body {
    background-color: #1a1a1a;
    color: white;
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    touch-action: none;
}

.game-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.score-board {
    font-size: 24px;
    margin-bottom: 10px;
}

canvas {
    background-color: #000;
    border: 3px solid #444;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    max-width: 90vw;
    max-height: 45vh;
}

.mobile-controls {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.row {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.ctrl-btn {
    width: 75px;
    height: 75px;
    background-color: #333;
    color: white;
    border: 2px solid #555;
    border-radius: 15px;
    font-size: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.ctrl-btn:active {
    background-color: #555;
    transform: scale(0.9);
}