@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');



*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", serif;
    color: white;
}


body {

width: 100%; 
height: 100dvh;   
background-image: url('../media/techblue.jpg') ;
display: flex;
background-size: cover;
align-items: center;
justify-content: center;


}

.container{

    width: 300px;
    display: flex;
    flex-direction: column;
  
   
    background: linear-gradient(
 
    to top,
    rgb(0, 0, 0, 0.15),
    rgb(255, 255, 255, 0.15),

    );

    backdrop-filter: blur( 25px);
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0px 0px 20px 10px #0e52a4;
}


.screen{

   
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: end;
    justify-content: center;
}

.screen .calculate{

    font-weight: 600;
    font-size: 32px;
}


.screen .result{
    font-size: 24px;
    color:  rgb(255, 255, 255, 0.75);
 
}


.screen .calculate,
.screen .result {
   
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    width: 100%;
    text-align: right;
}


.button-box{
 
    gap: 12px;
    display: grid;
    grid-template-columns: auto auto auto auto;
}

.button-box button {
    width: 50px;
    height: 50px;
    background:  rgb(255, 255, 255, 0.15) ;
    border-radius: 99px;
    font-size: 22px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.25s;
}

.button-box button:hover{

    transform: scale(0.95);
    background:  rgb(255, 255, 255, 0.25) ;
}

.button-box .operation-btn{
    background:  rgb(0, 0, 0, 0.15) !important;
    font-weight: 600 !important;
}

.button-box .operation-btn:hover {
    background: rgba(100, 100, 100, 0.25)  !important ;

}


.button-box .letter-btn{
    font-size: 16px;

}

.button-box  .nol-btn{
    grid-column: span 2;
    width: 110px;
    background:#0e52a4 ;
}