/* +--------------------+ */
/* |   General styles   | */
/* +--------------------+ */

:root {
  --background-primary: #37383d;
  --background-secondary: #495057;
  --background-tertiary: #868e96;
  --color-primary: #4bbb7d;
  --color-secondary: #0ca678;
  --color-tertiary: #087f5b;
  --text-color: #eee;
  --caret-color: #fcc419;
  --error-color: #fd424b;
  --correct-color: #087f5b;
}

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

html {
  font-size: 62.5%;
}

body {
  font: 400 1.6rem/1 "Poppins", sans-serif;
}

.hidden {
  opacity: 0;
  pointer-events: 0;
  visibility: hidden;
  position: absolute;
}

button {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: none;
}

/* +------------+ */
/* |   Header   | */
/* +------------+ */

.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: 9.6rem;
  padding: 2rem 9.6rem;

  background: var(--background-primary);
  color: var(--text-color);
}

.header-logo {
  font: 2rem/1 cursive;
}

/* +-----------------+ */
/* |   Header menu   | */
/* +-----------------+ */

.header-menu {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(3, 1fr);
  row-gap: 1rem;
  text-transform: lowercase;
}

.choices {
  z-index: 1;

  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.choices[data-mode="time"],
.choices[data-mode="words"],
.choices[data-mode="code"] {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.5s, transform 0.5s;
  transform: translateX(-30%);
  position: absolute;
}

.choices.active {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  grid-row: 3;
  transform: translateX(0);
  position: relative;
}

.choice {
  position: relative;
}

.choice:hover {
  cursor: pointer;
  text-decoration: underline;
}

.choice:not(.choice--active):active::after,
.choice--active::after {
  content: "";
  z-index: -1;

  transform: scale(1.07, 1.05) skewX(-15deg);

  position: absolute;
  bottom: 0;
  left: -2px;

  display: block;
  width: 100%;
  height: 100%;
  padding: 2px;
}

.choice:not(.choice--active):active::after {
  background: var(--background-secondary);
}

.choice--active {
  color: var(--background-primary);
  font-weight: 600;
}

.choice--active::after {
  background: var(--color-primary);
}

/* +-------------------+ */
/* |   Stats section   | */
/* +-------------------+ */

.section-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  justify-items: center;
  align-items: center;
  row-gap: 3rem;

  margin-bottom: 2.4rem;

  font-size: 3rem;
  font-weight: 200;
  text-transform: uppercase;
}

.section-stats span {
  font-size: 6.4rem;
  font-weight: 300;
}

.timer {
  grid-column: span 3;
}

/* +--------------------+ */
/* |   Typing section   | */
/* +--------------------+ */

.section-typing {
  background: #f8f9fa;
  padding-bottom: 4rem;
  margin-bottom: 3.2rem;
}

.typing-input-field {
  opacity: 0;
  position: absolute;
}

.typing-input-field ~ #caret {
  position: absolute;
  width: 0.4rem;
  height: 3rem;
  background: none;
  transition: all 0.1s linear; /* Enabled for smooth caret animation */
}

.typing-input-field:focus ~ #caret {
  background: var(--caret-color);
}

.words {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  gap: 1rem;

  padding: 4rem 16rem 0.5rem;
  max-height: 12rem;
  overflow: hidden;

  font-size: 3rem;
}

.word {
  display: flex;
}

.word--incorrect {
  border-bottom: 2px solid var(--error-color);
  margin-bottom: -2px;
}

.letter--correct {
  color: var(--correct-color);
}

.letter--incorrect {
  color: var(--error-color);
}

/* +--------------------+ */
/* |   Restart button   | */
/* +--------------------+ */

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

.btn {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 10rem;
  height: 5rem;

  background: var(--color-primary);
  border-radius: 100px;
}

.btn:hover {
  cursor: pointer;
  background: var(--color-secondary);
}

.btn:active {
  background: var(--color-tertiary);
}

.btn-icon {
  width: 3rem;
  height: 3rem;
}