main.scss

---

---
@charset "utf-8";

$text-color:       #414A5E;
$background-color: #EEEDEB;
$item-color:       #87A6B8;
$item-text-color:  #FFFFFF;

/* main organization */

html, body, main {
  width: 100%;
  margin: 0;
  background-color: $background-color;
  color: $text-color;
  font-family: Avenir, Montserrat, Corbel, 'URW Gothic', source-sans-pro, sans-serif;
  font-weight: normal;
  position: relative;
}
body::after {
  content: "";
  display: block;
  background-image: url(./game.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: bottom;
  width: 100%;
  height: 16rem;
}
footer {
  position: absolute;
  bottom: -16rem;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
}
li > a { 
  font-size: 1rem;
  line-height: 1;
  word-break: break-all;
}

/* title */

h1 > a {
  text-decoration: none;
  color: $text-color;
}

/* input bar */

div.input-bar {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: row;
  padding: 0 1rem;
}
input:focus { border-color: $background-color; }
.main-input {
  flex: 7;
  height: 1.5rem;
  padding: 0.5rem 0 0.5rem 0.5rem;
  border: 1px solid #bbb;
  border-right-width: 0;
  border-radius: 0.2rem 0 0 0.2rem;
  z-index: 2;
  position: relative;
}
.main-input ~ button[type="submit"] {
  flex: 1;
  padding: 0.5rem 1rem;
  border: 1px solid #bbb;
  border-radius: 0 0.2rem 0.2rem 0;
  cursor: pointer;
  background-color: $item-color;
  color: $item-text-color;
}

/* help popup */

.main-input ~ input[type="checkbox"]#help { display: none; }
.main-input ~ .help {
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  top: 0.5rem;
  bottom: 0.5rem;
  right: calc(18.75% + 0.5rem);
  z-index: 3;
  background-image: url(./help.svg);
  background-size: cover;
  border: none;
  background-color: white;
  cursor: help;
  opacity: 0.1;
  transition: opacity ease-in 0.1s;
}
.main-input ~ .help:hover,
.main-input ~ input[type="checkbox"]#help:checked ~ .help { opacity: 1; }
.main-input ~ .help ~ .help-popup {
  position: absolute;
  top: 150%;
  z-index: -1;
  width: calc(80% - 1rem);
  height: fit-contents;
  background-color: $item-color;
  color: $item-text-color;
  border-radius: 0.5rem;
  text-align: left;
  padding: 0.5rem;
  opacity: 0;
  transition: opacity ease-in 0.1s, z-index linear 0.5s;
}
.main-input ~ .help ~ .help-popup a {
  color: $item-text-color;
}
.main-input ~ .help:hover ~ .help-popup,
.main-input ~ input[type="checkbox"]#help:checked ~ .help-popup,
.main-input ~ .help-popup:hover { opacity: 1; z-index: 3 }
.main-input ~ .help ~ .help-popup:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  bottom: 95%;
  right: 0.75rem;
  border-left: 1rem solid transparent;
  border-right: 1rem solid transparent;
  border-bottom: 2rem solid $item-color;
  border-radius: 0.5rem;
}

/* popouts */

.input-popout::before {
  content: "";
  transform: scaleY(100%);
  width: 10rem;
  height: 1.6rem;
  text-align: left;
  padding-left: 0.2rem;
  background-color: $item-color;
  color: $item-text-color;
}
.input-popout {
  position: relative;
  align-self: start;
  padding-left: 1rem;
  transform: scaleY(0%);
}
.input-popout.majsoul:first-child,
.input-popout.tenhou:first-child,
.input-popout.riichicity:first-child { transform: scaleY(100%); }
.input-popout.majsoul:first-child::before { content: "Mahjong Soul"; }
.input-popout.tenhou:first-child::before  { content: "tenhou.net"; }
.input-popout.riichicity:first-child::before  { content: "Riichi City"; }
.input-popout:first-child { transform-origin: bottom; }
.input-popout:last-child { transform-origin: top; }
.input-popout::after {
  content: "";
  box-sizing: border-box;
  border: 0.2rem solid $item-color;
  border-radius: 0.2rem 0.2rem 0px 0px;
  background-color: $item-color;
  width: 2rem;
  height: 1.6rem;
  position: absolute;
  margin: 0;
  padding: 0;
  left: calc(100% - 1rem);
  z-index: -1;
}
.input-popout:first-child::after { transform: skewX(45deg); }
.input-popout:last-child::after { transform: skewX(-45deg); }

/* results */
.result, .statistics {
  margin-top: 2rem;
  text-align: left;
  padding: 0 1rem;
  & > ul { margin-top: 0.5rem; }
}
.result-header ~ hr { margin: 0; }
.result { font-size: 150%; }
.result > .result-header { font-size: 75%; } 
.statistics > .result-header { font-size: 100%; } 

.tile {
  display: inline-block;
  width: 0.75em;
  height: 1em;
  background: url('/tiles.png') no-repeat;
  background-size: auto 38em;
  vertical-align: sub;
  &.sideways {
    width: 1em;
  }
  &.sideways + .tile.sideways {
    width: 0;
  }
  &.sideways + .tile.sideways::before {
    display: inline-block;
    content: "";
    width: 1em;
    height: 1em;
    background: inherit;
    transform: translateX(-1em) translateY(-0.5em);
  }
}