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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.game-container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.game-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 1.2em;
    color: #333;
}

#gameCanvas {
    background-color: #1a1a1a;
    border-radius: 5px;
    margin-bottom: 20px;
    display: block;
    max-width: 100%;
    height: auto;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

#pauseButton {
    background-color: #2196F3;
}

#pauseButton:hover {
    background-color: #1976D2;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.hidden {
    display: none;
}

@media (max-width: 600px) {
    .game-container {
        padding: 10px;
        width: 100%;
        margin: 10px;
    }

    .game-info {
        font-size: 1em;
    }

    button {
        padding: 8px 16px;
        font-size: 0.9em;
    }
}