obthearchitect/index.html

## index.html
<head>
  <script src="https://player.live-video.net/1.0.0/amazon-ivs-player.min.js"></script>
</head>

<body>
  <div id="app">
    <div class="inner">

      <!-- Player wrapper, forcing 16:9 aspect ratio -->
      <div class="player-wrapper">
        <div class="aspect-spacer"></div>
        <div class="pos-absolute full-width full-height top-0">
          <video id="video-player" class="el-player" playsinline></video>
        </div>
      </div>

      <!-- Quiz UI -->
      <div class="quiz-wrap">
        <div id="waiting"><span class="waiting-text float">Waiting for the next question</span></div>
        <div id="quiz" class="card drop">
          <div id="card-inner">
            <h2 id="question"></h2>
            <div id="answers"></div>
          </div>
        </div>
      </div>

    </div>
  </div>
</body>

## script.js
const playbackUrl =
  "https://fcc3ddae59ed.us-west-2.playback.live-video.net/api/video/v1/us-west-2.893648527354.channel.xhP3ExfcX8ON.m3u8";
const videoPlayer = document.getElementById("video-player");
const quizEl = document.getElementById("quiz");
const waitMessage = document.getElementById("waiting");
const questionEl = document.getElementById("question");
const answersEl = document.getElementById("answers");
const cardInnerEl = document.getElementById("card-inner");

(function (IVSPlayer) {
  const PlayerState = IVSPlayer.PlayerState;
  const PlayerEventType = IVSPlayer.PlayerEventType;

  // Initialize player
  const player = IVSPlayer.create();
  player.attachHTMLVideoElement(videoPlayer);

  // Attach event listeners
  player.addEventListener(PlayerState.PLAYING, function () {
    console.log("Player State - PLAYING");
  });
  player.addEventListener(PlayerState.ENDED, function () {
    console.log("Player State - ENDED");
  });
  player.addEventListener(PlayerState.READY, function () {
    console.log("Player State - READY");
  });
  player.addEventListener(PlayerEventType.ERROR, function (err) {
    console.warn("Player Event - ERROR:", err);
  });

  player.addEventListener(PlayerEventType.TEXT_METADATA_CUE, function (cue) {
    const metadataText = cue.text;
    const position = player.getPosition().toFixed(2);
    console.log(
      `PlayerEvent - METADATA: "${metadataText}". Observed ${position}s after playback started.`
    );
    triggerQuiz(metadataText);
  });

  // Setup stream and play
  player.setAutoplay(true);
  player.load(playbackUrl);

  // Setvolume
  player.setVolume(0.1);

  // Remove card
  function removeCard() {
    quizEl.classList.toggle("drop");
  }

  // Trigger quiz
  function triggerQuiz(metadataText) {
    let obj = JSON.parse(metadataText);

    quizEl.style.display = "";
    quizEl.classList.remove("drop");
    waitMessage.style.display = "none";
    cardInnerEl.style.display = "none";
    cardInnerEl.style.pointerEvents = "auto";

    while (answersEl.firstChild) answersEl.removeChild(answersEl.firstChild);
    questionEl.textContent = obj.question;

    let createAnswers = function (obj, i) {
      let q = document.createElement("a");
      let qText = document.createTextNode(obj.answers[i]);
      answersEl.appendChild(q);
      q.classList.add("answer");
      q.appendChild(qText);

      q.addEventListener("click", (event) => {
        cardInnerEl.style.pointerEvents = "none";
        if (q.textContent === obj.answers[obj.correctIndex]) {
          q.classList.toggle("correct");
        } else {
          q.classList.toggle("wrong");
        }
        setTimeout(function () {
          removeCard();
          waitMessage.style.display = "";
        }, 1050);
        return false;
      });
    };

    for (var i = 0; i < obj.answers.length; i++) {
      createAnswers(obj, i);
    }
    cardInnerEl.style.display = "";
  }

  waitMessage.style.display = "";
})(window.IVSPlayer);

## style.css
/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}
ul[class],
ol[class] {
  padding: 0;
}
body,
h1,
h2,
h3,
h4,
p,
ul[class],
ol[class],
figure,
blockquote,
dl,
dd {
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}
ul[class],
ol[class] {
  list-style: none;
}
a:not([class]) {
  text-decoration-skip-ink: auto;
}
img {
  max-width: 100%;
  display: block;
}
article > * + * {
  margin-top: 1em;
}
input,
button,
textarea,
select {
  font: inherit;
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Variables */
:root {
  --radius: 12px;
  --text-color-light: #000;
  --text-alt-color-light: #777;
  --text-color-dark: #fff;
  --text-alt-color-dark: #777;
  --bg-color-light: #e9e9e9;
  --bg-color-dark: #28292d;
  --bg-alt-color-light: #e9e9e9;
  --bg-alt-color-dark: #28292d;
}

/* Style */
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body {
  overflow: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Ubuntu, "Helvetica Neue", sans-serif;
  user-select: none;
}

#app {
  background: #253f93;
  height: 100%;
}

.inner {
  max-width: 1080px;
  display: flex;
  flex-direction: column;
  position: relative;
  align-items: stretch;
  margin: 0 auto;
  padding: 40px;
}

.player-wrapper {
  width: 100%;
  position: relative;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  border-radius: var(--radius);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.aspect-spacer {
  padding-bottom: 56.25%;
}

.el-player {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  background: #000;
  border-radius: var(--radius);
}

video {
  width: 100%;
  border-radius: var(--radius);
  background: #000;
}

.quiz-wrap {
  min-height: 460px;
  position: relative;
  transition: all 0.25s ease-in;
}

.card {
  margin: 0 20px;
  padding: 20px;
  position: absolute;
  left: 0;
  right: 0;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.1);
  transition: all 1s cubic-bezier(1, -0.56, 0, 1);
  transform: translate3d(0, 0, 0) scale(1);
  backface-visibility: hidden;
  z-index: 1;
}

.card.drop {
  opacity: 0;
  transform: translate3d(0, 200px, -20px) scale(0.92);
}

h2 {
  font-size: 25px;
  text-align: center;
  padding-bottom: 20px;
}

.answer {
  height: 50px;
  line-height: 50px;
  font-size: 20px;
  display: flex;
  text-decoration: none;
  border: 1px solid #d5dbdb;
  border-radius: 50px;
  padding: 0 24px;
  margin: 10px 0;
  background: #fafafa;
  color: #545b64;
  transition: all 0.05s ease-in-out;
}

.answer:hover {
  background: #ebebebe0;
}

.answer:active {
  background: #ff9900;
  border: 1px solid #eb5f07;
  color: #fff;
}

.answer.correct {
  background: #25a702;
  border: 1px solid #1d8102;
  color: #fff;
  animation: blink 0.45s infinite;
}

.answer.wrong {
  background: #d13212;
  border: 1px solid #b7290d;
  color: #fff;
  animation: blink 0.45s infinite;
}

#waiting {
  top: 100px;
  left: 0;
  right: 0;
  position: absolute;
  display: flex;
  align-items: center;
}

.waiting-text {
  width: 100%;
  display: block;
  text-align: center;
  font-size: 18px;
  color: #d5dbdb;
}

.float {
  transform: translatey(0px);
  animation: float 6s ease-in-out infinite;
}

/* Utility - Position */
.pos-absolute {
  position: absolute !important;
}
.pos-fixed {
  position: fixed !important;
}
.pos-relative {
  position: relative !important;
}
.top-0 {
  top: 0 !important;
}
.bottom-0 {
  bottom: 0 !important;
}

/* Utility - Width/Height */
.full-width {
  width: 100%;
}
.full-height {
  height: 100%;
}

/* Utility – Show/Hide */
.show {
  transition: opacity 180ms;
}
.hide {
  opacity: 0;
}

/* Animations */
@keyframes blink {
  50% {
    opacity: 0.8;
  }
}

@keyframes float {
  0% {
    transform: translatey(0px);
  }
  50% {
    transform: translatey(-20px);
  }
  100% {
    transform: translatey(0px);
  }
}

/* Mediaqueries */
@media (max-width: 767px) {
  h2 {
    font-size: 20px;
  }
  .card {
    top: -20px;
  }
}

@media (min-width: 767px) {
  .card {
    top: -25%;
  }
}
	<head>
	<script src="https://player.live-video.net/1.0.0/amazon-ivs-player.min.js"></script>
	</head>

	<body>
	<div id="app">
	<div class="inner">

	<!-- Player wrapper, forcing 16:9 aspect ratio -->
	<div class="player-wrapper">
	<div class="aspect-spacer"></div>
	<div class="pos-absolute full-width full-height top-0">
	<video id="video-player" class="el-player" playsinline></video>
	</div>
	</div>

	<!-- Quiz UI -->
	<div class="quiz-wrap">
	<div id="waiting"><span class="waiting-text float">Waiting for the next question</span></div>
	<div id="quiz" class="card drop">
	<div id="card-inner">
	<h2 id="question"></h2>
	<div id="answers"></div>
	</div>
	</div>
	</div>

	</div>
	</div>
	</body>
	const playbackUrl =
	"https://fcc3ddae59ed.us-west-2.playback.live-video.net/api/video/v1/us-west-2.893648527354.channel.xhP3ExfcX8ON.m3u8";
	const videoPlayer = document.getElementById("video-player");
	const quizEl = document.getElementById("quiz");
	const waitMessage = document.getElementById("waiting");
	const questionEl = document.getElementById("question");
	const answersEl = document.getElementById("answers");
	const cardInnerEl = document.getElementById("card-inner");

	(function (IVSPlayer) {
	const PlayerState = IVSPlayer.PlayerState;
	const PlayerEventType = IVSPlayer.PlayerEventType;

	// Initialize player
	const player = IVSPlayer.create();
	player.attachHTMLVideoElement(videoPlayer);

	// Attach event listeners
	player.addEventListener(PlayerState.PLAYING, function () {
	console.log("Player State - PLAYING");
	});
	player.addEventListener(PlayerState.ENDED, function () {
	console.log("Player State - ENDED");
	});
	player.addEventListener(PlayerState.READY, function () {
	console.log("Player State - READY");
	});
	player.addEventListener(PlayerEventType.ERROR, function (err) {
	console.warn("Player Event - ERROR:", err);
	});

	player.addEventListener(PlayerEventType.TEXT_METADATA_CUE, function (cue) {
	const metadataText = cue.text;
	const position = player.getPosition().toFixed(2);
	console.log(
	`PlayerEvent - METADATA: "${metadataText}". Observed ${position}s after playback started.`
	);
	triggerQuiz(metadataText);
	});

	// Setup stream and play
	player.setAutoplay(true);
	player.load(playbackUrl);

	// Setvolume
	player.setVolume(0.1);

	// Remove card
	function removeCard() {
	quizEl.classList.toggle("drop");
	}

	// Trigger quiz
	function triggerQuiz(metadataText) {
	let obj = JSON.parse(metadataText);

	quizEl.style.display = "";
	quizEl.classList.remove("drop");
	waitMessage.style.display = "none";
	cardInnerEl.style.display = "none";
	cardInnerEl.style.pointerEvents = "auto";

	while (answersEl.firstChild) answersEl.removeChild(answersEl.firstChild);
	questionEl.textContent = obj.question;

	let createAnswers = function (obj, i) {
	let q = document.createElement("a");
	let qText = document.createTextNode(obj.answers[i]);
	answersEl.appendChild(q);
	q.classList.add("answer");
	q.appendChild(qText);

	q.addEventListener("click", (event) => {
	cardInnerEl.style.pointerEvents = "none";
	if (q.textContent === obj.answers[obj.correctIndex]) {
	q.classList.toggle("correct");
	} else {
	q.classList.toggle("wrong");
	}
	setTimeout(function () {
	removeCard();
	waitMessage.style.display = "";
	}, 1050);
	return false;
	});
	};

	for (var i = 0; i < obj.answers.length; i++) {
	createAnswers(obj, i);
	}
	cardInnerEl.style.display = "";
	}

	waitMessage.style.display = "";
	})(window.IVSPlayer);
	/* Reset */
	*,
	*::before,
	*::after {
	box-sizing: border-box;
	}
	ul[class],
	ol[class] {
	padding: 0;
	}
	body,
	h1,
	h2,
	h3,
	h4,
	p,
	ul[class],
	ol[class],
	figure,
	blockquote,
	dl,
	dd {
	margin: 0;
	}
	html {
	scroll-behavior: smooth;
	}
	body {
	min-height: 100vh;
	text-rendering: optimizeSpeed;
	line-height: 1.5;
	}
	ul[class],
	ol[class] {
	list-style: none;
	}
	a:not([class]) {
	text-decoration-skip-ink: auto;
	}
	img {
	max-width: 100%;
	display: block;
	}
	article > * + * {
	margin-top: 1em;
	}
	input,
	button,
	textarea,
	select {
	font: inherit;
	}
	@media (prefers-reduced-motion: reduce) {
	* {
	animation-duration: 0.01ms !important;
	animation-iteration-count: 1 !important;
	transition-duration: 0.01ms !important;
	scroll-behavior: auto !important;
	}
	}

	/* Variables */
	:root {
	--radius: 12px;
	--text-color-light: #000;
	--text-alt-color-light: #777;
	--text-color-dark: #fff;
	--text-alt-color-dark: #777;
	--bg-color-light: #e9e9e9;
	--bg-color-dark: #28292d;
	--bg-alt-color-light: #e9e9e9;
	--bg-alt-color-dark: #28292d;
	}

	/* Style */
	html,
	body {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	overflow: hidden;
	}

	body {
	overflow: hidden;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
	Ubuntu, "Helvetica Neue", sans-serif;
	user-select: none;
	}

	#app {
	background: #253f93;
	height: 100%;
	}

	.inner {
	max-width: 1080px;
	display: flex;
	flex-direction: column;
	position: relative;
	align-items: stretch;
	margin: 0 auto;
	padding: 40px;
	}

	.player-wrapper {
	width: 100%;
	position: relative;
	overflow: hidden;
	transform: translate3d(0, 0, 0);
	backface-visibility: hidden;
	border-radius: var(--radius);
	box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
	z-index: 1;
	}

	.aspect-spacer {
	padding-bottom: 56.25%;
	}

	.el-player {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	background: #000;
	border-radius: var(--radius);
	}

	video {
	width: 100%;
	border-radius: var(--radius);
	background: #000;
	}

	.quiz-wrap {
	min-height: 460px;
	position: relative;
	transition: all 0.25s ease-in;
	}

	.card {
	margin: 0 20px;
	padding: 20px;
	position: absolute;
	left: 0;
	right: 0;
	background: #fff;
	border-radius: 20px;
	box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.1);
	transition: all 1s cubic-bezier(1, -0.56, 0, 1);
	transform: translate3d(0, 0, 0) scale(1);
	backface-visibility: hidden;
	z-index: 1;
	}

	.card.drop {
	opacity: 0;
	transform: translate3d(0, 200px, -20px) scale(0.92);
	}

	h2 {
	font-size: 25px;
	text-align: center;
	padding-bottom: 20px;
	}

	.answer {
	height: 50px;
	line-height: 50px;
	font-size: 20px;
	display: flex;
	text-decoration: none;
	border: 1px solid #d5dbdb;
	border-radius: 50px;
	padding: 0 24px;
	margin: 10px 0;
	background: #fafafa;
	color: #545b64;
	transition: all 0.05s ease-in-out;
	}

	.answer:hover {
	background: #ebebebe0;
	}

	.answer:active {
	background: #ff9900;
	border: 1px solid #eb5f07;
	color: #fff;
	}

	.answer.correct {
	background: #25a702;
	border: 1px solid #1d8102;
	color: #fff;
	animation: blink 0.45s infinite;
	}

	.answer.wrong {
	background: #d13212;
	border: 1px solid #b7290d;
	color: #fff;
	animation: blink 0.45s infinite;
	}

	#waiting {
	top: 100px;
	left: 0;
	right: 0;
	position: absolute;
	display: flex;
	align-items: center;
	}

	.waiting-text {
	width: 100%;
	display: block;
	text-align: center;
	font-size: 18px;
	color: #d5dbdb;
	}

	.float {
	transform: translatey(0px);
	animation: float 6s ease-in-out infinite;
	}

	/* Utility - Position */
	.pos-absolute {
	position: absolute !important;
	}
	.pos-fixed {
	position: fixed !important;
	}
	.pos-relative {
	position: relative !important;
	}
	.top-0 {
	top: 0 !important;
	}
	.bottom-0 {
	bottom: 0 !important;
	}

	/* Utility - Width/Height */
	.full-width {
	width: 100%;
	}
	.full-height {
	height: 100%;
	}

	/* Utility – Show/Hide */
	.show {
	transition: opacity 180ms;
	}
	.hide {
	opacity: 0;
	}

	/* Animations */
	@keyframes blink {
	50% {
	opacity: 0.8;
	}
	}

	@keyframes float {
	0% {
	transform: translatey(0px);
	}
	50% {
	transform: translatey(-20px);
	}
	100% {
	transform: translatey(0px);
	}
	}

	/* Mediaqueries */
	@media (max-width: 767px) {
	h2 {
	font-size: 20px;
	}
	.card {
	top: -20px;
	}
	}

	@media (min-width: 767px) {
	.card {
	top: -25%;
	}
	}