body {
    font-family: Arial, sans-serif;
    background: #f1f1f1;
    text-align: center;
}
.lobby {
    margin-top: 100px;
}
.lobby input, .lobby button {
    padding: 10px;
    margin: 5px;
    font-size: 16px;
}
.game-container {
    max-width: 1200px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}
.board {
    min-height: 200px;
    border: 2px solid #333;
    margin: 20px 0;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.hand {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
.tile {
    width: 60px;
    height: 30px;
    border: 1px solid #000;
    margin: 2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    cursor: pointer;
    border-radius: 5px;
    font-weight: bold;
}