.game-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    padding: 20px;
    touch-action: none;
}

#game-canvas {
    display: block;
    background-color: #2f4f4f;
    padding: 4px;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.side-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 150px;
}

.stat-box {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.next-box {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

#next-canvas {
    display: block;
    margin: 0 auto;
    background-color: #ffffff;
    border: 2px solid #2f4f4f;
}

.new-game-button {
    display: block;
    margin: 20px auto;
    max-width: 200px;
}

#instructions {
    margin-top: 20px;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.mobile-controls {
    display: none;
}

.desktop-controls {
    display: block;
}

.game-over-score {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 30px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 20px 10px;
        overflow-x: hidden;
    }

    .game-container {
        flex-direction: column;
        align-items: center;
    }

    .side-panel {
        width: 100%;
        max-width: 300px;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-box, .next-box {
        flex: 1;
        min-width: 100px;
    }

    #game-canvas {
        width: 280px;
        height: 560px;
    }

    #instructions {
        font-size: 14px;
        margin-top: 15px;
    }
    
    .mobile-controls {
        display: block;
    }
    
    .desktop-controls {
        display: none;
    }
}

@media (max-width: 480px) {
    #game-canvas {
        width: 250px;
        height: 500px;
    }
}