body {
    margin: 0;
    background-color: #2c3e50;
    font-family: 'Press Start 2P', Arial, sans-serif;
    color: #ecf0f1;
}

.game-container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.score-board {
    background-color: #34495e;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

#start-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

#start-btn:hover {
    background-color: #c0392b;
}

.game-area {
    display: flex;
    gap: 20px;
}

#tetris {
    background-color: #000;
    border: 4px solid #34495e;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.game-info {
    background-color: #34495e;
    padding: 20px;
    border-radius: 8px;
    min-width: 200px;
}

.next-piece {
    margin-bottom: 30px;
}

.next-piece h3, .controls h3 {
    margin-top: 0;
    color: #e74c3c;
}

#next {
    background-color: #000;
    border: 2px solid #2c3e50;
}

.controls p {
    margin: 10px 0;
    font-size: 14px;
}