body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #2c3e50, #4ca1af);
    color: #fff;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.tetris-container {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.canvas-container {
    position: relative;
}

canvas {
    background: #111;
    border: 2px solid #fff;
}

.score {
    margin-top: 10px;
    font-size: 24px;
    font-weight: bold;
}

.next-piece-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: 20px;
}

.next-piece {
    font-size: 20px;
}

.next-piece canvas {
    background: #111;
    border: 2px solid #fff;
    margin-top: 10px;
}