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


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

// Core
.btn {
  display: inline-block;
  .ie7-inline-block();
  padding: 4px 12px 6px;
  margin-bottom: 0; // For input.btn
  font-size: @baseFontSize;
  line-height: @baseLineHeight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  .buttonBackground(@btnBackground, @btnBackgroundHighlight, #fff, 0 1px 1px rgba(255,255,255,.75));
  border: 0;
  .ie7-restore-left-whitespace(); // Give IE7 some love
  .transition(background-color .1s linear);
  // Hover/focus state
  &:hover,
  &:focus {
    color: #fff;
    text-decoration: none;

    // transition is only when going to hover/focus
    .transition(background-color .1s linear);
  }

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

  // Active state
  &.active,
  &:active {
    outline: 0;
  }

  // Disabled state
  &.disabled,
  &[disabled] {
    cursor: default;
    .opacity(65);
  }

}


.btn.btn-metro {
  border: 2px solid @btnBackground;
  background-color: transparent;
  color: @gray;

  &.btn-default {
    border-color: @btnBackgroundHighlight;
    &:hover,&:focus {
      background: @btnBackgroundHighlight;
    }
    &:active {
      border-color: darken(@btnBackgroundHighlight, 10%);
      background: darken(@btnBackgroundHighlight, 10%);
    }
  }

  &.btn-primary {
    border-color: @btnPrimaryBackgroundHighlight;
    color: @blueDark;
    &:active {
      border-color: darken(@btnPrimaryBackgroundHighlight, 10%);
    }
  }

  &.btn-info {
    border-color: @btnInfoBackgroundHighlight;
    color: @blue;
    &:active {
      border-color: darken(@btnInfoBackgroundHighlight, 10%);
    }
  }

  &.btn-success {
    border-color:@btnSuccessBackgroundHighlight;
    color: @green;
    &:active {
      border-color: darken(@btnSuccessBackgroundHighlight, 10%);
    }
  }

  &.btn-warning {
    border-color: @btnWarningBackgroundHighlight;
    color: @orange;
    &:active {
      border-color: darken(@btnWarningBackgroundHighlight, 10%);
    }
  }

  &.btn-danger {
    border-color: @btnDangerBackgroundHighlight;
    color: @red;
    &:active {
      border-color: darken(@btnDangerBackgroundHighlight, 10%);
    }
  }

  &.btn-inverse {
    border-color: #fff;
    color: #fff;
    &:hover,&:focus {
      background-color: rgba(255,255,255,0.3);
    }
    &:active {
      border-color: #fff;
      background: #fff;
      color: #000;
    }
  }

  &:hover,&:focus {
    color: #fff;
  }
}


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

// Large
.btn-large {
  padding: @paddingLarge;
  font-size: @fontSizeLarge;
}
.btn-large [class^="icon-"],
.btn-large [class*=" icon-"] {
  margin-top: 4px;
}

// Small
.btn-small {
  padding: @paddingSmall;
  font-size: @fontSizeSmall;
}
.btn-small [class^="icon-"],
.btn-small [class*=" icon-"] {
  margin-top: 0;
}
.btn-mini [class^="icon-"],
.btn-mini [class*=" icon-"] {
  margin-top: -1px;
}

// Mini
.btn-mini {
  padding: @paddingMini;
  font-size: @fontSizeMini;
}


// Block button
// -------------------------

.btn-block {
  display: block;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
  .box-sizing(border-box);
}

// Vertically space out multiple block buttons
.btn-block + .btn-block {
  margin-top: 5px;
}

// Specificity overrides
input[type="submit"],
input[type="reset"],
input[type="button"] {
  &.btn-block {
    width: 100%;
  }
}



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

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

// Set the backgrounds
// -------------------------
.btn-primary {
  .buttonBackground(@btnPrimaryBackground, @btnPrimaryBackgroundHighlight);
}
// Warning appears are orange
.btn-warning {
  .buttonBackground(@btnWarningBackground, @btnWarningBackgroundHighlight);
}
// Danger and error appear as red
.btn-danger {
  .buttonBackground(@btnDangerBackground, @btnDangerBackgroundHighlight);
}
// Success appears as green
.btn-success {
  .buttonBackground(@btnSuccessBackground, @btnSuccessBackgroundHighlight);
}
// Info appears as a neutral blue
.btn-info {
  .buttonBackground(@btnInfoBackground, @btnInfoBackgroundHighlight);
}
// Inverse appears as dark gray
.btn-inverse {
  .buttonBackground(@btnInverseBackground, @btnInverseBackgroundHighlight);
}


// Cross-browser Jank
// --------------------------------------------------

button.btn,
input[type="submit"].btn {

  // Firefox 3.6 only I believe
  &::-moz-focus-inner {
    padding: 0;
    border: 0;
  }

  // IE7 has some default padding on button controls
  *padding-top: 3px;
  *padding-bottom: 3px;

  &.btn-large {
    *padding-top: 7px;
    *padding-bottom: 7px;
  }
  &.btn-small {
    *padding-top: 3px;
    *padding-bottom: 3px;
  }
  &.btn-mini {
    *padding-top: 1px;
    *padding-bottom: 1px;
  }
}


// Link buttons
// --------------------------------------------------

// Make a button look and behave like a link
.btn-link,
.btn-link:active,
.btn-link[disabled] {
  background-color: transparent;
  background-image: none;
}
.btn-link {
  border-color: transparent;
  cursor: pointer;
  color: @linkColor;
}
.btn-link:hover,
.btn-link:focus {
  color: @linkColorHover;
  text-decoration: underline;
  background-color: transparent;
}
.btn-link[disabled]:hover,
.btn-link[disabled]:focus {
  color: @grayDark;
  text-decoration: none;
}
