body {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    font-family: sans-serif;
    overflow: hidden;
}

#selection-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #00ffdd;
}

.button-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    max-width: 600px;
    width: 90%;
}

button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    background-color: #333;
    color: #00ffdd;
    border: 1px solid #00ffdd;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

button:hover {
    background-color: #00ffdd;
    color: #111;
}

.instructions {
    margin-top: 2rem;
    color: #aaa;
}

#screensaver-canvas {
    display: none;
    /* Initially hidden */
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #000;
}