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

body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: white;
    overflow: hidden;
    touch-action: none;
    cursor: none;
}

#gameContainer {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#gameCanvas {
    background-color: #0a0a0a;
    border: 2px solid #333;
    position: relative;
}

#ui {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
    font-size: 18px;
    z-index: 10;
}

.screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background-color: rgba(0, 0, 0, 0.9);
    padding: 40px;
    border-radius: 10px;
    border: 2px solid #fff;
    z-index: 20;
}

.screen h1, .screen h2 {
    margin-bottom: 20px;
    color: #4fc3f7;
}

.screen p {
    margin-bottom: 15px;
    font-size: 16px;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    background-color: #4fc3f7;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #29b6f6;
}

@media (max-width: 768px) {
    #ui {
        font-size: 14px;
        gap: 15px;
        top: 10px;
    }
    
    .screen {
        padding: 20px;
        width: 90%;
        max-width: 300px;
    }
    
    .screen h1, .screen h2 {
        font-size: 24px;
    }
    
    .screen p {
        font-size: 14px;
    }
}