html {
  font: 16px/28px sans-serif;
  background-color: #D4FFD5;
  color: #132e1a;
}
body {
  margin: 0;
  height: 100vh;
}
a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
img {
  -webkit-user-select: none !important;
}
.junrevel-box {
  max-height: 100vh;
  max-height: 100dvh;
  max-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
}
canvas {
  display: block;
  object-fit: contain;
  aspect-ratio: 1;
  max-width: 100vw;
  max-height: 100dvw;
  max-height: 100svw;
  max-height: 100vh;
  max-height: 100dvh;
  max-height: 100svh;
  margin: auto;
  background-color: #FFF;
}
svg {
  width: 1em;
  height: 1em;
  pointer-events: none;
  fill: none;
}
svg path {
  stroke-width: 1.5;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.set-level-shadow {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
}
.set-level-box {
  display: none;
  position: absolute;
  z-index: 1;
  background: #FFF;
  width: 200px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 3px 6px 0 rgba(0, 0, 0, 0.1);
  border: 4px solid #111;
  text-align: center;
  font-weight: bold;
  color: #111;
}
.set-level-box h2 {
  margin: 0;
  font-weight: normal;
  font-size: 30px;
  line-height: 40px;
  cursor: default;
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.set-level-box i {
  width: 36px;
  height: 36px;
  background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 36"%3E%3Cpath fill="none" stroke="%23000" stroke-width="3" stroke-linecap="round" d="M20.3,29.6c6.2-6.2,6.2-16.4,0-22.6M16.1,25.4c3.9-3.9,3.9-10.2,0-14.1M11.8,21.1c1.6-1.6,1.6-4.1,0-5.7"/%3E%3C/svg%3E');
  background-size: cover;
  position: absolute;
  right: 0;
  top: 0;
  cursor: pointer;
  margin: 11px 8px;
}
.set-level-box a {
  padding: 10px;
  font-size: 24px;
  line-height: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.set-level-box div {
  display: flex;
  flex-direction: column-reverse;
}
.ui-btn {
  display: inline-block;
  font-weight: bold;
  font-size: 24px;
  line-height: 50px;
  border-radius: 10px;
  padding: 0 15px;
  color: var(--btn-color2);
  box-shadow: 0 0 0 3px var(--btn-color2), 0 4px 0 3px var(--btn-color2);
  transition: all 0.1s ease;
  margin: 10px;
  user-select: none;
}
.ui-btn.current {
  background: var(--btn-color1);
  color: #D4FFD5;
}
.ui-btn:hover {
  box-shadow: 0 0 0 3px var(--btn-color3), 0 4px 0 3px var(--btn-color3);
}
.ui-btn:active {
  box-shadow: 0 0 0 3px var(--btn-color3), 0 1px 0 3px var(--btn-color3);
  transform: translateY(3px);
}
.ui-btn[data-active="false"] {
  opacity: 0.5;
  pointer-events: none;
}
.ctrl-box {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  --btn-color1: #2d6539;
  --btn-color2: #164c21;
  --btn-color3: #083111;
}
article {
  font-size: 16px;
  line-height: 22px;
  margin: 20px auto;
  padding: 12px 20px;
  text-align: center;
}
article h1 {
  line-height: 46px;
}
article p {
  padding: 4px 0;
}
article .tip-box {
  background: #e4f7e2;
  padding: 10px 15px;
  border-radius: 10px;
  margin: 6px 0;
  color: #132e1a;
}
h1,
p {
  margin: 0;
}
footer {
  text-align: center;
  font-size: 14px;
  line-height: 24px;
  padding: 20px 0 40px;
}
footer a {
  margin: 0 2px;
}
footer i {
  opacity: 0.3;
}
.output-shadow {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 10px;
  background: rgba(0, 0, 0, 0.8);
  overflow: auto;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}
.output-shadow[data-hidden="true"] {
  opacity: 0;
  pointer-events: none;
}
.output-box {
  border-radius: 6px;
  background: #D4FFD5;
  max-width: 480px;
  margin: 0 auto;
  padding: 10px 10px 00px;
  text-align: center;
}
.output-box img {
  display: block;
  width: 100%;
  box-shadow: 0 0 0 3px #164c21;
  border-radius: 2px;
}
.output-box .tip {
  padding: 16px 0;
}
.output-box p {
  padding: 4px 0;
  line-height: 20px;
}
.output-box .ctrl-box {
  padding: 0 0 6px;
}
.output-box .ctrl-box .ui-btn {
  margin: 0;
}
.level-rules {
  width: 280px;
  font-size: 14px;
  line-height: 32px;
  text-align: left;
  margin: 4px auto;
  border-radius: 4px;
  border: 2px solid #111;
  color: #111;
  overflow: hidden;
}
.level-rules .item {
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.level-rules .item[data-level="0"] {
  background: #FFF;
}
.level-rules .item[data-level="1"] {
  background: #8AF;
}
.level-rules .item[data-level="2"] {
  background: #AFB;
}
.level-rules .item[data-level="3"] {
  background: #FE7;
}
.level-rules .item[data-level="4"] {
  background: #FB7;
}
.level-rules .item[data-level="5"] {
  background: #F77;
}