discourse/app/assets/stylesheets/mobile/topic-list.scss

// --------------------------------------------------
// Topic lists
// --------------------------------------------------

// List controls
// --------------------------------------------------

.list-controls {
  .category-breadcrumb.hidden {
    display: none;
  }
  margin: 5px 0;
  .nav {
    float: left;
    margin-right: 15px;
    li {
      margin-top: 5px;
    }
  }
  .btn {
    float: right;
    margin-left: 8px;
    margin-top: 5px;
  }
  .nav-pills {
    position: relative;
  }
  .nav-pills .drop {
    border: 1px solid $primary-low;
    position: absolute;
    z-index: 1000;
    background-color: $secondary;
    padding: 0 10px 10px 10px;
    width: 150px;
    top: 100%;
    margin: 0;
    li {
      list-style-type: none;
      margin-left: 0;
      margin-top: 5px;
      padding-top: 10px;
      a {
        width: 100%;
        display: inline-block;
      }
    }

  }
  .nav-pills > li {
    background: $primary-low;
    .d-icon-caret-down {
      margin-left: 8px;
    }
  }
}

.list-container .full-width {
  margin-left: 0;
}

// Base list
// --------------------------------------------------

.topic-list {

  .right {
    margin-left: 55px;
  }

  > tbody > tr {
    &.highlighted {
      animation: background-fade-highlight 2.5s ease-out;
    }
  }

  th,
  td {
    padding: 7px 0;
    color: dark-light-choose($primary-medium, $secondary-medium);
    max-width: 300px;
  }

  a.title {color: $primary;}

  .badge-notification, .category-topic-link td.num .badge-notification {
    position: relative;
    top: -1px;
    font-size: 1em;
    padding: 4px 6px 3px 6px;
    i {color: $secondary;}

    &.new-topic::before {
      margin-right: 0;
    }
    &.new-topic {
      padding: 0;
      top: -2px;
    }
  }

  .category-topic-link td.num .badge-notification {
    &.new-posts, &.unread-posts {
      color: dark-light-choose($secondary, $secondary);
    }
  }

  .topic-item-stats {
    margin-top: 8px;
    .category, .num, .last-poster {
      float: left;
    }
    .category a {
      max-width: 160px;
    }
    .num .fa, a, a:visited {
      color: dark-light-choose($primary-medium, $secondary-medium);
    }
  }


  .age {
    white-space: nowrap;
    a {
      // let's make all ages dim on mobile so we're not
      // overwhelming people with info about each topic
      color: dark-light-choose($primary-low-mid, $secondary-high) !important;
    }
  }
}

// Category list
// --------------------------------------------------
.categories-list .category-list {
  margin-left: -10px;
  margin-bottom: 2em;

  td {
    padding: 12px 5px;
    color: dark-light-choose($primary-medium, $secondary-high);
    vertical-align: top;
  }

  td:first-of-type {
    padding-left: 10px;
  }

  tbody {
    tr {
      border-bottom: 1px solid $primary-low;
      &:first-of-type {
        border-top: 3px solid $primary-low;
      }
    }
    .category {
      border-left: 6px solid;
    }
  }
}

.category-list-item.category {
  // Allow percentage widths on table cells to include their padding
  box-sizing: border-box;
  *, *:before, *:after {
    box-sizing: inherit;
  }

  .posts {
    width: 10%;
    vertical-align: top;
  }

  .age {
    margin-left: 5px;
  }
}

tr.category-topic-link {
  border-top: darken($secondary, 3%) 1px solid;
  border-bottom: darken($secondary, 3%) 1px solid;
}

.topic-list.categories {
  td.latest {
    vertical-align: top;
    padding: 5px;
  }

  .badge-category {
    display: inline-block;
    margin-top: 1px;
  }
  .featured-users {
    @include mobile-portrait  {
      margin-bottom: 10px;
      padding-top: 8px;
      clear: left;
    }
    @include not-mobile-portrait  {
      float: right;
    }
  }
  .latest {
    @include mobile-portrait { width: 150px; }
    @include mobile-landscape { width: 270px; }
    @include tablet-landscape { width: 450px; }
    .featured-topic {
      margin: 8px 0;
      a.last-posted-at, a.last-posted-at:visited {
        color: dark-light-choose($primary-medium, $secondary-medium);
      }
    }
  }
  .stats {
    @include not-tablet-landscape { display: none; }
    @include tablet-landscape { min-width: 80px; }
  }
}

.category-list-item {

  border-left: 6px solid;

  h3 {
    display: inline-block;
    font-size: 1.286em;
    margin: 0 0 0 10px;
    i {
      margin-right: 5px;
    }
    a[href] {
      color: $primary;
    }
  }

  .category-topic-link .main-link, .subcategories-list td, .category-description td {
    padding-left: 10px;
  }

  .category-topic-link .main-link .age {
    font-size: 0.857em;
  }

  .category-description td {
    padding-top: 0;
    padding-bottom: 15px;
  }

  .subcategories-list td {
    padding-top: 15px;
  }

  .topic-list > tbody > tr {
    &:nth-child(odd) {
      background-color: $secondary;
    }
    &:nth-child(even) {
      background-color: $secondary;
    }
  }

  th .badge-category {
    margin: 0;
  }

  .category-topic-link {
    .num {
      white-space: nowrap;
    }
    .topic-excerpt {
      width: 110%;
    }
  }


  .posters {
    float: left;
  }
  > footer {
    border-top: 0;
    padding: 7px 10px;
    figure {
      float: left;
      margin: 3px 7px 0 0;
      color: dark-light-choose($primary, $secondary-low);
      font-weight: bold;
      font-size: 0.857em;
    }
    figcaption {
      display: inline;
      font-weight: normal;
    }
    .btn {
      float: right;
      margin-left: 7px;
    }
  }
}

.category-box {
  h3 {
    margin: 0 0 0.5em 0;
  }
}

.topic-list-bottom {
  margin: 20px 0 0 0;
}


// Misc. stuff
// --------------------------------------------------
.list-controls {
  .category-dropdown-button {
    padding: 4px 10px 4px 8px;
  }
}

.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle {
  outline: 0;
}

.dropdown {
  position: relative;
}
.dropdown-toggle:active,
.open .dropdown-toggle {
  outline: 0;
}
.caret {
  display: inline-block;
  width: 0;
  height: 0;
  vertical-align: middle;
  border-top: 4px solid $primary;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  content: "";
  margin-left: 5px;
}
.dropdown-menu {
  position: relative;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  width: 280px;
  padding: 4px 0;
  list-style: none;
  background-color: $secondary;
  border: 1px solid dark-light-choose(rgba(0, 0, 0, 0.2), $primary);
  border-radius: 5px;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  background-clip: padding-box;
  margin: 1px 0 20px;
  .title {font-weight: bold; display: block;}
}
.dropdown-menu a {
  display: block;
  padding: 3px 15px;
  clear: both;
  font-weight: normal;
  line-height: 18px;
  color: $primary;
}
.dropdown-menu li > a:hover,
.dropdown-menu .active > a,
.dropdown-menu .active > a:hover {
  color: $tertiary;
  text-decoration: none;
  background-color: $tertiary-low;
}
.open > .dropdown-menu {
  display: block;
  clear: both;
}
.fade {
  opacity: 0;
  transition: opacity linear .15s;
}
.fade.in {
  opacity: 1;
}

ol.category-breadcrumb {
  margin: 5px 10px 0 0;
}

.category-dropdown-menu {
  height: 200px;

  a.badge-category {
    line-height: 26px !important;
    margin-bottom: 0 !important;
  }
}

.top-lists {
  h2 { margin-left: 10px; }
  .topic-list { padding-bottom: 10px; }
  .btn-default.pull-right { margin-right: 10px; }
}

.tags-admin-menu {
  display: none;
}

.topic-list-bottom h3 {
  clear:both;
  padding-top:10px;
}

.category-logo {
  display: block;
  max-width: 100%;
  max-height: 150px;
  padding: 8px 0;
}

button.dismiss-read {
  margin-right: 10px;
}

// base defines extra padding for easier click/top of title field
// this is a bit too much for mobile
td .main-link {
  width: 80%;
  display: inline-block;
  a.title {
    padding: 5px 10px 5px 0;
    word-wrap: break-word;
  }
}
.topic-list {
  .posts-map {
    font-size: 1.143em;
  }
  // so the topic excerpt is full width
  // as the containing div is 80%
  .topic-excerpt {
    padding-right: 0;
    width: 120%;
  }
}

.category-list.with-topics .category-list-item .category-description {
  display: none;
}