//
//  Grid Forms
//  Copyright (c) 2013 Kumail Hunaid
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

=_placeholder
    &::-webkit-input-placeholder
        @content
    &:-moz-placeholder
        @content


=_breakpoints($min, $max: false)
    @if $max == false
        @media only screen and (min-width: $min)
            @content
    @else
        @media only screen and (min-width: $min) and (max-width: $max)
            @content

=_clear
    zoom: 1
    &:before, &:after
        content: ""
        display: table
    &:after
        clear: both

=_reset


=grid-form($max-columns: 12, $font-size-large: 18px, $legend-color: lighten(#333, 5%), $field-padding: 8px, $label-font-size: 10px, $grid-border-color: #333, $label-color: #333, $field-focus-color: darken(#FFFDED, 5%))

    // Sacrifice compatibility with IE7 and below to use the border-box model
    *, *:before, *:after
        -webkit-box-sizing: border-box
        -moz-box-sizing: border-box
        box-sizing: border-box

    // Fields cannot be spaced away from the grid (clear out margins/padding)
    // Field font sizes need to be applied here
    input[type="text"], input[type="email"], textarea, select
        font-size: $font-size-large
        padding: 0
        margin: 0
        width: 100%
    // Remove backgrounds and borders from fields
    input[type="text"], input[type="email"], textarea
        border: 0
        background: transparent
        +_placeholder
            font-weight: 100
            color: lighten($label-color, 15%)
        &:focus
            outline: none
    fieldset
        border: none
        padding: 0
        margin: 0
        legend
            border: none
            border-bottom: 4px solid $legend-color
            color: $legend-color
            font-size: $font-size-large
            font-weight: bold
            padding-bottom: 5px
            position: static
            width: 100%
        fieldset
            legend
                border-bottom: 2px solid $legend-color
                font-weight: normal
            fieldset legend
                border-bottom: 1px solid $legend-color
                font-weight: normal
                font-size: $font-size-large - 3px
    [data-row-span]
        border-bottom: 1px solid $grid-border-color
        width: 100%
        +_clear
        +_breakpoints(0, 700px)
            border-bottom: none
        [data-field-span]
            padding: $field-padding
            float: left
            +_breakpoints(0, 700px)
                border-bottom: 1px solid $grid-border-color
                width: 100% !important
            +_breakpoints(700px)
                border-right: 1px solid $grid-border-color
                display: block
            label:first-child
                margin-top: 0
                text-transform: uppercase
                letter-spacing: 1px
                font-size: $label-font-size
                color: $label-color
                display: block
                margin-bottom: 4px
                &:hover
                    cursor: text
            &:last-child
                border-right: none
            &.focus
                background: $field-focus-color
                label
                    color: darken($label-color, 5%)
            &:hover
                background: lighten($field-focus-color, 5%)
                cursor: text

    // Create row spans for n columns in the grid
    @for $grid_i from 1 through $max-columns
        [data-row-span="#{$grid_i}"]
            // Each field can only span to the maximum row span
            // For each possible field span
            @for $span_i from 1 through $grid_i
                & > [data-field-span="#{$span_i}"]
                    // Divide the grid by $grid_i columns
                    // Set the width for this particular field span
                    width: percentage($span_i/$grid_i)

// Create Grid Form
.grid-form
    +grid-form
