/* General modal styles  */
.calculator-content {
    width: 320px;
    border-radius: 10px;
    background-color: #cfd8dc;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: none;
    padding: 10px 20px;
}
.custom-modal-header {
    width: 20px;
    margin-left: auto;
}
.custom-modal-header:hover {
    background-color: inherit;
}
.close {
    font-size: 1.5rem;
    color: #333;
}

.container {
    padding: 1px;
}

#display {
    background-color: #eceff1;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1.8rem;
    margin-bottom: 20px;
    width: 100%;
}

.button-row {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}
.calculator-dialog {
    max-width: 320px;
}

.calculator-dialog .calculator-btn,
.button-row .calculator-btn {
    background-color: #546e7a;
    border: 1px solid #546e7a;
    border-radius: 8px;
    color: #ffffff;
    cursor: pointer;
    font-size: 1rem;
    flex: 1;
    margin: 0 5px;
    transition: all 0.2s ease-in-out;
}
.button-row .calculator-btn {
    padding: 10px 20px;
}

.calculator-btn:hover {
    background-color: #f0f0f0;
}
.modal-body {
    padding: auto;
}
.calculator-btn:active {
    background-color: #ddd;
    transform: scale(0.95);
}

.operator-group {
    background-color: #546e7a;
    color: #ffffff;
}

.operator-group:hover {
    background-color: #546e7a;
}

.operand-group {
    background-color: #90a4ae;
    color: #ffffff;
    cursor: pointer;
    transition: box-shadow 0.3s ease;

    /* box-shadow: 0px 4px #90a4ae; */
}

.operand-group:hover {
    background-color: #90a4ae;
}

#clear {
    background-color: #f44336;
    color: #ffffff;
}
#backspace {
    background-color: #ff9800;
    color: #ffffff;
}

#clear:hover {
    background-color: #f44336;
}

#equal {
    background-color: #4caf50;
    color: #ffffff;
}

#equal:hover {
    background-color: #4caf50;
}

@media (max-width: 576px) {
    #display {
        font-size: 1.5rem;
        padding: 10px;
    }

    .calculator-btn {
        font-size: 1rem;
        padding: 3px 15px;
    }
}