.container {
    padding-top: 50px;
}
.card {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    border: none;
}
.card h3, .card h2, .card h1 {
    font-family: 'Arial', sans-serif;
    font-weight: bold;
}
.card h1 {
    font-size: 2rem;
    color: #343a40;
}
.card h2 {
    font-size: 1.5rem;
    color: #495057;
}
.card h3 {
    font-size: 1.25rem;
    color: #6c757d;
}
.card p {
    margin: 0;
}
.summary-card {
    background-color: #f8f9fa;
}
.details-card {
    margin-bottom: 20px;
}
.header-text {
    text-align: center;
    margin-bottom: 20px;
}
.btn-primary {
    background-color: #007bff;
    border: none;
}
.btn-primary:hover {
    background-color: #0056b3;
}
.form-label {
    font-weight: bold;
}
.form-control {
    border-radius: 5px;
}
.text-center {
    text-align: center;
}
#results, #total {
    margin-top: 20px;
}
#chart-container {
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    display: none;  /* Hide the chart container by default */
}