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


// Base styles
// --------------------------------------------------

// Core
.btn {
  border-radius: 3px;

  display: inline-block;
  padding: 4px 13px;
  margin-bottom: 0; // For input.btn
  font-size: @baseFontSize;
  line-height: @baseLineHeight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  border: 1px solid @btnBorder;
  border-color: rgba(0,0,0,.15) rgba(0,0,0,.15) rgba(0,0,0,.25);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  color: @grayDark;
  text-shadow: 0 -1px 0 rgba(0,0,0,.25);
  background-color: @btnBackground;
  text-decoration: none;

  // Hover state
  &:hover {
    opacity: 0.9;
  }

  // Focus state for keyboard and accessibility
  &:focus {
    .tab-focus();
  }

  // Active state
  &.active,
  &:active {
    opacity: 0.9;
    box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
  }

  // Disabled state
  &.disabled,
  &[disabled] {
    cursor: default;
    opacity: 0.7;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  }

}



// Button Sizes
// --------------------------------------------------

// Large
.btn-large {
  padding: 9px 14px;
  font-size: @baseFontSize + 3px;
  line-height: normal;
  border-radius: 5px;
}

// Small
.btn-small {
  padding: 3px 9px;
  font-size: @baseFontSize - 2px;
  line-height: @baseLineHeight - 2px;
}

// Block button
.btn-block {
  display: block;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
  box-sizing: border-box;
}


// Alternate buttons
// --------------------------------------------------

// Provide *some* extra contrast for those who can get it
.btn-warning.active,
.btn-danger.active,
.btn-success.active {
  color: rgba(255,255,255,.75);
}

// Warning appears are orange
.btn-warning {
  color: #fff;
  background-color: @btnWarningBackground;
}
// Danger and error appear as red
.btn-danger {
  color: #fff;
  background-color: @btnDangerBackground;
}
// Success appears as green
.btn-success {
  background-color: @btnSuccessBackground;
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0,0,0,.25);
}