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

body {
    background: linear-gradient(180deg, #87CEEB 0%, #E0F7FA 60%, #FFF9C4 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    font-family: 'Arial', sans-serif;
    overflow: hidden;
}

h1 {
    font-size: 2rem;
    color: #F9A825;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

#gameContainer {
    position: relative;
    width: 800px;
    height: 300px;
    border: 4px solid #F9A825;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(180deg, #E3F2FD 0%, #FFF9C4 70%, #8BC34A 95%, #558B2F 100%);
    box-shadow: 0 8px 32px rgba(249,168,37,0.3);
}

canvas {
    display: block;
}

#ui {
    display: flex;
    justify-content: space-between;
    width: 800px;
    margin-top: 10px;
    padding: 0 10px;
}

#score, #highScore, #speedIndicator {
    font-size: 1.1rem;
    font-weight: bold;
    color: #5D4037;
    background: rgba(255,255,255,0.7);
    padding: 5px 15px;
    border-radius: 20px;
    border: 2px solid #F9A825;
}

#message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(255,255,255,0.92);
    border: 3px solid #F9A825;
    border-radius: 16px;
    padding: 20px 40px;
    z-index: 10;
}

#message h2 {
    font-size: 1.8rem;
    color: #F9A825;
    margin-bottom: 8px;
}

#message p {
    font-size: 1rem;
    color: #555;
}