button:not(:disabled),
.enemy-powerup-toggle {
    transition: filter 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

button:not(:disabled):hover,
.enemy-powerup-toggle:hover {
    filter: brightness(1.12);
    transform: translateY(-1px) scale(1.02);
}

.tile-button:not(:disabled):hover {
    filter: brightness(1.2);
}

.app-shell button:not(:disabled):hover {
    transform: translateY(-2px) scale(1.02);
}

button:not(:disabled):active,
.enemy-powerup-toggle:active {
    filter: brightness(0.88);
}

.app-shell button:not(:disabled):active {
    transform: translateY(1px) scale(0.98);
}

.ui-interaction-click {
    animation: ui-interaction-click 150ms ease-out;
}

@keyframes ui-interaction-click {
    from {
        filter: brightness(1.35);
    }

    to {
        filter: brightness(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    button:not(:disabled),
    .enemy-powerup-toggle {
        transition: none;
    }

    .ui-interaction-click {
        animation: none;
    }
}