.plec-pro-calculator {
    max-width: 700px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 14px;
    font-family: Arial, sans-serif;
}
.plec-pro-calculator input, 
.plec-pro-calculator select, 
.plec-pro-calculator button {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
}
.plec-results {
    background: #f5f7fa;
    padding: 15px;
    border-radius: 10px;
    margin-top: 15px;
}
.plec-table {
    overflow-x: auto;
    margin-top: 20px;
}
.plec-table table {
    width: 100%;
    border-collapse: collapse;
}
.plec-table th, .plec-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}
@media(max-width:600px) {
    .plec-pro-calculator {
        padding: 15px;
    }
}