body {
            margin: 0;
            padding: 0;
            background-color: #0a0a1a;
            color: #0ff;
            font-family: 'Courier New', monospace;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        #game-container {
            position: relative;
            width: 600px;
            height: 600px;
            border: 2px solid #ff00ff;
            box-shadow: 0 0 20px #ff00ff, 0 0 40px #ff00ff inset;
            overflow: hidden;
        }

        #game-canvas {
            background-color: rgba(0, 0, 20, 0.8);
            display: block;
        }

        #menu {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(10, 10, 30, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 10;
        }

        #game-over {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(30, 0, 0, 0.9);
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 20;
        }

        #options {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(10, 10, 30, 0.95);
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 15;
        }

        h1 {
            font-size: 3em;
            text-shadow: 0 0 10px #0ff, 0 0 20px #0ff;
            margin-bottom: 30px;
            color: #ff00ff;
        }

        h2 {
            font-size: 2em;
            text-shadow: 0 0 5px #0ff;
            margin-bottom: 20px;
            color: #0ff;
        }

        button {
            background-color: transparent;
            border: 2px solid #0ff;
            color: #0ff;
            padding: 10px 20px;
            margin: 10px;
            font-size: 1.2em;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 0 10px #0ff;
            text-transform: uppercase;
            font-family: 'Courier New', monospace;
        }

        button:hover {
            background-color: #0ff;
            color: #0a0a1a;
            box-shadow: 0 0 20px #0ff;
        }

        #skins {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin: 20px 0;
            max-width: 80%;
        }

        .skin-option {
            width: 80px;
            height: 80px;
            margin: 10px;
            border: 2px solid #0ff;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            border-radius: 5px;
        }

        .skin-option:hover {
            box-shadow: 0 0 15px #0ff;
            transform: scale(1.1);
        }

        #score-display {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 1.2em;
            color: #0ff;
            text-shadow: 0 0 5px #0ff;
            z-index: 5;
        }

        #level-display {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.2em;
            color: #ff00ff;
            text-shadow: 0 0 5px #ff00ff;
            z-index: 5;
        }

        .neon-text {
            text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #ff00ff, 0 0 20px #ff00ff;
        }

        .pulse {
            animation: pulse 1.5s infinite alternate;
        }

        @keyframes pulse {
            from {
                text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #ff00ff, 0 0 20px #ff00ff;
            }
            to {
                text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #ff00ff, 0 0 40px #ff00ff;
            }
        }