body {
    font-family: 'Press Start 2P', cursive, Arial, sans-serif; /* Pixel font or fallback */
    background-color: #2c3e50; /* Dark blue background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden; /* Hide scrollbars */
    color: #ecf0f1;
}

/* Import a pixel font if desired */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

.game-wrapper {
    position: relative;
    border: 5px solid #3498db; /* Blue border */
    box-shadow: 0 0 25px rgba(52, 152, 219, 0.8); /* Blue glow */
    border-radius: 8px;
    overflow: hidden; /* Ensure game elements stay inside */
}

#gameCanvas {
    background-color: #87ceeb; /* Sky blue */
    display: block; /* Remove extra space below canvas */
}

/* --- Overlay Screens (Start/Game Over) --- */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 10;
    padding: 20px;
    box-sizing: border-box; /* Include padding in width/height */
}

.overlay h1 {
    font-size: 3.5em;
    margin-bottom: 0.8em;
    color: #3498db; /* Blue highlight */
    text-shadow: 0 0 10px #3498db;
}

.overlay p {
    margin-bottom: 1.5em;
    font-size: 1.2em;
    color: #bbb;
}

.overlay button {
    padding: 15px 30px;
    font-size: 1.8em;
    cursor: pointer;
    background-color: #2ecc71; /* Green button */
    color: #333;
    border: 2px solid #2ecc71;
    border-radius: 8px;
    transition: background-color 0.3s, color 0.3s;
    font-family: 'Press Start 2P', cursive;
}

.overlay button:hover {
    background-color: #27ae60;
    border-color: #27ae60;
    color: white;
}

#gameOverScreen h1 {
    color: #e74c3c; /* Red for Game Over */
    text-shadow: 0 0 10px #e74c3c;
}

#finalScoreDisplay {
    font-size: 1.8em;
    font-weight: bold;
    color: #f1c40f; /* Yellow for score */
}

/* Utility class to hide elements */
.hidden {
    display: none;
}