body {
    background-color: #111;
    color: #eee;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

header {
    width: 100%;
    max-width: 800px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 20px;
}

h1 {
    font-size: 1.5rem;
    margin: 0;
    text-shadow: 2px 2px 0 #555;
}

.back-link {
    color: #00ff00;
    text-decoration: none;
    font-weight: bold;
}

.back-link:hover {
    text-decoration: underline;
}

.game-container {
    position: relative;
    border: 4px solid #333;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
}

canvas {
    display: block;
    background-color: #000;
    width: 640px;
    height: 480px;
    image-rendering: pixelated; /* Essential for that retro look */
}

#overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: opacity 0.3s;
}

#overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

#overlay p {
    font-size: 2rem;
    color: #00ff00;
    margin: 10px;
    text-shadow: 0 0 10px #00ff00;
    animation: blink 1s infinite;
}

.controls {
    font-size: 1rem !important;
    color: #ccc !important;
    animation: none !important;
    margin-top: 20px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.info {
    max-width: 640px;
    margin-top: 10px;
    text-align: center;
    font-size: 0.9rem;
    color: #888;
}