:root {
  --toolbar-button-background-color: rgba(0, 0, 0, 0);
  --toolbar-button-border-color: var(--toolbar-button-color);
  --toolbar-button-border-radius: 2px;
  --toolbar-button-padding: 4px 10px;
  --toolbar-button-active-background-color: var(--toolbar-button-background-color);
  --toolbar-button-border: 1px solid var(--toolbar-button-border-color);
}

/*~
  name: Toolbar Button
  category: Toolbar Button
  elements: ons-toolbar-button
  markup: |
    <!-- Prerequisite=This example use font-awesome(http://fortawesome.github.io/Font-Awesome/) to display icons. -->
    <button class="toolbar-button">
      <i class="fa fa-bell" style="font-size:17px"></i>
    </button>

    <button class="toolbar-button">
      Label
    </button>

    <button class="toolbar-button toolbar-button--outline">
      <i class="fa fa-bell" style="font-size:17px"></i> Label
    </button>
*/

.toolbar-button {
  @apply(--reset-font);
  padding: var(--toolbar-button-padding);
  letter-spacing: 0;
  color: var(--toolbar-button-color);
  background-color: var(--toolbar-button-background-color);
  border-radius: var(--toolbar-button-border-radius);
  border: 1px solid transparent;
  font-weight: var(--font-weight);
  font-size: var(--font-size);
  transition: none;
}

.toolbar-button:active {
  background-color: var(--toolbar-button-active-background-color);
  transition: none;
  opacity: 0.2;
}

.toolbar-button:disabled,
.toolbar-button[disabled] {
  @apply(--disabled);
}

.toolbar-button:focus {
  outline: 0;
  transition: none;
}

.toolbar-button:hover {
  transition: none;
}

.toolbar-button--outline {
  border: var(--toolbar-button-border);
  margin: auto 8px;
  padding-left: 6px;
  padding-right: 6px;
}

/*~
  name: Material Toolbar Button
  category: Toolbar Button
  elements: ons-toolbar-button
  markup: |
    <!-- Prerequisite=This example use Material Design Iconic Font(http://zavoloklom.github.io/material-design-iconic-font/) to display icons. -->
    <span class="toolbar-button toolbar-button--material">
      <i class="zmdi zmdi-menu"></i>
    </span>
    <span class="toolbar-button toolbar-button--material">
      Label
    </span>
    <span class="toolbar-button toolbar-button--material">
      <i class="zmdi zmdi-favorite"></i>
    </span>
*/

.toolbar-button--material {
  font-size: 22px;
  color: var(--material-toolbar-button-color);
  display: inline-block;
  padding: 0 12px;
  height: 100%;
  margin: 0;
  border: none;
  border-radius: 0;
  vertical-align: initial;
  transition: background-color 0.25s linear;
}

.toolbar-button--material:first-of-type {
  margin-left: 4px;
}

.toolbar-button--material:last-of-type {
  margin-right: 4px;
}

.toolbar-button--material:active {
  opacity: 1;
  transition: background-color 0.25s linear;
}

.back-button {
  height: 44px;
  line-height: 44px;
  padding-left: 8px;
  color: var(--toolbar-button-color);
  background-color: var(--toolbar-button-background-color);
  display: inline-block;
}

.back-button:active {
  opacity: 0.2;
}

.back-button__label {
  display: inline-block;
  height: 100%;
  vertical-align: top;
  line-height: var(--toolbar-height);
  font-size: var(--font-size);
  font-weight: var(--font-weight--large);
}

.back-button__icon {
  margin-right: 6px;
  display: inline-flex;
  fill: var(--toolbar-button-color);
  align-items: center;
  height: 100%;
}

.back-button--material {
  font-size: 22px;
  color: var(--material-toolbar-button-color);
  display: inline-block;
  padding: 0 12px;
  height: 100%;
  margin: 0 0 0 4px;
  border: none;
  border-radius: 0;
  vertical-align: initial;
  line-height: 56px;
}

.back-button--material__label {
  display: none;
  font-size: 20px;
}

.back-button--material__icon {
  display: inline-flex;
  fill: var(--material-toolbar-button-color);
  align-items: center;
  height: 100%;
}

.back-button--material:active {
  opacity: 1;
}