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

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

.game-container {
    position: relative;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: #000;
}

#gameCanvas {
    display: block;
    background: #111;
}

.game-info {
    position: absolute;
    top: 10px;
    left: 10px;
    color: white;
    font-size: 20px;
    font-weight: bold;
    display: flex;
    gap: 20px;
}

.game-over, .start-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 30px;
    border-radius: 10px;
    border: 2px solid #fff;
}

.game-over h2, .start-screen h2 {
    margin-bottom: 20px;
    color: #ff6b6b;
}

.game-over p, .start-screen p {
    margin: 10px 0;
    font-size: 18px;
}

button {
    background: #4ecdc4;
    border: none;
    padding: 12px 24px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s ease;
}

button:hover {
    background: #ff6b6b;
    transform: scale(1.05);
}

#gameOver {
    display: none;
}