* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}

body {
    background-color: #000000; /* Deep pitch black background */
    color: #ffffff;
    font-family: monospace;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    height: 100%;
    max-width: 450px;  /* Traditional arcade phone aspect ratio */
    max-height: 800px;
    border: 4px solid #ffffff; /* Sharp brutalist border border */
    box-shadow: 10px 10px 0px #ff0055; /* Punchy retro shadow */
}