/* Estilos para la calculadora normal */
.btn-num {
    @apply bg-white hover:bg-gray-200 text-gray-800 font-bold py-3 rounded transition;
}

.btn-op {
    @apply bg-gray-200 hover:bg-gray-300 text-gray-800 font-bold py-3 rounded transition;
}

.btn-func {
    @apply bg-gray-100 hover:bg-gray-200 text-gray-700 text-sm py-3 rounded transition;
}

#pantalla, #operacion {
    transition: all 0.2s ease;
}

/* Animación para botones presionados */
.btn-num:active, .btn-op:active, .btn-func:active {
    transform: scale(0.95);
}

/* Modo científico avanzado */
#funcionesAvanzadas {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}