body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #1e90ff 0%, #ffffff 100%);
    min-height: 100vh;
    color: #1e3a5c;
}

.container {
    max-width: 420px;
    margin: 40px auto;
    background: rgba(255,255,255,0.95);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(30,144,255,0.15);
    padding: 32px 24px;
    text-align: center;
}

h1 {
    color: #1e90ff;
    margin-bottom: 12px;
    font-size: 2.2rem;
}

p {
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.game-section {
    margin-top: 24px;
}

h2 {
    color: #1e3a5c;
    font-size: 1.3rem;
    margin-bottom: 12px;
}

canvas {
    background: #e6f0ff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(30,144,255,0.08);
    margin-bottom: 12px;
    width: 100%;
    height: auto;
    max-width: 320px;
    max-height: 480px;
}

.score {
    font-size: 1.1rem;
    color: #1e90ff;
    font-weight: bold;
}

@media (max-width: 600px) {
    .container {
        padding: 18px 8px;
    }
    h1 {
        font-size: 1.3rem;
    }
    h2 {
        font-size: 1rem;
    }
    canvas {
        max-width: 100%;
        max-height: 320px;
    }
}