style.css

/*************************************/
/*      Proyecto:   TC34 - 2048      */
/* Realizado por:   ALAN TRAWCZYNSKI */
/*************************************/

@import url("https://fonts.googleapis.com/css2?family=DM+Sans&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Lato:wght@400;700&display=swap");

/* ----------------------------------------------------------------------- */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* outline: 1px solid red; */
}

:root {
  --color-background: hsl(0, 0%, 0%);
  --color-message: hsla(0, 0%, 0%, 0.8);
  --color-square-0: hsla(0, 0%, 100%, 0.1);

  --color-font: hsl(0, 0%, 60%);
  --color-font-square: var(--color-background);

  --font: "Lato", sans-serif;
  --font-board: "DM Sans", sans-serif;

  --header-border-color: var(--color-square-0);
}

/* ----------------------------------------------------------------------- */

body {
  display: flex;
  flex-direction: column;

  height: 100vh;

  font-family: var(--font);
  background-color: var(--color-background);
  color: var(--color-font);
}

header {
  display: none;
  padding: 1rem 0;
  text-align: center;
  border-bottom: 3px solid var(--header-border-color);
}

.header__author {
  font-weight: bold;
}

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

  padding: 1rem 0;
  gap: 3vh;
  flex-grow: 1;
}

/* ----------------------------------------------------------------------- */
/* Score */

.content__score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.score__title {
  opacity: 0.7;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.score__value {
  font-size: 1.5rem;
  font-weight: bold;
}

/* ----------------------------------------------------------------------- */
/* Board & squares */

.content__board-container {
  position: relative;
  font-family: var(--font-board);
}

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

  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  border-radius: 5px;
  font-size: max(4.5rem, min(18vw, 18vh));
  text-align: center;
  background-color: var(--color-message);

  opacity: 0;
  visibility: hidden;
}
.board-container__message--visible {
  visibility: visible;
  opacity: 1;
  transition: opacity 1.5s 0.5s;
}

.board-container__board {
  display: grid;
  /* grid-template set by js */
  height: max(250px, min(60vw, 60vh));
  width: max(250px, min(60vw, 60vh));

  /* gap set by js */
  padding: 1rem;
  font-weight: bold;
  color: var(--color-font-square);
}

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

  /* font-size set by js */
  border-radius: 5px;
  cursor: default;
}

.square--0 {
  background-color: var(--color-square-0);
}

.square--new {
  animation: show-new-square 0.5s ease backwards;
}
@keyframes show-new-square {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

/* ----------------------------------------------------------------------- */
/* Control */

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

  gap: 6vw;
}

.control__slider-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.slider-container__label-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.label-container__title {
  opacity: 0.7;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.label-container__value {
  font-size: 1.3rem;
  font-weight: bold;
}

.control__new-game {
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 5px;
  font-size: 1.5rem;
  font-family: var(--font);
  border: 2px solid var(--color-font);

  color: var(--color-font);
  background-color: var(--color-background);
  transition-property: background-color, color;
  transition-duration: 0.5s;
}
.control__new-game:hover {
  background-color: var(--color-font);
  color: var(--color-background);
}