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HTML

              
                <div class="main inactive">
  <div class="bg-main"></div>
  <section class="search">
    <div class="search-box">
      <div class="introduction-text">
        <h1>Search over 200 million songs.</h1>
        <p>Know what you want to listen to? Just search and hit play.</p>
      </div>
      <div class="cancel"></div>
      <form class="search-form">
        <div class="query-box">
          <input class="query-input" type="text" autocomplete="off" name="search" placeholder="e.g. 'foals', 'queen'">
          <div id="results">
          </div>
        </div>
      </form>
    </div>
  </section>


</div>
              
            
!

CSS

              
                /* responsive down to mobile */

/* implementation based on original concept design by Clément Goebels */
/* https://www.behance.net/gallery/33015995/Spotify-UI-redesign-concept */

body {
  margin: 0em;
  padding: 0;
  font-family: 'CircularBook', Helvetica, Arial, sans-serif;
  background-size: 100% 100%;
}

.bg-main {
  background: url(https://samratcliffe.github.io/images/spotifybg.png) no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  z-index: -1;
}


.main {}

.search {
  width: 97%;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.query-box {
  position: relative;
  z-index: 1;
}

.search-box {
  color: #fff;
}

.inactive .introduction-text {
  max-height: 99em;
  opacity: 1;
}

.introduction-text {
  max-height: 0em;
  opacity: 0;
  transition: max-height 0.3s, opacity 0.3s;
}

.search-box h1 {
  font-family: "CircularBlack";
  font-size: 3.5em;
  margin: 1em 0 0 0;
  line-height: 1;
  font-weight: normal;
}

.cancel {
  display: inline-block;
  vertical-align: top;
  width: 4.7em;
  height: 4.7em;
  margin-top: 1em;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  background: url(https://samratcliffe.github.io/images/cancel.svg) no-repeat;
  background-size: contain;
  transform: translate(0em, 0);
  transition-duration: 0.3s;
  transition-delay: 0s;
}

.inactive .cancel {
  opacity: 0;
  visibility: hidden;
  width: 0px;
  transition-duration: 0.3s;
  transition-delay: 0s;
  transform: translate(2em, 0);
}

.search-form {
  display: inline-block;
  vertical-align: top;
  width: calc(100% - 7em);
  ;
}

.search-form input.inactive {
  border: 1px solid #fff;
  font-size: 1.25em;
  max-width: 18em;
  padding: 0.6em;
}

.main.inactive .search-form input {
  border: 1px solid #fff;
  font-size: 1.25em;
  max-width: 18em;
  padding: 0.6em;
}

.search-form input {
  box-sizing: border-box;
  font-family: 'CircularLight', Helvetica, Arial, sans-serif;
  width: 100%;
  max-width: 100%;
  font-size: 5.5em;
  background: transparent;
  transition: all 0.3s;
  padding: 0 0.2em;
  color: #fff;
  border: solid 1px transparent;
  border-bottom: solid 1px #666;
  margin-bottom: 0.1em;
  outline: none;
}

.search-form #results {
  text-align: left;
  transform: translate(0, -1.5em);
  overflow-y: auto;
  transition: transform 0.2s, opacity 0.2s, visibility 0s 0.3s;
  z-index: -1;
  opacity: 1;
  position: relative;
  display: flex;
  align-items: flex-start;
  visibility: hidden;
}

.search-form #results.active {
  opacity: 1;
  visibility: visible;
  transform: translate(0, 0em);
  transition-delay: 0s;
}

#results ul {
  margin: 0;
  position: relative;
  padding: 0em 0.7em 0.5em 0.7em;
  color: #fff;
  min-height: 40em;
  flex-basis: 24.5%;
  flex-grow: 1;
  opacity: 0;
  transition: opacity 0.3s;
}

#results.active ul {
  opacity: 1;
}

#results ul:nth-of-type(4) {
  transition-delay: 0.2s;
}

#results ul:nth-of-type(3) {
  transition-delay: 0.15s;
}

#results ul:nth-of-type(2) {
  transition-delay: 0.1s;
}

#results ul:nth-of-type(1) {
  transition-delay: 0.05s;
}

#results ul div div {
  display: inline-block;
  width: 49%;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding: 1em 0 0.5em 0;
  font-size: 0.75em;
}

#results ul div .title-wrap {
  color: #888;
}

#results ul div .show-more-wrap {
  text-align: right;
}

#results ul div .show-more-wrap a {
  display: inline-block;
  border: 1px solid #666;
  color: #ddd;
  text-decoration: none;
  padding: 0.7em 1.5em;
  border-radius: 1.8em;
  text-align: center;
  vertical-align: middle;
  font-size: 0.8em;
  letter-spacing: 0.3em;
  background: rgba(255, 255, 255, 0);
}

#results ul div .show-more-wrap a:hover {
  border-color: #fff;
}

#results ul li:hover {
  background: rgba(255, 255, 255, 0.05);
}

#results ul li {
  list-style-type: none;
  position: relative;
  line-height: 1;
  padding: 0.3em;
  margin: 0 0 2px 0;
  transition: background 0.2s;
}

#results ul li>div {
  padding: 0.3em;
  box-sizing: border-box;
  width: calc(70% - 0.5em);
}

#results ul li>figure {
  width: 20%;
  margin-right: 0.5em;
}

#results ul li>figure img {
  width: 100%;
}

#results ul li:last-child {
  margin-bottom: 0;
}

#results.active ul li {
  opacity: 1;
  transform: translate(0, 0em) rotateX(0deg);
}

#results li > figure,
#results li > div {
  display: inline-block;
  vertical-align: middle;
  margin: 0;
}

#results ul li p {
  margin: 0;
  padding: 0.2em 0;
  line-height: 1.2;
}

#results ul li>a {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}

#results ul li a {
  text-decoration: none;
  color: inherit;
}

#results ul li a:hover {
  text-decoration: underline;
}

#results ul.artists li:first-of-type .item-title {
  font-size: 1.375em;
}

p.item-title {
  font-family: "CircularBook";
}

#results ul.artists li:first-of-type .item-title a {
  color: #fff;
}

p.item-subtitle {
  color: #666;
  font-family: "CircularLight";
  text-transform: capitalize;
}


/* Artists */

#results ul.artists li figure div {
  width: 100%;
  padding-bottom: 100%;
  height: 0;
  position: relative;
}

#results ul.artists li {
  margin-bottom: 1.5em;
}

#results ul.artists li:first-of-type figure {
  width: 27%;
}

#results ul.artists li>figure div img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
}


/*Playlists */

#results ul.playlists li figure {
  display: none;
}

#results ul.playlists {
  flex-basis: 20%;
}

#results ul.playlists div .show-more-wrap a {
  display: none;
}


/*Tracks*/

#results ul.tracks {
  flex-basis: 30%;
}

#results ul.tracks li>div>a {
  width: 2em;
  display: inline-block;
  height: 2em;
  border: 1px solid #aaa;
  position: absolute;
  border-radius: 50%;
  right: 0.5em;
  top: 50%;
  opacity: 0;
  transform: translate(0%, -50%);
  transition: opacity 0.3s, background-color 0.2s;
  background: url(https://samratcliffe.github.io/images/play.svg) no-repeat;
  background-color: rgba(255, 255, 255, 0.0);
  background-size: 1em 1em;
  background-position: 58% 50%;
}

#results ul.tracks li:hover>div>a {
  opacity: 1;
  transition-delay: 0.2s;
}

#results ul.tracks li>div>a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transition-delay: 0s;
}

#results ul.tracks li {
  padding-right: 2.3em;
}


/*Albums */

#results ul.albums li {
  position: absolute;
  transition: transform 0.3s;
  transform-origin: top;
  width: 84%;
  left: 8%;
  box-sizing: border-box;
  font-size: 1.25em;
}

#results ul.albums li figure {
  width: 100%;
}

#results ul.albums li:nth-of-type(1) {
  transform: scale(0.8);
  margin-top: 0;
}

#results ul.albums li:nth-of-type(2) {
  transform: scale(0.9);
  margin-top: 2em;
}

#results ul.albums li:nth-of-type(3) {
  transform: scale(1);
  margin-top: 4em;
}

#results ul.albums li:not(:last-of-type) p {
  display: none;
}

@media only screen and (max-width:1024px) {
  #results ul.playlists {
  display:none;
}
}
@media only screen and (max-width:768px) {
  #results {
    flex-flow: column;
  }
  #results ul {
    width:100%;
    box-sizing:border-box;
    min-height:auto;
  }
  #results ul.albums {
  display:none;
}
}
              
            
!

JS

              
                /* Functional, Memoized, cached, and object-oriented spotify search. written in vanilla js.
 */


function searchLibrary(query) {
  //if the result is cached, return it.
  searchLibrary.cache = searchLibrary.cache || {};
  if (searchLibrary.cache[encodeURIComponent(query)]) {
    return writeResults(searchLibrary.cache[encodeURIComponent(query)]);
  }
  //otherwise create an ajax promise
  makeNetworkRequest(query).then(function(response) {
    searchLibrary.cache[encodeURIComponent(query)] = response;
    writeResults(response);
  }, function(e) {
    console.error(e)
  });

}

function writeResults(results) {
  var output = document.getElementById("results");
  output.innerHTML = "";

  for (var resultType in JSON.parse(results)) {
    var items = JSON.parse(results)[resultType].items;
    var update = new resultList(resultType, items).render();
    var domElement = document.getElementsByClassName(resultType);
    output.appendChild(update);
  }
}


function makeNetworkRequest(query) {
  return new Promise(function(resolve, reject) {
    var API_URL = "https://api.spotify.com/v1/search?limit=3&type=artist,track,album,playlist&q=" + encodeURI(query);
    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function() {
      if (xhr.readyState == 4 && xhr.status == 200) {
        resolve(xhr.responseText);
      }
    }
    xhr.onerror = function() {
      reject(new Error("network error"))
    }
    xhr.open("GET", API_URL, true);
    xhr.send();
  });
}


function listItem() {
  this.render = function() {
    var li = document.createElement("li");
    var divImage = document.createElement("figure");
    var divImageWrap = document.createElement("div");
    var divDesc = document.createElement("div");
    var img = document.createElement("img");
    var title = document.createElement("p");
    var subtitle = document.createElement("p");
    var anchor = document.createElement("a");
    var imgAnchor = document.createElement("a");
    img.src = this.src === 0 ? "https://samratcliffe.github.io/images/placeholder.jpg" : this.src;
    anchor.href = imgAnchor.href = this.href;
    anchor.target = imgAnchor.target = "_blank";
    title.classList.add("item-title");
    subtitle.classList.add("item-subtitle");
    title.innerHTML = this.title;
    subtitle.innerHTML = this.subtitle;
    imgAnchor.appendChild(img);
    divImageWrap.appendChild(imgAnchor);
    divDesc.appendChild(title);
    divDesc.appendChild(subtitle);
    divDesc.appendChild(anchor);
    divImage.appendChild(divImageWrap);
    li.appendChild(divImage);
    li.appendChild(divDesc);
    return li;
  }
}

function resultListItem(resultItem) {
  this.title = "<a target='_blank' href='" + resultItem.external_urls.spotify + "'>" + (resultItem.name.length > 45 ? resultItem.name.substr(0, 45) + "…" : resultItem.name) + "</a>";
  this.href = resultItem.external_urls.spotify;
  switch (resultItem.type) {
    case "artist":
      this.subtitle = Number(resultItem.followers.total).toLocaleString() + " listeners";
      this.src = resultItem.images.length && resultItem.images.slice(-1)[0].url;
      break;
    case "album":
      this.subtitle = resultItem.album_type;
      this.src = resultItem.images.length && resultItem.images.slice(1)[0].url;
      break;
    case "track":
      this.subtitle = "<a target='_blank'  href='" + resultItem.artists[0].external_urls.spotify + "'>" + resultItem.artists[0].name + "</a>" + " • " + "<a target='_blank' href='" + resultItem.album.external_urls.spotify + "'>" + resultItem.album.name + "</a>";
      this.src = resultItem.album.images.length && resultItem.album.images.slice(-1)[0].url;
      break;
    case "playlist":
      this.subtitle = resultItem.type;
      this.src = 0;
      break;
    default:
      this.subtitle = resultItem.type;
      break;
  }
}
resultListItem.prototype = new listItem();

function resultList(name, results) {
  this.name = name;
  this.results = results;
  //render
  this.render = function() {
    var ul = document.createElement("ul");
    var headerWrap = document.createElement("div");
    var titleWrap = document.createElement("div");
    var showMoreWrap = document.createElement("div");
    titleWrap.classList.add("title-wrap");
    showMoreWrap.classList.add("show-more-wrap");
    ul.classList.add(this.name);
    var showMore = document.createElement("a");
    showMore.innerHTML = "SHOW MORE";
    showMore.href = "javascript:void(0)";
    var header = document.createElement("p");
    header.innerHTML = this.name;
    titleWrap.appendChild(header);
    showMoreWrap.appendChild(showMore);
    headerWrap.appendChild(titleWrap);
    headerWrap.appendChild(showMoreWrap);
    ul.appendChild(headerWrap)
    this.results.map(function(item) {
      var li = new resultListItem(item);
      ul.appendChild(li.render());
    });
    return ul;
  }
}

var search = document.getElementsByClassName("query-input")[0];

search.addEventListener("keyup", function(e) {
  var query = e.target.value;
  var results = document.getElementById("results");
  results.classList = query === "" ? "" : "active";
  searchLibrary(query);
});
search.addEventListener("focus", function(e) {
  var main = document.getElementsByClassName("main")[0];
  main.classList = "main";
});

//cancel on X click or ESC
var cancel = document.getElementsByClassName("cancel")[0];
cancel.addEventListener("click", cancelInput);

document.onkeydown = function(e) {
  e = e || window.event;
  var isEscape = false;
  if ("key" in e) {
    isEscape = e.key == "Escape";
  } else {
    isEscape = e.keyCode == 27;
  }
  if (isEscape) cancelInput();
};

function cancelInput() {
  var main = document.getElementsByClassName("main")[0];
  main.classList.add("inactive");
  search.value = '';
  document.getElementById("results").classList = "";
  search.blur();
}
              
            
!
999px

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