body {
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1000px;
    margin: auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    border-radius: 10px;
}

h1, h3 {
    text-align: center;
}

label {
    display: inline-block;
    margin: 5px 10px;
}

button {
    margin: 10px;
    padding: 5px 15px;
    border: none;
    background: #007bff;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 8px;
    text-align: center;
}

#plots {
    width: 100%;
    height: 500px;
}