body {
    font-family: Arial, sans-serif;
    background: #f0f4f8;
    margin: 0;
    padding: 40px;
}

label {
    font-size: 1.1em;
    margin-right: 10px;
}

select {
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid #bbb;
    font-size: 1em;
    margin-right: 10px;
}

a {
    display: inline-block;
    padding: 7px 18px;
    background: #0078d7;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s;
    margin-left: 10px;
}

a:hover {
    background: #005fa3;
}

#outputText {
    margin-top: 24px;
    font-size: 1.1em;
    color: #333;
    background: #e6f2ff;
    padding: 12px 18px;
    border-radius: 4px;
    width: fit-content;
}
 
form {
    background: #fff;
    padding: 32px 28px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    max-width: 340px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

label {
    font-size: 1em;
    margin-bottom: 4px;
}

input[type="text"], input[type="password"] {
    padding: 8px 12px;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-size: 1em;
    margin-bottom: 10px;
}

a {
    display: inline-block;
    padding: 9px 0;
    background: #0078d7;
    color: #fff;
    border-radius: 4px;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s;
    margin-top: 10px;
}

a:hover {
    background: #005fa3;
}

#message {
    margin-top: 8px;
    font-size: 1em;
    color: #d8000c;
    background: #fff4f4a4;
    padding: 8px 12px;
    border-radius: 4px;
    min-height: 24px;
}


table{
    color: #e9d8e8;
    text-align: center;
    border-collapse: collapse;
    font: normal  3em Arial, Helvetica, sans-serif;
}

td{
    height: 16.02vh;
    border: 1px solid purple
}

td{
    width: 25vw;
    border: 1px solid purple;
}

#inputBox{
    background-color: purple;
    text-align: right;
    width: 100%;
    font-size: 2em;
    color: rgb(214, 214, 214);
    border: 0px;
}

.digitButton{
    background-color: violet;
}

.operatorButton{
    background-color: rgb(99, 47, 96);
}

.AcButton{
    background-color: rgb(61, 30, 52);
}
.operatorButton.active-operator {
    background-color: #764f7e;
    color: #fff;
    transition: background 0.2s;
}