patterns.less

/* Patterns.less
 * Repeatable UI elements outside the base styles provided from the scaffolding
 * ---------------------------------------------------------------------------- */


// TOPBAR
// ------

// Topbar for Branding and Nav
.topbar {
  #gradient > .vertical(#333, #222);
  height: 40px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  overflow: visible;

  // gradient is applied to it's own element because overflow visible is not honored by ie when filter is present
  .fill {
    background:#222;
    #gradient > .vertical(#333, #222);
    @shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
    .box-shadow(@shadow);
  }

  // Links get text shadow
  a {
    color: @grayLight;
    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
  }

  // Hover and active states
  a:hover,
  ul li.active a {
    background-color: #333;
    background-color: rgba(255,255,255,.05);
    color: @white;
    text-decoration: none;
  }

  // Website name
  h3 {
    position:relative;
    a {
      float: left;
      display: block;
      padding: 8px 20px 12px;
      margin-left: -20px; // negative indent to left-align the text down the page
      color: @white;
      font-size: 20px;
      font-weight: 200;
      line-height: 1;
    }
  }

  // Search Form
  form {
    float: left;
    margin: 5px 0 0 0;
    position: relative;
    .opacity(100);
    input {
      background-color: #444;
      background-color: rgba(255,255,255,.3);
      #font > .sans-serif(13px, normal, 1);
      width: 220px;
      padding: 4px 9px;
      color: #fff;
      color: rgba(255,255,255,.75);
      border: 1px solid #111;
      .border-radius(4px);
      @shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.25);
      .box-shadow(@shadow);
      .transition(none);

      // Placeholder text gets special styles; can't be bundled together though for some reason
      &:-moz-placeholder {
        color: @grayLighter;
      }
      &::-webkit-input-placeholder {
        color: @grayLighter;
      }
      // Hover states
      &:hover {
        background-color: @grayLight;
        background-color: rgba(255,255,255,.5);
        color: #fff;
      }
      // Focus states (we use .focused since IE8 and down doesn't support :focus)
      &:focus,
      &.focused {
        outline: none;
        background-color: #fff;
        color: @grayDark;
        text-shadow: 0 1px 0 #fff;
        border: 0;
        padding: 5px 10px;
        .box-shadow(0 0 3px rgba(0,0,0,.15));
      }
    }
  }

  // Navigation
  ul {
    display: block;
    float: left;
    margin: 0 10px 0 0;
    position: relative;
    &.secondary-nav {
      float: right;
      margin-left: 10px;
      margin-right: 0;
    }
    li {
      display: block;
      float: left;
      font-size: 13px;
      a {
        display: block;
        float: none;
        padding: 10px 10px 11px;
        line-height: 19px;
        text-decoration: none;
        &:hover {
          color: #fff;
          text-decoration: none;
        }
      }
      &.active a {
        background-color: #222;
        background-color: rgba(0,0,0,.5);
      }
    }

    // Dropdowns
    &.primary-nav li ul {
      left: 0;
    }
    &.secondary-nav li ul {
      right: 0;
    }
    li.menu {
      position: relative;
      a.menu {
        &:after {
          width: 0px;
          height: 0px;
          display: inline-block;
          content: "↓";
          text-indent: -99999px;
          vertical-align: top;
          margin-top: 8px;
          margin-left: 4px;
          border-left: 4px solid transparent;
          border-right: 4px solid transparent;
          border-top: 4px solid #fff;
          .opacity(50);
        }
      }
      &.open {
        a.menu,
        a:hover {
          background-color: #444;
          background-color: rgba(255,255,255,.1);
          color: #fff;
        }
        ul {
          display: block;
          li {
            a {
              background-color: transparent;
              font-weight: normal;
              &:hover {
                background-color: rgba(255,255,255,.1);
                color: #fff;
              }
            }
            &.active a {
              background-color: rgba(255,255,255,.1);
              font-weight: bold;
            }
          }
        }
      }
    }
    li ul {
      background-color: #333;
      float: left;
      display: none;
      position: absolute;
      top: 40px;
      min-width: 160px;
      max-width: 220px;
      _width: 160px;
      margin-left: 0;
      margin-right: 0;
      padding: 0;
      text-align: left;
      border: 0;
      zoom: 1;
      .border-radius(0 0 5px 5px);
      .box-shadow(0 1px 2px rgba(0,0,0,0.6));
      li {
        float: none;
        clear: both;
        display: block;
        background: none;
        font-size: 12px;
        a {
          display: block;
          padding: 6px 15px;
          clear: both;
          font-weight: normal;
          line-height: 19px;
          color: #bbb;
          &:hover {
            background-color: #333;
            background-color: rgba(255,255,255,.25);
            color: #fff;
          }
        }

        // Dividers (basically an hr)
        &.divider {
          height: 1px;
          overflow: hidden;
          background: #222;
          background: rgba(0,0,0,.2);
          border-bottom: 1px solid rgba(255,255,255,.1);
          margin: 5px 0;
        }

        // Section separaters
        span {
          clear: both;
          display: block;
          background: rgba(0,0,0,.2);
          padding: 6px 15px;
          cursor: default;
          color: @gray;
          border-top: 1px solid rgba(0,0,0,.2);
        }
      }
    }
  }
}


// PAGE HEADERS
// ------------

.hero-unit {
  background-color: #f5f5f5;
  margin-bottom: 30px;
  padding: 60px;
  .border-radius(6px);
  h1 {
    margin-bottom: 0;
    font-size: 60px;
    line-height: 1;
    letter-spacing: -1px;
  }
  p {
    font-size: 18px;
    font-weight: 200;
    line-height: @baseline * 1.5;
  }
}


// PAGE HEADERS
// ------------

.page-header {
  margin-bottom: @baseline - 1;
  border-bottom: 1px solid #ddd;
  .box-shadow(0 1px 0 rgba(255,255,255,.5));
  h1 {
    margin-bottom: (@baseline / 2) - 1px;
  }
}


// ERROR STYLES
// ------------

// One-liner alert bars
.alert-message {
  // TODO: Ask cloudhead how to do this fancy filter elegantly. Less eval is returning strings with quotes ;_;
  #gradient > .vertical(transparent, rgba(0,0,0,0.15));
  -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#15000000')";
  filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#15000000')";
  background-color: @grayLighter;
  margin-bottom: @baseline;
  padding: 8px 15px;
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0,0,0,.3);
  border-bottom: 1px solid rgba(0,0,0,.3);
  .border-radius(4px);
  p {
    color: #fff;
    margin-bottom: 0;
    + p {
      margin-top: 5px;
    }
  }
  &.error {
    #gradient > .vertical(lighten(@red, 30%), lighten(@red, 15%));
    border-bottom-color: lighten(@red, 5%);
  }
  &.warning {
    #gradient > .vertical(lighten(@yellow, 25%), lighten(@yellow, 10%));
    border-bottom-color: @yellow;
  }
  &.success {
    #gradient > .vertical(lighten(@green, 25%), lighten(@green, 10%));
    border-bottom-color: @green;
  }
  &.info {
    #gradient > .vertical(lighten(@blue, 25%), lighten(@blue, 5%));
    border-bottom-color: @blue;
  }
  .close {
    float: right;
    margin-top: -2px;
    color: #000;
    font-size: 20px;
    font-weight: bold;
    text-shadow: 0 1px 0 rgba(255,255,255,1);
    .opacity(20);
    &:hover {
      text-decoration: none;
      .opacity(40);
    }
  }
}

// Block-level Alerts
.block-message {
  margin-bottom: @baseline;
  padding: 14px;
  color: @grayDark;
  color: rgba(0,0,0,.8);
  *color: @grayDark; /* IE 6-7 */
  text-shadow: 0 1px 0 rgba(255,255,255,.25);
  .border-radius(6px);
  p {
    color: @grayDark;
    color: rgba(0,0,0,.8);
    *color: @grayDark; /* IE 6-7 */
    margin-right: 30px;
    margin-bottom: 0;
  }
  ul {
    margin-bottom: 0;
  }
  strong {
    display: block;
  }
  &.error {
    background: lighten(@red, 55%);
    border: 1px solid lighten(@red, 50%);
  }
  &.warning {
    background: lighten(@yellow, 35%);
    border: 1px solid lighten(@yellow, 25%)
  }
  &.success {
    background: lighten(@green, 45%);
    border: 1px solid lighten(@green, 35%)
  }
  &.info {
    background: lighten(@blue, 45%);
    border: 1px solid lighten(@blue, 40%);
  }
}


// NAVIGATION
// ----------

// Common tab and pill styles
.tabs,
.pills {
  margin: 0 0 20px;
  padding: 0;
  .clearfix();
  li {
    display: inline;
    a {
      float: left;
      width: auto;
    }
  }
}

// Basic Tabs
.tabs {
  width: 100%;
  border-bottom: 1px solid @grayLight;
  li {
    a {
      margin-bottom: -1px;
      margin-right: 2px;
      padding: 0 15px;
      line-height: (@baseline * 2) - 1;
      .border-radius(3px 3px 0 0);
      &:hover {
        background-color: @grayLighter;
        border-bottom: 1px solid @grayLight;
      }
    }
    &.active a {
      background-color: #fff;
      padding: 0 14px;
      border: 1px solid #ccc;
      border-bottom: 0;
      color: @gray;
    }
  }
}

// Basic pill nav
.pills {
  li {
    a {
      margin: 5px 3px 5px 0;
      padding: 0 15px;
      text-shadow: 0 1px 1px #fff;
      line-height: 30px;
      .border-radius(15px);
      &:hover {
        background: @linkColorHover;
        color: #fff;
        text-decoration: none;
        text-shadow: 0 1px 1px rgba(0,0,0,.25);
      }
    }
    &.active a {
      background: @linkColor;
      color: #fff;
      text-shadow: 0 1px 1px rgba(0,0,0,.25);
    }
  }
}


// PAGINATION
// ----------

.pagination {
  height: @baseline * 2;
  margin: @baseline 0;
  ul {
    float: left;
    margin: 0;
    border: 1px solid #ddd;
    border: 1px solid rgba(0,0,0,.15);
    border-right: 0\9; /* IE8 and below don't support last child. TODO: clean this up;  */
    .border-radius(3px);
    .box-shadow(0 1px 2px rgba(0,0,0,.05);
    li {
      display: inline;
      a {
        float: left;
        padding: 0 14px;
        line-height: (@baseline * 2) - 2;
        border-right: 1px solid;
        border-right-color: #ddd;
        border-right-color: rgba(0,0,0,.15);
        text-decoration: none;
      }
      a:hover,
      &.active a {
        background-color: lighten(@blue, 45%);
      }
      &.disabled a,
      &.disabled a:hover {
        background-color: none;
        color: @grayLight;
      }
      &.next a,
      &:last-child a {
        border: 0;
      }
    }
  }
}


// WELLS
// -----

.well {
  background-color: #f5f5f5;
  margin-bottom: 20px;
  padding: 19px;
  min-height: 20px;
  border: 1px solid #eee;
  border: 1px solid rgba(0,0,0,.05);
  .border-radius(4px);
  .box-shadow(inset 0 1px 1px rgba(0,0,0,.05));
}


// MODALS
// ------

.modal-backdrop {
  background-color: rgba(0,0,0,.5);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
}
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 2000;
  width: 560px;
  margin: -280px 0 0 -250px;
  background-color: @white;
  border: 1px solid #999;
  border: 1px solid rgba(0,0,0,.3);
  .border-radius(6px);
  .box-shadow(0 3px 7px rgba(0,0,0,0.3));
  .background-clip(padding-box);
  .modal-header {
    border-bottom: 1px solid #eee;
    padding: 5px 20px;
    a.close {
      position: absolute;
      right: 10px;
      top: 10px;
      color: #999;
      line-height:10px;
      font-size: 18px;
    }
  }
  .modal-body {
    padding: 20px;
  }
  .modal-footer {
    background-color: #f5f5f5;
    padding: 14px 20px 15px;
    border-top: 1px solid #ddd;
    .border-radius(0 0 6px 6px);
    .box-shadow(inset 0 1px 0 #fff);
    .clearfix();
    .btn {
      float: right;
      margin-left: 10px;
    }
  }
}


// POPOVER ARROWS
// --------------

#popoverArrow {
  .above(@arrowWidth: 5px) {
    bottom: 0;
    left: 50%;
    margin-left: -@arrowWidth;
    border-left: @arrowWidth solid transparent;
    border-right: @arrowWidth solid transparent;
    border-top: @arrowWidth solid #000;
  }
  .left(@arrowWidth: 5px) {
    top: 50%;
    right: 0;
    margin-top: -@arrowWidth;
    border-top: @arrowWidth solid transparent;
    border-bottom: @arrowWidth solid transparent;
    border-left: @arrowWidth solid #000;
  }
  .below(@arrowWidth: 5px) {
    top: 0;
    left: 50%;
    margin-left: -@arrowWidth;
    border-left: @arrowWidth solid transparent;
    border-right: @arrowWidth solid transparent;
    border-bottom: @arrowWidth solid #000;
  }
  .right(@arrowWidth: 5px) {
    top: 50%;
    left: 0;
    margin-top: -@arrowWidth;
    border-top: @arrowWidth solid transparent;
    border-bottom: @arrowWidth solid transparent;
    border-right: @arrowWidth solid #000;
  }
}

// TWIPSY
// ------

.twipsy {
  display: block;
  position: absolute;
  visibility: visible;
  padding: 5px;
  font-size: 11px;
  z-index: 1000;
  .opacity(80);
  &.above .twipsy-arrow   { #popoverArrow > .above(); }
  &.left .twipsy-arrow    { #popoverArrow > .left(); }
  &.below .twipsy-arrow   { #popoverArrow > .below(); }
  &.right .twipsy-arrow   { #popoverArrow > .right(); }
  .twipsy-inner {
    padding: 3px 8px;
    background-color: #000;
    color: white;
    text-align: center;
    max-width: 200px;
    text-decoration: none;
    .border-radius(4px);
  }
  .twipsy-arrow {
    position: absolute;
    width: 0;
    height: 0;
  }
}


// POPOVERS
// --------

.popover {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  padding: 5px;
  display: none;
  &.above .arrow { #popoverArrow > .above(); }
  &.right .arrow { #popoverArrow > .right(); }
  &.below .arrow { #popoverArrow > .below(); }
  &.left .arrow  { #popoverArrow > .left(); }
  .arrow {
    position: absolute;
    width: 0;
    height: 0;
  }
  .inner {
    background-color: #333;
    background-color: rgba(0,0,0,.8);
    padding: 3px;
    overflow: hidden;
    width: 280px;
    .border-radius(6px);
    .box-shadow(0 3px 7px rgba(0,0,0,0.3));
  }
  .title {
    background-color: #f5f5f5;
    padding: 9px 15px;
    line-height: 1;
    .border-radius(3px 3px 0 0);
    border-bottom:1px solid #eee;
  }
  .content {
    background-color: @white;
    padding: 14px;
    .border-radius(0 0 3px 3px);
    .background-clip(padding-box);
    p, ul, ol {
      margin-bottom: 0;
    }
  }
}