16-drink-water

html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./style.css">
    <title>Document</title>
</head>
<body>
    <h1>Drink Water</h1>
    <h3>Goal: 2 Liters</h3>
    <div class="cup">
        <div class="remained" id="remained">
            <span id="liters"></span>
            <small>Remained</small>
        </div>

        <div class="percentage" id="percentage"></div>
    </div>

    <p class="text">Select how many glasses of water that you have drank</p>

    <div class="cups">
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        <div class="cup cup-small">250 ml</div>
        
    </div>


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

css

@import url('https://fonts.googleapis.com/css?family=Montserrat:400,600&display=swap');

:root {
  --border-color: #144fc6;
  --fill-color: #6ab3f8;
}

* {
  box-sizing: border-box;
}

body{
    background-color: #3494e4;
    color: #fff;
    font-family: 'Montserrat' sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
}

h1{
    margin: 10px 0 0;
}

h3{
    font-weight: 400;
    margin: 10px 0;
}

.cup{
    background-color: #fff;
    border: 4px solid var(--border-color);
    color: var(--border-color);
    border-radius: 0 0 40px 40px;
    height: 330px;
    width: 150px;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cup.cup-small{
    height: 95px;
    width: 50px;
    border-radius: 0 0 15px 15px;
    background-color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-size: 14px;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 5px;
    transition: 0.3s ease;
}

.cup.cup-small.full{
    background-color: var(--fill-color);
    color: #fff;
}

.cups{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 280px;
}

.remained{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex: 1;
    transition: 0.3s ease;
}

.remained span{
    font-size: 20px;
    font-weight: bold;
}

.percentage{
    background-color: var(--fill-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 30px;
    height: 0;
    transition: 0.3s ease;
}

.text{
    text-align: center;
    margin: 0 0 5px;
}

const smallCups = document.querySelectorAll('.cup-small')
const liters = document.getElementById('liters');
const percentage = document.getElementById('percentage')
const remained = document.getElementById('remained')


updateBigCup()

smallCups.forEach((cup,idx)=>{
    cup.addEventListener('click',()=>highlightCups(idx))
})

function highlightCups(idx){
    if(idx===7 && smallCups[idx].classList.contains("full")){
        idx--;
    }
    else if(smallCups[idx].classList.contains('full')&& !smallCups[idx].nextElementSibling.classList.contains('full')){
        idx--
    }
 

    smallCups.forEach((cup,idx2)=>{
        if(idx2<=idx){
            cup.classList.add('full')
        }else{
            cup.classList.remove('full')
        }
    })

    updateBigCup()
}

function updateBigCup(){
    const fullCups = document.querySelectorAll('.cup-small.full').length
    const totalCups = smallCups.length

    if(fullCups === 0){
        percentage.style.visibility='hidden'
        percentage.style.height=0;
    }else{
        percentage.style.visibility='visible'
        percentage.style.height=`${fullCups / totalCups *330}px`
        percentage.innerText=`${fullCups / totalCups * 100}%`
    }

    if(fullCups === totalCups){
        remained.style.visibility='hidden'
        remained.style.height=0
    }else{
        remained.style.visibility='visible'
        liters.innerText=`${2-(250 * fullCups / 1000)}L`
    }

}