  transition: 0.333s var(--ease-out);
  transition-property: border-color, transform;
  background: radial-gradient(
    100% 100% at 50% 30%,
    var(--swatch-s1),
    var(--swatch-s2)
  );
  opacity: 0;
  transform: translate3d(0, 20%, 0) scale3d(0.75, 0.75, 1);
  -webkit-animation: appear 0.333s var(--ease-out) forwards 0.75s;
  animation: appear 0.333s var(--ease-out) forwards 0.75s;
}

.swatch:nth-child(1) {
  transform-origin: 80% 200%;
}
.swatch:nth-child(21) {
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
  transform-origin: 60% 200%;
}
.swatch:nth-child(3) {
  -webkit-animation-delay: 0.85s;
  animation-delay: 0.85s;
  transform-origin: 40% 200%;
}
.swatch:nth-child(4) {
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
  transform-origin: 20% 200%;
}

.swatch:before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: var(--border-width) solid black;
  background-image: radial-gradient(
    400% 300% at 50% 225%,
    transparent 20%,
    white
  );
}

.swatch[for=deep-purple] {
  --swatch-s1: hsl(var(--deep-purple), 100%, 50%);
  --swatch-s2: hsl(calc(var(--deep-purple) - 60), 100%, 20%);
}

.swatch[for=deep-purple]:before {
  opacity: 0.5;
}

.swatch[for=gold] {
  --swatch-s1: hsl(var(--gold), 100%, 50%);
  --swatch-s2: hsl(var(--gold), 100%, 50%);
}

.swatch[for=space-black] {
  opacity: 0.5;
  --swatch-s1: hsl(var(--space-black), 50%, 20%);
  --swatch-s2: hsl(var(--space-black), 50%, 10%);
}

.swatch[for=space-black]:before {
  opacity: 0.5;
}

.swatch[for=silver] {
  opacity: 0.5;
  --swatch-s1: hsl(var(--silver), 50%, 80%);
  --swatch-s2: hsl(var(--silver), 50%, 10%);
}

.swatch[for=silver]:before {
  opacity: 0.75;
}

.deep-purple {
  --c-h: var(--deep-purple);
  --g-hue-adjust: 60;
}

.gold {
  --c-h: var(--gold);
  --g-hue-adjust-2: -100;
}

.space-black {
  --c-h: var(--space-black);
  --g-hue-adjust: 190;
  --g-hue-adjust-2: 145;
  --g-lightness: 95%;
}

.silver {
  --c-h: var(--silver);
  --c-s: 10%;
  --g-hue-adjust: 30;
  --g-lightness: 95%;
}

.silver .glow {
  opacity: 0.25;
}

#deep-purple:checked~.phone .bg .deep-purple {
  opacity: 1;
  z-index: 1;
  transition-delay: 0s;
}

#deep-purple:checked~.phone .bg .deep-purple .section::before {
  transition-delay: 0s;
  animation: test 1s infinite alternate-reverse;
}

#deep-purple:checked~.pallette label[for=deep-purple] {
  border-color: hsl(var(--deep-purple), 50%, 75%);
}

#gold:checked~.phone .bg .gold {
  opacity: 1;
  z-index: 1;
  transition-delay: 0s;
}

#gold:checked~.phone .bg .gold .section::before {
  transition-delay: 0s;
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  animation: test 1s infinite alternate-reverse;
}

#gold:checked~.pallette label[for=gold] {
  border-color: hsl(var(--gold), 50%, 75%);
}

#space-black:checked~.phone .bg .space-black {
  opacity: 1;
  z-index: 1;
  transition-delay: 0s;
}

#space-black:checked~.phone .bg .space-black .section::before {
  transition-delay: 0s;
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  animation: test 1s infinite alternate-reverse;
}

#space-black:checked~.pallette label[for=space-black] {
  border-color: hsl(var(--space-black), 50%, 75%);
}

#silver:checked~.phone .bg .silver {
  opacity: 1;
  z-index: 1;
  transition-delay: 0s;
}
#silver:checked~.phone .bg .silver .section::before {
  transition-delay: 0s;
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  animation: test 1s infinite alternate-reverse;
}

#silver:checked~.pallette label[for=silver] {
  border-color: hsl(var(--silver), 50%, 75%);
}
@keyframes test {
  from {
    transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  }
  to {
    transform: scale3d(2, 2, 2) translate3d(50px, 50px, 50px);
  }
}