JSFiddle - React, Tailwind, and code Playground

by annndrewww

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="styles.css" />
    <title>Aim Training | Проект 5</title>
  </head>
  <body>
    <div class="screen">
      <h1>Aim Training</h1>
      <a id="start" href="#" class="start">Начать игру</a>
    </div>

    <div class="screen">
      <h1>Выберите время</h1>
      <ul id="time-list" class="time-list">
        <li>
          <button data-time="10" class="time-btn">
            10 сек
          </button>
        </li>
        <li>
          <button data-time="20" class="time-btn">
            20 сек
          </button>
        </li>
        <li>
          <button data-time="30" class="time-btn">
            30 сек
          </button>
        </li>
      </ul>
    </div>

    <div class="screen">
      <h1>Выберите сложность</h1>
      <ul id="diff-list" class="time-list">
        <li>
          <button id="easy" class="difficult easy">
            Легкий
          </button>
        </li>
        <li>
          <button id="medium" class="difficult medium">
            Средний
          </button>
        </li>
        <li>
          <button id="hard" class="difficult hard">
            Сложный
          </button>
        </li>
        <li>
          <button id="mixed" class="difficult mixed">
            Смешанный
          </button>
        </li>
      </ul>
    </div>



    <div class="screen">
      <h3>Осталось <span id="time">00:00</span></h3>
      <div class="board" id="board"></div>
    </div>


    <script src="app.js"></script>
  </body>
</html>

CSS

@import url('https://fonts.googleapis.com/css?family=Khula&display=swap');

* {
  box-sizing: border-box;
}

body {
  color: #fff;
  font-family: 'Khula', sans-serif;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  text-align: center;
}

a {
  color: #fff;
  text-decoration: none;
}

a:hover {
  color: #16D9E3;
}

.start {
  font-size: 1.5rem;
}

h1 {
  line-height: 1.4;
  font-size: 4rem;
}

.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  transition: margin 0.5s ease-out;
  background: linear-gradient(90deg, #29323C 0%, #485563 100%);
}

.screen.up {
  margin-top: -100vh;
}

.time-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
}

.time-list li {
  margin: 10px;
}

.time-btn {
  background-color: transparent;
  border: 2px solid #C0C0C0;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  padding: .5rem 1rem;
  font-size: 1.5rem;
}

.difficult {
  background-color: transparent;
  border: 2px solid #C0C0C0;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  padding: .5rem 1rem;
  font-size: 1.5rem;
}

.difficult:hover {
  border: 2px solid #16D9E3;
  color: #16D9E3;
}

.time-btn:hover {
  border: 2px solid #16D9E3;
  color: #16D9E3;
}

.hide {
  opacity: 0;
}

.primary {
  color: #16D9E3;
}

.board {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 500px;
  height: 500px;
  background: linear-gradient(118.38deg, #29323C -4.6%, #485563 200.44%);
  box-shadow: -8px -8px 20px #2A333D, 10px 7px 20px #475462;
  border-radius: 30px;
  overflow: hidden;
}

.circle {
  background: linear-gradient(90deg, #16D9E3 0%, #30C7EC 47%, #46AEF7 100%);
  position: absolute;
  border-radius: 50%;
  cursor: pointer;
}

@media screen and (max-width: 767px) {
  .board {
    width: 90%;
  }
}

JavaScript

const startBtn = document.querySelector('#start')
const diffBtns = document.querySelector('#diff-list')
const screen = document.querySelectorAll('.screen')
const timeBtns = document.querySelector('#time-list')
const timeEl = document.querySelector('#time')
const board = document.querySelector('#board')
const colors = ['#abdee6', '#cbaacb', '#ffffb5', '#ffccb6', '#f3b0c3']
let time = 10
let score = 0

startBtn.addEventListener('click', (event) => {
  event.preventDefault()
  screen[0].classList.add('up')
})
// DIFFICLUT BUTTONS
diffBtns.addEventListener('click', (event) => {
  if (event.target.classList.contains('easy')) {
    screen[2].classList.add('up')
    startEasyGame()
  }
})

diffBtns.addEventListener('click', (event) => {
  if (event.target.classList.contains('medium')) {
    screen[2].classList.add('up')
  }
})

diffBtns.addEventListener('click', (event) => {
  if (event.target.classList.contains('hard')) {
    screen[2].classList.add('up')
  }
})

diffBtns.addEventListener('click', (event) => {
  if (event.target.classList.contains('mixed')) {
    screen[2].classList.add('up')
    startMixedGame()
  }
})
// DIFFICULT BUTTONS END

timeBtns.addEventListener('click', (event) => {
  if (event.target.classList.contains('time-btn')) {
    time = parseInt(event.target.getAttribute('data-time'))
    screen[1].classList.add('up')
  }

})

board.addEventListener('click', event => {
  if (event.target.classList.contains('circle')) {
    score++
    event.target.remove()
    createMixedCircle()
  }
})



function minusScore() {
  board.addEventListener('click', event => {
    if (event.target.classList.contains('board')) {
      score--

    }
  })

}

// START GAME
function startMixedGame() {
  setInterval(decreaseTime, 1000)
  setTime(time)
  createMixedCircle()
  minusScore()
}

function startEasyGame() {
  setInterval(decreaseTime, 1000)
  setTime(time)
  createEasyCircle()
  minusScore()
}

// START GAME END

function decreaseTime() {
  if (time === 0) {
   ...