@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bgcolor: #2D2F3B;
    --mainboxcolor: #202020;
    --boxcolor: #383B42;
    --btncolor2: #393c4295;
    --btncolor3: #323232;
    --bluecolor: #47b1e9;
    --btncolo: #FFB800;
    --fontcolor: #ffffff;
    --lablecolor: #818181;
    --greencolor: #06DD57;
    --hovercolor:#1a212e;
}
.light{
    --bgcolor: #414244;
    --mainboxcolor: #ECEBF0;
    --boxcolor: #a4a7af;
    --btncolor2: #FFFFFF;
    --btncolor3: #323232;
    --bluecolor: #47b1e9;
    --btncolo: #FFB800;
    --fontcolor: #000000;
    --lablecolor: #818181;
    --greencolor: #06DD57;
    --hovercolor:#ECEBF0;
}

body {
    background-color: var(--bgcolor);
    color: var(--fontcolor);
    font-family: 'Poppins', sans-serif;
}
.mainCenter{
    justify-content: center;
}
.crossCenter{
    align-items: center;
}
.row{
    display: flex;
}
.col{
    flex-direction: column;
}
.mainBox{
    width: 100vw;
    height: 100vh;
}
.Screen{
    background-color: var(--mainboxcolor);
    width: 320px;
    height: 540px;
    border-radius: 10px;
    transition: all .5s ease-in;
    padding: 10px;
}
.Screen:hover{
    background-color: var(--hovercolor);
}
.title{
    margin-left: 5px;
}
.header{
    justify-content: space-between;
    align-items: center;
}
.contollbtn{
    padding: 5px 15px;
    background-color: transparent;
    border: none;
    color: var(--lablecolor);
}
.Output{
    height: 150px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    overflow-x: scroll;
    justify-content: end;
}
::-webkit-scrollbar{
    display: block  ;
    
}
.opration{
    text-align: end;
    font-size: 18px;
}
.result{
    text-align: end;
    font-size: 30px;
    font-weight: bold;
}

.firstRow{
    background-color: transparent;
    color: var(--lablecolor);
    font-size: 12px;
    border: none;
    padding: 10px;
}
.btn{
    justify-content: space-between;
    gap: 3px;
    margin-top: 3px;
}
.logo{
    width: 20px;
    height: 20px;
   cursor: pointer;
}
.Flogo{
    width: 25px;
    height: 25px;
    cursor: pointer;
}

.mainButton{
    font-size: 15px;
    background-color: var(--btncolor2);
    border: none;
    width: 90px;
    height: 50px;
    border-radius: 5px;
    color: var(--fontcolor);
}       
.mainButton:hover{
    background-color: var(--boxcolor);
}
.orange{
    width: 180px;
 background-color: var(--btncolo);
}
.green{
  
    background-color: var(--greencolor);
}
.red{
    width: 180px;
    background-color: rebeccapurple;
}
.foot{
    margin-top: 10px;
}
.ficon{
    background-color: transparent;
    border: none;
}
.footer_C{
    position: absolute;
    bottom: 10px;
}
.author{
    text-decoration: none;
    color: var(--btncolo);
    font-weight: 500;
    letter-spacing: 1.5px;
}
*{
    
}