@keyframes pulse-gold {
    0%, 100% {
        box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(212, 175, 55, 0.7);
    }
}

@keyframes pulse-red {
    0%, 100% {
        box-shadow: var(--card-shadow);
    }
    50% {
        box-shadow: 0 0 20px rgba(139, 0, 0, 0.6);
    }
}