$dark-purple: #423443;
$blue: #2eafc2;
$red: #d12521;
$grey: #dad7d2;

@mixin all-transition{
  -moz-transition: all 0.2s ease-in-out;
  -webkit-transition: all 0.2s ease-in-out;
  -o-transition: all 0.2s ease-in-out;
  -ms-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}

* { 
  margin: 0;
  padding: 0;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

html { font-size: 100%; overflow-y: auto; -webkit-overflow-scrolling: touch; -webkit-tap-highlight-color: rgba(0,0,0,0); -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }

::-moz-selection { background: darken($dark-purple, 10%); color: #fefefe; text-shadow: none; }
::selection { background: darken($dark-purple, 10%); color: #fefefe; text-shadow: none; }

.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}

.clearfix:after {
    clear: both;
}
.clearfix {
    zoom:1;
}

footer, header, section {
  display: block;
}

body, html {
  color: #424242;
  font-family: 'Open Sans', sans-serif;
  background: #fefefe;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
}

a { 
  font-size: 1rem;
  color: darken($blue, 5%);
  text-decoration: underline; }

a:hover { 
  color: $blue;
  text-decoration: none; 
  @include all-transition }

p {
  text-align: left;
  margin-bottom: 1em;
  font-size: 1rem;
}

h1.knight {
  height: 122px;
  width: 122px;
  background: url('../images/knight.png') no-repeat;
  margin: 2em auto 0.5em auto;
}

h2 {
  font-family: 'Cherry Swash';
  font-weight: 400;
  font-size: 2rem;
  text-align: center;
  color: $dark-purple;
  margin-bottom: 0.5em;
}

h3 {
  font-weight: 600;
  font-size: 1.5rem;
  margin: 1em 0 0.5em 0;
  color: lighten($dark-purple, 5%);
}

.alpha {
  font-size: 1.125rem;
}
.center {
  text-align: center !important;
}
.margin-fifty{
  margin: 50px 0;
}
.last-origin{
  background: lighten($blue, 25%) !important;
}
.last-target{
  background: lighten($blue, 20%) !important;
}
.about-in-play {
  margin-right: 1em;
  line-height: 50px;
  float: right !important;
}
.fork{
  float: left;
  width: 149px;
  height: 149px;
  background: url('../images/forkme.png') no-repeat;
  position: absolute;
}

header {
  margin: 0 auto;
  max-width: 800px;
  width: 100%;
  height: 50px;
}

#container_wrapper {
  max-width: 960px;
  width: 100%;
  height: auto;
  padding: 1em 2em;
  margin: 0 auto;
  clear: both;
}

#container {
  width: 100%;
  min-height: 600px;
  margin: 0px 0px 20px 0px;
  float: left;
}

#form{
  width: 100%;
  height: 150px;
  margin: 0 auto;
}

input, button{
  font-family: 'Open Sans';
}

input.game_link {
  width: 80%;
  height: 50px;
  line-height: 50px;
  font-size: 1.125rem;
  color: #fff;
  border: 0;
  border-bottom: 2px solid darken($dark-purple, 8%);
  border-left: 4px solid $blue;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  background: $dark-purple;
  padding: 0 1em;
  float: left;
  border-radius: 2px;
  box-shadow: inset 0 -2px darken($dark-purple, 8%);
}

.game_link:hover {
  background: lighten($dark-purple, 3%);
  border-bottom: 2px solid darken($dark-purple, 3%);;
  box-shadow: inset 0 -2px darken($dark-purple, 3%);
  @include all-transition;
}
.game_link:focus {
  color: #eee;
}

.button {
  width: 15%;
  height: 50px;
  display: block;
  font-size: 1.125rem;
  border-radius: 2px;
  border: 0;
  border-bottom: 2px solid darken($blue, 5%);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  background: $blue;
  color: white;
  cursor: pointer;
  float: right;
  box-shadow: inset 0 -2px darken($blue, 5%);
  position: relative;
}

.button:hover{
  background: lighten($blue, 5%);
  border-bottom: 2px solid darken($blue, 2%);
  box-shadow: inset 0 -2px darken($blue, 2%);
  @include all-transition;
}
.button:active{
  top: 1px;
}
a.button{
  width: 120px;
  line-height: 46px;
  text-align: center;
  text-decoration: none;
}
a.button:hover{
  color: white;
}

p#waiting {
  font-family: 'Cherry Swash';
  font-size: 1.275rem;
  color: darken($red, 5%);
  width: 100%;
  text-align: center;
  margin: 15px 0px 0px 0px;
  display: none;
  float: left;
}

footer {
  font-size: 1rem;
  width: 100%;
  line-height: 2em;
  text-align: center;
  background: $grey;
  border-bottom: 4px solid darken($grey, 10%);
  box-shadow: inset 0 -4px darken($grey, 10%);

  a{
    color: darken($grey, 45%);
  }

  a:hover{
    color: darken($grey, 40%);
  }
}

#footer{
  margin: 0 auto;
  max-width: 960px;
  padding: 3em 2em 1em 2em; 
}

#sounds_label {
  width: 800px;
  height: 30px;
  line-height: 30px;
  display: block;
  margin: 0px 0px 5px 0px;
  float: left;
}

/* Chessboard */

#board_moves_wrapper {
  width: 100%;
  max-width: 800px;
  min-height: 600px;
  margin: 0 auto;
}

table#moves {
  overflow-x: hidden;
  overflow-y: auto;
  width: 270px;
  height: 518px;
  background: lighten($grey, 5%);
  box-shadow: inset 0 -4px $grey;
  margin-left: 10px;
  border-radius: 2px;
  border-bottom: 4px solid $grey;
  display: block;
  float: left;
}

#moves thead {
  font-family: 'Cherry Swash';
  width: 270px;
  height: 3em;
  line-height: 3em;
  font-size: 1.225rem;
  color: $dark-purple;
  float: left;
  text-align: center;
}

#moves thead th, #moves thead tr {
  width: 100%;
  text-align: center;
  float: left;
}

#moves tbody tr {
  width: 270px;
  float: left;
}

#moves tbody tr td {
  width: 105px;
  text-align: left;
  line-height: 20px;
  margin: 0 15px;
  float: left;
}

#board_wrapper {
  float: left;
}

.chess_board {
  border: 8px solid lighten($dark-purple, 10%);
  border-radius: 2px;
  width: 500px;
  height: 500px;
  float: left;
  
  tr {
    width: 500px;
    height: 62.5px;
    float: left;
    display: block;

    td {
      width: 62.5px;
      height: 62.5px;
      line-height: 62.5px;
      text-align: center;
      background: #fefefe;
      display: block;
      float: left;

      a {
        width: 62.5px;
        height: 62.5px;
        font-size: 3.5rem;
        color: #424242;
        text-decoration: none;
        display: block;
      }
    }
  }
}

.chess_board tr:nth-child(odd) td:nth-child(even), 
.chess_board tr:nth-child(even) td:nth-child(odd) { 
  background: $grey; }

span.feedback {
  color: #424242;
  line-height: 28px;
  text-indent: 28px;
  margin-top: 1em;
  display: block;
  clear: left;
  float: left;
}
.feedback-status {
  font-weight: bold;
}
span.whitefeedback {
  background: url('../images/whiteking.png') 0% 50% no-repeat;
}
span.blackfeedback {
  background: url('../images/blackking.png') 0% 50% no-repeat;
}
span.promotion{
  line-height: 28px;
  text-indent: 28px;
  margin-top: 1em;
  display: block;
  float: right;
}
.chess_board td.selected {
  background: lighten($red, 30%) !important;
}

/* Media queries */

@media only screen and (min-width: 760px) and (max-width: 900px) {
  header, #board_moves_wrapper{
    max-width: 760px;
  }

  #sounds_label{
    max-width: 530px;
  }

  #container_wrapper{
    max-width: 900px;
    padding: 1em 10px;
  }

  table#moves{
    margin-left: 0;
    float: right;
    height: 516px;
  }

  table#moves, #moves thead, #moves tbody tr{
    width: 200px;
  }

  #moves tbody tr td {
    width: 90px;
    margin: 0 5px;
  }
}

@media only screen and (min-width: 530px) and (max-width: 759px) {
  header, #board_moves_wrapper, #sounds_label{
    max-width: 530px;
  }
}

@media only screen and (max-width: 759px){
  html{
    font-size: 14px;
  }

  #container_wrapper{
    max-width: 759px;
    padding: 1em 5px;
  }
  span.feedback{
    float: right;
    clear: none;
  }
  table#moves{
    margin-left: 0;
    margin-top: 0.5em;
    height: 258px;
  }
}

@media only screen and (max-width: 529px){
  header, #board_moves_wrapper, #sounds_label{
    max-width: 470px;
  }

  input.game_link{
    font-size: 1rem;
  }
  
  #container_wrapper{
    max-width: 529px;
    padding: 1em 5px;
  }

  .chess_board {
  border: 4px solid lighten($dark-purple, 10%);
  width: 456px;
  height: 456px;
  
  tr {
    width: 456px;
    height: 57px;

    td {
      width: 57px;
      height: 57px;
      line-height: 57px;

      a {
        width: 57px;
        height: 57px;
        font-size: 3.5rem;
      }
    }
  }
}
}