body {
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
}

#gameContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
}

#gameCanvas {
    background-color: #e0e0e0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

#gameOverScreen {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    color: white;
    display: none; /* Awalnya tersembunyi */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 1.5em;
    z-index: 10;
}

#gameOverScreen h2 {
    margin: 0;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px #000;
}

#finalScore {
    margin: 20px 0;
    font-size: 1.5em;
}

#restartButton {
    background: #69BFD2;
    color: #13184C;
    border: 2px solid #13184C;
    padding: 15px 30px;
    font-size: 0.8em;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

#restartButton:hover {
    background: #13184C;
    color: #69BFD2;
}

@media (min-width: 768px) {
    #gameOverScreen {
        font-size: 2em;
    }
}