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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #1a1a1a;
    font-family: Arial, sans-serif;
}

.game-container {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.settings {
    margin-bottom: 20px;
    color: white;
}

.image-upload {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.image-upload label {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

input[type="file"] {
    background-color: #3a3a3a;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #4a4a4a;
    color: white;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 10px;
}

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

.score {
    font-size: 20px;
    margin-top: 10px;
}

#gameCanvas {
    background-color: #000;
    border: 2px solid #333;
}