.game-container {
    max-width: 430px;
    margin: 0 auto;
    text-align: center;
}

.game-intro {
    margin-bottom: 20px;
    color: #555;
    font-size: 0.95rem;
}

#game-canvas {
    border: 3px solid #3498db;
    border-radius: 10px;
    background: #ecf0f1;
    display: block;
    margin: 0 auto;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.score-board {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    font-size: 1.1rem;
}

#start-btn {
    padding: 8px 16px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

#start-btn:hover {
    background: #219653;
}