piece_justificative: style links as buttons, and improve layout

app/assets/stylesheets/new_design/editable_champs/piece_justificative.scss

@@ -0,0 +1,17 @@
+@import "../constants";
+
+.piece-justificative-actions {
+  display: flex;
+}
+
+.piece-justificative-action {
+  margin-right: $default-spacer;
+
+  .button {
+    text-transform: lowercase;
+  }
+}
+
+.piece-justificative-input.hidden {
+  display: none;
+}

app/assets/stylesheets/new_design/forms.scss

@@ -100,9 +100,9 @@
   input[type=date],
   input[type=number],
   input[type=tel],
-  input[type=file],
   textarea,
-  select {
+  select,
+  .piece-justificative {
     display: block;
     margin-bottom: 2 * $default-padding;
 
@@ -111,10 +111,6 @@
     }
   }
 
-  .direct-upload {
-    margin-bottom: 2 * $default-padding;
-  }
-
   .add-row {
     margin-bottom: 2 * $default-padding;
   }

app/views/shared/dossiers/editable_champs/_piece_justificative.html.haml

@@ -1,24 +1,22 @@
 - pj = champ.piece_justificative_file
 
+.piece-justificative
   - if champ.type_de_champ.piece_justificative_template.attached?
     %p.edit-pj-template.mb-1
       Veuillez télécharger, remplir et joindre
       = link_to('le modèle suivant', url_for(champ.type_de_champ.piece_justificative_template), target: '_blank')
 
-- if !pj.attached?
+  - if pj.attached?
-  = form.file_field :piece_justificative_file,
+    .piece-justificative-actions{ id: "piece_justificative_#{champ.id}" }
-    id: "champs_#{champ.id}",
+      .piece-justificative-action
-    direct_upload: true
-- else
-  %div{ id: "piece_justificative_#{champ.id}" }
         = render partial: "shared/champs/piece_justificative/pj_link", locals: { champ: champ, user_can_upload: true }
-    %br
+      .piece-justificative-action
         - if champ.private?
-      = link_to 'supprimer', gestionnaire_champ_purge_champ_piece_justificative_path(procedure_id: champ.dossier.procedure_id, dossier_id: champ.dossier_id, champ_id: champ.id), remote: true, method: :delete
+          = link_to 'Supprimer', gestionnaire_champ_purge_champ_piece_justificative_path(procedure_id: champ.dossier.procedure_id, dossier_id: champ.dossier_id, champ_id: champ.id), remote: true, method: :delete, class: 'button small danger'
         - else
-      = link_to 'supprimer', champ_purge_champ_piece_justificative_path(id: champ.dossier_id, champ_id: champ.id), remote: true, method: :delete
+          = link_to 'Supprimer', champ_purge_champ_piece_justificative_path(id: champ.dossier_id, champ_id: champ.id), remote: true, method: :delete, class: 'button small danger'
-    %br
+
-    Modifier :
   = form.file_field :piece_justificative_file,
     id: "champs_#{champ.id}",
+    class: "piece-justificative-input",
     direct_upload: true