:root {
  --colgap: 0px;
  --rowgap: 0px;
  --imgradius: 0px;
  --imgborder: 0px;
  --opacity: 1;
  --halfwhite: rgba(255, 255, 255, 0.5);
  --halfblack: rgba(0, 0, 0, 0.5);
}
body {
  margin: 0;
  background-color: black;
  color: white;
  display: flex;
  overflow-y: scroll;
}
#hint {
  position: fixed;
  height: 100%;
  width: 100%;
  display: grid;
  place-items: center;
  font-size: xx-large;
}
#cursorplace {
  position: fixed;
  height: 100%;
  width: 1px;
  z-index: 1;
}
#indicator {
  position: fixed;
  top: 0;
  right: 17px;
  width: 50px;
  height: 50px;
  place-items: center;
  pointer-events: none;
  background-color: var(--halfblack);
  border-radius: 50%;
  font-size: large;
  animation: scrollmove linear;
  animation-timeline: scroll();
  display: none;
}
#indicator.show {
  display: grid;
}
@keyframes scrollmove {
  from {
    top: 0;
  }
  to {
    top: calc(100vh - 50px);
  }
}
#imgbox {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  line-height: 0;
  column-gap: var(--colgap);
}
.colflex {
  align-items: flex-start;
}
.rowflex::after {
  content: "";
  flex-grow: 114514;
}
.rowflex {
  row-gap: var(--rowgap);
}
.imgcol {
  flex: 1;
  display: flex;
  flex-direction: column;
  row-gap: var(--rowgap);
}
.wrap {
  position: relative;
  cursor: pointer;
}
.wrap > img {
  width: 100%;
  height: auto;
  box-sizing: border-box;
  border: solid white;
  border-radius: var(--imgradius);
  border-width: var(--imgborder);
}
img {
  user-select: none;
}
#rep{
  visibility: hidden;
}
.wrap:hover > .info {
  visibility: visible;
}
.info {
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: center;
  line-height: normal;
  border-radius: 10px;
  background-color: var(--halfblack);
  visibility: hidden;
}
.info > span {
  cursor: text;
  word-break: break-all;
}
#cover {
  position: fixed;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  outline: none;
  background-color: var(--halfblack);
  display: none;
}
#cover.show {
  display: block;
}
.zoom {
  position: fixed;
}
#previmg,
#nextimg {
  top: 50%;
  opacity: 0.5;
}
#previmg {
  left: 1%;
}
#nextimg {
  right: 1%;
}
#previmg:hover,
#nextimg:hover {
  opacity: 1;
}
.floatbtn {
  position: fixed;
  z-index: 1;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  outline: none;
  border: medium solid white;
  border-radius: 50%;
  background-color: var(--halfblack);
  color: white;
  font-size: xx-large;
  cursor: pointer;
}
#sidebtn {
  top: 20px;
  left: 20px;
  opacity: var(--opacity);
}
#sidebtn:hover {
  opacity: 1;
}
#treebtn {
  top: calc(50% - 35px);
  left: -30px;
  height: 70px;
  display: flex;
  justify-content: end;
  opacity: var(--opacity);
}
#treebtn:hover {
  opacity: 1;
}
.scrollbtn {
  position: fixed;
  z-index: 1;
  width: 40px;
  height: 40px;
  outline: none;
  border: medium solid white;
  background-color: var(--halfblack);
  opacity: var(--opacity);
  user-select: none;
  cursor: pointer;
}
.scrollbtn:hover {
  opacity: 1;
}
#totop {
  bottom: 78px;
  right: 40px;
  border-radius: 10px 10px 0 0;
}
#toend {
  bottom: 40px;
  right: 40px;
  border-radius: 0 0 10px 10px;
}
#sidebar {
  position: fixed;
  left: -400px;
  display: grid;
  align-items: center;
  grid-auto-rows: 40px;
  grid-template-columns: repeat(6, 50px);
  column-gap: 10px;
  border-radius: 20px;
  padding: 20px;
  background-color: var(--halfblack);
  white-space: nowrap;
  z-index: 1;
}
#sidebar.show {
  left: 0;
}
#sidebar > button {
  justify-self: center;
  outline: none;
  padding: 5px 10px 5px 10px;
  border: medium solid var(--halfwhite);
  border-radius: 50px;
  background-color: var(--halfblack);
  cursor: pointer;
}
#sidebar > button:hover {
  border-color: white;
}
#sidebar > button:active {
  background: var(--halfwhite);
}
#sidebar > button.active {
  background: var(--halfwhite);
}
#treebar {
  position: fixed;
  z-index: 2;
  background-color: var(--halfblack);
  display: none;
}
#treebar.show {
  display: block;
}
#resizebar {
  min-width: 200px;
  max-width: 50vw;
  resize: horizontal;
  overflow: scroll;
  opacity: 0.5;
}
#resizebar::-webkit-scrollbar {
  width: 20px;
  height: 100vh;
}
#resizebar::-webkit-resizer {
  background-color: white;
}
#dirtree {
  position: absolute;
  width: calc(100% - 25px);
  height: 100vh;
  direction: rtl;
  overflow-y: scroll;
  line-height: 1;
  padding-right: calc(50vw - 100%);
}
#dirtree > ul {
  margin: 0;
}
ul {
  direction: ltr;
  margin: 0 0 0 10px;
  padding: 0;
  border-left: medium solid var(--halfwhite);
}
li {
  position: relative;
  z-index: 1;
  min-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  list-style: "📁" inside;
  padding-bottom: 2px;
  border-radius: 25px;
  border: medium solid transparent;
  cursor: pointer;
}
li:hover {
  width: fit-content;
  border-color: white;
  background-color: var(--halfblack);
}
li.active {
  background-color: var(--halfwhite);
}
li.visited {
  opacity: 0.75;
}
select {
  justify-self: center;
  padding: 5px;
  outline: none;
  text-align: center;
  font-size: medium;
  cursor: pointer;
  border-radius: 50px;
  background-color: var(--halfblack);
  border: medium solid var(--halfwhite);
}
select:hover {
  border-color: white;
}
[type="text"] {
  justify-self: center;
  box-sizing: border-box;
  width: 100%;
  padding: 5px;
  outline: none;
  text-align: center;
  font-size: medium;
  border-radius: 50px;
  border: medium solid var(--halfwhite);
  background-color: var(--halfblack);
}
[type="text"]:hover {
  border-color: white;
}
[type="range"] {
  appearance: none;
  width: 2 00px;
  height: 10px;
  border-radius: 10px;
  border: medium solid white;
  background-color: var(--halfblack);
  opacity: 0.5;
}
[type="range"]:hover {
  opacity: 1;
}
::-webkit-slider-thumb {
  appearance: none;
  width: 30px;
  height: 30px;
  cursor: pointer;
  border-radius: 50%;
  border: medium solid white;
  background-color: var(--halfblack);
  opacity: 0.5;
}
::-webkit-slider-thumb:hover {
  opacity: 1;
}
.span2 {
  grid-column: span 2;
}
.span3 {
  grid-column: span 3;
}
.span4 {
  grid-column: span 4;
}
.tootip {
  display: none;
}
.tip:hover .tootip {
  display: block;
  position: absolute;
  background-color: black;
  padding: 10px;
  border-radius: 10px;
}
::selection {
  background-color: white;
  color: black;
}