*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "League Spartan", sans-serif;
}

:root {
  --dk-violet: hsl(268, 75%, 9%);
  --lt-violet: hsl(268, 47%, 21%);
  --lt-violet2: hsl(281, 89%, 26%);
  --vb-violet: hsl(285, 91%, 52%);
  --vb-violet2: hsl(290, 70%, 36%);

  --vb-yellow: hsl(52, 100%, 62%);

  --pl-white: hsl(0, 0%, 100%);

  --vb-cyan: hsl(176, 100%, 44%);
  --vb-cyan2: hsl(177, 92%, 70%);
  --dk-text: hsl(198, 20%, 13%);
}

body {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to top right, #40076e, #501d72, #833ab4);
}

.container {
  width: 90%;
  max-width: 450px;
}

h1 {
  color: var(--pl-white);
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  line-height: 1.2;
}

.display-container {
  position: relative;
  background-color: var(--dk-violet);
  border-radius: 1rem;
  border-bottom: 0.35rem solid var(--lt-violet2);
  margin: 1rem 0;
  padding-top: 0.35rem;
}
.display {
  width: 100%;
  background-color: transparent;
  padding: 1.15rem 1rem;
  color: var(--vb-yellow);
  font-weight: 600px;
  font-size: 1.5rem;
  line-height: 30px;
  letter-spacing: 1px;
  padding-right: 3.25rem;
  border: none;
  outline: none;
}

.display::placeholder {
  position: absolute;
  color: var(--vb-yellow);
  top: 50%;
  left: 1.5rem;
  font-size: 1.5rem;
  line-height: 30px;
  opacity: 0.65;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.display-container button {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  background: transparent;
  border: none;
}

.input-container {
  width: 100%;
  background-color: var(--dk-violet);
  border-radius: 1rem;
  padding: 2rem;
}

.length-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.length-container p:nth-child(1) {
  color: var(--pl-white);
  font-size: 1.5rem;
}
.length-container p:nth-child(2) {
  color: var(--vb-yellow);
  font-size: 1.5rem;
}

.strength-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.75rem;
  margin-bottom: 2rem;
}

.strength-container p {
  color: var(--pl-white);
  font-size: 1.5rem;
}

.strength-container div {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  box-shadow: 10px #ccc;
}

.generateButton {
  width: 100%;
  padding: 1rem 0;
  background-color: var(--vb-violet);
  text-align: center;
  border-radius: 0.75rem;
  border-bottom: 0.35rem solid var(--vb-yellow);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--vb-yellow);
  font-weight: 600;
  font-size: 1.25rem;
  transition: border-bottom 1s, transform 0.2s;
}
.generateButton:active {
  border-bottom: none;
  transform: translateY(2px);
}

.check {
  display: flex;
  align-items: center;
  margin: 1rem 0;
  gap: 0 1rem;
}

.check input {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 1px solid var(--vb-cyan);
  cursor: pointer;
  position: relative;
  border-radius: 0.35rem;
}

.check input:checked {
  background-color: var(--vb-cyan);
}

.check input:checked::before {
  content: "✔";
  position: absolute;
  color: var(--dk-text);
  font-size: 1.05rem;
  font-weight: 600px;
  left: 50%;
  top: -3.5px;
  transform: translateX(-50%) translateY(-5%);
}

.check label {
  color: var(--pl-white);
  font-size: 1.25rem;
  letter-spacing: 0.75px;
}

.slider {
  appearance: none;
  width: 100%;
  height: 0.75rem;
  cursor: pointer;
  background-color: var(--lt-violet);
  border-radius: 1rem;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  background-image: linear-gradient(var(--vb-violet), var(--vb-violet));
  border: none;
  outline: none;
}

.slider::-webkit-slider-thumb {
  appearance: none;
  position: relative;
  height: 2rem;
  width: 2rem;
  border-radius: 50%;
  background-color: var(--vb-yellow);
  cursor: pointer;
  box-shadow: 0px 0px 20px 0px rgba(255, 229, 61, 0.5);
  transition: all 100ms ease-in;
}

.slider:focus {
  outline: 3px solid var(--vb-yellow);
}

.slider::-webkit-slider-thumb:hover {
  outline: 2px solid var(--vb-yellow);
  background-color: var(--dk-violet);
  box-shadow: 0px 0px 25px 5px rgba(255, 229, 61, 0.8);
}