body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table th, .table td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ddd;
}

.table th {
    background-color: #f4f4f4;
}

.btn {
    display: inline-block;
    padding: 10px 15px;
    background-color: #007BFF;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

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

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

.form input, .form textarea, .form button {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

details {
    margin-left: 20px;
    border: 1px solid #ddd;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

summary {
    font-weight: bold;
    cursor: pointer;
    color: #007BFF;
}

summary:hover {
    text-decoration: underline;
}

.red {
    color: red;
}