DMakedonsky
Викторина

<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<title>Видео-викторина</title>
<style>
  body {
    margin: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
  }

  #playerContainer {
    position: relative;
    width: 100%;
    height: 100%;
  }

  video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
  }

  #overlay {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 80px;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;

    /* Плавное появление/исчезновение */
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none; /* чтобы кнопки не были кликабельны, когда скрыты */
  }

  #overlay.show {
    opacity: 1;
    pointer-events: auto;
  }

  button {
    font-size: 1.3rem;
    padding: 10px 24px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s;
  }

  button:hover {
    transform: scale(1.05);
  }

  #checkBtn {
    background: #ffcc00; /* желтая */
    color: #000;
  }

  #continueBtn {
    background: #cccccc; /* светло-серая */
    color: #000;
  }

  .roundBtn {
    background: #333;
    color: #fff;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    padding: 0;
  }
</style>
</head>
<body>

<div id="playerContainer">
  <video id="myVideo" controls>
    <source src="Viktorina-01-1.mp4" type="video/mp4">
    Ваш браузер не поддерживает видео.
  </video>

  <div id="overlay">
    <button id="checkBtn">✅ Проверить ответ</button>
    <button id="continueBtn">▶ Продолжить</button>
    <button id="restartBtn" class="roundBtn">⏮</button>
    <button id="fullscreenBtn" class="roundBtn">⛶</button>
  </div>
</div>

<script>
  const container = document.getElementById("playerContainer");
  const video = document.getElementById("myVideo");
  const overlay = document.getElementById("overlay");
  const checkBtn = document.getElementById("checkBtn");
  const continueBtn = document.getElementById("continueBtn");
  const restartBtn = document.getElementById("restartBtn");
  const fullscreenBtn = document.getElementById("fullscreenBtn");

  // исходные точки остановки
  const originalCheckPoints = [14, 29, 45];
  const originalContinuePoints = [];

  let checkPoints = [...originalCheckPoints];
  let continuePoints = [...originalContinuePoints];

  video.addEventListener("timeupdate", () => {
    const current = Math.floor(video.currentTime);

    if (checkPoints.includes(current)) {
      video.pause();
      overlay.classList.add("show");
      checkBtn.style.display = "inline-block";
      continueBtn.style.display = "none";
      checkPoints.splice(checkPoints.indexOf(current), 1);
    }

    if (continuePoints.includes(current)) {
      video.pause();
      overlay.classList.add("show");
      checkBtn.style.display = "none";
      continueBtn.style.display = "inline-block";
      continuePoints.splice(continuePoints.indexOf(current), 1);
    }
  });

  function hideOverlay() {
    overlay.classList.remove("show");
  }

  checkBtn.addEventListener("click", () => {
    hideOverlay();
    video.play();
  });

  continueBtn.addEventListener("click", () => {
    hideOverlay();
    video.play();
  });

  restartBtn.addEventListener("click", () => {
    video.currentTime = 0;
    checkPoints = [...originalCheckPoints];
    continuePoints = [...originalContinuePoints];
    hideOverlay();
    video.play();
  });

  fullscreenBtn.addEventListener("click", () => {
    if (!document.fullscreenElement) {
      container.requestFullscreen();
    } else {
      document.exitFullscreen();
    }
  });
</script>

</body>
</html>