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

body {
    background: #0a0a1a;
    overflow: hidden;
    font-family: 'Press Start 2P', monospace;
    touch-action: none;
}

#canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}

#controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    gap: 10px;
    z-index: 100;
}

@media (max-width: 768px) {
    #controls {
        display: flex;
    }
}

.touch-btn {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
}

.touch-btn:active {
    background: rgba(255,255,255,0.3);
}