/* Calculator start */
.calculator-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding-top: 10px;
}

.calculator {
    padding: 10px;
    border-radius: 1em;
    width: 100%;
    max-width: 300px; /* Ensure it doesn't stretch too much */
    background-color: #191b28;
    box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 10px;
}

.calculator .display-box {
    font-family: 'Orbitron', sans-serif;
    background-color: #dcdbe1;
    border: solid black 0.5px;
    color: black;
    border-radius: 5px;
    width: 100%;
    height: 65px;
    text-align: right;
    padding: 10px;
    box-sizing: border-box;
}

.calculator .calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.calculator button {
    font-family: 'Orbitron', sans-serif;
    background-color: #64278f;
    color: white;
    border: solid black 0.5px;
    height: 60px;
    border-radius: 5px;
    outline: none;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator button:active {
    background: #e5e5e5;
    -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
    -moz-box-shadow: inset 0px 0px 5px #c1c1c1;
    box-shadow: inset 0px 0px 5px #c1c1c1;
}

.calculator .btn-clear {
    background-color: #fb0066;
}

.calculator .btn-copytotal {
    background-color: #fb0066;
    grid-column: span 2;
}
.calculator .btn-operator {
    background-color: #64278f;
}

.calculator .btn-equal {
    background-color: #fb0066;
    
}

.calculator .btn-zero {
    grid-column: span 2;
}
/* Calculator End */