/* Global Styles for All Calculators */
.calculator-wrapper {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    max-width: 500px;
}

.calculator-wrapper h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.calculator-wrapper input,
.calculator-wrapper select,
.calculator-wrapper button {
    padding: 10px;
    font-size: 16px;
    margin: 5px 0;
    width: 100%;
    box-sizing: border-box;
}

.calculator-wrapper button {
    background-color: #3498db;
    color: white;
    border: none;
    cursor: pointer;
}

.calculator-wrapper button:hover {
    background-color: #2980b9;
}