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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #fff;
}

.container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.game-wrapper {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

#gameCanvas {
    display: block;
    margin: 0 auto;
    border: 3px solid #fff;
    border-radius: 5px;
    background: #1a1a2e;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.instructions {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: left;
    backdrop-filter: blur(10px);
}

.instructions h2 {
    margin-bottom: 15px;
    text-align: center;
}

.instructions ul {
    margin: 15px 0;
    padding-left: 30px;
}

.instructions li {
    margin: 8px 0;
}

.instructions p {
    margin: 10px 0;
    line-height: 1.6;
}

@media (max-width: 900px) {
    #gameCanvas {
        width: 100%;
        height: auto;
    }
    
    h1 {
        font-size: 2em;
    }
}