// A button suitable for giving stars to someone.
//
// :hover             - Subtle hover highlight.
// .stars-given       - A highlight indicating you've already given a star.
// .stars-given:hover - Subtle hover highlight on top of stars-given styling.
// .disabled          - Dims the button to indicate it cannot be used.
//
// Styleguide 2.1.3.

.btn {
  display: inline-block;
  @include ie7-inline-block();
  padding: 4px 14px;
  margin-bottom: 0; // For input.btn
  font-size: $baseFontSize;
  line-height: $baseLineHeight;
  *line-height: $baseLineHeight;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  @include buttonBackground($btnBackground, $btnBackgroundHighlight, $grayDark, 0 1px 1px rgba(255,255,255,.75));
  border: 1px solid $btnBorder;
  *border: 0; // Remove the border to prevent IE7's black border on input:focus
  border-bottom-color: darken($btnBorder, 10%);
  @include border-radius(4px);
  @include ie7-restore-left-whitespace(); // Give IE7 some love
  @include box-shadow(#{inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05)});

// States
// ------
// Hover state
//
//    <button class="btn :hover">Default</button>

  &:hover {
    color: $grayDark;
    text-decoration: none;
    background-color: darken($white, 10%);
    *background-color: darken($white, 15%); /* Buttons in IE7 don't get borders, so darken on hover */
    background-position: 0 -15px;

    // transition is only when going to hover, otherwise the background
    // behind the gradient (there for IE<=9 fallback) gets mismatched
    @include transition(background-position .1s linear);
  }

// Focus state for keyboard and accessibility
//
//    <button class="btn :focus">Default</button>

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

// Active state

//    <button class="btn active">Active</button>

  &.active,
  &:active {
    background-color: darken($white, 10%);
    background-color: darken($white, 15%) \9;
    background-image: none;
    outline: 0;
    @include box-shadow(#{inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05)});
  }

// Add the `disabled` class to links and the `disabled` attribute for `button` elements.

//    <button class="btn" disabled>Disabled</button>

  // Disabled state
  &.disabled,
  &[disabled] {
    cursor: default;
    background-color: darken($white, 10%);
    background-image: none;
    @include opacity(65);
    @include box-shadow(none);
  }

}



// Multiple sizes
// ==============
// Fancy larger or smaller buttons?

// Large

//    <button class="btn btn-large">Large</button>

.btn-large {
  padding: 9px 14px;
  font-size: $baseFontSize + 2px;
  line-height: normal;
  @include border-radius(5px);
}
.btn-large [class^="icon-"] {
  margin-top: 2px;
}

// Small

//    <button class="btn btn-small">Small</button>

.btn-small {
  padding: 3px 9px;
  font-size: $baseFontSize - 2px;
  line-height: $baseLineHeight - 2px;
}
.btn-small [class^="icon-"] {
  margin-top: 0px;
}

// Mini

//    <button class="btn btn-mini">Mini</button>

.btn-mini {
  padding: 2px 6px;
  font-size: $baseFontSize - 3px;
  line-height: $baseLineHeight - 4px;
}

// Block button
//
//    <button class="btn btn-block">Block</button>

.btn-block {
  display: block;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
  @include box-sizing(border-box);
}
.btn-block + .btn-block {
  margin-top: 5px;
}


// 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 {
  // reset here as of 2.0.3 due to Recess property order
  border-color: #c5c5c5;
  border-color: rgba(0,0,0,.15) rgba(0,0,0,.15) rgba(0,0,0,.25);
}

 // Set the backgrounds

// Provides extra visual weight and identifies the primary action in a set of buttons.

//    <button class="btn btn-primary">Primary</button>
//    <button class="btn btn-primary :hover">Hover</button>
//    <button class="btn btn-primary :active">Active</button>

.btn-primary {
  @include buttonBackground($btnPrimaryBackground, $btnPrimaryBackgroundHighlight);
}

// Indicates caution should be taken with this action

//    <button class="btn btn-warning">Warning</button>
//    <button class="btn btn-warning :hover">Hover</button>
//    <button class="btn btn-warning :active">Active</button>

.btn-warning {
  @include buttonBackground($btnWarningBackground, $btnWarningBackgroundHighlight);
}

// Indicates a dangerous or potentially negative action

//    <button class="btn btn-danger">Danger</button>
//    <button class="btn btn-danger :hover">Hover</button>
//    <button class="btn btn-danger :active">Active</button>

.btn-danger {
  @include buttonBackground($btnDangerBackground, $btnDangerBackgroundHighlight);
}

// Indicates a successful or positive action

//    <button class="btn btn-success">Success</button>
//    <button class="btn btn-success :hover">Hover</button>
//    <button class="btn btn-success :active">Active</button>

.btn-success {
  @include buttonBackground($btnSuccessBackground, $btnSuccessBackgroundHighlight);
}
// Used as an alternate to the default styles

//    <button class="btn btn-info">Info</button>
//    <button class="btn btn-info :hover">Hover</button>
//    <button class="btn btn-info :active">Active</button>

.btn-info {
  @include buttonBackground($btnInfoBackground, $btnInfoBackgroundHighlight);
}
// Alternate dark gray button, not tied to a semantic action or use

//    <button class="btn btn-inverse">Inverse</button>
//    <button class="btn btn-inverse :hover">Hover</button>
//    <button class="btn btn-inverse :active">Active</button>
.btn-inverse {
  @include 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 {
  background-color: transparent;
  background-image: none;
  @include box-shadow(none);
}
.btn-link {
  border-color: transparent;
  cursor: pointer;
  color: $linkColor;
  @include border-radius(0);
}
.btn-link:hover {
  color: $linkColorHover;
  text-decoration: underline;
  background-color: transparent;
}