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

/* Modal Transitions */
.modal-enter-active,
.modal-leave-active {
    transition: opacity 0.3s ease;
}
.modal-enter-from, .modal-leave-to {
    opacity: 0;
}
.modal-card-enter-active {
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-card-leave-active {
    transition: all 0.2s ease-in;
}
.modal-card-enter-from, .modal-card-leave-to {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
}

/* Toast Notification */
.toast-enter-active, .toast-leave-active {
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.toast-enter-from, .toast-leave-to {
    transform: translateY(-100%) translateX(-50%);
    opacity: 0;
}