Added controller method to show/hide navigation.

app/assets/javascripts/app/controllers/_application_controller.js.coffee

@@ -95,6 +95,16 @@ class App.Controller extends Spine.Controller
   navupdate: (url) ->
     App.Event.trigger 'navupdate', url
 
+  # show navigation
+  navShow: ->
+    return if $('#navigation').is(':visible')
+    $('#navigation').attr('style', 'display: flex!important')
+
+  # hide navigation
+  navHide: ->
+    return if !$('#navigation').is(':visible')
+    $('#navigation').attr('style', 'display: none!important')
+
   scrollTo: ( x = 0, y = 0, delay = 0 ) ->
     a = ->
       window.scrollTo( x, y )
@@ -460,6 +470,7 @@ class App.ControllerContent extends App.Controller
     super
     $('.content').hide()
     $('#content').show()
+    @navShow()
 
 class App.ControllerModal extends App.Controller
   className: 'modal fade',

app/assets/javascripts/app/controllers/login.js.coffee

@@ -10,6 +10,8 @@ class Index extends App.ControllerContent
       @navigate '#'
       return
 
+    @navHide()
+
     @title 'Sign in'
     @render()
     @navupdate '#login'

app/assets/javascripts/app/controllers/reset_password.js.coffee

@@ -12,6 +12,8 @@ class Index extends App.ControllerContent
       @navigate '#'
       return
 
+    @navHide()
+
     # set title
     @title 'Reset Password'
     @navupdate '#reset_password'

app/assets/javascripts/app/controllers/signup.js.coffee

@@ -12,6 +12,8 @@ class Index extends App.ControllerContent
       @navigate '#'
       return
 
+    @navHide()
+
     # set title
     @title 'Sign up'
     @navupdate '#signup'