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Form
Forms provide structured layouts for collecting user input.
Usage
Wrap form fields in a .Form element.
html
<form class="Form">
<div class="Form-Field">
<label class="Form-Label" for="name">Full Name</label>
<input id="name" type="text" class="Input" />
<span class="Form-Help">Enter your legal name.</span>
</div>
<div class="Form-Actions">
<button class="Button primary" type="submit">Save</button>
</div>
</form>Layouts
- Default: Single-column vertical stacking.
.grid: Two-column layout for wider forms..inline: Flexible wrapping row layout.
html
<form class="Form grid">…</form>
<form class="Form inline">…</form>Use .full on a .Form-Field to make it span both columns in a grid layout.
html
<div class="Form-Field full">…</div>Validation States
Apply data-valid or data-invalid directly on the input element.
html
<input type="text" class="Input" data-valid />
<input type="text" class="Input" data-invalid />
<span class="Form-Error">This field is required.</span>Required Fields
Add .required to .Form-Label to display a required indicator.
html
<label class="Form-Label required" for="email">Email</label>Input Group
Use .InputGroup to combine an input with an inline button or label.
html
<div class="InputGroup">
<input type="text" class="Input" placeholder="Search…" />
<button class="Button primary">Go</button>
</div>Checkbox and Radio
Use the .Form-Check wrapper for checkbox and radio inputs.
html
<label class="Form-Check">
<input type="checkbox" />
Enable notifications
</label>
<label class="Form-Check">
<input type="radio" name="role" value="admin" />
Admin
</label>Structure
.Form-Field: Wraps a label, input, and help/error text..Form-Label: Label for the field..Form-Help: Optional helper text shown below the input..Form-Error: Validation error message shown below the input..Form-Actions: Container for submit/cancel buttons, aligned right..Form-Group: Groups related fields together visually..Input: Standalone input element (text, select, textarea)..InputGroup: Combines an input with an inline button or prefix..Form-Check: Wraps a checkbox or radio input with its label.

