* {
    margin: 0;
    padding: 0;
}

html {
    --background-color: #111;
    --grid-background-color: #222;

    --black-color: black;
    --white-color: white;
    --button-color: #00aaff;
    --button-hover-color:#0088cc;

    --product-color: #ffd755;
    --user-color: #c570de;
}


body {
  font-family: Arial, sans-serif;
  background: var(--background-color);
  color: var(--white-color);
  text-align: center;
  padding: 30px;
}

section {
    margin:1em 0;
}

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

ul li {
  list-style-type: none;
  display:inline;
}

button {
  font-size: 1em;
  padding: 8px 15px;
  margin: 1em .2em;
  border: none;
  border-radius: 8px;
  background: var(--button-color);
  color: var(--white-color);
  cursor: pointer;
}

button:hover {
  background: var(--button-hover-color);
}

#status {
  margin-top: 1em;
  font-size: 1.2em;
  padding: 10px;
  border-radius: 8px;
}

ul {
  text-align: left;
  display: inline-block;
  margin-top: 10px;
}

#grid {
  display: grid;
  grid-template-columns: repeat(6, auto);
  grid-template-rows: auto;
  gap: 5px;
  justify-content: center;
  margin-top: 20px;
}

.cell {
  width: 40px;
  height: 40px;
  background: var(--grid-background-color);
  border-radius: 5px;
}

.cell.product {
  background: var(--product-color);
}

.cell.player {
  background: var(--user-color);
}