/**
 * 4.0 - Basic Element
 *  4.3 - buttons
 */

// Base styles
// --------------------------------------------------
.btn {
  display: inline-block;
  margin-bottom: 0; // For input.btn
  font-weight: @btn-font-weight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
  border: 1px solid transparent;
  white-space: nowrap;
  font-family: @headings-font-family;
  border-radius: @border-radius-base;
  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-base; @line-height-base; @border-radius-base);
  .user-select(none);
  .transition(border-color color 0.2s ease);
  &,
  &:active,
  &.active {
    &:focus {
      .tab-focus();
    }
  }

  &:hover,
  &:focus {
    color: @btn-default-color;
    text-decoration: none;
  }

  &:active,
  &.active {
    outline: 0;
    background-image: none;
  }

  &.disabled,
  &[disabled],
  fieldset[disabled] & {
    cursor: not-allowed;
    pointer-events: none; // Future-proof disabling of clicks
    .opacity(.65);
    .box-shadow(none);
  }


  &.square {
    border-radius: 0;
  }
  &.pill {
    border-radius: 100em;
  }
  &.rounded {
    border-radius: 0.225em;
  }
  &.btn-white {
    background-color: transparent;
    border: 1px solid #ffffff;
    color: #ffffff;
    .transition(all 0.2 ease); 
    &:hover {
      background-color: rgba(255, 255, 255, 0.6);
      border-color: rgba(255, 255, 255, 0.6);
      opacity: 1;
      color: #57666e;
      > i {
        color: #57666e !important;
      }
    }
  }
  &.btn-black {
    background: none repeat scroll 0 0 #333333;
    color: white;
    &:hover {
      background-color: darken(#444444, 10%);
    }
  }
  i {
    margin-right: 10px;
  }
  &.icon-right i {
    padding-left: 10px;
    padding-right: 0px;
  }
}

.pressable { 
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
  .box-shadow(~"inset 0 -2px rgba(0, 0, 0, 0.12)");
  border-color: rgba(255, 255, 255, 0.1);
  .transition(~"box-shadow .1s ease-in-out,background-color .2s ease-in-out, transform .1s ease-in-out");
  &:active {
  outline: none;
  .box-shadow( ~"inset rgba(255,255,255,0.6) 0 0.3em .3em, inset rgba(0,0,0,0.2) 0 -0.1em .3em,rgba(0,0,0,0.4) 0 .1em 1px,rgba(0,0,0,0.2) 0 .2em 6px");
  .translate(0,.2em);
  }
}

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

.btn-default {
  .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
}
.btn-primary {
  .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
}
// Success appears as green
.btn-success {
  .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
}
// Info appears as blue-green
.btn-info {
  .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
}
// Warning appears as orange
.btn-warning {
  .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
}
// Danger and error appear as red
.btn-danger {
  .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
}


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

// Make a button look and behave like a link
.btn-link {
  color: @link-color;
  font-weight: normal;
  cursor: pointer;
  border-radius: 0;

  &,
  &:active,
  &[disabled],
  fieldset[disabled] & {
    background-color: transparent;
    .box-shadow(none);
  }
  &,
  &:hover,
  &:focus,
  &:active {
    border-color: transparent;
  }
  &:hover,
  &:focus {
    color: @link-hover-color;
    text-decoration: none;
    background-color: transparent;
  }
  &[disabled],
  fieldset[disabled] & {
    &:hover,
    &:focus {
      color: @btn-link-disabled-color;
      text-decoration: none;
    }
  }
}


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

.btn-lg {
  // line-height: ensure even-numbered height of button next to large input
  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
}
.btn-sm {
  // line-height: ensure proper height of button next to small input
  .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
}
.btn-xs {
  .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);
}


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

.btn-block {
  display: block;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}

// 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%;
  }
}
