body {
            margin: 0;
            padding: 0;
            background: #0a0a0a;
            overflow: hidden;
            font-family: 'Courier New', monospace;
        }
        canvas {
            display: block;
            background: radial-gradient(circle at center, #1a1a2e 0%, #0a0a0a 100%);
        }
        .back-link {
            position: absolute;
            top: 16px;
            left: 20px;
            color: #d4a574;
            font-size: 11px;
            text-decoration: none;
            letter-spacing: 0.08em;
            opacity: 0.7;
            z-index: 10;
            transition: opacity 0.2s;
        }
        .back-link:hover { opacity: 1; }
        .info {
            position: absolute;
            top: 48px;
            left: 20px;
            color: #d4a574;
            font-size: 12px;
            line-height: 1.5;
            pointer-events: none;
            text-shadow: 0 0 10px rgba(212, 165, 116, 0.5);
        }