/* Animation styles */

/* Shake animation for incorrect answer */
@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
    100% { transform: translateX(0); }
}

.shake {
    animation: shake 0.5s;
}

/* Clapping animation for correct answer */
@keyframes clap {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

.clapping {
    animation: clap 1s forwards;
    display: block !important;
}

/* Highlight correct answer */
.correct {
    border-color: #4CAF50 !important;
    box-shadow: 0 0 15px #4CAF50;
}

/* Fade in animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s forwards;
}

/* Fade out animation */
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.fade-out {
    animation: fadeOut 1s forwards;
}

/* Celebration animation for game completion */
@keyframes celebrate {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.game-complete .correct {
    animation: celebrate 1s infinite;
    border-width: 5px;
}

/* Pulse animation for replay button */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
    }
}

.replay-button {
    animation: pulse 2s infinite;
}