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

html {
  font-size: 62.5%;
}

body {
  color: #eee;
  background-color: #222;
  font-family:'Times New Roman', Times, serif;
}

/*---------- header ----------*/

header {
  position: relative;
  height: 32vh;
  border-bottom: 7px solid #eee;
  text-align: center;
}

h1 {
  font-size: 4rem;
  margin-top: 2rem;
}

.between {
  font-size: 2rem;
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.number {
  background: #eee;
  color: #333;
  font-size: 6rem;
  width: 15rem;
  padding: 3rem 0rem;
  text-align: center;
  border-radius: 2rem;
  margin: 4rem auto 0;
}

/*---------- main section ----------*/

main {
  height: 65vh;
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  margin-top: 6rem;
  gap: 2rem;
}

.left, .right{
  flex: 1;
  text-align: center;
}

.left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.right {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.guess {
  background: none;
  border: 4px solid #eee;
  border-radius: 1rem;
  font-family: inherit;
  color: inherit;
  font-size: 5rem;
  padding: 2rem;
  width: 24rem;
  text-align: center;
  margin-bottom: 3rem;
}

.btn {
  border: none;
  background-color: #eee;
  color: #222;
  font-size: 2.8rem;
  font-family: inherit;
  padding: 0.8rem;
  cursor: pointer;
  border-radius: 1rem;
}

.btn:hover {
  background-color: #ccc;
}

/*---------- text ----------*/

.message {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 3.5rem;
  min-height: 4rem;
  word-wrap: break-word;
}

.label-score {
  margin-top: 2rem;
  font-size: 2.5rem;
}

.label-highscore{
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.again {
  margin-top: 1rem;
}

/*---------- RESPONSIVE FIXES ----------*/

@media (max-width: 412px) {
  h1 {
    font-size: 3.4rem;
    margin-top: 0.5rem;
  }

  .between {
    font-size: 2rem;
  }

  header {
    height: 27vh;
    padding-bottom: 2rem;
    border: none;
  }

   main {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: auto;
    margin-top: 7rem;
    gap: 2rem;
  }

  .number{
    margin-top: 2.5rem;
  }

  .guess {
    width: 20rem;
    font-size: 3rem;
    margin-bottom: 1.5rem;
  }

  .message {
    min-height: 3rem;
    font-size: 2.8rem;
    margin: 0;
  }

  .again{
    margin-top: 0.1rem;
  }
}