/* Button background */
button,
combobox button.combo,
toolbar .raised button,
toolbar combobox button.combo,
toolbar.primary-toolbar .linked button,
toolbar.primary-toolbar .raised button {
	background-image: linear-gradient(to bottom, 
		@button_gradient_color_a,
		@button_gradient_color_b);
	background-color: transparent;
}

/* Pushed button and progressbar through background (checked) */
button:checked,
button:checked:backdrop,
button:focus:checked,
toolbar button:checked,
toolbar button:focus:checked,
toolbar .raised button:checked,
toolbar .raised button:focus:checked {
	background-image: linear-gradient(to bottom,
		@button_active_gradient_color_a,
		@button_active_gradient_color_b);
	background-color: transparent; 
}

trough,
trough highlight,
row trough {
	background-image: linear-gradient(to bottom,
		@trough_bg_color_a,
		@trough_bg_color_b);
	background-color: transparent; 
}

/* checked hover */
button:checked:hover,
button:checked:focus:hover,
button:checked:focus:hover:active,
toolbar button:checked:hover,
toolbar .raised button:checked:hover,
toolbar button:checked:focus:hover,
toolbar .raised button:checked:focus:hover,
toolbar button:checked:focus:hover:active,
toolbar .raised button:checked:focus:hover:active,
toolbar.primary-toolbar.horizontal > toolitem > .linked > button.raised.image-button:checked:hover,
toolbar.primary-toolbar.horizontal > toolitem > .linked > button.raised.image-button:focus:hover:active,
row trough:hover {
	background-image: linear-gradient(to bottom,
		shade (@button_active_gradient_color_a, 1.05),
		shade (@button_active_gradient_color_b, 1.05));
	background-color: transparent; 
}

/* Primary and inline toolbars pushed button background */
toolbar.primary-toolbar button:checked,
toolbar.inline-toolbar button:checked {
	background-image: linear-gradient(to bottom,
		@button_active_gradient_color_a,
		@button_active_gradient_color_b);
	background-color: transparent;
}

toolbar.primary-toolbar button:checked:hover,
toolbar.inline-toolbar button:checked:hover {
	background-image: linear-gradient(to bottom,
		shade (@button_active_gradient_color_a, 1.05),
		shade (@button_active_gradient_color_b, 1.05));
	background-color: transparent;
}

/* Hover button background */
button:hover,
toolbar button:hover,
toolbar .raised button:hover,
toolbar combobox button.combo:hover,
combobox button.combo:hover,
toolbar.primary-toolbar combobox button.combo:hover,
toolbar.primary-toolbar.horizontal > toolitem > .linked > button.raised.image-button:hover {
	background-color: transparent;
	background-image: linear-gradient(to bottom,
		@button_hover_gradient_color_a,
		@button_hover_gradient_color_b);
}

/* Prelit button on primary toolbar background */
toolbar.primary-toolbar button:hover {
	background-color: transparent;
	background-image: linear-gradient(to bottom,
		@button_gradient_color_a,
		@button_gradient_color_b);
}

/* Insensitive button background */
button:disabled,
toolbar combobox button.combo:disabled,
toolbar .raised button:disabled,
button:disabled:backdrop,
toolbar combobox button.combo:disabled:backdrop,
toolbar .raised button:disabled:backdrop {
    background-image: none;
    background-color: @insensitive_bg_color;
}

/* Pushed + Insensitive button background */
button:checked:disabled,
toolbar button:checked:disabled,
toolbar combobox button.combo:checked:disabled {
	background-image: linear-gradient(to bottom,
		shade(@insensitive_bg_color, 0.95),
		@insensitive_bg_color 40%,
		@insensitive_bg_color);
	background-color: transparent;
}

button:backdrop,
combobox button.combo:backdrop,
toolbar .raised button:backdrop,
toolbar combobox button.combo:backdrop,
toolbar.primary-toolbar .linked button:backdrop,
toolbar.primary-toolbar .raised button:backdrop {
    background-image: linear-gradient(to bottom, 
                                      @button_gradient_backdrop_color_a,
                                      @button_gradient_backdrop_color_b);
    background-color: transparent;
}

/* Entry background */
entry,
toolbar.primary-toolbar combobox entry.combo {
    background-image: linear-gradient(to bottom,
                                      @entry_background_a,
                                      @entry_background_b);
    box-shadow: inset 0 1px @entry_inset, 
    inset 0 2px alpha(@entry_inset, 0.4);
}

/* Entry pushed button background */
toolbar.primary-toolbar combobox button.combo:checked,
combobox button.combo:checked {
	background-image: linear-gradient(to bottom,
		shade(@entry_background_a, 0.9),
		@entry_background_b);
	background-color: transparent;
	box-shadow: inset 0 1px @entry_inset, 
		inset 0 2px alpha(@entry_inset, 0.4);
}

treeview header button {
	background-image: linear-gradient(to bottom,
		shade(@entry_background_a, 1.0),
		@entry_background_b);
	box-shadow: inset 0 2px 0 0 alpha(@borders, 0.3);
}

treeview header button {
    background-image: linear-gradient(to bottom,
                                      shade(@theme_bg_color, 1.18),
                                      shade(@theme_bg_color, 1.1));
}

treeview header button:hover {
	background-image: linear-gradient(to bottom,
		shade(@entry_background_a, 0.96),
		@entry_background_b);
	box-shadow: inset 0 2px 0 0 alpha(@theme_selected_bg_color, 0.7);
}

treeview header button:focus,
treeview header button:checked,
treeview header button:checked:hover,
treeview header button:hover:active {
	background-image: linear-gradient(to bottom,
		shade(@entry_background_a, 0.92),
		@entry_background_b);
	background-color: transparent;
	box-shadow: inset 0 2px 0 0 alpha(@theme_selected_bg_color, 1.0);
	border-image: none;
}

/* Insensitive entry background */
entry:disabled,
combobox button.combo:disabled,
levelbar trough:disabled,
entry:disabled:backdrop,
combobox button.combo:disabled:backdrop,
levelbar trough:disabled:backdrop {
    background-color: @insensitive_bg_color;
    background-image: none;
    box-shadow: none;
}

/* unfocused entry background */
entry:backdrop,
toolbar.primary-toolbar combobox entry.combo:backdrop {
    background-image: linear-gradient(to bottom,
                                      shade (@backdrop_selected_color, 1.02),
                                      shade (@backdrop_color, 1.02));
    color: @theme_unfocused_fg_color;
}

/* Primary and inline toolbars background */
toolbar.primary-toolbar,
toolbar.inline-toolbar  {
	background-image: linear-gradient(to bottom,
		shade (@theme_bg_color, 1.0),
		shade (@theme_bg_color, 0.96));
	background-color: transparent;
}

toolbar.primary-toolbar.vertical,
toolbar.inline-toolbar.vertical {
	background-image: linear-gradient(to right,
		shade (@theme_bg_color, 1.0),
		shade (@theme_bg_color, 0.96));
	background-color: transparent;
}

scale trough {
	background-image: linear-gradient(to bottom,
		@scale_trough_bg_a,
		@scale_trough_bg_b);
}

scale.vertical trough {
	background-image: linear-gradient(to right,
		@scale_trough_bg_a,
		@scale_trough_bg_b);
}

/* Active switch background*/
switch trough:active,
scale progressbar {
	background-image: linear-gradient(to bottom,
		@switch_trough_active_bg_a,
		@switch_trough_active_bg_b);
	background-color: transparent;
}

scale.vertical progressbar {
	background-image: linear-gradient(to right,
		@switch_trough_active_bg_a,
		@switch_trough_active_bg_b);
	background-color: transparent;
}

/* Progressbar backgrounds */

progressbar progress,
row progressbar progress,
row:hover progressbar progress,
row:selected progressbar progress,
row:selected:focus progressbar progress {
	background-image: linear-gradient(to left top,
		alpha (@progressbar_pattern, 0.25),
		alpha (@progressbar_pattern, 0.25) 25%,
		transparent 25%,
		transparent 50%,
		alpha (@progressbar_pattern, 0.25) 50%,
		alpha (@progressbar_pattern, 0.25) 75%,
		transparent 75%,
		transparent),
		linear-gradient(to bottom,
		@progressbar_background_a,
		@progressbar_background_b);
	background-size: 40px 40px, auto;
	box-shadow: inset 1px 1px alpha(white, 0.2), inset -1px -1px alpha(white, 0.1);
}

progressbar.vertical progress {
	background-image: linear-gradient(to right top,
		alpha (@progressbar_pattern, 0.25),
		alpha (@progressbar_pattern, 0.25) 25%,
		transparent 25%,
		transparent 50%,
		alpha (@progressbar_pattern, 0.25) 50%,
		alpha (@progressbar_pattern, 0.25) 75%,
		transparent 75%,
		transparent),
		linear-gradient(to right,
		@progressbar_background_a,
		@progressbar_background_b);
}

progressbar:backdrop progress,
row progressbar:backdrop progress,
row:selected progressbar:backdrop progress {
    background-image: linear-gradient(to left top,
                                      alpha (@progressbar_pattern, 0.25),
                                      alpha (@progressbar_pattern, 0.25) 25%,
                                      transparent 25%,
                                      transparent 50%,
                                      alpha (@progressbar_pattern, 0.25) 50%,
                                      alpha (@progressbar_pattern, 0.25) 75%,
                                      transparent 75%,
                                      transparent),
                                      linear-gradient(to bottom,
                                      shade (@backdrop_color, 0.8),
                                      shade (@backdrop_selected_color, 0.8));
}

progressbar.vertical:backdrop progress {
    background-image: linear-gradient(to right top,
                                      alpha (@progressbar_pattern, 0.25),
                                      alpha (@progressbar_pattern, 0.25) 25%,
                                      transparent 25%,
                                      transparent 50%,
                                      alpha (@progressbar_pattern, 0.25) 50%,
                                      alpha (@progressbar_pattern, 0.25) 75%,
                                      transparent 75%,
                                      transparent),
                                      linear-gradient(to right,
                                      shade (@backdrop_color, 0.8),
                                      shade (@backdrop_selected_color, 0.8));
}