body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    background-image: url('assets/background.jpg');
    background-size: cover;
    background-position: center;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333333;
}

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

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

input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #cccccc;
    border-radius: 4px;
}

button {
    width: 100%;
    padding: 10px;
    color: #ffffff;
    background: #007bff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.chart-container {
    margin-top: 20px;
    padding: 15px;
    background: #e9f7ef;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
}