$primary: #106cc8 !default;

md2-accordion {
  display: block;
}

md2-accordion-tab {
  position: relative;
  display: block;
  outline: 0;
  box-sizing: border-box;

  &[hidden] {
    display: none;
  }
}

.md2-accordion-header {
  position: relative;
  display: block;
  padding-right: 30px;
  font-weight: 500;
  line-height: 40px;
  text-align: left;
  color: rgba(black, 0.87);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 1px solid rgba(black, 0.12);
  border-radius: 0;
  box-sizing: border-box;
  user-select: none;

  md2-accordion-tab.md2-accordion-tab-active > & {
    border-color: $primary;
    box-shadow: 0 1px 0 $primary;
  }

  md2-accordion-tab.md2-accordion-tab-disabled > & {
    pointer-events: none;
    color: rgba(black, 0.26);
    background-image: linear-gradient(to right, rgba(black, 0.26) 0, rgba(black, 0.26) 33%, transparent 0);
    background-size: 4px 1px;
    background-repeat: repeat-x;
    background-position: 0 bottom;
    border-color: transparent;
    box-shadow: none;
    cursor: default;
  }
}

.md2-accordion-header-icon {
  position: absolute;
  top: 12px;
  right: 8px;
  width: 8px;
  height: 8px;
  overflow: hidden;
  display: inline-block;
  border-width: 0 2px 2px 0;
  border-style: solid;
  border-color: currentColor;
  opacity: 0.64;
  transform: rotate(45deg);
  transition: 300ms ease-in-out;

  md2-accordion-tab.md2-accordion-tab-active > .md2-accordion-header > & {
    transform: rotate(225deg);
    top: 16px;
  }
}

.md2-accordion-tab-body {
  position: relative;
  overflow: hidden;

  md2-accordion-tab.md2-accordion-tab-active & {
    overflow: visible;
  }
}

.md2-accordion-tab-content {
  position: relative;
  padding: 20px 0;
  border-bottom: 1px solid rgba(black, 0.12);
}