@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: scale(0.9) translateY(-10px);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-15px);
    }
    70% {
        transform: translateY(-7px);
    }
    90% {
        transform: translateY(-3px);
    }
}

@keyframes slideOut {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes duplicateFlash {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-lg);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-xl), 0 0 20px rgba(102, 126, 234, 0.3);
    }
}

@keyframes criticalPulse {
    0%, 100% {
        box-shadow: var(--shadow-xl), 0 0 20px rgba(220, 53, 69, 0.2);
    }
    50% {
        box-shadow: var(--shadow-xl), 0 0 30px rgba(220, 53, 69, 0.4);
    }
}

@keyframes progress-countdown {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes checkmark-pop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}