body {
    font-family: Arial, sans-serif;
    margin: 0;
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 200px;
    background: #f4f4f4;
    padding: 20px;
}

.sidebar a {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: black;
}

.sidebar a.active {
    background: blue;
    color: white;
}

.container {
    flex-grow: 1;
    padding: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

button {
    padding: 10px;
    background: blue;
    color: white;
    border: none;
    cursor: pointer;
}