/**
 * @class Ext.tab.Tab
 */
 
/**
 * @var {color}
 * Tab background-color
 */
$tab-background-color: dynamic(mix(#fff, $base-highlight-color, 10%));
 
/**
 * @var {color}
 * Tab background-color when active
 */
$tab-active-background-color: dynamic($base-light-color);
 
/**
 * @var {string/list}
 * Tab background-gradient.  Can be either the name of a gradient defined by
 * {@link Global_CSS#background-gradient} or a list of color stops.
 */
$tab-background-gradient: dynamic(null);
 
/**
 * @var {string/list}
 * Tab background-gradient when active.  Can be either the name of a gradient
 * defined by {@link Global_CSS#background-gradient} or a list of color stops.
 */
$tab-active-background-gradient: dynamic(null);
 
/**
 * @var {color}
 * Tab text color
 */
$tab-color: dynamic($light-color);
 
/**
 * @var {color}
 * Tab text color when active
 */
$tab-active-color: dynamic($base-color);
 
/**
 * @var {color/list}
 * Tab border-color
 */
$tab-border-color: dynamic($tab-background-color);
 
/**
 * @var {color/list}
 * Tab border-color when active
 */
$tab-active-border-color: dynamic($tab-active-background-color);
 
/**
 * @var {number/list}
 * Tab border-width
 */
$tab-border-width: dynamic(1px);
 
/**
 * @var {string/list}
 * Tab border-style
 */
$tab-border-style: dynamic(solid);
 
/**
 * @var {number}
 * Tab border-radius
 */
$tab-border-radius: dynamic(.25em);
 
/**
 * @var {number}
 * Tab border-radius in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-border-radius-big: dynamic(.2em);
 
/**
 * @var {string/number}
 * Tab font-weight
 */
$tab-font-weight: dynamic($font-weight-bold);
 
/**
 * @var {number}
 * Tab font-size
 */
$tab-font-size: dynamic(1rem);
 
/**
 * @var {number}
 * Tab font-size when {@link #iconAlign} is `'top'` or `'bottom'`
 */
$tab-stacked-font-size: dynamic(null);
 
/**
 * @var {number}
 * Tab font-size in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-font-size-big: dynamic(null);
 
/**
 * @var {number}
 * Tab font-size in the {@link Global_CSS#$enable-big big} sizing scheme when {@link #iconAlign} is `'top'` or `'bottom'`
 */
$tab-stacked-font-size-big: dynamic(null);
 
/**
 * @var {number}
 * Tab line-height
 */
$tab-line-height: dynamic(1.23em);
 
/**
 * @var {number}
 * Tab line-height in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-line-height-big: dynamic(1.6em);
 
/**
 * @var {string}
 * Tab font-family
 */
$tab-font-family: dynamic($font-family);
 
/**
 * @var {number/list}
 * Tab padding
 */
$tab-padding: dynamic(.23em .6em);
 
/**
 * @var {number/list}
 * Tab padding in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-padding-big: dynamic(.2em .6em);
 
/**
 * @var {color}
 * Tab icon color.
 */
$tab-icon-color: dynamic($tab-color);
 
/**
 * @var {color}
 * Tab icon color when active
 */
$tab-active-icon-color: dynamic($tab-active-color);
 
/**
 * @var {number}
 * Tab icon size.
 */
$tab-icon-size: dynamic($tab-line-height);
 
/**
 * @var {number}
 * Tab icon size in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-icon-size-big: dynamic($tab-line-height-big);
 
/**
 * @var {number}
 * Tab icon font-size.  Used for configuring the size of font icons
 */
$tab-icon-font-size: dynamic($tab-icon-size);
 
/**
 * @var {number}
 * Tab icon font-size in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-icon-font-size-big: dynamic($tab-icon-size-big);
 
/**
 * @var {number}
 * The space between the tab icon and text when the icon is horizontally aligned
 */
$tab-icon-horizontal-spacing: dynamic(.6em);
 
/**
 * @var {number}
 * The space between the tab icon and text when the icon is horizontally aligned
 * in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-icon-horizontal-spacing-big: dynamic($tab-icon-horizontal-spacing);
 
/**
 * @var {number}
 * The space between the tab icon and text when the icon is vertically aligned
 */
$tab-icon-vertical-spacing: dynamic(.2em);
 
/**
 * @var {number}
 * The space between the tab icon and text when the icon is vertically aligned
 * in the {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-icon-vertical-spacing-big: dynamic($tab-icon-vertical-spacing);
 
/**
 * @var {number}
 * Tab opacity when disabled
 */
$tab-disabled-opacity: dynamic(.5);
 
/**
 * @var {color}
 * The background-color of the tab's {@link #badgeText badge}
 */
$tab-badge-background-color: dynamic(darken($alert-color, 10%));
 
/**
 * @var {string/list}
 * The background-gradient of the tab's {@link #badgeText badge} Can be either the name
 * of a gradient defined by {@link Global_CSS#background-gradient} or a list of color stops.
 */
$tab-badge-background-gradient: dynamic($base-background-gradient);
 
/**
 * @var {color}
 * The text color of the tab's {@link #badgeText badge}
 */
$tab-badge-color: dynamic(color-by-background($tab-badge-background-color));
 
/**
 * @var {color}
 * The border-color of the tab's {@link #badgeText badge}
 */
$tab-badge-border-color: dynamic(darken($tab-badge-background-color, 10%));
 
/**
 * @var {number/list}
 * The border-radius of the tab's {@link #badgeText badge}
 */
$tab-badge-border-radius: dynamic(.2em);
 
/**
 * @var {number}
 * The min-width of the tab's {@link #badgeText badge}
 */
$tab-badge-min-width: dynamic(2em);
 
/**
 * @var {number}
 * The max-width of the tab's {@link #badgeText badge}
 */
$tab-badge-max-width: dynamic(95%);
 
/**
 * @var {string/number}
 * The font-weight of the tab's {@link #badgeText badge}
 */
$tab-badge-font-weight: dynamic(null);
 
/**
 * @var {number}
 * The font-size of the tab's {@link #badgeText badge}
 */
$tab-badge-font-size: dynamic(1em);
 
/**
 * @var {number}
 * The font-size of the tab's {@link #badgeText badge} in the
 {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-badge-font-size-big: dynamic(1em);
 
/**
 * @var {string}
 * The font-family of the tab's {@link #badgeText badge}
 */
$tab-badge-font-family: dynamic($tab-font-family);
 
/**
 * @var {number}
 * The line-height of the tab's {@link #badgeText badge}
 */
$tab-badge-line-height: dynamic($tab-line-height);
 
/**
 * @var {number}
 * The line-height of the tab's {@link #badgeText badge} in the
 * {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-badge-line-height-big: dynamic($tab-line-height-big);
 
/**
 * @var {number}
 * Offset of the {@link #badgeText badge} from the top of the tab
 */
$tab-badge-top: dynamic(-.2em);
 
/**
 * @var {number}
 * Offset of the {@link #badgeText badge} from the right of the tab
 */
$tab-badge-right: dynamic(0);
 
/**
 * @var {number}
 * Offset of the {@link #badgeText badge} from the bottom of the tab
 */
$tab-badge-bottom: dynamic(null);
 
/**
 * @var {number}
 * Offset of the {@link #badgeText badge} from the left of the tab
 */
$tab-badge-left: dynamic(null);
 
/**
 * @var {number}
 * The padding of the tab's {@link #badgeText badge}
 */
$tab-badge-padding: dynamic(.1em .3em);
 
/**
 * @var {number}
 * The padding of the tab's {@link #badgeText badge} in the
 * {@link Global_CSS#$enable-big big} sizing scheme
 */
$tab-badge-padding-big: dynamic($tab-badge-padding);
 
/**
 * @var {shadow}
 * The shadow for the active tab
 */
$tab-active-box-shadow: dynamic(null);
 
/**
 * Creates a visual theme for a Tab.
 *
 * @param {string} $ui
 * The name of the UI being created. Can not included spaces or special punctuation
 * (used in CSS class names).
 *
 * @param {color} $background-color
 * Tab background-color
 *
 * @param {color} $active-background-color
 * Tab background-color when active
 *
 * @param {string/list} $background-gradient
 * Tab background-gradient.  Can be either the name of a gradient defined by
 * {@link Global_CSS#background-gradient} or a list of color stops.
 *
 * @param {string/list} $active-background-gradient
 * Tab background-gradient when active.  Can be either the name of a gradient
 * defined by {@link Global_CSS#background-gradient} or a list of color stops.
 *
 * @param {color} $color
 * Tab text color
 *
 * @param {color} $active-color
 * Tab text color when active
 *
 * @param {color/list} $border-color
 * Tab border-color
 *
 * @param {color/list} $active-border-color
 * Tab border-color when active
 *
 * @param {number/list} $border-width
 * Tab border-width
 *
 * @param {number/list} $border-style
 * Tab border-style
 *
 * @param {number} $border-radius
 * Tab border-radius
 *
 * @param {number} $border-radius-big
 * Tab border-radius in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $font-weight
 * Tab font-weight
 *
 * @param {number} $font-size
 * Tab font-size
 *
 * @param {number} $stacked-font-size
 * Tab font-size when {@link #iconAlign} is `'top'` or `'bottom'`
 *
 * @param {number} $font-size-big
 * Tab font-size in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $stacked-font-size-big
 * Tab font-size in the {@link Global_CSS#$enable-big big} sizing scheme when {@link #iconAlign} is `'top'` or `'bottom'`
 *
 * @param {number} $line-height
 * Tab line-height
 *
 * @param {number} $line-height-big
 * Tab line-height in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {font-family} $font-family
 * Tab font-family
 *
 * @param {number/list} $padding
 * Tab padding
 *
 * @param {number/list} $padding-big
 * Tab padding in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {color} $icon-color
 * Tab icon color.
 *
 * @var {color} $active-icon-color
 * Tab icon color when active
 *
 * @param {number} $icon-size
 * Tab icon size
 *
 * @param {number} $icon-size-big
 * Tab icon size in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $icon-font-size
 * Tab icon font-size.  Used for configuring the size of font icons
 *
 * @param {number} $icon-font-size-big
 * Tab icon font-size in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $icon-horizontal-spacing
 * The space between the button icon and text when the icon is horizontally aligned
 *
 * @param {number} $icon-horizontal-spacing-big
 * The space between the button icon and text when the icon is horizontally aligned
 * in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $icon-vertical-spacing
 * The space between the button icon and text when the icon is vertically aligned
 *
 * @param {number} $icon-vertical-spacing-big
 * The space between the button icon and text when the icon is vertically aligned
 * in the {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $disabled-opacity
 * Tab opacity when disabled
 * @param {color} $badge-background-color
 * The background-color of the button's {@link #badgeText badge}
 *
 * @param {string/list} $badge-background-gradient
 * The background-gradient of the button's {@link #badgeText badge} Can be either the name
 * of a gradient defined by {@link Global_CSS#background-gradient} or a list of color stops.
 *
 * @param {color} $badge-color
 * The text color of the button's {@link #badgeText badge}
 *
 * @param {color} $badge-border-color
 * The border-color of the button's {@link #badgeText badge}
 *
 * @param {number/list} $badge-border-radius
 * The border-radius of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-min-width
 * The min-width of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-max-width
 * The max-width of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-font-weight
 * The font-weight of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-font-size
 * The font-size of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-font-size-big
 * The font-size of the button's {@link #badgeText badge} in the
 * {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {string} $badge-font-family
 * The font-family of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-line-height
 * The line-height of the button's {@link #badgeText badge}
 *
 * @param {number} $badge-line-height-big
 * The line-height of the button's {@link #badgeText badge} in the
 * {@link Global_CSS#$enable-big big} sizing scheme
 *
 * @param {number} $badge-top
 * Offset of the {@link #badgeText badge} from the top of the button
 *
 * @param {number} $badge-right
 * Offset of the {@link #badgeText badge} from the right of the button
 *
 * @param {number} $badge-bottom
 * Offset of the {@link #badgeText badge} from the bottom of the button
 *
 * @param {number} $badge-left
 * Offset of the {@link #badgeText badge} from the left of the button
 *
 * @param {number} $badge-padding
 * The padding of the button's {@link #badgeText badge}
 *
 * @member Ext.tab.Tab
 */
@mixin tab-ui(
    $ui: null,
 
    $background-color: null,
    $active-background-color: null,
 
    $background-gradient: null,
    $active-background-gradient: null,
 
    $color: null,
    $active-color: null,
 
    $border-color: null,
    $active-border-color: null,
 
    $border-width: null,
    $border-style: null,
 
    $border-radius: null,
    $border-radius-big: null,
 
    $active-box-shadow: null,
 
    $font-weight: null,
    $font-size: null,
    $stacked-font-size: null,
    $font-size-big: null,
    $stacked-font-size-big: null,
    $line-height: null,
    $line-height-big: null,
    $font-family: null,
 
    $padding: null,
    $padding-big: null,
 
    $icon-color: null,
    $active-icon-color: null,
    $icon-size: null,
    $icon-size-big: null,
    $icon-font-size: null,
    $icon-font-size-big: null,
    $icon-horizontal-spacing: null,
    $icon-horizontal-spacing-big: null,
    $icon-vertical-spacing: null,
    $icon-vertical-spacing-big: null,
 
    $disabled-opacity: null,
 
    $badge-background-color: null,
    $badge-background-gradient: null,
    $badge-color: null,
    $badge-border-color: null,
    $badge-border-radius: null,
    $badge-min-width: null,
    $badge-max-width: null,
    $badge-font-weight: null,
    $badge-font-size: null,
    $badge-font-size-big: null,
    $badge-font-family: null,
    $badge-line-height: null,
    $badge-line-height-big: null,
    $badge-top: null,
    $badge-right: null,
    $badge-bottom: null,
    $badge-left: null,
    $badge-padding: null,
    $badge-padding-big: null
) {
    $ui-suffix: ui-suffix($ui);
 
    .x-tab#{$ui-suffix} {
        color: $color;
        padding: $padding;
        @include font($font-weight, $font-size, $line-height, $font-family);
        @include border($border-width, $border-style, $border-color);
 
        @if $enable-border-radius {
            @include border-radius($border-radius);
        }
 
        @if $enable-big {
            .x-big & {
                @if $padding-big != $padding {
                    padding: $padding-big;
                }
                @if $font-size-big != $font-size {
                    font-size: $font-size-big;
                }
                @if $line-height-big != $line-height {
                    line-height: $line-height-big;
                }
                @if $enable-border-radius and ($border-radius-big != $border-radius) {
                    @include border-radius($border-radius-big);
                }
            }
        }
 
        @include background-gradient($background-color, $background-gradient);
 
        &.#{$prefix}iconalign-top,
        &.#{$prefix}iconalign-bottom {
            &:not(.#{$prefix}button-no-icon) {
                font-size: $stacked-font-size;
 
                @if $enable-big {
                    .#{$prefix}big & {
                        font-size: $tab-stacked-font-size-big;
                    }
                }
            }
        }
 
        &.x-tab-active {
            color: $active-color;
            @include background-gradient($active-background-color, $active-background-gradient);
            border-color: $active-border-color;
            box-shadow: $active-box-shadow;
        }
 
        .x-button-icon {
            width: $icon-size;
            height: $icon-size;
            @include icon($font-size: $icon-font-size, $font-size-big: $icon-font-size-big);
 
            @if $enable-big {
                .x-big & {
                    width: $icon-size-big;
                    height: $icon-size-big;
                }
            }
 
            color: $icon-color;
        }
 
        &.x-tab-active .x-button-icon {
            color: $active-icon-color;
        }
 
        &.x-iconalign-left .x-button-icon {
            margin-right: $icon-horizontal-spacing;
 
            @if $enable-big and $icon-horizontal-spacing-big != $icon-horizontal-spacing {
                .x-big & {
                    margin-right: $icon-horizontal-spacing-big;
                }
            }
        }
 
        &.x-iconalign-right .x-button-icon {
            margin-left: $icon-horizontal-spacing;
 
            @if $enable-big and $icon-horizontal-spacing-big != $icon-horizontal-spacing {
                .x-big & {
                    margin-left: $icon-horizontal-spacing-big;
                }
            }
        }
 
        &.x-iconalign-top .x-button-icon {
            margin-bottom: $icon-vertical-spacing;
 
            @if $enable-big and $icon-vertical-spacing-big != $icon-vertical-spacing {
                .x-big & {
                    margin-bottom: $icon-vertical-spacing-big;
                }
            }
        }
 
        &.x-iconalign-bottom .x-button-icon {
            margin-top: $icon-vertical-spacing;
 
            @if $enable-big and $icon-vertical-spacing-big != $icon-vertical-spacing {
                .x-big & {
                    margin-top: $icon-vertical-spacing-big;
                }
            }
        }
 
        .x-button-label {
            // prevents the button height from shrinking when it has no text 
            min-height: $line-height;
        }
 
        &.x-disabled {
            opacity: $disabled-opacity;
        }
 
        .x-badge {
            border-color: $badge-border-color;
            min-width: $badge-min-width;
 
            @include font($badge-font-weight, $badge-font-size, $badge-line-height, $badge-font-family);
 
            @if $enable-big {
                .x-big & {
                    font-size: $badge-font-size-big;
                    line-height: $badge-line-height-big;
                    padding: $badge-padding-big;
                }
            }
 
            top: $badge-top;
            right: $badge-right;
            bottom: $badge-bottom;
            left: $badge-left;
            padding: $badge-padding;
            max-width: $badge-max-width;
            color: $badge-color;
 
            @include background-gradient($badge-background-color, $badge-background-gradient);
 
            @if $enable-border-radius {
                @include border-radius($badge-border-radius);
            }
        }
    }
}