body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
}

header {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.logo {
    width: 150px;
    opacity: 0.8;
}

.login-button {
    display: block;
    margin-top: 15px;
    padding: 8px 12px;
    color: #fff;
    text-decoration: none;
    border: 1px solid #0ff;
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
    background-color: rgba(0, 255, 255, 0.1);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.login-button:hover {
    background-color: rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

main {
    width: 100%;
    height: 100%;
}

#interactive-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.game-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    color: #fff;
    text-shadow: 0 0 10px #0ff, 0 0 20px #0ff;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

p {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    p {
        font-size: 1rem;
    }

    .logo {
        width: 120px;
    }

    .login-button {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}