Add, document support for multiple fields per row

This change necessitates an additional container element in the DOM
hierarchy.

Signed-off-by: Alex Coles <alex@alexbcoles.com>

app/assets/stylesheets/content/_forms.md

@@ -17,8 +17,10 @@
   <div class="form--field -required">
     <label class="form--label">Text:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="text" class="form--text-field">
       </div>
+    </div>
     <div class="form--field-instructions">
       Write anything you like.
     </div>
@@ -26,8 +28,10 @@
   <div class="form--field">
     <label class="form--label">Email:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="email" class="form--text-field" placeholder="a valid email">
       </div>
+    </div>
     <div class="form--field-extra-actions">
       <a href="#">Request new email</a>
     </div>
@@ -35,8 +39,10 @@
   <div class="form--field -required">
     <label class="form--label">Number:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="number" class="form--text-field">
       </div>
+    </div>
     <div class="form--field-instructions">
       Any number from 1 to 10!
     </div>
@@ -44,8 +50,10 @@
   <div class="form--field -required">
     <label class="form--label">Long text:</label>
     <div class="form--field-container">
+      <div class="form--text-area-container">
         <textarea class="form--text-area">El resto della concluían sayo de velarte, calzas de velludo para las fiestas, con sus pantuflos de lo mesmo, y los días de entresemana se honraba con su vellorí de lo más fino.</textarea>
       </div>
+    </div>
     <div class="form--field-instructions">
       Write more about anything.
     </div>
@@ -62,14 +70,18 @@
   <div class="form--field -required">
     <label class="form--label">Text:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="text" class="form--text-field">
       </div>
     </div>
+  </div>
   <div class="form--field">
     <label class="form--label">Email:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="email" class="form--text-field" placeholder="a valid email">
       </div>
+    </div>
     <div class="form--field-instructions">
       Your personal email address.
     </div>
@@ -77,8 +89,10 @@
   <div class="form--field -required">
     <label class="form--label">Number:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <input type="number" class="form--text-field">
       </div>
+    </div>
     <div class="form--field-instructions">
       Any number from 1 to 10!
     </div>
@@ -86,8 +100,10 @@
   <div class="form--field -required">
     <label class="form--label">Long text:</label>
     <div class="form--field-container">
+      <div class="form--text-field-container">
         <textarea class="form--text-area">El resto della concluían sayo de velarte, calzas de velludo para las fiestas, con sus pantuflos de lo mesmo, y los días de entresemana se honraba con su vellorí de lo más fino.</textarea>
       </div>
+    </div>
     <div class="form--field-instructions">
       Write more about anything.
     </div>
@@ -95,6 +111,66 @@
 </form>
 ```
 
+## Forms: Multiple fields per row
+
+```
+@full-width
+
+<form class="form">
+  <div class="form--field -required">
+    <label class="form--label">Lieblingsstädte:</label>
+    <div class="form--field-container">
+      <div class="form--text-field-container">
+        <input type="text" class="form--text-field" value="Leipzig">
+      </div>
+      <div class="form--text-field-container">
+        <input type="text" class="form--text-field" placeholder="Berlin">
+      </div>
+      <div class="form--text-field-container">
+        <input type="text" class="form--text-field" placeholder="Zürich">
+      </div>
+      <div class="form--text-field-container">
+        <input type="text" class="form--text-field" placeholder="Paris">
+      </div>
+      <div class="form--text-field-container">
+        <input type="text" class="form--text-field" placeholder="Rom">
+      </div>
+    </div>
+  </div>
+  <div class="form--field -required">
+    <label class="form--label">Geburtsdatum:</label>
+    <div class="form--field-container">
+      <div class="form--select-container">
+        <select class="form--select">
+          <option>01</option><option>02</option><option>03</option>
+        </select>
+      </div>
+      <div class="form--select-container">
+        <select class="form--select">
+          <option>Januar</option>
+          <option selected>Februar</option>
+          <option>März</option>
+          <option>April</option>
+          <option>Mai</option>
+          <option>Juni</option>
+          <option>Juli</option>
+          <option>August</option>
+          <option>September</option>
+          <option>Oktober</option>
+          <option>November</option>
+          <option>Dezember</option>
+        </select>
+      </div>
+      <div class="form--text-field-container">
+        <input type="number" class="form--text-field" placeholder="1984">
+      </div>
+    </div>
+    <div class="form--field-instructions">
+      One never lies about one's age.
+    </div>
+  </div>
+</form>
+```
 
 # Forms: Text fields
 
@@ -219,12 +295,14 @@ Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
   <div class="form--field">
     <label class="form--label">Oranges:</label>
     <div class="form--field-container">
+      <div class="form--select-container">
         <select class="form--select">
           <option>one</option>
           <option>two</option>
           <option>three</option>
         </select>
       </div>
+    </div>
     <div class="form--field-instructions">
       Oranges are rich in Vitamin C. Eat more than two!
     </div>
@@ -232,6 +310,7 @@ Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
   <div class="form--field">
     <label class="form--label">Apples:</label>
     <div class="form--field-container">
+      <div class="form--select-container">
         <select class="form--select" multiple>
           <option>one</option>
           <option>two</option>
@@ -239,6 +318,7 @@ Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
         </select>
       </div>
     </div>
+  </div>
 </form>
 ```
 

app/assets/stylesheets/content/_forms.sass

@@ -188,7 +188,8 @@ fieldset
       color:    smartscale(#008BD0, 30%)
 
 .form--field-container
-  @include grid-content(10)
+  @include grid-content(8)
+  display: flex
 
   .form.-wide-labels &
     @include grid-size(8)
@@ -209,6 +210,13 @@ fieldset
 .form--field-extra-actions
   @extend %form--field-after-container
 
+.form--text-field-container,
+.form--text-area-container,
+.form--select-container
+  display: block
+  padding-right: $block-padding
+  flex: 1 1
+
 .form--text-field
   @include input-style