body {
    margin: 0;
    padding: 0;
    background-color: #aaaaaa;
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
}

.main-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 20px;
}

.sidebar {
    width: 400px;
    background-color: #2a2a2a;
    padding: 25px;
    box-sizing: border-box;
}

.sidebar h1 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 20px;
    color: #4facfe;
    border-bottom: 2px solid #4facfe;
    padding-bottom: 10px;
}

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

.controls li {
    margin-bottom: 8px;
    font-size: 0.95rem;
    border-bottom: 1px solid #444;
    padding-bottom: 5px;
}