:root {
  --text-color: #414141;
  --border-color: #dcdcdc;
}

* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  color: var(--text-color);
  margin: 0;
}

.header {
  background-color: var(--text-color);
  color: white;
  padding: 1rem;
  text-align: center;
}

.main-container {
  max-width: 50rem;
  margin: 20px auto;
  text-align: center;
}

.tag-form {
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.game-over {
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.input {
  height: 2rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.submit {
  height: 2rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  background-color: lightgray;
  cursor: pointer;
}

.meter {
  margin-left: 1rem;
  width: 70%;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.tag-item {
  background-color: var(--border-color);
  padding: 0.1rem 0.2rem;
  border-radius: 0.2rem;
  font-family: monospace;
  color: var(--text-color);
  text-decoration: none;
}

.tag-item:hover {
  text-decoration: underline;
}

.hidden {
  display: none;
}

.link {
  /* reset button style */
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;

  color: #3a4145;
  transition: color ease 0.3s;
  text-decoration: underline;
}

.link:hover,
.link:focus {
  color: #57a3e8;
}