/* variables */

$light-grey: #999;

/* mixins */
@mixin center($orient:vertical) {
  display: -webkit-box;
  -webkit-box-orient: $orient;
  -webkit-box-pack: center;
  -webkit-box-align: center;

  display: -moz-box;
  -moz-box-orient: $orient;
  -moz-box-pack: center;
  -moz-box-align: center;

  display: box;
  box-orient: $orient;
  box-pack: center;
  box-align: center;
}

@mixin box-shadow($left, $top, $blur, $color) {
  -webkit-box-shadow: $left $top $blur $color;
  -moz-box-shadow: $left $top $blur $color;
  box-shadow: $left $top $blur $color;
}

@mixin background-cover() {
  background: no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

@mixin opacity($val) {
  opacity: $val;
}

@mixin border-radius($pixels:3px) {
  -webkit-border-radius: $pixels;
  -moz-border-radius: $pixels;
  border-radius: $pixels;
}

@mixin transition($type, $speed) {
  -o-transition: $type $speed;
  -moz-transition: $type $speed;
  -webkit-transition: $type $speed;
  transition: $type $speed;
}

@mixin animation($name, $speed:0.2s, $easing:ease-in-out) {
  -webkit-animation: $name $speed $easing;
  -moz-animation: $name $speed $easing;
  -ms-animation: $name $speed $easing;
}

/* keyframes */

@-webkit-keyframes bump-left {
  0%   { left: 0; }
  40%  { left: 20px; }
  100% { left: 0; }
}

@-moz-keyframes bump-left {
  0%   { left: 0; }
  40%  { left: 20px; }
  100% { left: 0; }
}

@-ms-keyframes bump-left {
  0%   { left: 0; }
  40%  { left: 20px; }
  100% { left: 0; }
}

@-webkit-keyframes bump-right {
  0%   { left: 0; }
  40%  { left: -20px; }
  100% { left: 0; }
}

@-moz-keyframes bump-right {
  0%   { left: 0; }
  40%  { left: -20px; }
  100% { left: 0; }
}

@-ms-keyframes bump-right {
  0%   { left: 0; }
  40%  { left: 20px; }
  100% { left: 0; }
}

/* bootstrap extentions */
.icon-red {
  background-image: url(../img/glyphicons-halflings-red.png);
}

.icon-green {
  background-image: url(../img/glyphicons-halflings-green.png);
}

.icon-blue {
  background-image: url(../img/glyphicons-halflings-blue.png);
}

/* styles */

.bump-left { @include animation(bump-left) }
.bump-right { @include animation(bump-right) }

.multi-photo {
  .img-bounding-box {
    @include center(horizontal);

    margin: 20px;
    height: 500px;
    width: 400px;
  }

  img {
    @include box-shadow(0, 3px, 15px, #999);

    max-width: 100%;
    max-height: 100%;
  }
}

.photoset {
  @include center(horizontal);
  width: 100%;
}

.note {
  width: 550px;
  padding-bottom: 50px;

  p {
    font-size: 20px;
    line-height: 28px;
  }

  h1 {
    margin-bottom: 1em;
  }
}

.status {
  h1 {
    font-weight: bold;
    font-size: 40px;
  }

  &.photo-backdrop {
    h1 {
      font-size: 100px;
    }
  }
}

.darken {
  @include center();

  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: rgba(0,0,0,0.5);
}

.backdrop,
.photo-backdrop {
  @include center();
  @include background-cover();

  position: absolute;

  top: 0;
  left: 0;

  width: 100%;
  height: 100%;
}

.photo-backdrop {
  h1 {
    color: #fff;
    z-index: 2;
  }
}

.rich-media {
  text-align: center;
  background-color: #333;

  h3 {
    color: #999;
  }

  iframe {
    @include box-shadow(0, 3px, 15px, #000);

    width: 857px;
    height: 480px;
  }
}

.nav-arrow {
  @include opacity(0.8);
  @include transition(background-color, 0.3s);
  @include center();

  position: fixed;
  height: 100%;
  z-index: 3;
  top: 0;
  padding: 0 13px;
  background-color: rgba(0,0,0,0);

  img {
    @include opacity(0.5);

    height: 30px;
    width: 30px;
  }

  &.left {
    left: 0;
    padding-right: 19px;
  }

  &.right {
    right: 0;
    padding-left: 19px;
  }

  &:hover {
    background-color: rgba(0,0,0,0.1)
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
}

#header-container {
  padding: 20px;
}

.avatar.smaller {
  height: 35px;
  width: 35px;
}

.author-name {
  color: inherit;
  font-weight: bold;
}

#post-author {
  @include border-radius();

  border: 1px solid rgba(255,255,255,0.2);
  border-top: 1px solid rgba(255,255,255,0.5);

  float: left;
  margin: 0;

  padding: 5px;
  padding-right: 10px;

  background-color: rgba(255,255,255,0.6);
  max-height: 35px;

  .avatar {
    @include border-radius();
  }

  .post-time {
    color: #000;
    @include opacity(0.5);
  }

  .post-vitals {
    span {
      padding-right: 8px;
    }
  }
}

#post-reactions {
  position: fixed;
  width: 100%;
  bottom: 0;
  left: 0;
  text-align: center;
}

#post-interactions {
  @include center(horizontal);
  z-index: 20;

  #post-interactions-container {
    @include box-shadow(0, 6px, 15px, #000);
    @include border-radius();

    border-top: 1px solid #555;
    border-right: 1px solid #444;
    border-left: 1px solid #444;

    width: 420px;
    background-color: #444;
    background-image: url("../images/hatched-bg-dark.png");

    color: #ccc;
  }

  #post-comments {
    text-align: left;
    padding-top: 0;
    max-height: 500px;
    overflow: auto;
  }

  #new-post-comment {
    border-top: 2px solid #333;
    text-align: left;
    background-image: url("../images/hatched-bg-dark.png");
  }

  #new-post-comment-container {
    padding: 10px;

    textarea{
      width: 390px;
      height: 18px;
    }
  }
}

.post-comment {
  box-shadow: 0 1px 2px -2px #999;
  border-bottom: 1px solid #333;

  &:last-child {
    box-shadow: none;
    border-bottom: none;
  }

  padding: 10px;
  padding-right: 40px;
  margin: 0px;

  .avatar {
    @include border-radius();
  }

  text-shadow: 0 1px 3px #222;

  a {
    color: inherit;
  }
}

#user-controls {
  height: 30px;

  .avatar {
    vertical-align: top;
    height: 27px;
    width: 27px;
  }

  .label {
    @include opacity(0.6);
    @include transition(opacity, 0.3s);

    box-shadow: 0 0 2px rgba(255,255,255,0.9);

    padding: 5px;
    margin-right: 5px;
    line-height: 24px;

    padding-top: 3px;
    padding-right: 2px;

    i {
      padding: 0;
      margin: 0;
    }

    background-color: #000;
    color: #fff;

    &:last-child {
      padding-right: 5px;
      margin-right: 0;
    }

    &:hover {
      @include opacity(1);
      text-decoration: none;
    }
  }
}

#post-content {
  padding-top: 50px;
}