:root {
  --background-color: rgba(255 255 255 / 0.2);
  --border-radius: 0.5rem;

  --shadow-color: rgba(0 0 0 / 0.5);
  --box-shadow: 0 0.125rem 1rem -0.5rem var(--shadow-color);
  --text-shadow: 1px 1px 0.125rem var(--shadow-color);

  --spacing: 0.75rem;
  --spacing-2x: 1.5rem;
  --spacing-4x: 3rem;
}

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

html {
  background-color: #fff8e7;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  letter-spacing: 0.0625ch;
}

body {
  align-items: center;
  background: linear-gradient(to top right, #4bc0c8, #c779d0, #feac5e);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  display: flex;
  flex-direction: column;
  inset: var(--spacing);
  justify-content: space-between;
  padding: var(--spacing);
  position: absolute;

  @media (height > 24rem) and (width > 32rem) {
    inset: var(--spacing-2x);
    padding: var(--spacing-2x);
  }
}

main {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: var(--spacing);
  justify-content: center;
}

kbd {
  background-color: var(--background-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  color: #fff;
  display: block;
  font-family: monospace;
  overflow-wrap: break-word;
  padding-block: var(--spacing);
  padding-inline: var(--spacing-2x);
  text-shadow: var(--text-shadow);

  @media (height > 24rem) and (width > 32rem) {
    font-size: 1.25rem;
    padding-block: 1rem;
  }
}

footer {
  align-items: center;
  display: flex;
  gap: 1rem;

  a {
    background-color: var(--background-color);
    border-radius: 9999rem;
    box-shadow: var(--box-shadow);
    color: #fff;
    display: block;
    font-size: 0.85rem;
    outline: 0.125rem solid transparent;
    padding-block: 0.5rem;
    padding-inline: var(--spacing-2x);
    text-decoration: none;
    text-shadow: var(--text-shadow);
    transition: outline-color 0.25s linear;

    &:is(:focus, :hover) {
      outline-color: rgba(from var(--background-color) r g b / 0.75);
    }
  }

  a:has(img) {
    padding: 0.125rem;
    ;
  }

  img {
    border-radius: 50%;
    display: block;
    width: 2.125rem;
  }
}