body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #ffffff;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #1f1f1f;
    border-bottom: 1px solid #333;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 1rem;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav a:hover {
    color: #00adb5;
}

.main {
    display: flex;
    background-color: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

#gameCanvas {
    border: 2px solid #00adb5;
}

.hidden {
	display: none;
}