:root {
  /* COLORS */
  --grey-950: #08070b;
  --grey-900: #14131b;
  --grey-850: #18171f;
  --grey-800: #24232c;
  --grey-700: #54535b;
  --grey-600: #817d92;
  --grey-200: #e6e5ea;

  --green-200: #a4ffaf;

  --yellow-300: #f8cd65;

  --orange-400: #fb7c58;

  --red-500: #f64a4a;

  --gradient-1: linear-gradient(to right, #14131b, #08070b);

  /* TEXT PRESETS */
  --text-preset-1: bold 2rem/2.625rem "JetBrains Mono", monospace;
  --text-preset-2: bold 1.5rem/2rem "JetBrains Mono", monospace;
  --text-preset-3: bold 1.125rem/1.5rem "JetBrains Mono", monospace;
  --text-preset-4: bold 1rem/1.25rem "JetBrains Mono", monospace;
}

/* GLOBAL */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  font-family: "JetBrains Mono";
  color: white;
  background: var(--gradient-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: clamp(1rem, 5vw, 6rem);
}
main {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 600px;
  gap: 1rem;
}

h1 {
  font: var(--text-preset-4);
  font-size: clamp(1rem, 5vw, 1.5rem);
  color: var(--grey-600);
  margin-block-end: 1rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* PASSWORD DISPLAY */
.password-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
  padding-inline: 16px;
  background-color: var(--grey-800);
}

.password-display__text {
  font: var(--text-preset-1);
  font-size: clamp(0.75rem, 5vw, 2rem);
  color: var(--grey-700);
}

.password-display__text--generated {
  color: white;
}

.password-display__copy {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.25rem;
}

.password-display__copy-btn {
  background-color: var(--grey-800);
  border: 0;
  transition: 0.2s ease-in-out;
  color: var(--green-200);
}
.password-display__copy-btn:hover {
  color: white;
  cursor: pointer;
}

.password-display__copied {
  display: none;
  font: var(--text-preset-3);
  font-size: clamp(0.375rem, 5vw, 1rem);
  color: var(--green-200);
}

/* GENERATOR */
.generator {
  display: flex;
  flex-direction: column;
  background-color: var(--grey-800);
  padding: clamp(1rem, 5vw, 2rem);
}

/* GENERATOR - SLIDER */
.generator__slider {
  display: flex;
  flex-direction: column;
  margin-block-end: 2rem;
  gap: 0.5rem;
}

.generator__slider-header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 1rem;
}

.generator__slider-label {
  font: var(--text-preset-4);
  color: var(--grey-200);
}

.generator__slider-meter {
  appearance: none;
  height: 0.5rem;

  background: linear-gradient(
    to right,
    var(--green-200) var(--fill-percent, 0%),
    var(--grey-850) var(--fill-percent, 0%)
  );
}

.generator__slider-meter::-webkit-slider-thumb {
  appearance: none;
  width: 1.75rem;
  height: 1.75rem;
  background: #e2e2e2;
  border-radius: 50%;
}

.generator__slider-output {
  font: var(--text-preset-1);
  color: var(--green-200);
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-inline-end: 1rem;
  line-height: 1;
}

/* GENERATOR - CHECKBOXES */
.generator__checkboxes-all {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-block-end: 2rem;
}

.generator__checkbox-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.generator__checkbox-label {
  font: var(--text-preset-4);
}

.generator__checkbox {
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 0.125rem solid white;
  transition: 0.1s ease-in-out;
  cursor: pointer;
}

.generator__checkbox:checked {
  border: 0.125rem solid var(--green-200);
  background-color: var(--green-200);
  background-image: url("assets/images/icon-check.svg");
  background-repeat: no-repeat;
  background-position: center;
}
.generator__checkbox:hover {
  border: 0.125rem solid var(--green-200);
}
/* STRENGTH METER */

.strength-meter__indication {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.strength-meter {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  background-color: var(--grey-850);
  padding: 0.875rem 1rem; /* horizontal vertical*/
  margin-block-end: 1rem;
}

.strength-meter__text {
  font: var(--text-preset-4);
  color: var(--grey-600);
}

.strength-meter__level {
  font: var(--text-preset-1);
  font-size: clamp(1rem, 5vw, 1.5rem);
}
.strength-meter__boxes-all {
  display: flex;
  flex-direction: row;
  gap: 0.625rem;
}

.strength-meter__box {
  border: 0.125rem solid white;
  width: 0.75rem;
  height: 2rem;
  background-color: transparent;
}

/* BUTTON */
.generator__btn {
  background-color: var(--green-200);
  font: var(--text-preset-4);
  padding-block-end: 1rem;
  padding-block-start: 1rem;
  color: var(--grey-800);
  transition: 0.2s ease-in-out;
  border: 0.125rem solid transparent;
}

.generator__btn:hover {
  background-color: var(--grey-800);
  border: 0.125rem solid var(--green-200);
  color: var(--green-200);
  cursor: pointer;
}

@media (min-width: 48rem) {
  .password-display {
    padding-inline-start: 2rem;
    padding-inline-end: 2rem;
  }
  .password-display__copy {
    gap: 1rem;
  }
}