@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
* {
  font-family: "Poppins", sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  --bg: #2f323f;
}
body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg);
}
.navigation {
  position: fixed;
  inset: 40px 0 40px 20px;
  background: #fff;
  width: 75px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.5s;
}
.navigation.active {
  width: 250px;
}

.menuToggle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  padding: 0 23px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  cursor: pointer;
}

.menuToggle::before {
  content: "";
  position: absolute;
  width: 30px;
  height: 2px;
  background: #333;
  transform: translateY(-8px);
  transition: 0.5s;
}
.navigation.active .menuToggle::before {
  transform: translateY(0) rotate(45deg);
}

.menuToggle::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 2px;
  background: #333;
  transform: translateY(8px);
  box-shadow: 0 -8px 0 #333;
  transition: 0.5s;
}
.navigation.active .menuToggle::after {
  transform: translateY(0) rotate(-45deg);
  box-shadow: 0 0 0 #333;
}

.navigation ul {
  display: flex;
  flex-direction: column;
  width: 100%;
}
.navigation ul li {
  list-style: none;
  position: relative;
  width: 100%;
  height: 76px;
  border-radius: 12px;
  border: 8px solid transparent;
  transition: 0.5s;
}
.navigation ul li.active {
  transform: translateX(30px);
  background: var(--bg);
}

.navigation ul li::before {
  content: "";
  position: absolute;
  top: -28px;
  right: 22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-bottom-right-radius: 20px;
  box-shadow: 6px 5px 0 5px var(--bg);
  transform: scale(0);
  transform-origin: bottom right;
  transition: 0.5s;
}
.navigation ul li.active::before {
  right: 22px;
  transform: scale(1);
}
.navigation ul li::after {
  content: "";
  position: absolute;
  bottom: -28px;
  right: -10px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-right-radius: 20px;
  box-shadow: 6px -3px 0 3px var(--bg);
  transform: scale(0);
  transform-origin: bottom right;
  transition: 0.5s;
}
.navigation ul li.active::after {
  right: 22px;
  transform: scale(1);
}

.navigation ul li a {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  text-align: center;
  text-decoration: none;
  z-index: 1000;
}

.navigation ul li a .icon {
  position: relative;
  display: block;
  min-width: 60px;
  height: 60px;
  border-radius: 10px;
  font-size: 1.75rem;
  line-height: 60px;
  border: 6px solid transparent;
}

.navigation ul li.active a .icon {
  color: #fff;
  background: var(--clr);
}

.navigation ul li a .icon::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--clr);
  filter: blur(8px);
  opacity: 0;
  transition: 0.5s;
}

.navigation ul li.active a .icon::before {
  opacity: 0.5;
}

.navigation ul li a .icon::after{
  content:'';
  position: absolute;
  top: 10px;
  left: -60px;
  width: 15px;
  height: 15px;
  background: var(--clr);
  border: 8px solid var(--bg);
  border-radius: 50%;
}
.navigation ul li a .text{
  position: relative;
  padding: 0 15px;
  color: #333;
  display: flex;
  align-items: center;
  height: 60px;
  opacity: 0;
  visibility: hidden;
  transition: .5s;
}

.navigation.active ul li a .text
{
  visibility: visible;
  opacity: 1;
}

.navigation ul li.active a .text{
  color: #fff;
}
.navigation ul li a .icon{
  color: #333;
}