:root {
  --glass-magnifier-color: #19c3fa;
  --glass-magnifier-color-darker: #044362;
  --glass-magnifier-bg-color: #4e96b9;
  --glass-magnifier-color-border: #c5dcd4;
}

.search-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 0 auto;
  max-width: 75rem;
}

.search-bar input,
.search-btn,
.search-btn:before,
.search-btn:after {
  transition: all 0.25s ease-out;
}
.search-bar input,
.search-btn {
  width: 2.5em;
  height: 2.5em;
}
.search-bar input:invalid:not(:focus),
.search-btn {
  cursor: pointer;
}
.search-bar,
.search-bar input:focus,
.search-bar input:valid {
  width: 100%;
}
.search-bar input:focus,
.search-bar input:not(:focus) + .search-btn:focus {
  outline: transparent;
}

.search-bar input {
  color: var(--first-dark-color);
  background: transparent;
  border-radius: 1.5em;
  box-shadow: 0 0 0 0.4em #ddd inset;
  padding: 0.75em;
  transform: translate(0.5em, 0.5em) scale(0.5);
  transform-origin: 100% 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.search-bar input::-webkit-search-decoration {
  -webkit-appearance: none;
}
.search-bar input:focus,
.search-bar input:valid {
  background: #fff;
  border-radius: 0.375em 0 0 0.375em;
  box-shadow: 0 0 0 0.1em #ddd inset;
  transform: scale(1);
}
.search-btn {
  background: var(--glass-magnifier-color-border);
  border-radius: 0 0.75em 0.75em 0 / 0 1.5em 1.5em 0;
  padding: 0.75em;
  position: relative;
  transform: translate(0.25em, 0.25em) rotate(45deg) scale(0.25, 0.125);
  transform-origin: 0 50%;
}
.search-btn:before,
.search-btn:after {
  content: '';
  display: block;
  opacity: 0;
  position: absolute;
}
.search-btn:before {
  border-radius: 50%;
  box-shadow: 0 0 0 0.2em #f1f1f1 inset;
  top: 0.4em;
  left: 0.4em;
  width: 1.3em;
  height: 1.3em;
}
.search-btn:after {
  background: #f1f1f1;
  border-radius: 0 0.25em 0.25em 0;
  top: 51%;
  left: 51%;
  width: 0.75em;
  height: 0.25em;
  transform: translate(0.2em, 0) rotate(45deg);
  transform-origin: 0 50%;
}
.search-btn span {
  display: inline-block;
  overflow: hidden;
  width: 1px;
  height: 1px;
}

/* Active state */
.search-bar input:focus + .search-btn,
.search-bar input:valid + .search-btn {
  background: var(--glass-magnifier-color-darker);
  transform: scale(1);
}
.search-bar input:focus + .search-btn:before,
.search-bar input:focus + .search-btn:after,
.search-bar input:valid + .search-btn:before,
.search-bar input:valid + .search-btn:after {
  opacity: 1;
}
.search-bar input:focus + .search-btn:hover,
.search-bar input:valid + .search-btn:hover,
.search-bar input:valid:not(:focus) + .search-btn:focus {
  background: var(--glass-magnifier-bg-color);
}
.search-bar input:focus + .search-btn:active,
.search-bar input:valid + .search-btn:active {
  transform: translateY(1px);
}

/* @media screen and (prefers-color-scheme: light) {
  .top-bar,
  input {
    color: #f1f1f1;
  }
  .top-bar {
    background: #171717;
  }
  .search-bar input {
    box-shadow: 0 0 0 0.4em #f1f1f1 inset;
  }
  .search-bar input:focus,
  .search-bar input:valid {
    background: #3d3d3d;
    box-shadow: 0 0 0 0.1em #3d3d3d inset;
  }
  .search-btn {
    background: #f1f1f1;
  }
} */