.combo-display {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 2rem;
    text-align: center;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
    z-index: 100;
}

.combo-display .points {
    font-size: 3rem;
    font-weight: bold;
    color: #4CAF50;
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.combo-display .combo {
    font-size: 1.5rem;
    color: #FFC107;
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

.word-input input {
    transition: background-color 0.2s;
}

.game-over .stats {
    margin: 1rem 0;
    font-size: 1.25rem;
    text-align: left;
}