*{
    box-sizing: border-box;
}

body{
    background:#0A1F44;
    font-family: Arial,sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}


 h1{
    letter-spacing: 1px;
    font-weight:1000;
    font-size: 35px;
    text-align: center;
    border-bottom: 1px solid #333;
    padding-bottom: 30px;
    color: #1e3a8a ;
    margin-top:0;

}
.container {
    display: flex;
    flex-direction: column;
    background-color:#FFFFFF;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-align: center;
    height: auto;
    min-height: 80%;
    width: 600px;
    padding: 15px 25px;
    position: relative;

}
.container > div{
    gap: 10px;
    display: flex;
    justify-content:center;
    flex-direction: column;
}

input{
    width: 100%;
    padding:10px;
    border-radius: 6px;
    border: 1px solid black;
    margin-bottom: 15px;
    font-size: 24px;

}

input:focus{
    border-color: rgb(220, 70, 155);
    box-shadow: 0 0 5px rgba(70, 0, 40, 0.4);
}

label{
    text-align:left;
    font-size: 33px;
    font-weight: bold;
    margin-top: 10px;
    color: rgb(41, 46, 1);
    padding: 10px;
}

#totalAmount, #reset{
    flex: 1;
    padding: 10px;
    font-size: 25px;
    color: white;
    border:none;
    outline:none;
    border-radius: 6px;
    margin-top: 10px;
    cursor: pointer;
} 

::placeholder{
    color: rgb(133, 143, 140);
    font-size: 20px;
}
#result{
    font-weight: bold;
    font-size: 25px;
    margin-top: 15px;
    text-align: center;
    color: #333;
    padding: 15px;
}
#totalAmount{
    background-color:#2563eb;
    font-weight: bold;

}
#reset{
    background-color:#dc2626;
    font-weight: bold;

}

.arrow{
    font-size: 45px;
    color: #0f2a52;
    font-weight: bold;
    position: absolute;
    top: 20px;
    left: 20px;   
    cursor: pointer;
}
@media(max-width:768px){
    h1{
        font-size: 28px;
    }
    .container{
        width: 90%;
    }
    lable{
        font-size: 20px;
    }
    input{
        font-size: 18px;
    }
}