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

header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

.container {
    width: 90%;
    margin: auto;
    overflow: hidden;
}

.dashboard {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.menu {
    width: 20%;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.menu li {
    margin-bottom: 10px;
}

.menu a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.menu a:hover {
    color: #007bff;
}

.content {
    width: 75%;
}

.panel {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
}

.panel h2 {
    color: #333;
}

form {
    margin-bottom: 15px;
}

form label {
    font-weight: bold;
}

form input[type="text"],
form textarea {
    width: 100%;
    padding: 8px;
    margin-top: 6px;
    margin-bottom: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

form button {
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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