body {
    margin: 0;
    overflow: hidden;
    background: black;
    font-family: 'Arial', sans-serif;
    color: white;
}

canvas {
    display: block;
    margin: auto;
    background: radial-gradient(circle, #1a1a1a, #000);
}

.screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.hidden {
    display: none;
}

.instructions {
    margin-bottom: 20px; /* Space between instructions and buttons */
}

.difficultyButton {
    padding: 15px 30px;
    margin: 10px;
    font-size: 18px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    width: 150px; /* Unified button size */
}

.difficultyButton.easy {
    background-color: #4CAF50; /* Green */
}

.difficultyButton.medium {
    background-color: yellow; /* Yellow */
}

.difficultyButton.hard {
    background-color: red; /* Red */
}

.difficultyButton:hover {
    opacity: 0.8; /* Hover effect */
}

#gameOverScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
}

#newGameButton {
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border: none;
    background-color: #2196F3; /* Blue */
    color: white;
    border-radius: 5px;
    transition: background-color 0.3s;
    margin: 5px; /* Spacing between buttons */
}

#newGameButton:hover {
    background-color: #0b7dda; /* Darker blue */
}

#info {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    font-size: 24px;
}

* {
    touch-action: manipulation;
}