body {
    background-color: #f4f7f6;
    font-family: 'Roboto', sans-serif;
}

.container {
    max-width: 800px;
    margin: auto;
}

.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(45deg, #007bff, #0056b3);
}

.card-title {
    margin: 0;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    transition: background-color 0.3s, border-color 0.3s;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.form-section {
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.section-title {
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: bold;
    color: #333333;
}

.result {
    background-color: #e9f7ef;
    border: 1px solid #d4edda;
    border-radius: 10px;
    padding: 20px;
}

.result h2, .result h3 {
    margin: 0;
    color: #155724;
}
