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

*{
    padding: 0;
    margin: 0 ;
}

.head{
    width:100% ;
    display: flex;
    text-align: center;
    justify-content: center;
    align-items: center;
}

.heading1 , .heading2{
    font-size: 10vh;
    text-align: center;
    font-family: 'Permanent Marker', cursive;
    letter-spacing: 1vw;
    color: #fdfdfe;
  text-shadow: 0px 0px 5px #b393d3, 0px 0px 10px #b393d3, 0px 0px 10px #b393d3,
    0px 0px 20px #b393d3;
    padding: 15px;
    margin-left: 3px;
    margin-right: 3px;
}


.app{
    height: 130vh;
    background-color: #301934;
    padding: 3vh;

}

#calculator {
    height: 100vh;
    width: 100%;
}

.history{
    display: none;
    text-align: center;
    cursor:grabbing;
    height: 100vh;
    width: 50vw ;
    background-image: url("./bg.png") ;
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    z-index: 111;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    color: white;
    overflow-y: scroll;
    border: 5px solid white;
    border-radius: 50px;
    border-top-left-radius: 50px;
    padding: 10px;
}

.history::-webkit-scrollbar{
    display: none;
}
.history-row{
    height: 100px;
    width: 100%;
    margin-top: 20px ;
    margin-bottom: 20px ;
    border-radius: 50px;
    display: flex;
    flex-direction: column;
}
.history-row .question , .history-row .answer{
    height: 50%;
    text-align: left ;
    padding-left: 15px;
    letter-spacing: 2px;
    font-family: 'Nuosu SIL', serif;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
}

.history-row .answer{
    color: white;
}
.history-row .question{
    color: rgb(222, 203, 203);
}
.history .history-head{
    line-height: 30px;
    padding: 10px;
    border-bottom: 3px solid wheat;
    font-family: 'Pacifico', cursive;
    display: flex;
    letter-spacing: 3px;
}

.history .history-head h1{
    width: 75%;
    position: relative;
    left: 20%;
}

.history .history-head .cross{
    width: 25%;
    text-align:right ;
}

.history.toggle{
    display:none ;
}

.showing{
    display: block;
}

.history .history-head .cross span{
    background-color: white;
    padding: 10px;
    color: black;
    border-radius: 50%;
    font-size: x-large;
    font-weight: 900;
}

.history .history-content{
    font-size: large;
    padding: 10px;
    word-spacing: 3px;
    font-family: 'Permanent Marker', cursive;
}


.container {
    background-color: black;
    position: relative;
    top: 40%;
    left: 50%;
    transform: translate(-50%,-40%);
    width: 30%;
    height: 90%;
    border-radius: 0 0 30px 30px;
    display: flex;
    flex-direction: column;
}

.output {
    width: 100%;
    display: flex;
    flex-direction: column;
    height: 30%;
}

.operation {
    width: 100%;
    height: 40%;
    color: #878787;
    font-size: 4vh;
    font-weight: bold;
    position: relative;
    overflow: hidden;
}


.operation .value {
    position: absolute;
    bottom: 5px;
    right: 10px;
    white-space: nowrap;
    overflow: hidden;
}

.result {
    width: 100%;
    height: 70%;
    color: #FFF;
    font-size: 6vh;
    font-weight: bold;
    overflow: hidden;
    position: relative;
}

.result .value {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 10px;
    white-space: nowrap;
    overflow: hidden;
}

.input {
    background-color: #FFF;
    border-radius: 0 0 25px 25px;
    border: 1px solid #1d1d1d;
    height: 70%;
    display: flex;
    flex-direction: column;
}

.column1{
    width: 100%;
    height: 50%;
}
.column2{
    width: 100%;
    height: 50%;
}
 .row2 , .row {
     height: 20%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.row2 button , .row button {
    width: 18.5%;
    height: 90%;
    font-size: 5vh;
    border: none;
    margin-top: 10%;    
    margin-bottom: 10%;  
    background-color: transparent;
    cursor: pointer;
}

.row button:hover , .row2 button:hover {
    font-weight: bold;
    color: red;
}

.row2 #calculate {
    color: #FFF;
    background-color: #46e0bc;
    border-radius: 50px;
}

.row2 #delete {
    color: #FFF;
    background-color: #e05046;
    border-radius: 10px !important;
}

#division,
#multiplication,
#subtraction,
#addition {
    color: #18b893;
}

.input button span {
    font-size: 0.6em;
    position: absolute;
}

.active-angle {
    background-size: contain;
    background-color: #1d1d1d !important;
    color: #FFF !important;
    border-radius: 10px !important;
    overflow: hidden;
}

@media only screen and ( max-width : 1800px)
{
    .container{
        width: 45%;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
}


@media only screen and ( max-width : 1500px)
{
    .head{
        width:100% ;
        display: flex;
        flex-direction: column;        
        text-align: center;
        justify-content: center;
        align-items: center;
    }
    .app{
        height: 140vh;
        background-color: #301934;
        padding: 3vh;
    }
}




@media only screen and ( max-width : 1400px)
{
    .row2 button , .row button {
        width: 25%;
        height: 90%;
        font-size: 25px;
        border: none;
        border-radius: 50%;
        margin-top: 5%;    
        margin-bottom: 5%;    
    
        background-color: transparent;
        cursor: pointer;
    }
}

@media only screen and ( max-width : 1000px)
{
    .row2 button , .row button {
        width: 25%;
        height: 90%;
        font-size: 20px;  
        margin: 0 ;
    }

    .input{
        display: flex;
        flex-direction: column;
    }.column1{
        width: 100% ;
        height: 50%;
    }
    .column2{
        width: 100% ;
        height: 50%;
    }
    .container{
        width: 70%;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
    .history{
        width: 70vw;
    }
    .history-row .question , .history-row .answer{
        font-size: 20px;
    }
}


@media only screen and ( max-width : 900px)
{
    .heading1 , .heading2{
        font-size: 8vh;
        text-align: center;
        font-family: 'Permanent Marker', cursive;
        color: #fdfdfe;
      text-shadow: 0px 0px 5px #b393d3, 0px 0px 10px #b393d3, 0px 0px 10px #b393d3,
        0px 0px 20px #b393d3;
        padding: 15px;
        margin-left: 3px;
        margin-right: 3px;
    }
    .app{
        width: 120vw;
    }
}

@media only screen and ( max-width : 600px)
{

    .heading1 , .heading2{
        font-size: 7vh;
    }
    .row2 button , .row button {
        width: 25%;
        height: 80%;
        font-size: 20px;   
        margin: 0;
    }
    .container{
        width: 100%;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
    .history{
        width: 100vw;
    }
    .history-row .question , .history-row .answer{
        font-size: 15px;
    }
}
@media only screen and ( max-width : 400px)
{
    .row2 button , .row button {
        font-size: 15px;   
    }
}