//
// Load core variables and mixins
// --------------------------------------------------

@import "variables.less";
@import "mixins.less";

//
// Buttons
// --------------------------------------------------

// Common styles
.btn-default,
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-danger {
	text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.2);
	@shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
	.box-shadow(@shadow);

	// Reset the shadow
	&:active,
	&.active {
		.box-shadow(inset 0 3px 5px rgba(0, 0, 0, 0.125));
	}

	.badge {
		text-shadow: none;
	}
}

// Mixin for generating new styles
.btn-styles(@btn-color: #555) {
	#gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));
	.reset-filter(

	); // Disable gradients for IE9 because filter bleeds through rounded corners; see https://github.com/twbs/bootstrap/issues/10620
	background-repeat: repeat-x;
	border-color: darken(@btn-color, 14%);

	&:hover,
	&:focus {
		background-color: darken(@btn-color, 12%);
		background-position: 0 -15px;
	}

	&:active,
	&.active {
		background-color: darken(@btn-color, 12%);
		border-color: darken(@btn-color, 14%);
	}

	&.disabled,
	&:disabled,
	&[disabled] {
		background-color: darken(@btn-color, 12%);
		background-image: none;
	}
}

// Common styles
.btn {
	// Remove the gradient for the pressed/active state
	&:active,
	&.active {
		background-image: none;
	}
}

// Apply the mixin to the buttons
.btn-default {
	.btn-styles(@btn-default-bg);
	text-shadow: 0 1px 0 #fff;
	border-color: #ccc;
}
.btn-primary {
	.btn-styles(@btn-primary-bg);
}
.btn-success {
	.btn-styles(@btn-success-bg);
}
.btn-info {
	.btn-styles(@btn-info-bg);
}
.btn-warning {
	.btn-styles(@btn-warning-bg);
}
.btn-danger {
	.btn-styles(@btn-danger-bg);
}

//
// Images
// --------------------------------------------------

.thumbnail,
.img-thumbnail {
	.box-shadow(0 1px 2px rgba(0, 0, 0, 0.075));
}

//
// Dropdowns
// --------------------------------------------------

.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus {
	#gradient > .vertical(@start-color: @dropdown-link-hover-bg; @end-color: darken(@dropdown-link-hover-bg, 5%));
	background-color: darken(@dropdown-link-hover-bg, 5%);
}
.dropdown-menu > .active > a,
.dropdown-menu > .active > a:hover,
.dropdown-menu > .active > a:focus {
	#gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
	background-color: darken(@dropdown-link-active-bg, 5%);
}

//
// Navbar
// --------------------------------------------------

// Default navbar
.navbar-default {
	#gradient > .vertical(@start-color: lighten(@navbar-default-bg, 10%) ; @end-color: @navbar-default-bg);
	.reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
	border-radius: @navbar-border-radius;
	@shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 5px rgba(0, 0, 0, 0.075);
	.box-shadow(@shadow);

	.navbar-nav > .open > a,
	.navbar-nav > .active > a {
		#gradient >
			.vertical(
				@start-color: darken(@navbar-default-link-active-bg, 5%) ; @end-color:
					darken(@navbar-default-link-active-bg, 2%)
			);
		.box-shadow(inset 0 3px 9px rgba(0, 0, 0, 0.075));
	}
}
.navbar-brand,
.navbar-nav > li > a {
	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
}

// Inverted navbar
.navbar-inverse {
	#gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%) ; @end-color: @navbar-inverse-bg);
	.reset-filter(

	); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered; see https://github.com/twbs/bootstrap/issues/10257

	.navbar-nav > .open > a,
	.navbar-nav > .active > a {
		#gradient >
			.vertical(@start-color: @navbar-inverse-link-active-bg; @end-color: lighten(@navbar-inverse-link-active-bg, 2.5%));
		.box-shadow(inset 0 3px 9px rgba(0, 0, 0, 0.25));
	}

	.navbar-brand,
	.navbar-nav > li > a {
		text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
	}
}

// Undo rounded corners in static and fixed navbars
.navbar-static-top,
.navbar-fixed-top,
.navbar-fixed-bottom {
	border-radius: 0;
}

// Fix active state of dropdown items in collapsed mode
@media (max-width: @grid-float-breakpoint-max) {
	.navbar .navbar-nav .open .dropdown-menu > .active > a {
		&,
		&:hover,
		&:focus {
			color: #fff;
			#gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
		}
	}
}

//
// Alerts
// --------------------------------------------------

// Common styles
.alert {
	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
	@shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 1px 2px rgba(0, 0, 0, 0.05);
	.box-shadow(@shadow);
}

// Mixin for generating new styles
.alert-styles(@color) {
	#gradient > .vertical(@start-color: @color; @end-color: darken(@color, 7.5%));
	border-color: darken(@color, 15%);
}

// Apply the mixin to the alerts
.alert-success {
	.alert-styles(@alert-success-bg);
}
.alert-info {
	.alert-styles(@alert-info-bg);
}
.alert-warning {
	.alert-styles(@alert-warning-bg);
}
.alert-danger {
	.alert-styles(@alert-danger-bg);
}

//
// Progress bars
// --------------------------------------------------

// Give the progress background some depth
.progress {
	#gradient > .vertical(@start-color: darken(@progress-bg, 4%) ; @end-color: @progress-bg);
}

// Mixin for generating new styles
.progress-bar-styles(@color) {
	#gradient > .vertical(@start-color: @color; @end-color: darken(@color, 10%));
}

// Apply the mixin to the progress bars
.progress-bar {
	.progress-bar-styles(@progress-bar-bg);
}
.progress-bar-success {
	.progress-bar-styles(@progress-bar-success-bg);
}
.progress-bar-info {
	.progress-bar-styles(@progress-bar-info-bg);
}
.progress-bar-warning {
	.progress-bar-styles(@progress-bar-warning-bg);
}
.progress-bar-danger {
	.progress-bar-styles(@progress-bar-danger-bg);
}

// Reset the striped class because our mixins don't do multiple gradients and
// the above custom styles override the new `.progress-bar-striped` in v3.2.0.
.progress-bar-striped {
	#gradient > .striped();
}

//
// List groups
// --------------------------------------------------

.list-group {
	border-radius: @border-radius-base;
	.box-shadow(0 1px 2px rgba(0, 0, 0, 0.075));
}
.list-group-item.active,
.list-group-item.active:hover,
.list-group-item.active:focus {
	text-shadow: 0 -1px 0 darken(@list-group-active-bg, 10%);
	#gradient > .vertical(@start-color: @list-group-active-bg; @end-color: darken(@list-group-active-bg, 7.5%));
	border-color: darken(@list-group-active-border, 7.5%);

	.badge {
		text-shadow: none;
	}
}

//
// Panels
// --------------------------------------------------

// Common styles
.panel {
	.box-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
}

// Mixin for generating new styles
.panel-heading-styles(@color) {
	#gradient > .vertical(@start-color: @color; @end-color: darken(@color, 5%));
}

// Apply the mixin to the panel headings only
.panel-default > .panel-heading {
	.panel-heading-styles(@panel-default-heading-bg);
}
.panel-primary > .panel-heading {
	.panel-heading-styles(@panel-primary-heading-bg);
}
.panel-success > .panel-heading {
	.panel-heading-styles(@panel-success-heading-bg);
}
.panel-info > .panel-heading {
	.panel-heading-styles(@panel-info-heading-bg);
}
.panel-warning > .panel-heading {
	.panel-heading-styles(@panel-warning-heading-bg);
}
.panel-danger > .panel-heading {
	.panel-heading-styles(@panel-danger-heading-bg);
}

//
// Wells
// --------------------------------------------------

.well {
	#gradient > .vertical(@start-color: darken(@well-bg, 5%) ; @end-color: @well-bg);
	border-color: darken(@well-bg, 10%);
	@shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 0 rgba(255, 255, 255, 0.1);
	.box-shadow(@shadow);
}