body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #ecf0f1;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 15px;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.sidebar ul li a:hover {
    background-color: #34495e;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    background-color: #ecf0f1;
}

.section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.section h2 {
    color: #2c3e50;
    margin-top: 0;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

.form-container {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.form-container input {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.form-container button {
    width: 100%;
    padding: 12px;
}

.hidden {
    display: none;
}

#formMessage {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
}