@import url('https://fonts.googleapis.com/css2?family=Noto+Sans&display=swap');

:root{
  --noto : 'Noto Sans', sans-serif;
  --font-clr : #FFF;
  --button-clr :rgba(234,121,18,1);
}

*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: var(--noto);
}
body{
  background: rgb(189,107,234);
  background: -moz-linear-gradient(145deg, rgba(189,107,234,1) 1%, rgba(234,121,18,1) 49%, rgba(34,0,52,1) 100%);
  background: -webkit-linear-gradient(145deg, rgba(189,107,234,1) 1%, rgba(234,121,18,1) 49%, rgba(34,0,52,1) 100%);
  background: linear-gradient(145deg, rgba(189,107,234,1) 1%, rgba(234,121,18,1) 49%, rgba(34,0,52,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#bd6bea",endColorstr="#220034",GradientType=1);
}

.container{
  padding: 10px;
  width: 100%;
  height: 100vh;
  }

.todo-app{
background: rgba(255, 255, 255, 0.3);
border-radius: 24px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
backdrop-filter: blur(5.4px);
-webkit-backdrop-filter: blur(5.4px);
width: 100%;
max-width: 600px;
margin:100px auto 20px;
padding: 40px  30px 70px;
}

.todo-app h2 {
  color: var(--font-clr);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.todo-app h2 img{
  width: 50px;
  margin-left: 10px;
}

.task{
  display:flex;
  align-items: center;
  justify-content: center;
  padding-left: 20px;
  margin-bottom: 25px;
  background: var(--font-clr);
  border-radius: 10px;
}

input{
  flex: 1;
  background: transparent;
  outline: none;
  border: none;
  padding:10px;
}

input::placeholder{
  font-size: 14px;
  color: #000;
}


button{
  position: relative;
  background-color: var(--button-clr);
  border-bottom-right-radius: 10px;
  border-top-right-radius: 10px;
  border: 0;
  font-size: 16px;
  color: white;
  padding: 0.8em 1.8em;
  cursor:pointer;
  user-select:none;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
}

button:hover {
  transition-duration: 0.1s;
  background-color:  rgba(34,0,52,1);
}

button:after {
  content: "";
  display: block;
  position: absolute;
  border-bottom-right-radius: 10px;
  border-top-right-radius: 10px;
  left: 0;
  top:0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: all 0.5s;
  box-shadow: 0 0 10px 40px white;
}

button:active:after {
  box-shadow: 0 0 0 0 white;
  position: absolute;
  border-bottom-right-radius: 10px;
  border-top-right-radius: 10px;
  left: 0;
  top:0;
  opacity: 1;
  transition: 0s;
}

button:active {
  top: 1px;
}


ul li{
  list-style: none;
  font-size: 17px;
  padding: 12px 8px 12px 50px;
  cursor : pointer;
  color: var(--font-clr);
  font-weight: 500;
  user-select: none;
  position: relative;
}

ul li::before{
  content: ' ';
  position: absolute;
  height: 28px;
  width: 28px;
  border-radius: 50%;
  background-image: url(imgs/unchecked.png);
  background-size: cover;
  background-position: center;
  top: 12px;
  left:8px;
}

ul li.checked{
  color: #555;
  text-decoration: line-through;
}

ul li.checked::before{
    background-image: url(imgs/checked.png);

}

ul li span{
  position:absolute;
  right: 0;
  top:5px;
  width: 40px;
  height: 40px;
  font-size: 22px;
  color: #555;
  line-height: 40px;
  text-align: center;
  border-radius: 50%;
}
ul li span:hover{
  background: var(--font-clr);
}

footer{
  width: 97%;
  position: fixed;
  bottom: 0;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;

}

footer, footer a{
  color: var(--font-clr);
  transition: all .2s ease;
  font-size: 1.5vw;
}

footer a:hover{
  color: #000;
}