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

body {
    font-family: 'Arial', sans-serif;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.game-container {
    position: relative;
    width: 400px;
    height: 600px;
    border: 2px solid #555;
    background-color: #111;
}

#gameCanvas {
    display: block;
    background-color: #111;
    width: 100%;
    height: 100%;
}

.game-info {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
    display: flex;
    gap: 20px;
    font-size: 18px;
    text-shadow: 0 0 5px #0ff;
}

.game-menu,
.game-over {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 20;
}

.game-over {
    display: none;
}

button {
    background-color: #0066cc;
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 20px 0;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0088ff;
    box-shadow: 0 0 10px #0ff;
}

h1 {
    color: #0ff;
    margin-bottom: 20px;
    font-size: 36px;
    text-shadow: 0 0 10px #0ff;
}