body {
    font-family: 'Roboto', sans-serif;
    background-color: #f9fafb;
    color: #1f2937;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    color: white;
    background-color: #343a40;
    padding: 10px;
    border-radius: 4px;
}

.content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (min-width: 768px) {
    .content {
        flex-direction: row;
    }
}

.input-card, .output-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    flex: 1;
}

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

input[type="number"], select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="range"] {
    width: 100%;
    margin-bottom: 20px;
}

.output-card h2 {
    text-align: center;
    margin-bottom: 20px;
}

.output-card p {
    margin: 10px 0;
}

.green {
    color: #10b981;
}

.bold {
    font-weight: bold;
}

#maturity {
    font-size: 2em; /* Twice the default font size */
}

#pieChart {
    max-width: 100%;
    height: auto;
}