body {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    font-family: 'Segoe UI', sans-serif;
    color: white;
    overflow: hidden;
}

h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

#gameCanvas {
    border: 3px solid #0f3460;
    border-radius: 10px;
    background: #0f3460;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.3);
}

#score {
    font-size: 1.5rem;
    margin: 20px 0;
    color: #ffd93d;
}

#instructions {
    color: #aaa;
    margin-top: 10px;
    font-size: 1rem;
}