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

body {
  overflow: hidden;
}

canvas {
  width: 100%;
  height: 100%;
}

.fish-ui {
  position: absolute;
  top: 10%;
  left: 0;
  min-width: 100px;
  width: 10vw;
  min-height: 200px;
  padding: 1rem 2rem;
  background: #0d0d0d;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: space-around;
  align-items: center;
  list-style: none;
  border-radius: 0 0 5px 0;
  color: white;
  transform: translateX(-100%);
  transition: 250ms ease-in;
}

.fish-ui.active {
  transform: translateX(0);
}

.fish-ui li {
  cursor: pointer;
  border: solid 2px transparent; 
}

.fish-ui li.selected {
  border: solid 2px white; 
  border-radius: 5px;
}

.fish-ui li img {
  padding: 10px;
  min-width: 100px;
  width: 5vw;
}

.fish-ui .toggler {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 25px;
  min-height: 25px;
  width: 2vw;
  height: 2vw;
  background: #0d0d0d;
  border: none;
  translate: 100% 0;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.fish-ui .toggler img {
  width: 1vw;
  height: 1vw;
  filter: invert(1);
  transition: 250ms ease-in;
}

.fish-ui .toggler img.active {
  transform: rotate(180deg);
}

.btns {
  position: absolute;
  bottom: 50px;
  right: 50px;
  display: flex;
  justify-content: stretch;
  align-items: center;
  gap: 10px;
}

.btns button {
  background: transparent;
  outline: none;
  border: none;
}

.btns button.disable {
  pointer-events: none;
  filter: grayscale(1);
}

.btns button img {
  min-width: 50px;
  min-height: 50px;
  width: 3vw;
  height: 3vw;
  cursor: pointer;
}

.btns button img.clicking {
  transform: translateY(5px);
}