body {
    margin: 0;
    font-family: Arial, sans-serif;
}

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

.sidebar {
    width: 220px;
    height: 100%;
    background: #1e1e1e;
    color: #fff;
    padding: 20px;
}

.logo {
    margin-bottom: 20px;
}

.menu-title {
    margin: 15px 0 5px;
    font-size: 12px;
    color: #888;
}

.sidebar a {
    display: block;
    padding: 10px;
    color: #bbb;
    text-decoration: none;
    border-radius: 4px;
}

.sidebar a:hover {
    background: #333;
    color: #fff;
}

.sidebar a.active {
    background: #4f46e5;
    color: #fff;
    font-weight: bold;
}

.content {
    width: 100%;
    height: 100%;
    flex: 1;
    background: #f5f5f5;
    padding: 40px;
}

.container {
    max-width: 100vw;
    height: 100%;
    background: #fff;
    border-radius: 8px;
    padding: 10px;
}

textarea {
    width: 100%;
    height: 160px;
    margin-top: 10px;
}

button {
    margin-top: 10px;
    padding: 8px 14px;
    cursor: pointer;
}