body {
    font-family: 'Arial', sans-serif;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.calculator {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    width: 100%;
}

h1 {
    text-align: center;
    color: white;
    margin-top: 0;
    margin-bottom: 20px;
    padding: 15px;
    background: linear-gradient(to right, #2B3689, #2B3689);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.input-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 16px;
}

.time-inputs {
    display: flex;
    gap: 10px;
}

.time-input {
    flex: 1;
}

button {
    background-color: #BCCE7C;
    color: white;
    border: none;
    padding: 12px 0;
    width: 100%;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #BCCE7C;
}

.result {
    margin-top: 20px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    text-align: center;
}

.result h2 {
    margin-top: 10px;
    margin-bottom: 5px;
    color: #333;
}

.result p {
    margin-bottom: 15px;
    font-size: 24px;
    color: #BCCE7C;
    font-weight: bold;
}

.chart-container {
    width: 100%;
    height: 300px;
    margin-top: 20px;
}

.two-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.column {
    flex: 1;
    min-width: 300px;
}