* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: #fff;
            height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
        }
        
        h1 {
            margin: 20px 0;
            font-size: 2.5rem;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
            background: linear-gradient(90deg, #00dbde, #fc00ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .game-container {
            display: flex;
            gap: 30px;
            margin-top: 20px;
        }
        
        #game-board {
            width: 300px;
            height: 600px;
            border: 2px solid #4a4e69;
            background-color: #0f0f1b;
            display: grid;
            grid-template-rows: repeat(20, 1fr);
            grid-template-columns: repeat(10, 1fr);
        }
        
        .block {
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .info-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
            width: 150px;
        }
        
        .next-piece {
            width: 120px;
            height: 120px;
            border: 2px solid #4a4e69;
            background-color: #0f0f1b;
            display: grid;
            grid-template-rows: repeat(4, 1fr);
            grid-template-columns: repeat(4, 1fr);
        }
        
        .score-display {
            padding: 15px;
            background-color: #0f0f1b;
            border: 2px solid #4a4e69;
            border-radius: 5px;
            text-align: center;
        }
        
        .controls {
            margin-top: 30px;
            text-align: center;
        }
        
        .controls p {
            margin-bottom: 10px;
            color: #b8b8b8;
        }
        
        button {
            padding: 10px 20px;
            background: linear-gradient(90deg, #00dbde, #fc00ff);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        
        button:hover {
            transform: scale(1.05);
            box-shadow: 0 0 15px rgba(0, 219, 222, 0.5);
        }
        
        .game-over {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: rgba(0, 0, 0, 0.8);
            padding: 20px 40px;
            border-radius: 10px;
            text-align: center;
            display: none;
        }
        
        .cell {
            box-sizing: border-box;
        }
        
        @media (max-width: 600px) {
            .game-container {
                flex-direction: column;
                align-items: center;
            }
            
            .info-panel {
                flex-direction: row;
                width: 100%;
                justify-content: space-around;
            }
            
            .next-piece {
                width: 90px;
                height: 90px;
            }
        }