* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden; /* Prevents scrollbars */
    background-color: #0f0f0f;
    background-image: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
    font-family: 'Exo 2', sans-serif;
    color: white;
    touch-action: none; /* Disables double-tap zoom on mobile */
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Removed border/shadow from container as it wraps full screen now */
}

canvas {
    display: block;
    /* Add shadow/border directly to the canvas */
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    border: 2px solid #333;
    border-radius: 4px;
}