@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,700;1,400;1,700&display=swap");

:root {
  --font-open-sans: "open sans", "sans-serif";
}

:root {
  --color-black-semi-translucent: hsl(0, 0%, 0%, 50%);
  --color-blue-dark: hsl(200, 100%, 40%);
  --color-blue: hsl(200, 100%, 50%);
  --color-gray: hsl(0, 0%, 80%);
  --color-yellow: hsl(50, 100%, 50%);
}

:root {
  --border-black-thick: 0.25vmin solid black;
  --border-black-thin: 1px solid black;
  --border-radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-open-sans);
  margin: 0;
}

.game-board {
  --grid-size: 21;
  --grid-template: repeat(var(--grid-size), 1fr);
  --size: 100vmin;

  background: var(--color-gray);
  display: grid;
  grid-template-columns: var(--grid-template);
  grid-template-rows: var(--grid-template);
  height: var(--size);
  width: var(--size);
}

.container {
  display: flex;
  gap: 2rem;
}

.side-menu {
  width: min(90%, 400px);
}

.scoreboard {
  margin-top: 3rem;
}

.scoreboard * {
  margin: 0;
}

.game-over-window,
.game-over-window-background,
.game-over-window-foreground {
  position: absolute;
}

.game-over-window,
.game-over-window-background {
  --size: 100%;

  height: var(--size);
  width: var(--size);
}

.game-over-window[data-is-open="false"] {
  display: none;
}

.game-over-window-foreground {
  background: white;
  border-radius: var(--border-radius);
  left: 50%;
  overflow: hidden;
  top: 50%;
  translate: -50% -50%;
  width: min(90%, 900px);
}

.game-over-window-background {
  background: var(--color-black-semi-translucent);
}

.game-over-window-title,
.game-over-window-body {
  text-align: center;
}

.game-over-window-title {
  border-bottom: var(--border-black-thin);
  font-weight: bold;
  padding: 0.5rem 0;
  width: 100%;
}

.game-over-window-body {
  padding: 1rem 0;
}

.game-over-window-button {
  background: var(--color-blue);
  border: none;
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: bold;
  padding: 0.5rem;
  transition: background 200ms;
  width: 100%;
}

.game-over-window-button:hover {
  background: var(--color-blue-dark);
}

.snake,
.food {
  border: var(--border-black-thick);
}

.snake {
  background: var(--color-blue);
}

.food {
  background: var(--color-yellow);
}