html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.game-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
}

.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#gameCanvas {
    background-color: #fff;
    border: 2px solid #333;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #000;
}

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}

.controls {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 30px;
    border-radius: 30px;
    z-index: 1000;
    display: flex;
    gap: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.controls span {
    color: white;
    font-family: Arial, sans-serif;
    font-size: 20px;
    font-weight: bold;
    padding: 5px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.controls button {
    color: white;
    font-family: Arial, sans-serif;
    font-size: 20px;
    font-weight: bold;
    padding: 5px 15px;
    background: rgba(255, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.controls button:hover {
    background: rgba(255, 0, 0, 0.5);
}

/* ... existing code ... */